./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 f4b24e32 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-?-f4b24e3 [2022-07-13 22:27:32,848 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 22:27:32,850 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 22:27:32,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 22:27:32,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 22:27:32,895 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 22:27:32,897 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 22:27:32,900 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 22:27:32,901 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 22:27:32,906 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 22:27:32,907 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 22:27:32,909 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 22:27:32,909 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 22:27:32,911 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 22:27:32,912 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 22:27:32,914 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 22:27:32,916 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 22:27:32,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 22:27:32,918 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 22:27:32,923 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 22:27:32,925 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 22:27:32,926 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 22:27:32,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 22:27:32,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 22:27:32,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 22:27:32,934 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 22:27:32,934 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 22:27:32,935 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 22:27:32,936 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 22:27:32,937 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 22:27:32,938 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 22:27:32,938 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 22:27:32,940 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 22:27:32,941 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 22:27:32,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 22:27:32,942 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 22:27:32,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 22:27:32,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 22:27:32,943 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 22:27:32,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 22:27:32,944 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 22:27:32,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 22:27:32,947 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-13 22:27:32,976 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 22:27:32,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 22:27:32,977 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 22:27:32,977 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 22:27:32,977 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 22:27:32,978 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 22:27:32,978 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 22:27:32,978 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 22:27:32,979 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 22:27:32,979 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 22:27:32,980 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 22:27:32,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 22:27:32,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 22:27:32,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 22:27:32,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 22:27:32,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 22:27:32,981 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 22:27:32,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 22:27:32,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 22:27:32,982 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 22:27:32,983 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 22:27:32,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 22:27:32,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 22:27:32,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 22:27:32,983 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 22:27:32,984 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 22:27:32,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 22:27:32,984 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 22:27:32,984 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 22:27:32,984 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 22:27:32,985 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c8151fb171c9b453710acc6c97ec40a00d3609946ad41877389a6ccf870db18 [2022-07-13 22:27:33,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 22:27:33,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 22:27:33,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 22:27:33,271 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 22:27:33,272 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 22:27:33,274 INFO L432 ainManager$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 [2022-07-13 22:27:33,329 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f4199155/dd4726e21aa348ab9e160b578f78ce58/FLAGbb0819ddb [2022-07-13 22:27:34,087 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 22:27:34,087 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_ignore_case_harness.i [2022-07-13 22:27:34,143 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f4199155/dd4726e21aa348ab9e160b578f78ce58/FLAGbb0819ddb [2022-07-13 22:27:34,327 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f4199155/dd4726e21aa348ab9e160b578f78ce58 [2022-07-13 22:27:34,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 22:27:34,331 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 22:27:34,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 22:27:34,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 22:27:34,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 22:27:34,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 10:27:34" (1/1) ... [2022-07-13 22:27:34,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11f8e1f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:27:34, skipping insertion in model container [2022-07-13 22:27:34,338 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 10:27:34" (1/1) ... [2022-07-13 22:27:34,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 22:27:34,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 22:27:34,764 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] [2022-07-13 22:27:34,772 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] [2022-07-13 22:27:35,606 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:27:35,610 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:27:35,611 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:27:35,612 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:27:35,613 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:27:35,622 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:27:35,622 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:27:35,623 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:27:35,626 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:27:35,895 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-13 22:27:35,896 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-13 22:27:35,897 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-13 22:27:35,898 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-13 22:27:35,899 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-13 22:27:35,900 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-13 22:27:35,900 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-13 22:27:35,901 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-13 22:27:35,901 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-13 22:27:35,902 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-13 22:27:36,033 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-13 22:27:36,136 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:27:36,137 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:27:36,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 22:27:36,241 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 22:27:36,257 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] [2022-07-13 22:27:36,257 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] [2022-07-13 22:27:36,307 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:27:36,315 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:27:36,318 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:27:36,320 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:27:36,320 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:27:36,328 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:27:36,331 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:27:36,332 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:27:36,333 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:27:36,383 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-13 22:27:36,385 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-13 22:27:36,385 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-13 22:27:36,386 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-13 22:27:36,387 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-13 22:27:36,388 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-13 22:27:36,389 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-13 22:27:36,389 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-13 22:27:36,390 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-13 22:27:36,390 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-13 22:27:36,424 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-13 22:27:36,516 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:27:36,518 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:27:36,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 22:27:36,761 INFO L208 MainTranslator]: Completed translation [2022-07-13 22:27:36,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:27:36 WrapperNode [2022-07-13 22:27:36,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 22:27:36,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 22:27:36,763 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 22:27:36,763 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 22:27:36,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:27:36" (1/1) ... [2022-07-13 22:27:36,885 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:27:36" (1/1) ... [2022-07-13 22:27:36,962 INFO L137 Inliner]: procedures = 691, calls = 2614, calls flagged for inlining = 59, calls inlined = 5, statements flattened = 789 [2022-07-13 22:27:36,963 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 22:27:36,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 22:27:36,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 22:27:36,964 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 22:27:36,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:27:36" (1/1) ... [2022-07-13 22:27:36,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:27:36" (1/1) ... [2022-07-13 22:27:36,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:27:36" (1/1) ... [2022-07-13 22:27:36,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:27:36" (1/1) ... [2022-07-13 22:27:37,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:27:36" (1/1) ... [2022-07-13 22:27:37,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:27:36" (1/1) ... [2022-07-13 22:27:37,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:27:36" (1/1) ... [2022-07-13 22:27:37,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 22:27:37,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 22:27:37,070 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 22:27:37,070 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 22:27:37,071 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:27:36" (1/1) ... [2022-07-13 22:27:37,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 22:27:37,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:27:37,102 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) [2022-07-13 22:27:37,123 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 [2022-07-13 22:27:37,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 22:27:37,149 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-07-13 22:27:37,149 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-07-13 22:27:37,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-13 22:27:37,150 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-07-13 22:27:37,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-07-13 22:27:37,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-13 22:27:37,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 22:27:37,151 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2022-07-13 22:27:37,151 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2022-07-13 22:27:37,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 22:27:37,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 22:27:37,152 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-07-13 22:27:37,153 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-07-13 22:27:37,153 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-07-13 22:27:37,153 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-07-13 22:27:37,153 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-07-13 22:27:37,153 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-07-13 22:27:37,154 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-13 22:27:37,154 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-13 22:27:37,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 22:27:37,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-13 22:27:37,154 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-07-13 22:27:37,155 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-07-13 22:27:37,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-13 22:27:37,155 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq_c_str_ignore_case [2022-07-13 22:27:37,156 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq_c_str_ignore_case [2022-07-13 22:27:37,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 22:27:37,414 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 22:27:37,417 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 22:27:38,352 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 22:27:38,358 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 22:27:38,359 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-13 22:27:38,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 10:27:38 BoogieIcfgContainer [2022-07-13 22:27:38,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 22:27:38,364 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 22:27:38,364 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 22:27:38,367 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 22:27:38,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 10:27:34" (1/3) ... [2022-07-13 22:27:38,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5969b649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 10:27:38, skipping insertion in model container [2022-07-13 22:27:38,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:27:36" (2/3) ... [2022-07-13 22:27:38,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5969b649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 10:27:38, skipping insertion in model container [2022-07-13 22:27:38,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 10:27:38" (3/3) ... [2022-07-13 22:27:38,370 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_eq_c_str_ignore_case_harness.i [2022-07-13 22:27:38,384 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 22:27:38,385 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 22:27:38,447 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 22:27:38,458 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@5832d1a5, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@25be3cba [2022-07-13 22:27:38,458 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 22:27:38,463 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) [2022-07-13 22:27:38,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-07-13 22:27:38,473 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:27:38,474 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] [2022-07-13 22:27:38,475 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:27:38,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:27:38,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1470812839, now seen corresponding path program 1 times [2022-07-13 22:27:38,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:27:38,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402146771] [2022-07-13 22:27:38,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:27:38,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:27:38,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:38,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:27:39,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:39,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:27:39,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:39,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:27:39,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:39,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:27:39,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:39,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-13 22:27:39,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:39,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-13 22:27:39,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:39,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-13 22:27:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:39,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 22:27:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:39,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-13 22:27:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:39,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:27:39,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:39,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 22:27:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:39,245 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-07-13 22:27:39,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:27:39,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402146771] [2022-07-13 22:27:39,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402146771] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:27:39,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 22:27:39,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 22:27:39,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174824954] [2022-07-13 22:27:39,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:27:39,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 22:27:39,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:27:39,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 22:27:39,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 22:27:39,286 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) [2022-07-13 22:27:39,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:27:39,569 INFO L93 Difference]: Finished difference Result 176 states and 247 transitions. [2022-07-13 22:27:39,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 22:27:39,571 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 [2022-07-13 22:27:39,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:27:39,583 INFO L225 Difference]: With dead ends: 176 [2022-07-13 22:27:39,583 INFO L226 Difference]: Without dead ends: 87 [2022-07-13 22:27:39,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-13 22:27:39,595 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 82 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 22:27:39,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 138 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-13 22:27:39,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2022-07-13 22:27:39,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 82. [2022-07-13 22:27:39,647 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) [2022-07-13 22:27:39,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 104 transitions. [2022-07-13 22:27:39,660 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 104 transitions. Word has length 68 [2022-07-13 22:27:39,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:27:39,660 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 104 transitions. [2022-07-13 22:27:39,661 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) [2022-07-13 22:27:39,661 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 104 transitions. [2022-07-13 22:27:39,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-07-13 22:27:39,667 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:27:39,668 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] [2022-07-13 22:27:39,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 22:27:39,669 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:27:39,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:27:39,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1466791209, now seen corresponding path program 1 times [2022-07-13 22:27:39,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:27:39,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083842863] [2022-07-13 22:27:39,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:27:39,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:27:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:39,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:27:39,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:39,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:27:39,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:39,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:27:39,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:39,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:27:39,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:39,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-13 22:27:39,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:39,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-13 22:27:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:39,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-13 22:27:39,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:39,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 22:27:39,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:39,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-13 22:27:39,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:39,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:27:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:39,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 22:27:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:39,986 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-07-13 22:27:39,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:27:39,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083842863] [2022-07-13 22:27:39,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083842863] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:27:39,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 22:27:39,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 22:27:39,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141833273] [2022-07-13 22:27:39,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:27:39,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 22:27:39,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:27:39,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 22:27:39,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-13 22:27:39,990 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) [2022-07-13 22:27:40,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:27:40,412 INFO L93 Difference]: Finished difference Result 146 states and 193 transitions. [2022-07-13 22:27:40,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-13 22:27:40,413 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 [2022-07-13 22:27:40,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:27:40,415 INFO L225 Difference]: With dead ends: 146 [2022-07-13 22:27:40,415 INFO L226 Difference]: Without dead ends: 101 [2022-07-13 22:27:40,416 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 [2022-07-13 22:27:40,419 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 89 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-07-13 22:27:40,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 174 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-13 22:27:40,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-07-13 22:27:40,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 85. [2022-07-13 22:27:40,443 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) [2022-07-13 22:27:40,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 108 transitions. [2022-07-13 22:27:40,444 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 108 transitions. Word has length 68 [2022-07-13 22:27:40,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:27:40,445 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 108 transitions. [2022-07-13 22:27:40,445 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) [2022-07-13 22:27:40,445 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 108 transitions. [2022-07-13 22:27:40,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-07-13 22:27:40,447 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:27:40,447 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] [2022-07-13 22:27:40,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 22:27:40,447 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:27:40,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:27:40,448 INFO L85 PathProgramCache]: Analyzing trace with hash 982808921, now seen corresponding path program 1 times [2022-07-13 22:27:40,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:27:40,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794881784] [2022-07-13 22:27:40,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:27:40,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:27:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:40,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:27:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:40,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:27:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:40,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:27:40,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:40,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:27:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:40,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-13 22:27:40,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:40,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-13 22:27:40,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:40,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-13 22:27:40,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:40,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 22:27:40,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:40,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-13 22:27:40,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:40,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:27:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:40,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 22:27:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:40,948 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-07-13 22:27:40,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:27:40,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794881784] [2022-07-13 22:27:40,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794881784] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:27:40,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548381077] [2022-07-13 22:27:40,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:27:40,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:27:40,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:27:40,951 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) [2022-07-13 22:27:40,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-13 22:27:41,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:41,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 2462 conjuncts, 14 conjunts are in the unsatisfiable core [2022-07-13 22:27:41,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:27:41,537 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-07-13 22:27:41,538 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 22:27:41,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548381077] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:27:41,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 22:27:41,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 9 [2022-07-13 22:27:41,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113831485] [2022-07-13 22:27:41,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:27:41,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 22:27:41,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:27:41,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 22:27:41,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-13 22:27:41,540 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) [2022-07-13 22:27:41,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:27:41,624 INFO L93 Difference]: Finished difference Result 123 states and 157 transitions. [2022-07-13 22:27:41,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 22:27:41,625 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 [2022-07-13 22:27:41,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:27:41,629 INFO L225 Difference]: With dead ends: 123 [2022-07-13 22:27:41,630 INFO L226 Difference]: Without dead ends: 82 [2022-07-13 22:27:41,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-07-13 22:27:41,633 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, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 22:27:41,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 347 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 22:27:41,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-07-13 22:27:41,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2022-07-13 22:27:41,651 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) [2022-07-13 22:27:41,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 102 transitions. [2022-07-13 22:27:41,652 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 102 transitions. Word has length 68 [2022-07-13 22:27:41,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:27:41,654 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 102 transitions. [2022-07-13 22:27:41,654 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) [2022-07-13 22:27:41,654 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 102 transitions. [2022-07-13 22:27:41,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-07-13 22:27:41,657 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:27:41,657 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] [2022-07-13 22:27:41,691 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-13 22:27:41,883 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 [2022-07-13 22:27:41,884 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:27:41,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:27:41,884 INFO L85 PathProgramCache]: Analyzing trace with hash -578368298, now seen corresponding path program 1 times [2022-07-13 22:27:41,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:27:41,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258190996] [2022-07-13 22:27:41,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:27:41,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:27:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:42,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:27:42,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:42,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:27:42,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:42,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:27:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:42,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:27:42,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:42,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:27:42,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:42,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:27:42,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:42,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:27:42,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:42,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:27:42,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:42,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-13 22:27:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:42,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-13 22:27:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:42,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-13 22:27:42,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:42,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-13 22:27:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:42,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-13 22:27:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:42,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-13 22:27:42,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:42,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:27:42,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:42,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 22:27:42,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:42,922 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-07-13 22:27:42,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:27:42,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258190996] [2022-07-13 22:27:42,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258190996] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:27:42,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1046758927] [2022-07-13 22:27:42,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:27:42,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:27:42,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:27:42,925 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) [2022-07-13 22:27:42,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-13 22:27:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:27:43,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 2540 conjuncts, 81 conjunts are in the unsatisfiable core [2022-07-13 22:27:43,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:27:44,664 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 12 proven. 68 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-07-13 22:27:44,664 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 22:27:46,219 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 21 proven. 3 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-07-13 22:27:46,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1046758927] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 22:27:46,220 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 22:27:46,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 28, 15] total 56 [2022-07-13 22:27:46,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735741158] [2022-07-13 22:27:46,221 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 22:27:46,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2022-07-13 22:27:46,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:27:46,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2022-07-13 22:27:46,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=2909, Unknown=0, NotChecked=0, Total=3080 [2022-07-13 22:27:46,224 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) [2022-07-13 22:27:46,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:27:46,226 INFO L93 Difference]: Finished difference Result 82 states and 102 transitions. [2022-07-13 22:27:46,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-13 22:27:46,226 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 [2022-07-13 22:27:46,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:27:46,227 INFO L225 Difference]: With dead ends: 82 [2022-07-13 22:27:46,227 INFO L226 Difference]: Without dead ends: 0 [2022-07-13 22:27:46,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 185 SyntacticMatches, 3 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 724 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=171, Invalid=2909, Unknown=0, NotChecked=0, Total=3080 [2022-07-13 22:27:46,229 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 [2022-07-13 22:27:46,229 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] [2022-07-13 22:27:46,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-13 22:27:46,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-13 22:27:46,230 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) [2022-07-13 22:27:46,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-13 22:27:46,230 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 96 [2022-07-13 22:27:46,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:27:46,231 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 22:27:46,231 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) [2022-07-13 22:27:46,231 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-13 22:27:46,231 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-13 22:27:46,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 22:27:46,268 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-13 22:27:46,443 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 [2022-07-13 22:27:46,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-13 22:27:46,507 INFO L902 garLoopResultBuilder]: At program point can_fail_mallocENTRY(lines 6899 6903) the Hoare annotation is: true [2022-07-13 22:27:46,507 INFO L899 garLoopResultBuilder]: For program point L6900-3(lines 6900 6902) no Hoare annotation was computed. [2022-07-13 22:27:46,507 INFO L902 garLoopResultBuilder]: At program point L6902(line 6902) the Hoare annotation is: true [2022-07-13 22:27:46,507 INFO L899 garLoopResultBuilder]: For program point can_fail_mallocFINAL(lines 6899 6903) no Hoare annotation was computed. [2022-07-13 22:27:46,507 INFO L899 garLoopResultBuilder]: For program point L6900-1(lines 6900 6902) no Hoare annotation was computed. [2022-07-13 22:27:46,508 INFO L899 garLoopResultBuilder]: For program point can_fail_mallocEXIT(lines 6899 6903) no Hoare annotation was computed. [2022-07-13 22:27:46,508 INFO L902 garLoopResultBuilder]: At program point L6900(line 6900) the Hoare annotation is: true [2022-07-13 22:27:46,508 INFO L899 garLoopResultBuilder]: For program point L6902-1(line 6902) no Hoare annotation was computed. [2022-07-13 22:27:46,508 INFO L902 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6882 6887) the Hoare annotation is: true [2022-07-13 22:27:46,508 INFO L899 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6882 6887) no Hoare annotation was computed. [2022-07-13 22:27:46,508 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6882 6887) no Hoare annotation was computed. [2022-07-13 22:27:46,508 INFO L899 garLoopResultBuilder]: For program point L6883-1(lines 6883 6885) no Hoare annotation was computed. [2022-07-13 22:27:46,509 INFO L902 garLoopResultBuilder]: At program point L6883(lines 6883 6885) the Hoare annotation is: true [2022-07-13 22:27:46,509 INFO L899 garLoopResultBuilder]: For program point L7135(lines 7135 7139) no Hoare annotation was computed. [2022-07-13 22:27:46,509 INFO L899 garLoopResultBuilder]: For program point L7137-1(line 7137) no Hoare annotation was computed. [2022-07-13 22:27:46,509 INFO L899 garLoopResultBuilder]: For program point save_byte_from_arrayEXIT(lines 7134 7140) no Hoare annotation was computed. [2022-07-13 22:27:46,509 INFO L902 garLoopResultBuilder]: At program point L7137(line 7137) the Hoare annotation is: true [2022-07-13 22:27:46,509 INFO L899 garLoopResultBuilder]: For program point L7135-2(lines 7134 7140) no Hoare annotation was computed. [2022-07-13 22:27:46,510 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)|)) [2022-07-13 22:27:46,510 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)|)) [2022-07-13 22:27:46,510 INFO L899 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2022-07-13 22:27:46,510 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2022-07-13 22:27:46,510 INFO L902 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2022-07-13 22:27:46,510 INFO L899 garLoopResultBuilder]: For program point aws_array_eq_c_str_ignore_caseEXIT(lines 7731 7764) no Hoare annotation was computed. [2022-07-13 22:27:46,510 INFO L899 garLoopResultBuilder]: For program point L7748-4(lines 7748 7761) no Hoare annotation was computed. [2022-07-13 22:27:46,511 INFO L902 garLoopResultBuilder]: At program point aws_array_eq_c_str_ignore_caseENTRY(lines 7731 7764) the Hoare annotation is: true [2022-07-13 22:27:46,511 INFO L902 garLoopResultBuilder]: At program point L7748-3(lines 7748 7761) the Hoare annotation is: true [2022-07-13 22:27:46,511 INFO L899 garLoopResultBuilder]: For program point L7736(lines 7736 7738) no Hoare annotation was computed. [2022-07-13 22:27:46,511 INFO L902 garLoopResultBuilder]: At program point L7733-1(line 7733) the Hoare annotation is: true [2022-07-13 22:27:46,511 INFO L902 garLoopResultBuilder]: At program point L7733(line 7733) the Hoare annotation is: true [2022-07-13 22:27:46,511 INFO L899 garLoopResultBuilder]: For program point L7756(lines 7756 7760) no Hoare annotation was computed. [2022-07-13 22:27:46,511 INFO L899 garLoopResultBuilder]: For program point L7750(lines 7750 7754) no Hoare annotation was computed. [2022-07-13 22:27:46,511 INFO L899 garLoopResultBuilder]: For program point aws_array_eq_c_str_ignore_caseFINAL(lines 7731 7764) no Hoare annotation was computed. [2022-07-13 22:27:46,512 INFO L899 garLoopResultBuilder]: For program point L7748-2(lines 7748 7761) no Hoare annotation was computed. [2022-07-13 22:27:46,512 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2022-07-13 22:27:46,512 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2022-07-13 22:27:46,512 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-07-13 22:27:46,512 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2022-07-13 22:27:46,512 INFO L902 garLoopResultBuilder]: At program point L7130(line 7130) the Hoare annotation is: true [2022-07-13 22:27:46,512 INFO L899 garLoopResultBuilder]: For program point assert_byte_from_buffer_matchesEXIT(lines 7128 7132) no Hoare annotation was computed. [2022-07-13 22:27:46,513 INFO L902 garLoopResultBuilder]: At program point assert_byte_from_buffer_matchesENTRY(lines 7128 7132) the Hoare annotation is: true [2022-07-13 22:27:46,513 INFO L899 garLoopResultBuilder]: For program point L7129-2(lines 7128 7132) no Hoare annotation was computed. [2022-07-13 22:27:46,513 INFO L899 garLoopResultBuilder]: For program point L7129(lines 7129 7131) no Hoare annotation was computed. [2022-07-13 22:27:46,513 INFO L899 garLoopResultBuilder]: For program point L7130-1(line 7130) no Hoare annotation was computed. [2022-07-13 22:27:46,513 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2022-07-13 22:27:46,513 INFO L902 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2022-07-13 22:27:46,513 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2022-07-13 22:27:46,514 INFO L899 garLoopResultBuilder]: For program point L8979-1(line 8979) no Hoare annotation was computed. [2022-07-13 22:27:46,514 INFO L899 garLoopResultBuilder]: For program point L8971(line 8971) no Hoare annotation was computed. [2022-07-13 22:27:46,514 INFO L899 garLoopResultBuilder]: For program point L8996(lines 8996 8998) no Hoare annotation was computed. [2022-07-13 22:27:46,514 INFO L895 garLoopResultBuilder]: At program point L6820-1(line 6820) the Hoare annotation is: false [2022-07-13 22:27:46,514 INFO L902 garLoopResultBuilder]: At program point L9000(line 9000) the Hoare annotation is: true [2022-07-13 22:27:46,514 INFO L895 garLoopResultBuilder]: At program point L6820(line 6820) the Hoare annotation is: false [2022-07-13 22:27:46,514 INFO L899 garLoopResultBuilder]: For program point L8967(lines 8967 8999) no Hoare annotation was computed. [2022-07-13 22:27:46,515 INFO L899 garLoopResultBuilder]: For program point L8988(lines 8988 8990) no Hoare annotation was computed. [2022-07-13 22:27:46,515 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-13 22:27:46,515 INFO L899 garLoopResultBuilder]: For program point L8988-1(lines 8967 8999) no Hoare annotation was computed. [2022-07-13 22:27:46,515 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-13 22:27:46,515 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-13 22:27:46,515 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)) [2022-07-13 22:27:46,515 INFO L895 garLoopResultBuilder]: At program point L8972(line 8972) the Hoare annotation is: false [2022-07-13 22:27:46,515 INFO L899 garLoopResultBuilder]: For program point L8972-1(lines 8972 8974) no Hoare annotation was computed. [2022-07-13 22:27:46,516 INFO L895 garLoopResultBuilder]: At program point L8997(line 8997) the Hoare annotation is: false [2022-07-13 22:27:46,516 INFO L899 garLoopResultBuilder]: For program point L6825-1(line 6825) no Hoare annotation was computed. [2022-07-13 22:27:46,516 INFO L895 garLoopResultBuilder]: At program point L6825(line 6825) the Hoare annotation is: false [2022-07-13 22:27:46,516 INFO L899 garLoopResultBuilder]: For program point L8972-3(lines 8972 8974) no Hoare annotation was computed. [2022-07-13 22:27:46,516 INFO L899 garLoopResultBuilder]: For program point L6821(line 6821) no Hoare annotation was computed. [2022-07-13 22:27:46,516 INFO L895 garLoopResultBuilder]: At program point L8989(line 8989) the Hoare annotation is: false [2022-07-13 22:27:46,516 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-13 22:27:46,517 INFO L899 garLoopResultBuilder]: For program point L8993(lines 8967 8999) no Hoare annotation was computed. [2022-07-13 22:27:46,517 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)) [2022-07-13 22:27:46,517 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)) [2022-07-13 22:27:46,517 INFO L895 garLoopResultBuilder]: At program point L8985(line 8985) the Hoare annotation is: false [2022-07-13 22:27:46,517 INFO L895 garLoopResultBuilder]: At program point L6826(lines 6818 6827) the Hoare annotation is: false [2022-07-13 22:27:46,517 INFO L895 garLoopResultBuilder]: At program point L8994(line 8994) the Hoare annotation is: false [2022-07-13 22:27:46,518 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)) [2022-07-13 22:27:46,518 INFO L895 garLoopResultBuilder]: At program point L8970(line 8970) the Hoare annotation is: false [2022-07-13 22:27:46,518 INFO L899 garLoopResultBuilder]: For program point L8978-1(lines 8967 8999) no Hoare annotation was computed. [2022-07-13 22:27:46,518 INFO L895 garLoopResultBuilder]: At program point L8970-1(line 8970) the Hoare annotation is: false [2022-07-13 22:27:46,518 INFO L899 garLoopResultBuilder]: For program point L6819-1(line 6819) no Hoare annotation was computed. [2022-07-13 22:27:46,518 INFO L895 garLoopResultBuilder]: At program point L6819(line 6819) the Hoare annotation is: false [2022-07-13 22:27:46,518 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-07-13 22:27:46,518 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2022-07-13 22:27:46,519 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-07-13 22:27:46,519 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2022-07-13 22:27:46,519 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2022-07-13 22:27:46,519 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2022-07-13 22:27:46,522 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-07-13 22:27:46,524 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 22:27:46,530 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-13 22:27:46,530 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-13 22:27:46,531 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-13 22:27:46,531 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-13 22:27:46,535 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-13 22:27:46,535 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-13 22:27:46,535 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-13 22:27:46,536 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-13 22:27:46,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 10:27:46 BoogieIcfgContainer [2022-07-13 22:27:46,537 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 22:27:46,538 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 22:27:46,538 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 22:27:46,538 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 22:27:46,538 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 10:27:38" (3/4) ... [2022-07-13 22:27:46,541 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-13 22:27:46,546 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_malloc [2022-07-13 22:27:46,547 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-07-13 22:27:46,547 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure save_byte_from_array [2022-07-13 22:27:46,547 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2022-07-13 22:27:46,547 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-07-13 22:27:46,547 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_eq_c_str_ignore_case [2022-07-13 22:27:46,548 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-07-13 22:27:46,548 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-07-13 22:27:46,548 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_byte_from_buffer_matches [2022-07-13 22:27:46,560 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 124 nodes and edges [2022-07-13 22:27:46,561 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2022-07-13 22:27:46,562 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-07-13 22:27:46,563 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-07-13 22:27:46,564 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-07-13 22:27:46,565 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-07-13 22:27:46,566 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-13 22:27:46,566 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 22:27:46,594 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_$Pointer$) [2022-07-13 22:27:46,907 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 22:27:46,907 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 22:27:46,908 INFO L158 Benchmark]: Toolchain (without parser) took 12576.97ms. Allocated memory was 94.4MB in the beginning and 293.6MB in the end (delta: 199.2MB). Free memory was 55.3MB in the beginning and 143.7MB in the end (delta: -88.4MB). Peak memory consumption was 213.6MB. Max. memory is 16.1GB. [2022-07-13 22:27:46,908 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 94.4MB. Free memory was 52.3MB in the beginning and 52.3MB in the end (delta: 43.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 22:27:46,908 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2428.77ms. Allocated memory was 94.4MB in the beginning and 148.9MB in the end (delta: 54.5MB). Free memory was 55.1MB in the beginning and 76.5MB in the end (delta: -21.3MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. [2022-07-13 22:27:46,909 INFO L158 Benchmark]: Boogie Procedure Inliner took 199.92ms. Allocated memory is still 148.9MB. Free memory was 76.5MB in the beginning and 65.3MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-13 22:27:46,909 INFO L158 Benchmark]: Boogie Preprocessor took 104.73ms. Allocated memory is still 148.9MB. Free memory was 65.3MB in the beginning and 94.1MB in the end (delta: -28.8MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2022-07-13 22:27:46,909 INFO L158 Benchmark]: RCFGBuilder took 1292.49ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 94.1MB in the beginning and 123.0MB in the end (delta: -29.0MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2022-07-13 22:27:46,910 INFO L158 Benchmark]: TraceAbstraction took 8173.36ms. Allocated memory was 180.4MB in the beginning and 293.6MB in the end (delta: 113.2MB). Free memory was 123.0MB in the beginning and 104.7MB in the end (delta: 18.3MB). Peak memory consumption was 130.5MB. Max. memory is 16.1GB. [2022-07-13 22:27:46,910 INFO L158 Benchmark]: Witness Printer took 369.55ms. Allocated memory is still 293.6MB. Free memory was 104.7MB in the beginning and 143.7MB in the end (delta: -39.0MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. [2022-07-13 22:27:46,911 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 94.4MB. Free memory was 52.3MB in the beginning and 52.3MB in the end (delta: 43.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2428.77ms. Allocated memory was 94.4MB in the beginning and 148.9MB in the end (delta: 54.5MB). Free memory was 55.1MB in the beginning and 76.5MB in the end (delta: -21.3MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 199.92ms. Allocated memory is still 148.9MB. Free memory was 76.5MB in the beginning and 65.3MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.73ms. Allocated memory is still 148.9MB. Free memory was 65.3MB in the beginning and 94.1MB in the end (delta: -28.8MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * RCFGBuilder took 1292.49ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 94.1MB in the beginning and 123.0MB in the end (delta: -29.0MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. * TraceAbstraction took 8173.36ms. Allocated memory was 180.4MB in the beginning and 293.6MB in the end (delta: 113.2MB). Free memory was 123.0MB in the beginning and 104.7MB in the end (delta: 18.3MB). Peak memory consumption was 130.5MB. Max. memory is 16.1GB. * Witness Printer took 369.55ms. Allocated memory is still 293.6MB. Free memory was 104.7MB in the beginning and 143.7MB in the end (delta: -39.0MB). Peak memory consumption was 63.7MB. 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: 8.1s, OverallIterations: 4, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 181 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 173 mSDsluCounter, 659 SdHoareTripleChecker+Invalid, 0.5s 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, 1.8s 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: 0.1s 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, 1.2s SatisfiabilityAnalysisTime, 4.8s 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 [2022-07-13 22:27:46,918 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-13 22:27:46,919 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-13 22:27:46,919 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-13 22:27:46,919 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-13 22:27:46,919 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-13 22:27:46,920 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-13 22:27:46,920 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-13 22:27:46,920 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! [2022-07-13 22:27:46,946 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE