./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 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_list_get_at_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 4074842a6d6900f214884b5b0ef94aa1b36f37c81b70cefd0198f88d1e717beb --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:30:05,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:30:05,646 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:30:05,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:30:05,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:30:05,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:30:05,686 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:30:05,687 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:30:05,693 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:30:05,694 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:30:05,695 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:30:05,696 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:30:05,696 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:30:05,697 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:30:05,698 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:30:05,699 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:30:05,700 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:30:05,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:30:05,702 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:30:05,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:30:05,704 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:30:05,705 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:30:05,706 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:30:05,707 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:30:05,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:30:05,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:30:05,727 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:30:05,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:30:05,728 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:30:05,729 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:30:05,729 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:30:05,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:30:05,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:30:05,730 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:30:05,731 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:30:05,731 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:30:05,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:30:05,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:30:05,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:30:05,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:30:05,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:30:05,734 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:30:05,755 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:30:05,755 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:30:05,756 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:30:05,756 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:30:05,756 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:30:05,756 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:30:05,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:30:05,757 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:30:05,757 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:30:05,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:30:05,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:30:05,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:30:05,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:30:05,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:30:05,758 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:30:05,758 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:30:05,758 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:30:05,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:30:05,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:30:05,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:30:05,758 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:30:05,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:30:05,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:30:05,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:30:05,759 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:30:05,759 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:30:05,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:30:05,760 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:30:05,760 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:30:05,760 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:30:05,760 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:30:05,760 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4074842a6d6900f214884b5b0ef94aa1b36f37c81b70cefd0198f88d1e717beb [2021-12-15 12:30:05,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:30:05,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:30:05,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:30:05,985 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:30:05,986 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:30:05,986 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i [2021-12-15 12:30:06,035 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff43e830f/9fe0685c5a9740b0b2bd86227b0a2014/FLAG3e1348996 [2021-12-15 12:30:06,683 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:30:06,685 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i [2021-12-15 12:30:06,719 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff43e830f/9fe0685c5a9740b0b2bd86227b0a2014/FLAG3e1348996 [2021-12-15 12:30:06,864 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff43e830f/9fe0685c5a9740b0b2bd86227b0a2014 [2021-12-15 12:30:06,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:30:06,867 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:30:06,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:30:06,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:30:06,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:30:06,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:30:06" (1/1) ... [2021-12-15 12:30:06,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10cb736f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:06, skipping insertion in model container [2021-12-15 12:30:06,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:30:06" (1/1) ... [2021-12-15 12:30:06,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:30:06,940 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:30:07,110 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_list_get_at_harness.i[4495,4508] [2021-12-15 12:30:07,115 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_list_get_at_harness.i[4555,4568] [2021-12-15 12:30:07,646 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:30:07,703 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:07,703 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:07,703 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:07,704 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:07,704 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:07,710 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:07,711 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:07,712 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:07,712 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:07,713 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:07,713 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:07,714 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:07,714 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,004 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:30:08,005 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:30:08,007 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:30:08,009 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:30:08,010 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:30:08,010 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:30:08,011 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:30:08,012 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:30:08,014 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:30:08,014 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:30:08,122 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,129 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,168 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,169 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,171 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:30:08,187 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:30:08,195 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_list_get_at_harness.i[4495,4508] [2021-12-15 12:30:08,195 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_list_get_at_harness.i[4555,4568] [2021-12-15 12:30:08,218 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:30:08,240 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,241 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,241 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,241 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,242 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,247 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,248 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,248 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,249 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,249 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,249 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,250 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,250 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,284 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:30:08,285 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:30:08,285 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:30:08,287 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:30:08,288 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:30:08,288 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:30:08,288 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:30:08,289 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:30:08,289 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:30:08,289 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:30:08,307 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,310 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,344 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,349 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,350 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:30:08,498 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:30:08,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:08 WrapperNode [2021-12-15 12:30:08,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:30:08,500 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:30:08,500 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:30:08,500 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:30:08,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:08" (1/1) ... [2021-12-15 12:30:08,583 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:08" (1/1) ... [2021-12-15 12:30:08,642 INFO L137 Inliner]: procedures = 691, calls = 1682, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 655 [2021-12-15 12:30:08,650 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:30:08,651 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:30:08,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:30:08,651 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:30:08,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:08" (1/1) ... [2021-12-15 12:30:08,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:08" (1/1) ... [2021-12-15 12:30:08,666 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:08" (1/1) ... [2021-12-15 12:30:08,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:08" (1/1) ... [2021-12-15 12:30:08,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:08" (1/1) ... [2021-12-15 12:30:08,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:08" (1/1) ... [2021-12-15 12:30:08,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:08" (1/1) ... [2021-12-15 12:30:08,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:30:08,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:30:08,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:30:08,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:30:08,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:08" (1/1) ... [2021-12-15 12:30:08,724 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:30:08,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:30:08,740 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 12:30:08,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 12:30:08,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:30:08,777 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2021-12-15 12:30:08,777 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2021-12-15 12:30:08,777 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-12-15 12:30:08,778 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-12-15 12:30:08,778 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-15 12:30:08,778 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-15 12:30:08,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:30:08,778 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-15 12:30:08,778 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-15 12:30:08,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 12:30:08,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 12:30:08,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:30:08,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:30:08,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:30:08,779 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2021-12-15 12:30:08,779 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2021-12-15 12:30:08,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:30:08,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:30:08,780 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-15 12:30:08,780 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-15 12:30:08,780 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2021-12-15 12:30:08,780 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2021-12-15 12:30:08,780 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-12-15 12:30:08,780 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-12-15 12:30:08,780 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2021-12-15 12:30:08,780 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2021-12-15 12:30:08,780 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2021-12-15 12:30:08,780 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2021-12-15 12:30:08,780 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 12:30:08,780 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 12:30:08,781 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2021-12-15 12:30:08,781 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2021-12-15 12:30:08,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:30:08,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:30:08,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:30:08,781 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-15 12:30:08,781 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-15 12:30:08,781 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-12-15 12:30:08,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-12-15 12:30:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:30:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2021-12-15 12:30:08,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2021-12-15 12:30:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:30:09,022 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:30:09,023 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:30:09,519 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:30:09,526 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:30:09,526 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 12:30:09,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:30:09 BoogieIcfgContainer [2021-12-15 12:30:09,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:30:09,529 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:30:09,529 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:30:09,531 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:30:09,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:30:06" (1/3) ... [2021-12-15 12:30:09,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e52de31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:30:09, skipping insertion in model container [2021-12-15 12:30:09,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:08" (2/3) ... [2021-12-15 12:30:09,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e52de31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:30:09, skipping insertion in model container [2021-12-15 12:30:09,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:30:09" (3/3) ... [2021-12-15 12:30:09,534 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_get_at_harness.i [2021-12-15 12:30:09,537 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:30:09,540 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:30:09,581 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:30:09,595 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 12:30:09,595 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:30:09,612 INFO L276 IsEmpty]: Start isEmpty. Operand has 178 states, 108 states have (on average 1.212962962962963) internal successors, (131), 109 states have internal predecessors, (131), 52 states have call successors, (52), 16 states have call predecessors, (52), 16 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2021-12-15 12:30:09,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-12-15 12:30:09,619 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:30:09,620 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:30:09,620 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:30:09,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:30:09,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1881445885, now seen corresponding path program 1 times [2021-12-15 12:30:09,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 12:30:09,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355529855] [2021-12-15 12:30:09,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:30:09,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 12:30:09,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 12:30:09,693 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:30:09,696 INFO L158 Benchmark]: Toolchain (without parser) took 2829.29ms. Allocated memory was 104.9MB in the beginning and 138.4MB in the end (delta: 33.6MB). Free memory was 67.1MB in the beginning and 58.0MB in the end (delta: 9.1MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. [2021-12-15 12:30:09,697 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 81.8MB. Free memory was 51.7MB in the beginning and 51.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:30:09,697 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1630.94ms. Allocated memory was 104.9MB in the beginning and 138.4MB in the end (delta: 33.6MB). Free memory was 66.8MB in the beginning and 92.3MB in the end (delta: -25.5MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2021-12-15 12:30:09,697 INFO L158 Benchmark]: Boogie Procedure Inliner took 150.64ms. Allocated memory is still 138.4MB. Free memory was 92.3MB in the beginning and 83.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 12:30:09,698 INFO L158 Benchmark]: Boogie Preprocessor took 56.78ms. Allocated memory is still 138.4MB. Free memory was 83.9MB in the beginning and 77.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 12:30:09,698 INFO L158 Benchmark]: RCFGBuilder took 819.32ms. Allocated memory is still 138.4MB. Free memory was 77.6MB in the beginning and 71.4MB in the end (delta: 6.2MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2021-12-15 12:30:09,698 INFO L158 Benchmark]: TraceAbstraction took 166.86ms. Allocated memory is still 138.4MB. Free memory was 71.4MB in the beginning and 58.0MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 12:30:09,699 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 81.8MB. Free memory was 51.7MB in the beginning and 51.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1630.94ms. Allocated memory was 104.9MB in the beginning and 138.4MB in the end (delta: 33.6MB). Free memory was 66.8MB in the beginning and 92.3MB in the end (delta: -25.5MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 150.64ms. Allocated memory is still 138.4MB. Free memory was 92.3MB in the beginning and 83.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.78ms. Allocated memory is still 138.4MB. Free memory was 83.9MB in the beginning and 77.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 819.32ms. Allocated memory is still 138.4MB. Free memory was 77.6MB in the beginning and 71.4MB in the end (delta: 6.2MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. * TraceAbstraction took 166.86ms. Allocated memory is still 138.4MB. Free memory was 71.4MB in the beginning and 58.0MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:30:09,729 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4074842a6d6900f214884b5b0ef94aa1b36f37c81b70cefd0198f88d1e717beb --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:30:11,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:30:11,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:30:11,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:30:11,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:30:11,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:30:11,598 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:30:11,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:30:11,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:30:11,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:30:11,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:30:11,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:30:11,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:30:11,610 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:30:11,611 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:30:11,615 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:30:11,616 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:30:11,616 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:30:11,618 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:30:11,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:30:11,624 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:30:11,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:30:11,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:30:11,626 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:30:11,630 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:30:11,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:30:11,631 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:30:11,640 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:30:11,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:30:11,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:30:11,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:30:11,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:30:11,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:30:11,643 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:30:11,644 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:30:11,644 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:30:11,644 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:30:11,644 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:30:11,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:30:11,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:30:11,646 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:30:11,649 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:30:11,678 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:30:11,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:30:11,678 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:30:11,679 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:30:11,679 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:30:11,679 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:30:11,680 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:30:11,680 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:30:11,680 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:30:11,680 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:30:11,680 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:30:11,680 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:30:11,680 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:30:11,680 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:30:11,680 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:30:11,680 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:30:11,680 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:30:11,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:30:11,681 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:30:11,681 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:30:11,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:30:11,681 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:30:11,681 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:30:11,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:30:11,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:30:11,681 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:30:11,681 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:30:11,681 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:30:11,681 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:30:11,681 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:30:11,682 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:30:11,682 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:30:11,682 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:30:11,682 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:30:11,682 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4074842a6d6900f214884b5b0ef94aa1b36f37c81b70cefd0198f88d1e717beb [2021-12-15 12:30:11,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:30:11,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:30:11,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:30:11,946 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:30:11,947 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:30:11,948 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i [2021-12-15 12:30:11,991 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e789c3cf4/ddb330861ea54b01a1b5d5e17a7b070c/FLAG6ed9609a4 [2021-12-15 12:30:12,616 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:30:12,617 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i [2021-12-15 12:30:12,646 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e789c3cf4/ddb330861ea54b01a1b5d5e17a7b070c/FLAG6ed9609a4 [2021-12-15 12:30:12,808 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e789c3cf4/ddb330861ea54b01a1b5d5e17a7b070c [2021-12-15 12:30:12,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:30:12,811 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:30:12,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:30:12,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:30:12,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:30:12,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:30:12" (1/1) ... [2021-12-15 12:30:12,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28273dac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:12, skipping insertion in model container [2021-12-15 12:30:12,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:30:12" (1/1) ... [2021-12-15 12:30:12,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:30:12,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:30:13,082 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_list_get_at_harness.i[4495,4508] [2021-12-15 12:30:13,086 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_list_get_at_harness.i[4555,4568] [2021-12-15 12:30:13,501 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:30:13,563 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:13,563 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:13,563 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:13,564 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:13,565 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:13,572 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:13,572 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:13,573 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:13,573 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:13,574 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:13,575 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:13,575 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:13,575 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:13,784 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:30:13,787 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:30:13,789 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:30:13,790 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:30:13,791 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:30:13,792 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:30:13,793 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:30:13,796 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:30:13,798 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:30:13,798 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:30:13,895 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:13,899 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:13,933 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:13,933 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:13,935 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:30:13,958 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:30:13,977 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:30:13,980 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_list_get_at_harness.i[4495,4508] [2021-12-15 12:30:13,981 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_list_get_at_harness.i[4555,4568] [2021-12-15 12:30:14,012 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:30:14,029 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:14,030 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:14,030 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:14,030 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:14,031 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:14,035 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:14,035 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:14,036 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:14,036 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:14,037 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:14,037 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:14,037 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:14,037 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:14,065 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:30:14,065 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:30:14,066 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:30:14,066 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:30:14,067 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:30:14,069 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:30:14,069 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:30:14,070 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:30:14,070 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:30:14,071 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:30:14,094 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:14,103 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:14,127 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:14,127 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:14,128 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:30:14,145 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:30:14,171 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_list_get_at_harness.i[4495,4508] [2021-12-15 12:30:14,172 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_list_get_at_harness.i[4555,4568] [2021-12-15 12:30:14,201 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:30:14,208 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:14,208 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:14,208 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:14,209 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:14,209 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:14,212 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:14,213 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:14,214 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:14,214 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:14,214 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:14,215 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:14,215 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:14,215 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:14,237 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:30:14,237 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:30:14,238 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:30:14,238 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:30:14,239 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:30:14,239 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:30:14,239 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:30:14,240 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:30:14,240 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:30:14,240 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:30:14,265 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:14,268 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:14,309 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:14,309 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:14,310 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:30:14,510 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:30:14,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:14 WrapperNode [2021-12-15 12:30:14,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:30:14,512 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:30:14,512 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:30:14,512 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:30:14,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:14" (1/1) ... [2021-12-15 12:30:14,574 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:14" (1/1) ... [2021-12-15 12:30:14,635 INFO L137 Inliner]: procedures = 711, calls = 1682, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 652 [2021-12-15 12:30:14,636 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:30:14,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:30:14,637 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:30:14,637 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:30:14,647 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:14" (1/1) ... [2021-12-15 12:30:14,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:14" (1/1) ... [2021-12-15 12:30:14,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:14" (1/1) ... [2021-12-15 12:30:14,662 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:14" (1/1) ... [2021-12-15 12:30:14,692 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:14" (1/1) ... [2021-12-15 12:30:14,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:14" (1/1) ... [2021-12-15 12:30:14,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:14" (1/1) ... [2021-12-15 12:30:14,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:30:14,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:30:14,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:30:14,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:30:14,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:14" (1/1) ... [2021-12-15 12:30:14,741 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:30:14,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:30:14,759 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 12:30:14,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 12:30:14,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:30:14,789 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2021-12-15 12:30:14,790 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2021-12-15 12:30:14,790 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-12-15 12:30:14,790 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-12-15 12:30:14,790 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-15 12:30:14,790 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-15 12:30:14,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:30:14,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:30:14,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 12:30:14,791 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-15 12:30:14,791 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-15 12:30:14,791 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 12:30:14,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 12:30:14,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:30:14,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:30:14,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:30:14,792 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2021-12-15 12:30:14,792 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2021-12-15 12:30:14,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:30:14,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:30:14,793 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-15 12:30:14,793 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-15 12:30:14,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 12:30:14,793 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2021-12-15 12:30:14,793 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2021-12-15 12:30:14,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 12:30:14,793 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-12-15 12:30:14,793 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-12-15 12:30:14,794 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2021-12-15 12:30:14,794 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2021-12-15 12:30:14,794 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2021-12-15 12:30:14,794 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2021-12-15 12:30:14,794 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 12:30:14,794 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 12:30:14,794 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2021-12-15 12:30:14,794 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2021-12-15 12:30:14,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:30:14,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:30:14,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 12:30:14,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 12:30:14,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:30:14,795 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-15 12:30:14,795 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-15 12:30:14,795 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-12-15 12:30:14,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-12-15 12:30:14,796 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2021-12-15 12:30:14,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2021-12-15 12:30:14,989 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:30:14,990 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:30:15,984 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:30:15,995 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:30:15,996 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 12:30:16,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:30:15 BoogieIcfgContainer [2021-12-15 12:30:16,000 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:30:16,001 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:30:16,001 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:30:16,003 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:30:16,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:30:12" (1/3) ... [2021-12-15 12:30:16,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12b15475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:30:16, skipping insertion in model container [2021-12-15 12:30:16,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:14" (2/3) ... [2021-12-15 12:30:16,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12b15475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:30:16, skipping insertion in model container [2021-12-15 12:30:16,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:30:15" (3/3) ... [2021-12-15 12:30:16,005 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_get_at_harness.i [2021-12-15 12:30:16,008 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:30:16,009 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:30:16,060 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:30:16,068 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 12:30:16,069 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:30:16,084 INFO L276 IsEmpty]: Start isEmpty. Operand has 178 states, 108 states have (on average 1.212962962962963) internal successors, (131), 109 states have internal predecessors, (131), 52 states have call successors, (52), 16 states have call predecessors, (52), 16 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2021-12-15 12:30:16,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-12-15 12:30:16,097 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:30:16,098 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:30:16,098 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:30:16,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:30:16,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1881445885, now seen corresponding path program 1 times [2021-12-15 12:30:16,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 12:30:16,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [609429504] [2021-12-15 12:30:16,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:30:16,113 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 12:30:16,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 12:30:16,115 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 12:30:16,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-15 12:30:16,216 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-15 12:30:16,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 12:30:16,414 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:30:16,419 INFO L158 Benchmark]: Toolchain (without parser) took 3605.79ms. Allocated memory was 67.1MB in the beginning and 115.3MB in the end (delta: 48.2MB). Free memory was 39.2MB in the beginning and 55.8MB in the end (delta: -16.6MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2021-12-15 12:30:16,420 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 67.1MB. Free memory was 47.8MB in the beginning and 47.8MB in the end (delta: 32.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:30:16,420 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1698.34ms. Allocated memory was 67.1MB in the beginning and 115.3MB in the end (delta: 48.2MB). Free memory was 39.0MB in the beginning and 52.4MB in the end (delta: -13.3MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. [2021-12-15 12:30:16,420 INFO L158 Benchmark]: Boogie Procedure Inliner took 123.70ms. Allocated memory is still 115.3MB. Free memory was 52.4MB in the beginning and 73.0MB in the end (delta: -20.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:30:16,421 INFO L158 Benchmark]: Boogie Preprocessor took 98.03ms. Allocated memory is still 115.3MB. Free memory was 73.0MB in the beginning and 66.1MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 12:30:16,422 INFO L158 Benchmark]: RCFGBuilder took 1264.92ms. Allocated memory is still 115.3MB. Free memory was 66.1MB in the beginning and 39.5MB in the end (delta: 26.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2021-12-15 12:30:16,422 INFO L158 Benchmark]: TraceAbstraction took 415.45ms. Allocated memory is still 115.3MB. Free memory was 38.8MB in the beginning and 55.8MB in the end (delta: -17.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:30:16,423 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 67.1MB. Free memory was 47.8MB in the beginning and 47.8MB in the end (delta: 32.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1698.34ms. Allocated memory was 67.1MB in the beginning and 115.3MB in the end (delta: 48.2MB). Free memory was 39.0MB in the beginning and 52.4MB in the end (delta: -13.3MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 123.70ms. Allocated memory is still 115.3MB. Free memory was 52.4MB in the beginning and 73.0MB in the end (delta: -20.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.03ms. Allocated memory is still 115.3MB. Free memory was 73.0MB in the beginning and 66.1MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1264.92ms. Allocated memory is still 115.3MB. Free memory was 66.1MB in the beginning and 39.5MB in the end (delta: 26.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 415.45ms. Allocated memory is still 115.3MB. Free memory was 38.8MB in the beginning and 55.8MB in the end (delta: -17.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:30:16,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable