./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_erase_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_erase_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 8b6d838964def4d11e7b735947c71f28c372f2bfcc6737eb555ad8684227244e --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:30:05,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:30:05,356 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:30:05,391 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:30:05,392 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:30:05,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:30:05,396 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:30:05,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:30:05,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:30:05,417 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:30:05,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:30:05,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:30:05,419 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:30:05,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:30:05,423 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:30:05,425 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:30:05,430 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:30:05,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:30:05,432 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:30:05,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:30:05,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:30:05,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:30:05,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:30:05,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:30:05,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:30:05,449 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:30:05,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:30:05,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:30:05,451 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:30:05,452 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:30:05,452 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:30:05,453 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:30:05,453 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:30:05,454 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:30:05,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:30:05,455 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:30:05,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:30:05,455 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:30:05,456 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:30:05,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:30:05,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:30:05,458 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:30:05,484 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:30:05,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:30:05,488 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:30:05,488 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:30:05,488 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:30:05,489 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:30:05,489 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:30:05,489 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:30:05,489 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:30:05,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:30:05,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:30:05,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:30:05,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:30:05,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:30:05,490 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:30:05,490 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:30:05,490 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:30:05,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:30:05,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:30:05,491 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:30:05,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:30:05,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:30:05,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:30:05,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:30:05,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:30:05,491 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:30:05,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:30:05,492 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:30:05,492 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:30:05,492 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:30:05,492 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:30:05,492 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b6d838964def4d11e7b735947c71f28c372f2bfcc6737eb555ad8684227244e [2021-12-15 12:30:05,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:30:05,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:30:05,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:30:05,730 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:30:05,731 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:30:05,732 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_erase_harness.i [2021-12-15 12:30:05,791 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87d01fc6d/513048fa32cc4513acefc322709ae7f1/FLAG275df6fa3 [2021-12-15 12:30:06,412 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:30:06,412 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_erase_harness.i [2021-12-15 12:30:06,449 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87d01fc6d/513048fa32cc4513acefc322709ae7f1/FLAG275df6fa3 [2021-12-15 12:30:06,574 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87d01fc6d/513048fa32cc4513acefc322709ae7f1 [2021-12-15 12:30:06,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:30:06,579 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:30:06,582 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:30:06,582 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:30:06,585 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:30:06,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:30:06" (1/1) ... [2021-12-15 12:30:06,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13a37552 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 12:30:06,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:30:06" (1/1) ... [2021-12-15 12:30:06,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:30:06,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:30:06,897 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_erase_harness.i[4494,4507] [2021-12-15 12:30:06,904 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_erase_harness.i[4554,4567] [2021-12-15 12:30:07,582 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:30:07,655 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:07,655 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:07,656 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:07,656 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:07,657 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:07,664 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:07,665 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:07,666 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:07,666 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:07,668 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:07,668 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:07,669 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:07,669 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:07,885 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:30:07,886 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:30:07,887 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:30:07,888 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:30:07,889 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:30:07,889 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:30:07,890 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:30:07,890 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:30:07,891 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:30:07,891 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:30:08,010 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,015 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,023 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,024 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,033 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,033 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,040 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,058 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,121 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,122 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,125 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:30:08,158 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:30:08,182 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_erase_harness.i[4494,4507] [2021-12-15 12:30:08,183 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_erase_harness.i[4554,4567] [2021-12-15 12:30:08,232 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:30:08,245 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 12:30:08,251 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,251 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,252 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,257 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,258 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,261 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,262 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,263 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,263 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,264 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,264 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,303 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:30:08,303 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:30:08,304 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:30:08,304 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:30:08,307 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:30:08,308 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:30:08,308 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:30:08,308 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:30:08,309 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:30:08,309 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:30:08,360 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,360 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,361 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,362 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,362 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,363 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,363 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,368 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,394 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,395 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:08,396 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:30:08,537 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:30:08,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:08 WrapperNode [2021-12-15 12:30:08,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:30:08,539 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:30:08,539 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:30:08,539 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:30:08,545 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 12:30:08,626 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 12:30:08,701 INFO L137 Inliner]: procedures = 687, calls = 1681, calls flagged for inlining = 53, calls inlined = 12, statements flattened = 732 [2021-12-15 12:30:08,702 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:30:08,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:30:08,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:30:08,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:30:08,710 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 12:30:08,711 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 12:30:08,733 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 12:30:08,734 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 12:30:08,777 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 12:30:08,796 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 12:30:08,804 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 12:30:08,821 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:30:08,822 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:30:08,822 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:30:08,822 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:30:08,829 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 12:30:08,837 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:30:08,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:30:08,865 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 12:30:08,886 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 12:30:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure memmove_impl [2021-12-15 12:30:08,908 INFO L138 BoogieDeclarations]: Found implementation of procedure memmove_impl [2021-12-15 12:30:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:30:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2021-12-15 12:30:08,909 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2021-12-15 12:30:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-12-15 12:30:08,909 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-12-15 12:30:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-15 12:30:08,910 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-15 12:30:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:30:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-15 12:30:08,911 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-15 12:30:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 12:30:08,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 12:30:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:30:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:30:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint8_t [2021-12-15 12:30:08,912 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint8_t [2021-12-15 12:30:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:30:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:30:08,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:30:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-15 12:30:08,914 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-15 12:30:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2021-12-15 12:30:08,914 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2021-12-15 12:30:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-12-15 12:30:08,914 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-12-15 12:30:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2021-12-15 12:30:08,915 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2021-12-15 12:30:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 12:30:08,915 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 12:30:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2021-12-15 12:30:08,916 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2021-12-15 12:30:08,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:30:08,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:30:08,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:30:08,916 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-15 12:30:08,916 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-15 12:30:08,916 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-12-15 12:30:08,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-12-15 12:30:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:30:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure my_memmove [2021-12-15 12:30:08,917 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memmove [2021-12-15 12:30:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2021-12-15 12:30:08,917 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2021-12-15 12:30:08,918 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2021-12-15 12:30:08,918 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2021-12-15 12:30:08,918 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2021-12-15 12:30:08,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2021-12-15 12:30:08,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:30:09,241 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:30:09,243 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:30:09,990 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:30:09,997 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:30:10,004 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:30:10,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:30:10 BoogieIcfgContainer [2021-12-15 12:30:10,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:30:10,009 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:30:10,012 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:30:10,018 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:30:10,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:30:06" (1/3) ... [2021-12-15 12:30:10,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6baca395 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:30:10, skipping insertion in model container [2021-12-15 12:30:10,019 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 12:30:10,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6baca395 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:30:10, skipping insertion in model container [2021-12-15 12:30:10,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:30:10" (3/3) ... [2021-12-15 12:30:10,023 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_erase_harness.i [2021-12-15 12:30:10,028 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:30:10,028 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:30:10,086 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:30:10,100 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 12:30:10,100 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:30:10,123 INFO L276 IsEmpty]: Start isEmpty. Operand has 248 states, 141 states have (on average 1.1914893617021276) internal successors, (168), 142 states have internal predecessors, (168), 86 states have call successors, (86), 19 states have call predecessors, (86), 19 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2021-12-15 12:30:10,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-12-15 12:30:10,135 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:30:10,136 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:30:10,136 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:30:10,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:30:10,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1159260553, now seen corresponding path program 1 times [2021-12-15 12:30:10,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 12:30:10,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700130968] [2021-12-15 12:30:10,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:30:10,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 12:30:10,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 12:30:10,273 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 12:30:10,278 INFO L158 Benchmark]: Toolchain (without parser) took 3697.80ms. Allocated memory was 94.4MB in the beginning and 151.0MB in the end (delta: 56.6MB). Free memory was 59.2MB in the beginning and 84.9MB in the end (delta: -25.7MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2021-12-15 12:30:10,278 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 77.6MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:30:10,279 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1956.25ms. Allocated memory was 94.4MB in the beginning and 115.3MB in the end (delta: 21.0MB). Free memory was 59.0MB in the beginning and 73.6MB in the end (delta: -14.5MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2021-12-15 12:30:10,279 INFO L158 Benchmark]: Boogie Procedure Inliner took 163.31ms. Allocated memory is still 115.3MB. Free memory was 73.6MB in the beginning and 64.3MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:30:10,280 INFO L158 Benchmark]: Boogie Preprocessor took 118.70ms. Allocated memory is still 115.3MB. Free memory was 64.3MB in the beginning and 58.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 12:30:10,280 INFO L158 Benchmark]: RCFGBuilder took 1185.39ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 57.4MB in the beginning and 98.7MB in the end (delta: -41.3MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2021-12-15 12:30:10,282 INFO L158 Benchmark]: TraceAbstraction took 267.73ms. Allocated memory is still 151.0MB. Free memory was 98.7MB in the beginning and 84.9MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 12:30:10,284 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 77.6MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1956.25ms. Allocated memory was 94.4MB in the beginning and 115.3MB in the end (delta: 21.0MB). Free memory was 59.0MB in the beginning and 73.6MB in the end (delta: -14.5MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 163.31ms. Allocated memory is still 115.3MB. Free memory was 73.6MB in the beginning and 64.3MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 118.70ms. Allocated memory is still 115.3MB. Free memory was 64.3MB in the beginning and 58.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1185.39ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 57.4MB in the beginning and 98.7MB in the end (delta: -41.3MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. * TraceAbstraction took 267.73ms. Allocated memory is still 151.0MB. Free memory was 98.7MB in the beginning and 84.9MB in the end (delta: 13.8MB). 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 12:30:10,308 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_erase_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 8b6d838964def4d11e7b735947c71f28c372f2bfcc6737eb555ad8684227244e --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:30:12,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:30:12,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:30:12,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:30:12,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:30:12,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:30:12,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:30:12,407 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:30:12,409 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:30:12,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:30:12,414 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:30:12,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:30:12,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:30:12,423 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:30:12,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:30:12,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:30:12,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:30:12,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:30:12,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:30:12,439 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:30:12,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:30:12,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:30:12,443 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:30:12,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:30:12,450 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:30:12,450 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:30:12,451 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:30:12,452 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:30:12,453 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:30:12,453 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:30:12,454 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:30:12,454 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:30:12,456 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:30:12,456 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:30:12,457 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:30:12,458 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:30:12,459 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:30:12,459 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:30:12,459 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:30:12,460 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:30:12,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:30:12,462 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:30:12,498 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:30:12,499 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:30:12,499 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:30:12,500 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:30:12,500 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:30:12,501 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:30:12,502 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:30:12,502 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:30:12,502 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:30:12,503 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:30:12,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:30:12,504 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:30:12,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:30:12,504 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:30:12,504 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:30:12,504 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:30:12,504 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:30:12,505 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:30:12,505 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:30:12,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:30:12,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:30:12,505 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:30:12,506 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:30:12,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:30:12,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:30:12,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:30:12,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:30:12,507 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:30:12,507 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:30:12,507 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:30:12,507 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:30:12,507 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:30:12,508 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:30:12,508 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:30:12,508 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b6d838964def4d11e7b735947c71f28c372f2bfcc6737eb555ad8684227244e [2021-12-15 12:30:12,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:30:12,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:30:12,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:30:12,857 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:30:12,857 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:30:12,859 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_erase_harness.i [2021-12-15 12:30:12,922 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e71a5027/6946f5d1413f461da794a7f79138f05e/FLAG15db6c9e9 [2021-12-15 12:30:13,672 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:30:13,673 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_erase_harness.i [2021-12-15 12:30:13,709 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e71a5027/6946f5d1413f461da794a7f79138f05e/FLAG15db6c9e9 [2021-12-15 12:30:13,941 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e71a5027/6946f5d1413f461da794a7f79138f05e [2021-12-15 12:30:13,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:30:13,945 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:30:13,948 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:30:13,948 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:30:13,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:30:13,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:30:13" (1/1) ... [2021-12-15 12:30:13,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31f248d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:13, skipping insertion in model container [2021-12-15 12:30:13,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:30:13" (1/1) ... [2021-12-15 12:30:13,960 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:30:14,048 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:30:14,303 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_erase_harness.i[4494,4507] [2021-12-15 12:30:14,310 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_erase_harness.i[4554,4567] [2021-12-15 12:30:14,963 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:30:15,062 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,063 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,063 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,066 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,067 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,095 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,096 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,097 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,097 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,098 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,099 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,100 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,100 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,403 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:30:15,404 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:30:15,405 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:30:15,405 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:30:15,407 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:30:15,407 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:30:15,408 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:30:15,408 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:30:15,411 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:30:15,411 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:30:15,516 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,519 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,525 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,525 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,528 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,529 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,533 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,548 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,603 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,604 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,607 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:30:15,644 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:30:15,689 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:30:15,701 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_erase_harness.i[4494,4507] [2021-12-15 12:30:15,702 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_erase_harness.i[4554,4567] [2021-12-15 12:30:15,733 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:30:15,742 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,745 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,745 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,745 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,746 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,750 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,751 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,753 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,753 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,754 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,754 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,755 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,755 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,799 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:30:15,801 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:30:15,802 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:30:15,803 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:30:15,805 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:30:15,806 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:30:15,806 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:30:15,806 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:30:15,807 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:30:15,807 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:30:15,829 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,830 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,831 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,831 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,832 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,832 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,833 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,836 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,859 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,861 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,861 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:30:15,873 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:30:15,893 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_erase_harness.i[4494,4507] [2021-12-15 12:30:15,894 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_erase_harness.i[4554,4567] [2021-12-15 12:30:15,918 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:30:15,941 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,942 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,942 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,942 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,943 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,946 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,946 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,947 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,948 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,965 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,966 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,967 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,967 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:15,993 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:30:15,993 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:30:15,994 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:30:15,994 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:30:15,995 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:30:15,995 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:30:15,996 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:30:15,996 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:30:15,996 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:30:15,997 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:30:16,029 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:16,029 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:16,030 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:16,031 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:16,032 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:16,032 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:16,033 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:16,041 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:16,071 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:16,080 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:30:16,081 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:30:16,273 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:30:16,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:16 WrapperNode [2021-12-15 12:30:16,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:30:16,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:30:16,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:30:16,276 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:30:16,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:16" (1/1) ... [2021-12-15 12:30:16,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:16" (1/1) ... [2021-12-15 12:30:16,502 INFO L137 Inliner]: procedures = 699, calls = 1681, calls flagged for inlining = 53, calls inlined = 12, statements flattened = 725 [2021-12-15 12:30:16,503 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:30:16,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:30:16,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:30:16,505 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:30:16,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:16" (1/1) ... [2021-12-15 12:30:16,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:16" (1/1) ... [2021-12-15 12:30:16,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:16" (1/1) ... [2021-12-15 12:30:16,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:16" (1/1) ... [2021-12-15 12:30:16,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:16" (1/1) ... [2021-12-15 12:30:16,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:16" (1/1) ... [2021-12-15 12:30:16,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:16" (1/1) ... [2021-12-15 12:30:16,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:30:16,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:30:16,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:30:16,633 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:30:16,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:16" (1/1) ... [2021-12-15 12:30:16,640 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:30:16,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:30:16,664 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 12:30:16,684 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 12:30:16,703 INFO L130 BoogieDeclarations]: Found specification of procedure memmove_impl [2021-12-15 12:30:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure memmove_impl [2021-12-15 12:30:16,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:30:16,704 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2021-12-15 12:30:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2021-12-15 12:30:16,704 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-12-15 12:30:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-12-15 12:30:16,704 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-15 12:30:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-15 12:30:16,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:30:16,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:30:16,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 12:30:16,705 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-15 12:30:16,705 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-15 12:30:16,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 12:30:16,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 12:30:16,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:30:16,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:30:16,705 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint8_t [2021-12-15 12:30:16,705 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint8_t [2021-12-15 12:30:16,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:30:16,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:30:16,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:30:16,705 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-15 12:30:16,705 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-15 12:30:16,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 12:30:16,706 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2021-12-15 12:30:16,706 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2021-12-15 12:30:16,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 12:30:16,706 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-12-15 12:30:16,706 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-12-15 12:30:16,706 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2021-12-15 12:30:16,706 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2021-12-15 12:30:16,706 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 12:30:16,706 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 12:30:16,706 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2021-12-15 12:30:16,706 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2021-12-15 12:30:16,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:30:16,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:30:16,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 12:30:16,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 12:30:16,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:30:16,707 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-15 12:30:16,707 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-15 12:30:16,707 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-12-15 12:30:16,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-12-15 12:30:16,707 INFO L130 BoogieDeclarations]: Found specification of procedure my_memmove [2021-12-15 12:30:16,707 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memmove [2021-12-15 12:30:16,708 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2021-12-15 12:30:16,708 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2021-12-15 12:30:16,708 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2021-12-15 12:30:16,708 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2021-12-15 12:30:16,708 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2021-12-15 12:30:16,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2021-12-15 12:30:16,997 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:30:17,006 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:30:19,075 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:30:19,097 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:30:19,097 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:30:19,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:30:19 BoogieIcfgContainer [2021-12-15 12:30:19,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:30:19,102 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:30:19,102 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:30:19,105 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:30:19,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:30:13" (1/3) ... [2021-12-15 12:30:19,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cb1db33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:30:19, skipping insertion in model container [2021-12-15 12:30:19,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:30:16" (2/3) ... [2021-12-15 12:30:19,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cb1db33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:30:19, skipping insertion in model container [2021-12-15 12:30:19,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:30:19" (3/3) ... [2021-12-15 12:30:19,114 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_erase_harness.i [2021-12-15 12:30:19,120 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:30:19,120 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:30:19,171 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:30:19,181 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 12:30:19,182 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:30:19,205 INFO L276 IsEmpty]: Start isEmpty. Operand has 248 states, 141 states have (on average 1.1914893617021276) internal successors, (168), 142 states have internal predecessors, (168), 86 states have call successors, (86), 19 states have call predecessors, (86), 19 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2021-12-15 12:30:19,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-12-15 12:30:19,216 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:30:19,217 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:30:19,217 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:30:19,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:30:19,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1159260553, now seen corresponding path program 1 times [2021-12-15 12:30:19,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 12:30:19,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1008080] [2021-12-15 12:30:19,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:30:19,238 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 12:30:19,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 12:30:19,241 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 12:30:19,242 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 12:30:19,368 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 12:30:19,565 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 12:30:19,566 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 12:30:19,569 INFO L158 Benchmark]: Toolchain (without parser) took 5623.48ms. Allocated memory was 50.3MB in the beginning and 178.3MB in the end (delta: 127.9MB). Free memory was 29.6MB in the beginning and 109.9MB in the end (delta: -80.3MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. [2021-12-15 12:30:19,569 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 50.3MB. Free memory was 31.6MB in the beginning and 31.6MB in the end (delta: 45.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:30:19,570 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2327.79ms. Allocated memory was 50.3MB in the beginning and 121.6MB in the end (delta: 71.3MB). Free memory was 29.5MB in the beginning and 63.7MB in the end (delta: -34.2MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2021-12-15 12:30:19,570 INFO L158 Benchmark]: Boogie Procedure Inliner took 227.05ms. Allocated memory is still 121.6MB. Free memory was 63.7MB in the beginning and 54.6MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 12:30:19,570 INFO L158 Benchmark]: Boogie Preprocessor took 116.07ms. Allocated memory is still 121.6MB. Free memory was 54.6MB in the beginning and 46.9MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 12:30:19,571 INFO L158 Benchmark]: RCFGBuilder took 2468.37ms. Allocated memory was 121.6MB in the beginning and 178.3MB in the end (delta: 56.6MB). Free memory was 76.0MB in the beginning and 127.3MB in the end (delta: -51.3MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2021-12-15 12:30:19,571 INFO L158 Benchmark]: TraceAbstraction took 465.63ms. Allocated memory is still 178.3MB. Free memory was 126.3MB in the beginning and 109.9MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 12:30:19,573 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 50.3MB. Free memory was 31.6MB in the beginning and 31.6MB in the end (delta: 45.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2327.79ms. Allocated memory was 50.3MB in the beginning and 121.6MB in the end (delta: 71.3MB). Free memory was 29.5MB in the beginning and 63.7MB in the end (delta: -34.2MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 227.05ms. Allocated memory is still 121.6MB. Free memory was 63.7MB in the beginning and 54.6MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 116.07ms. Allocated memory is still 121.6MB. Free memory was 54.6MB in the beginning and 46.9MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2468.37ms. Allocated memory was 121.6MB in the beginning and 178.3MB in the end (delta: 56.6MB). Free memory was 76.0MB in the beginning and 127.3MB in the end (delta: -51.3MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. * TraceAbstraction took 465.63ms. Allocated memory is still 178.3MB. Free memory was 126.3MB in the beginning and 109.9MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. 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 12:30:19,609 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