./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness-1.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_priority_queue_init_dynamic_harness-1.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 f4db5fb03820aea666082345ea177387bf1c218ce33dad19402cb646ed5abf58 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:32:25,566 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:32:25,568 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:32:25,612 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:32:25,612 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:32:25,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:32:25,616 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:32:25,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:32:25,620 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:32:25,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:32:25,625 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:32:25,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:32:25,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:32:25,629 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:32:25,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:32:25,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:32:25,640 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:32:25,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:32:25,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:32:25,642 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:32:25,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:32:25,645 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:32:25,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:32:25,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:32:25,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:32:25,649 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:32:25,650 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:32:25,651 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:32:25,651 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:32:25,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:32:25,652 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:32:25,652 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:32:25,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:32:25,653 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:32:25,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:32:25,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:32:25,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:32:25,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:32:25,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:32:25,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:32:25,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:32:25,658 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:32:25,677 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:32:25,680 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:32:25,680 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:32:25,680 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:32:25,681 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:32:25,681 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:32:25,682 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:32:25,682 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:32:25,682 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:32:25,682 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:32:25,683 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:32:25,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:32:25,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:32:25,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:32:25,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:32:25,683 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:32:25,684 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:32:25,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:32:25,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:32:25,684 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:32:25,684 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:32:25,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:32:25,684 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:32:25,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:32:25,685 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:32:25,685 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:32:25,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:32:25,685 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:32:25,685 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:32:25,686 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:32:25,686 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:32:25,686 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4db5fb03820aea666082345ea177387bf1c218ce33dad19402cb646ed5abf58 [2021-12-15 12:32:25,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:32:25,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:32:25,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:32:25,917 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:32:25,918 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:32:25,919 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness-1.i [2021-12-15 12:32:25,969 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/626c99dda/204784a1d14a4bf6aaf258f1100608c1/FLAG2a8b5ec7d [2021-12-15 12:32:26,514 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:32:26,514 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness-1.i [2021-12-15 12:32:26,547 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/626c99dda/204784a1d14a4bf6aaf258f1100608c1/FLAG2a8b5ec7d [2021-12-15 12:32:26,698 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/626c99dda/204784a1d14a4bf6aaf258f1100608c1 [2021-12-15 12:32:26,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:32:26,702 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:32:26,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:32:26,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:32:26,706 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:32:26,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:32:26" (1/1) ... [2021-12-15 12:32:26,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57e63718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:26, skipping insertion in model container [2021-12-15 12:32:26,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:32:26" (1/1) ... [2021-12-15 12:32:26,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:32:26,780 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:32:26,952 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_priority_queue_init_dynamic_harness-1.i[4505,4518] [2021-12-15 12:32:26,957 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_priority_queue_init_dynamic_harness-1.i[4565,4578] [2021-12-15 12:32:27,469 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:32:27,522 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:27,523 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:27,523 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:27,524 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:27,526 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:27,540 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:27,540 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:27,541 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:27,542 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:27,722 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:32:27,722 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:32:27,723 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:32:27,724 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:32:27,725 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:32:27,725 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:32:27,726 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:32:27,727 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:32:27,727 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:32:27,730 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:32:27,833 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:27,833 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:27,871 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:32:27,893 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:32:27,901 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_priority_queue_init_dynamic_harness-1.i[4505,4518] [2021-12-15 12:32:27,902 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_priority_queue_init_dynamic_harness-1.i[4565,4578] [2021-12-15 12:32:27,956 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:32:27,963 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:27,963 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:27,964 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:27,964 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:27,964 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:27,967 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:27,968 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:27,968 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:27,969 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:27,985 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:32:27,990 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:32:27,991 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:32:27,991 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:32:27,992 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:32:27,992 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:32:27,993 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:32:27,993 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:32:27,994 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:32:27,995 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:32:28,027 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:28,029 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:28,050 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:32:28,205 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:32:28,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:28 WrapperNode [2021-12-15 12:32:28,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:32:28,206 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:32:28,206 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:32:28,207 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:32:28,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:28" (1/1) ... [2021-12-15 12:32:28,283 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:28" (1/1) ... [2021-12-15 12:32:28,341 INFO L137 Inliner]: procedures = 689, calls = 1517, calls flagged for inlining = 52, calls inlined = 9, statements flattened = 742 [2021-12-15 12:32:28,342 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:32:28,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:32:28,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:32:28,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:32:28,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:28" (1/1) ... [2021-12-15 12:32:28,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:28" (1/1) ... [2021-12-15 12:32:28,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:28" (1/1) ... [2021-12-15 12:32:28,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:28" (1/1) ... [2021-12-15 12:32:28,400 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:28" (1/1) ... [2021-12-15 12:32:28,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:28" (1/1) ... [2021-12-15 12:32:28,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:28" (1/1) ... [2021-12-15 12:32:28,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:32:28,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:32:28,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:32:28,434 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:32:28,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:28" (1/1) ... [2021-12-15 12:32:28,452 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:32:28,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:32:28,497 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 12:32:28,524 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 12:32:28,551 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2021-12-15 12:32:28,552 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2021-12-15 12:32:28,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:32:28,552 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-12-15 12:32:28,552 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-12-15 12:32:28,553 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-15 12:32:28,553 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-15 12:32:28,553 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2021-12-15 12:32:28,553 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2021-12-15 12:32:28,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:32:28,554 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-15 12:32:28,555 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-15 12:32:28,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 12:32:28,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 12:32:28,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:32:28,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:32:28,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:32:28,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:32:28,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:32:28,557 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-15 12:32:28,557 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-15 12:32:28,557 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2021-12-15 12:32:28,557 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2021-12-15 12:32:28,557 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-12-15 12:32:28,557 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-12-15 12:32:28,557 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2021-12-15 12:32:28,558 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2021-12-15 12:32:28,558 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2021-12-15 12:32:28,558 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2021-12-15 12:32:28,558 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 12:32:28,558 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 12:32:28,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:32:28,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:32:28,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:32:28,559 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-15 12:32:28,560 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-15 12:32:28,560 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-12-15 12:32:28,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-12-15 12:32:28,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:32:28,560 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2021-12-15 12:32:28,560 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2021-12-15 12:32:28,560 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2021-12-15 12:32:28,561 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2021-12-15 12:32:28,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:32:28,835 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:32:28,837 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:32:29,335 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:32:29,345 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:32:29,345 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-15 12:32:29,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:32:29 BoogieIcfgContainer [2021-12-15 12:32:29,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:32:29,349 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:32:29,349 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:32:29,351 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:32:29,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:32:26" (1/3) ... [2021-12-15 12:32:29,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75e8f82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:32:29, skipping insertion in model container [2021-12-15 12:32:29,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:28" (2/3) ... [2021-12-15 12:32:29,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75e8f82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:32:29, skipping insertion in model container [2021-12-15 12:32:29,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:32:29" (3/3) ... [2021-12-15 12:32:29,354 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_init_dynamic_harness-1.i [2021-12-15 12:32:29,358 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:32:29,358 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:32:29,396 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:32:29,407 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 12:32:29,408 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:32:29,425 INFO L276 IsEmpty]: Start isEmpty. Operand has 205 states, 133 states have (on average 1.255639097744361) internal successors, (167), 133 states have internal predecessors, (167), 56 states have call successors, (56), 16 states have call predecessors, (56), 16 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2021-12-15 12:32:29,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-12-15 12:32:29,435 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:32:29,436 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:32:29,436 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:32:29,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:32:29,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1293047729, now seen corresponding path program 1 times [2021-12-15 12:32:29,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 12:32:29,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041968009] [2021-12-15 12:32:29,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:32:29,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 12:32:29,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 12:32:29,540 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 12:32:29,547 INFO L158 Benchmark]: Toolchain (without parser) took 2843.13ms. Allocated memory was 109.1MB in the beginning and 165.7MB in the end (delta: 56.6MB). Free memory was 71.3MB in the beginning and 99.1MB in the end (delta: -27.9MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2021-12-15 12:32:29,548 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 77.6MB. Free memory was 34.7MB in the beginning and 34.7MB in the end (delta: 36.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:32:29,548 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1501.81ms. Allocated memory was 109.1MB in the beginning and 165.7MB in the end (delta: 56.6MB). Free memory was 70.6MB in the beginning and 104.5MB in the end (delta: -33.9MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2021-12-15 12:32:29,549 INFO L158 Benchmark]: Boogie Procedure Inliner took 135.55ms. Allocated memory is still 165.7MB. Free memory was 104.5MB in the beginning and 96.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 12:32:29,551 INFO L158 Benchmark]: Boogie Preprocessor took 86.04ms. Allocated memory is still 165.7MB. Free memory was 96.1MB in the beginning and 89.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 12:32:29,552 INFO L158 Benchmark]: RCFGBuilder took 913.88ms. Allocated memory is still 165.7MB. Free memory was 89.8MB in the beginning and 113.8MB in the end (delta: -24.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2021-12-15 12:32:29,553 INFO L158 Benchmark]: TraceAbstraction took 196.19ms. Allocated memory is still 165.7MB. Free memory was 112.8MB in the beginning and 99.1MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 12:32:29,556 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 77.6MB. Free memory was 34.7MB in the beginning and 34.7MB in the end (delta: 36.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1501.81ms. Allocated memory was 109.1MB in the beginning and 165.7MB in the end (delta: 56.6MB). Free memory was 70.6MB in the beginning and 104.5MB in the end (delta: -33.9MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 135.55ms. Allocated memory is still 165.7MB. Free memory was 104.5MB in the beginning and 96.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.04ms. Allocated memory is still 165.7MB. Free memory was 96.1MB in the beginning and 89.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 913.88ms. Allocated memory is still 165.7MB. Free memory was 89.8MB in the beginning and 113.8MB in the end (delta: -24.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * TraceAbstraction took 196.19ms. Allocated memory is still 165.7MB. Free memory was 112.8MB in the beginning and 99.1MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. 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 12:32:29,585 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_priority_queue_init_dynamic_harness-1.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 f4db5fb03820aea666082345ea177387bf1c218ce33dad19402cb646ed5abf58 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:32:31,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:32:31,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:32:31,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:32:31,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:32:31,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:32:31,227 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:32:31,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:32:31,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:32:31,230 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:32:31,231 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:32:31,240 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:32:31,240 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:32:31,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:32:31,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:32:31,254 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:32:31,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:32:31,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:32:31,258 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:32:31,262 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:32:31,265 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:32:31,266 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:32:31,267 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:32:31,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:32:31,272 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:32:31,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:32:31,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:32:31,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:32:31,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:32:31,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:32:31,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:32:31,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:32:31,279 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:32:31,280 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:32:31,281 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:32:31,281 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:32:31,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:32:31,282 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:32:31,282 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:32:31,283 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:32:31,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:32:31,287 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:32:31,315 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:32:31,316 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:32:31,317 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:32:31,317 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:32:31,317 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:32:31,318 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:32:31,318 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:32:31,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:32:31,319 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:32:31,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:32:31,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:32:31,320 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:32:31,320 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:32:31,320 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:32:31,321 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:32:31,321 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:32:31,321 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:32:31,321 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:32:31,321 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:32:31,321 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:32:31,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:32:31,322 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:32:31,322 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:32:31,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:32:31,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:32:31,322 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:32:31,323 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:32:31,323 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:32:31,323 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:32:31,323 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:32:31,323 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:32:31,323 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:32:31,324 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:32:31,324 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:32:31,324 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4db5fb03820aea666082345ea177387bf1c218ce33dad19402cb646ed5abf58 [2021-12-15 12:32:31,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:32:31,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:32:31,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:32:31,620 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:32:31,620 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:32:31,621 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness-1.i [2021-12-15 12:32:31,670 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5a92b485/15cdc9fb6b9b4dd08bf6cd2f4dee6426/FLAG217f77fdb [2021-12-15 12:32:32,223 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:32:32,224 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness-1.i [2021-12-15 12:32:32,248 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5a92b485/15cdc9fb6b9b4dd08bf6cd2f4dee6426/FLAG217f77fdb [2021-12-15 12:32:32,692 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5a92b485/15cdc9fb6b9b4dd08bf6cd2f4dee6426 [2021-12-15 12:32:32,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:32:32,695 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:32:32,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:32:32,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:32:32,698 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:32:32,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:32:32" (1/1) ... [2021-12-15 12:32:32,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc34810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:32, skipping insertion in model container [2021-12-15 12:32:32,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:32:32" (1/1) ... [2021-12-15 12:32:32,704 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:32:32,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:32:32,949 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_priority_queue_init_dynamic_harness-1.i[4505,4518] [2021-12-15 12:32:32,954 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_priority_queue_init_dynamic_harness-1.i[4565,4578] [2021-12-15 12:32:33,373 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:32:33,421 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:33,426 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:33,427 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:33,428 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:33,431 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:33,445 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:33,449 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:33,451 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:33,452 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:33,662 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:32:33,663 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:32:33,664 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:32:33,667 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:32:33,668 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:32:33,669 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:32:33,669 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:32:33,672 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:32:33,673 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:32:33,673 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:32:33,744 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:33,744 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:33,776 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:32:33,798 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:32:33,831 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:32:33,834 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_priority_queue_init_dynamic_harness-1.i[4505,4518] [2021-12-15 12:32:33,834 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_priority_queue_init_dynamic_harness-1.i[4565,4578] [2021-12-15 12:32:33,852 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:32:33,861 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:33,862 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:33,862 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:33,862 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:33,863 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:33,867 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:33,867 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:33,868 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:33,868 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:33,909 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:32:33,910 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:32:33,910 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:32:33,911 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:32:33,911 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:32:33,912 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:32:33,912 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:32:33,912 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:32:33,913 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:32:33,913 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:32:33,950 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:33,951 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:33,968 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:32:33,978 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:32:33,997 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_priority_queue_init_dynamic_harness-1.i[4505,4518] [2021-12-15 12:32:33,998 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_priority_queue_init_dynamic_harness-1.i[4565,4578] [2021-12-15 12:32:34,020 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:32:34,057 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,058 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,058 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,058 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,059 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,062 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,063 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,063 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,064 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,084 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:32:34,084 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:32:34,085 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:32:34,085 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:32:34,086 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:32:34,086 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:32:34,086 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:32:34,087 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:32:34,087 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:32:34,088 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:32:34,120 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,120 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:34,143 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:32:34,405 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:32:34,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:34 WrapperNode [2021-12-15 12:32:34,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:32:34,419 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:32:34,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:32:34,420 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:32:34,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:34" (1/1) ... [2021-12-15 12:32:34,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:34" (1/1) ... [2021-12-15 12:32:34,557 INFO L137 Inliner]: procedures = 709, calls = 1517, calls flagged for inlining = 52, calls inlined = 9, statements flattened = 736 [2021-12-15 12:32:34,558 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:32:34,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:32:34,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:32:34,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:32:34,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:34" (1/1) ... [2021-12-15 12:32:34,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:34" (1/1) ... [2021-12-15 12:32:34,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:34" (1/1) ... [2021-12-15 12:32:34,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:34" (1/1) ... [2021-12-15 12:32:34,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:34" (1/1) ... [2021-12-15 12:32:34,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:34" (1/1) ... [2021-12-15 12:32:34,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:34" (1/1) ... [2021-12-15 12:32:34,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:32:34,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:32:34,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:32:34,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:32:34,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:34" (1/1) ... [2021-12-15 12:32:34,655 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:32:34,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:32:34,674 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 12:32:34,697 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 12:32:34,699 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2021-12-15 12:32:34,699 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2021-12-15 12:32:34,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:32:34,699 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-12-15 12:32:34,699 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-12-15 12:32:34,699 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-15 12:32:34,699 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-15 12:32:34,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:32:34,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:32:34,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 12:32:34,700 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2021-12-15 12:32:34,700 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2021-12-15 12:32:34,700 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-15 12:32:34,700 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-15 12:32:34,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 12:32:34,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 12:32:34,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:32:34,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:32:34,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:32:34,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:32:34,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:32:34,702 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-15 12:32:34,702 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-15 12:32:34,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 12:32:34,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 12:32:34,702 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2021-12-15 12:32:34,703 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2021-12-15 12:32:34,703 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-12-15 12:32:34,703 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-12-15 12:32:34,703 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2021-12-15 12:32:34,703 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2021-12-15 12:32:34,703 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2021-12-15 12:32:34,704 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2021-12-15 12:32:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 12:32:34,704 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 12:32:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:32:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:32:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 12:32:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 12:32:34,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:32:34,705 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-15 12:32:34,705 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-15 12:32:34,706 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-12-15 12:32:34,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-12-15 12:32:34,708 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2021-12-15 12:32:34,709 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2021-12-15 12:32:34,709 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2021-12-15 12:32:34,709 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2021-12-15 12:32:35,027 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:32:35,028 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:32:36,404 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:32:36,415 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:32:36,417 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-15 12:32:36,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:32:36 BoogieIcfgContainer [2021-12-15 12:32:36,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:32:36,420 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:32:36,420 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:32:36,421 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:32:36,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:32:32" (1/3) ... [2021-12-15 12:32:36,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7989379e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:32:36, skipping insertion in model container [2021-12-15 12:32:36,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:34" (2/3) ... [2021-12-15 12:32:36,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7989379e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:32:36, skipping insertion in model container [2021-12-15 12:32:36,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:32:36" (3/3) ... [2021-12-15 12:32:36,424 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_init_dynamic_harness-1.i [2021-12-15 12:32:36,428 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:32:36,428 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:32:36,473 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:32:36,480 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 12:32:36,480 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:32:36,496 INFO L276 IsEmpty]: Start isEmpty. Operand has 203 states, 131 states have (on average 1.2595419847328244) internal successors, (165), 131 states have internal predecessors, (165), 56 states have call successors, (56), 16 states have call predecessors, (56), 16 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2021-12-15 12:32:36,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-12-15 12:32:36,507 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:32:36,508 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:32:36,509 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:32:36,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:32:36,512 INFO L85 PathProgramCache]: Analyzing trace with hash -75346947, now seen corresponding path program 1 times [2021-12-15 12:32:36,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 12:32:36,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [200356211] [2021-12-15 12:32:36,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:32:36,525 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 12:32:36,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 12:32:36,527 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 12:32:36,565 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 12:32:36,627 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 12:32:36,825 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 12:32:36,826 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 12:32:36,831 INFO L158 Benchmark]: Toolchain (without parser) took 4135.67ms. Allocated memory was 54.5MB in the beginning and 174.1MB in the end (delta: 119.5MB). Free memory was 35.4MB in the beginning and 70.9MB in the end (delta: -35.5MB). Peak memory consumption was 85.7MB. Max. memory is 16.1GB. [2021-12-15 12:32:36,832 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory was 35.7MB in the beginning and 35.7MB in the end (delta: 33.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:32:36,833 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1722.87ms. Allocated memory was 54.5MB in the beginning and 174.1MB in the end (delta: 119.5MB). Free memory was 35.3MB in the beginning and 110.7MB in the end (delta: -75.4MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2021-12-15 12:32:36,833 INFO L158 Benchmark]: Boogie Procedure Inliner took 138.64ms. Allocated memory is still 174.1MB. Free memory was 110.7MB in the beginning and 101.1MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 12:32:36,834 INFO L158 Benchmark]: Boogie Preprocessor took 89.96ms. Allocated memory is still 174.1MB. Free memory was 101.1MB in the beginning and 93.9MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 12:32:36,835 INFO L158 Benchmark]: RCFGBuilder took 1769.46ms. Allocated memory is still 174.1MB. Free memory was 93.9MB in the beginning and 86.9MB in the end (delta: 6.9MB). Peak memory consumption was 44.6MB. Max. memory is 16.1GB. [2021-12-15 12:32:36,835 INFO L158 Benchmark]: TraceAbstraction took 410.39ms. Allocated memory is still 174.1MB. Free memory was 86.9MB in the beginning and 70.9MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 12:32:36,837 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory was 35.7MB in the beginning and 35.7MB in the end (delta: 33.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1722.87ms. Allocated memory was 54.5MB in the beginning and 174.1MB in the end (delta: 119.5MB). Free memory was 35.3MB in the beginning and 110.7MB in the end (delta: -75.4MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 138.64ms. Allocated memory is still 174.1MB. Free memory was 110.7MB in the beginning and 101.1MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.96ms. Allocated memory is still 174.1MB. Free memory was 101.1MB in the beginning and 93.9MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1769.46ms. Allocated memory is still 174.1MB. Free memory was 93.9MB in the beginning and 86.9MB in the end (delta: 6.9MB). Peak memory consumption was 44.6MB. Max. memory is 16.1GB. * TraceAbstraction took 410.39ms. Allocated memory is still 174.1MB. Free memory was 86.9MB in the beginning and 70.9MB in the end (delta: 16.1MB). 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 12:32:36,869 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