./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a6e7035c8f6176239a6155d5f2c0d89271e8311db2fdadeed7cf9912856a8711 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:32:43,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:32:43,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:32:43,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:32:43,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:32:43,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:32:43,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:32:43,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:32:43,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:32:43,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:32:43,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:32:43,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:32:43,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:32:43,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:32:43,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:32:43,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:32:43,447 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:32:43,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:32:43,451 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:32:43,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:32:43,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:32:43,457 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:32:43,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:32:43,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:32:43,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:32:43,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:32:43,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:32:43,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:32:43,465 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:32:43,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:32:43,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:32:43,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:32:43,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:32:43,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:32:43,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:32:43,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:32:43,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:32:43,470 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:32:43,470 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:32:43,471 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:32:43,471 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:32:43,472 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:32:43,501 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:32:43,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:32:43,502 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:32:43,502 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:32:43,503 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:32:43,503 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:32:43,503 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:32:43,503 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:32:43,503 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:32:43,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:32:43,504 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:32:43,504 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:32:43,505 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:32:43,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:32:43,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:32:43,505 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:32:43,505 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:32:43,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:32:43,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:32:43,506 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:32:43,506 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:32:43,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:32:43,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:32:43,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:32:43,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:32:43,507 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:32:43,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:32:43,508 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:32:43,508 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:32:43,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:32:43,508 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:32:43,508 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6e7035c8f6176239a6155d5f2c0d89271e8311db2fdadeed7cf9912856a8711 [2021-12-15 12:32:43,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:32:43,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:32:43,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:32:43,728 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:32:43,728 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:32:43,729 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i [2021-12-15 12:32:43,774 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5337d533/5e7bceaddf3c416db3770149a16519a8/FLAGe1d7232b8 [2021-12-15 12:32:44,356 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:32:44,357 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i [2021-12-15 12:32:44,386 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5337d533/5e7bceaddf3c416db3770149a16519a8/FLAGe1d7232b8 [2021-12-15 12:32:44,504 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5337d533/5e7bceaddf3c416db3770149a16519a8 [2021-12-15 12:32:44,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:32:44,509 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:32:44,510 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:32:44,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:32:44,512 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:32:44,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:32:44" (1/1) ... [2021-12-15 12:32:44,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6caab645 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:44, skipping insertion in model container [2021-12-15 12:32:44,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:32:44" (1/1) ... [2021-12-15 12:32:44,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:32:44,603 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:32:44,814 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_ring_buffer_clean_up_harness.i[4498,4511] [2021-12-15 12:32:44,819 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_ring_buffer_clean_up_harness.i[4558,4571] [2021-12-15 12:32:45,464 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:45,465 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:45,466 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:45,466 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:45,467 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:45,483 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:45,484 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:45,486 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:45,487 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:45,725 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:32:45,726 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:32:45,726 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:32:45,727 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:32:45,728 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:32:45,729 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:32:45,729 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:32:45,730 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:32:45,730 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:32:45,731 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:32:45,828 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:32:45,866 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:45,867 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:45,931 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:32:45,974 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:32:45,983 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_ring_buffer_clean_up_harness.i[4498,4511] [2021-12-15 12:32:45,984 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_ring_buffer_clean_up_harness.i[4558,4571] [2021-12-15 12:32:46,003 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:46,003 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:46,004 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:46,004 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:46,004 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:46,042 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:46,043 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:46,043 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:46,044 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:46,068 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:32:46,069 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:32:46,070 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:32:46,071 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:32:46,072 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:32:46,072 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:32:46,096 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:32:46,101 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:32:46,102 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:32:46,102 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:32:46,120 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:32:46,167 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:46,170 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:46,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:32:46,373 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:32:46,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:46 WrapperNode [2021-12-15 12:32:46,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:32:46,374 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:32:46,374 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:32:46,375 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:32:46,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:46" (1/1) ... [2021-12-15 12:32:46,481 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:46" (1/1) ... [2021-12-15 12:32:46,533 INFO L137 Inliner]: procedures = 691, calls = 2872, calls flagged for inlining = 57, calls inlined = 6, statements flattened = 813 [2021-12-15 12:32:46,533 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:32:46,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:32:46,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:32:46,534 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:32:46,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:46" (1/1) ... [2021-12-15 12:32:46,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:46" (1/1) ... [2021-12-15 12:32:46,551 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:46" (1/1) ... [2021-12-15 12:32:46,552 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:46" (1/1) ... [2021-12-15 12:32:46,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:46" (1/1) ... [2021-12-15 12:32:46,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:46" (1/1) ... [2021-12-15 12:32:46,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:46" (1/1) ... [2021-12-15 12:32:46,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:32:46,587 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:32:46,587 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:32:46,587 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:32:46,588 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:46" (1/1) ... [2021-12-15 12:32:46,610 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:32:46,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:32:46,647 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 12:32:46,652 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 12:32:46,675 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_store_n [2021-12-15 12:32:46,675 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2021-12-15 12:32:46,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:32:46,675 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2021-12-15 12:32:46,675 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2021-12-15 12:32:46,676 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 12:32:46,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 12:32:46,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:32:46,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:32:46,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:32:46,676 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2021-12-15 12:32:46,676 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2021-12-15 12:32:46,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:32:46,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:32:46,677 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-15 12:32:46,677 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-15 12:32:46,677 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2021-12-15 12:32:46,677 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2021-12-15 12:32:46,677 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2021-12-15 12:32:46,677 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2021-12-15 12:32:46,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 12:32:46,678 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 12:32:46,678 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 12:32:46,678 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 12:32:46,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:32:46,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:32:46,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:32:46,678 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2021-12-15 12:32:46,678 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2021-12-15 12:32:46,679 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-15 12:32:46,679 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-15 12:32:46,679 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-15 12:32:46,679 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-15 12:32:46,679 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2021-12-15 12:32:46,679 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2021-12-15 12:32:46,679 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2021-12-15 12:32:46,679 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2021-12-15 12:32:46,680 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2021-12-15 12:32:46,680 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2021-12-15 12:32:46,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:32:46,832 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:32:46,833 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:32:47,492 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:32:47,500 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:32:47,501 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-15 12:32:47,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:32:47 BoogieIcfgContainer [2021-12-15 12:32:47,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:32:47,504 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:32:47,504 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:32:47,506 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:32:47,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:32:44" (1/3) ... [2021-12-15 12:32:47,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@359a1294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:32:47, skipping insertion in model container [2021-12-15 12:32:47,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:46" (2/3) ... [2021-12-15 12:32:47,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@359a1294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:32:47, skipping insertion in model container [2021-12-15 12:32:47,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:32:47" (3/3) ... [2021-12-15 12:32:47,509 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_clean_up_harness.i [2021-12-15 12:32:47,512 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:32:47,513 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-15 12:32:47,555 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:32:47,570 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 12:32:47,570 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-15 12:32:47,598 INFO L276 IsEmpty]: Start isEmpty. Operand has 136 states, 88 states have (on average 1.2159090909090908) internal successors, (107), 89 states have internal predecessors, (107), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2021-12-15 12:32:47,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-15 12:32:47,602 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:32:47,603 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-12-15 12:32:47,603 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:32:47,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:32:47,607 INFO L85 PathProgramCache]: Analyzing trace with hash 612691976, now seen corresponding path program 1 times [2021-12-15 12:32:47,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 12:32:47,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887887166] [2021-12-15 12:32:47,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:32:47,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 12:32:47,708 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 12:32:47,710 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 12:32:47,718 INFO L158 Benchmark]: Toolchain (without parser) took 3207.71ms. Allocated memory was 111.1MB in the beginning and 218.1MB in the end (delta: 107.0MB). Free memory was 71.8MB in the beginning and 123.3MB in the end (delta: -51.5MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. [2021-12-15 12:32:47,718 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 111.1MB. Free memory was 66.4MB in the beginning and 66.3MB in the end (delta: 13.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:32:47,721 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1864.21ms. Allocated memory was 111.1MB in the beginning and 153.1MB in the end (delta: 41.9MB). Free memory was 71.5MB in the beginning and 99.9MB in the end (delta: -28.3MB). Peak memory consumption was 82.9MB. Max. memory is 16.1GB. [2021-12-15 12:32:47,722 INFO L158 Benchmark]: Boogie Procedure Inliner took 159.21ms. Allocated memory is still 153.1MB. Free memory was 99.9MB in the beginning and 88.4MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:32:47,723 INFO L158 Benchmark]: Boogie Preprocessor took 52.44ms. Allocated memory is still 153.1MB. Free memory was 88.4MB in the beginning and 81.0MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 12:32:47,723 INFO L158 Benchmark]: RCFGBuilder took 915.61ms. Allocated memory was 153.1MB in the beginning and 218.1MB in the end (delta: 65.0MB). Free memory was 81.0MB in the beginning and 136.9MB in the end (delta: -55.9MB). Peak memory consumption was 64.5MB. Max. memory is 16.1GB. [2021-12-15 12:32:47,723 INFO L158 Benchmark]: TraceAbstraction took 212.16ms. Allocated memory is still 218.1MB. Free memory was 136.9MB in the beginning and 123.3MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 12:32:47,730 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 111.1MB. Free memory was 66.4MB in the beginning and 66.3MB in the end (delta: 13.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1864.21ms. Allocated memory was 111.1MB in the beginning and 153.1MB in the end (delta: 41.9MB). Free memory was 71.5MB in the beginning and 99.9MB in the end (delta: -28.3MB). Peak memory consumption was 82.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 159.21ms. Allocated memory is still 153.1MB. Free memory was 99.9MB in the beginning and 88.4MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.44ms. Allocated memory is still 153.1MB. Free memory was 88.4MB in the beginning and 81.0MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 915.61ms. Allocated memory was 153.1MB in the beginning and 218.1MB in the end (delta: 65.0MB). Free memory was 81.0MB in the beginning and 136.9MB in the end (delta: -55.9MB). Peak memory consumption was 64.5MB. Max. memory is 16.1GB. * TraceAbstraction took 212.16ms. Allocated memory is still 218.1MB. Free memory was 136.9MB in the beginning and 123.3MB 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 12:32:47,762 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_ring_buffer_clean_up_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a6e7035c8f6176239a6155d5f2c0d89271e8311db2fdadeed7cf9912856a8711 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:32:49,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:32:49,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:32:49,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:32:49,503 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:32:49,505 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:32:49,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:32:49,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:32:49,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:32:49,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:32:49,517 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:32:49,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:32:49,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:32:49,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:32:49,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:32:49,524 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:32:49,524 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:32:49,525 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:32:49,528 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:32:49,533 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:32:49,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:32:49,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:32:49,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:32:49,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:32:49,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:32:49,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:32:49,542 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:32:49,544 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:32:49,544 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:32:49,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:32:49,545 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:32:49,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:32:49,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:32:49,547 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:32:49,548 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:32:49,548 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:32:49,548 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:32:49,549 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:32:49,549 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:32:49,550 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:32:49,550 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:32:49,551 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:32:49,582 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:32:49,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:32:49,583 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:32:49,583 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:32:49,584 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:32:49,584 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:32:49,585 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:32:49,585 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:32:49,585 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:32:49,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:32:49,586 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:32:49,586 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:32:49,586 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:32:49,586 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:32:49,586 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:32:49,587 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:32:49,587 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:32:49,587 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:32:49,587 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:32:49,587 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:32:49,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:32:49,588 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:32:49,588 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:32:49,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:32:49,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:32:49,588 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:32:49,588 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:32:49,588 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:32:49,588 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:32:49,589 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:32:49,589 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:32:49,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:32:49,589 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:32:49,589 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:32:49,589 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6e7035c8f6176239a6155d5f2c0d89271e8311db2fdadeed7cf9912856a8711 [2021-12-15 12:32:49,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:32:49,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:32:49,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:32:49,899 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:32:49,899 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:32:49,900 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i [2021-12-15 12:32:49,976 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0658b167c/21cf6015a16e4577bd8e8c4734c7a81e/FLAG74df4cbf6 [2021-12-15 12:32:50,717 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:32:50,717 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i [2021-12-15 12:32:50,767 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0658b167c/21cf6015a16e4577bd8e8c4734c7a81e/FLAG74df4cbf6 [2021-12-15 12:32:50,974 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0658b167c/21cf6015a16e4577bd8e8c4734c7a81e [2021-12-15 12:32:50,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:32:50,978 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:32:50,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:32:50,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:32:50,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:32:50,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:32:50" (1/1) ... [2021-12-15 12:32:50,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e1dd64c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:50, skipping insertion in model container [2021-12-15 12:32:50,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:32:50" (1/1) ... [2021-12-15 12:32:50,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:32:51,153 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:32:51,417 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_ring_buffer_clean_up_harness.i[4498,4511] [2021-12-15 12:32:51,421 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_ring_buffer_clean_up_harness.i[4558,4571] [2021-12-15 12:32:52,029 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:52,030 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:52,031 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:52,032 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:52,033 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:52,051 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:52,052 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:52,053 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:52,054 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:52,325 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:32:52,327 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:32:52,327 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:32:52,328 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:32:52,329 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:32:52,329 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:32:52,329 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:32:52,330 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:32:52,330 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:32:52,330 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:32:52,423 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:32:52,497 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:52,502 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:52,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:32:52,629 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:32:52,650 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:32:52,654 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_ring_buffer_clean_up_harness.i[4498,4511] [2021-12-15 12:32:52,654 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_ring_buffer_clean_up_harness.i[4558,4571] [2021-12-15 12:32:52,679 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:52,680 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:52,680 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:52,680 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:52,681 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:52,695 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:52,696 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:52,697 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:52,697 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:52,741 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:32:52,741 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:32:52,742 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:32:52,742 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:32:52,742 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:32:52,743 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:32:52,743 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:32:52,743 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:32:52,743 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:32:52,744 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:32:52,754 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:32:52,806 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:52,806 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:52,865 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:32:52,885 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:32:52,902 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_ring_buffer_clean_up_harness.i[4498,4511] [2021-12-15 12:32:52,903 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_ring_buffer_clean_up_harness.i[4558,4571] [2021-12-15 12:32:52,926 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:52,926 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:52,926 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:52,927 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:52,927 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:52,931 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:52,931 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:52,932 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:52,932 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:52,953 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-15 12:32:52,954 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-15 12:32:52,954 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-15 12:32:52,954 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-15 12:32:52,955 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-15 12:32:52,955 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-15 12:32:52,956 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-15 12:32:52,956 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-15 12:32:52,956 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-15 12:32:52,956 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-15 12:32:52,983 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-15 12:32:53,018 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:53,019 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-15 12:32:53,046 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:32:53,285 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:32:53,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:53 WrapperNode [2021-12-15 12:32:53,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:32:53,287 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:32:53,287 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:32:53,287 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:32:53,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:53" (1/1) ... [2021-12-15 12:32:53,366 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:53" (1/1) ... [2021-12-15 12:32:53,446 INFO L137 Inliner]: procedures = 711, calls = 2872, calls flagged for inlining = 57, calls inlined = 6, statements flattened = 814 [2021-12-15 12:32:53,447 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:32:53,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:32:53,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:32:53,449 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:32:53,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:53" (1/1) ... [2021-12-15 12:32:53,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:53" (1/1) ... [2021-12-15 12:32:53,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:53" (1/1) ... [2021-12-15 12:32:53,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:53" (1/1) ... [2021-12-15 12:32:53,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:53" (1/1) ... [2021-12-15 12:32:53,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:53" (1/1) ... [2021-12-15 12:32:53,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:53" (1/1) ... [2021-12-15 12:32:53,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:32:53,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:32:53,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:32:53,560 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:32:53,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:53" (1/1) ... [2021-12-15 12:32:53,565 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:32:53,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:32:53,581 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 12:32:53,597 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 12:32:53,620 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_store_n [2021-12-15 12:32:53,620 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2021-12-15 12:32:53,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:32:53,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:32:53,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:32:53,620 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2021-12-15 12:32:53,620 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2021-12-15 12:32:53,621 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 12:32:53,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 12:32:53,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:32:53,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:32:53,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:32:53,621 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2021-12-15 12:32:53,621 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2021-12-15 12:32:53,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:32:53,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:32:53,622 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-15 12:32:53,622 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-15 12:32:53,622 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2021-12-15 12:32:53,622 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2021-12-15 12:32:53,622 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2021-12-15 12:32:53,622 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2021-12-15 12:32:53,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 12:32:53,623 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 12:32:53,623 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 12:32:53,623 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 12:32:53,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:32:53,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:32:53,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:32:53,623 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2021-12-15 12:32:53,624 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2021-12-15 12:32:53,624 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-15 12:32:53,624 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-15 12:32:53,624 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-15 12:32:53,624 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-15 12:32:53,624 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2021-12-15 12:32:53,624 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2021-12-15 12:32:53,625 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2021-12-15 12:32:53,625 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2021-12-15 12:32:53,625 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2021-12-15 12:32:53,625 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2021-12-15 12:32:53,790 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:32:53,791 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:32:54,432 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:32:54,442 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:32:54,442 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-15 12:32:54,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:32:54 BoogieIcfgContainer [2021-12-15 12:32:54,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:32:54,446 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:32:54,446 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:32:54,448 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:32:54,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:32:50" (1/3) ... [2021-12-15 12:32:54,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@754437a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:32:54, skipping insertion in model container [2021-12-15 12:32:54,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:32:53" (2/3) ... [2021-12-15 12:32:54,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@754437a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:32:54, skipping insertion in model container [2021-12-15 12:32:54,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:32:54" (3/3) ... [2021-12-15 12:32:54,453 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_clean_up_harness.i [2021-12-15 12:32:54,457 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:32:54,458 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-15 12:32:54,513 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:32:54,518 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 12:32:54,519 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-15 12:32:54,535 INFO L276 IsEmpty]: Start isEmpty. Operand has 136 states, 88 states have (on average 1.2159090909090908) internal successors, (107), 89 states have internal predecessors, (107), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2021-12-15 12:32:54,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-15 12:32:54,540 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:32:54,541 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-12-15 12:32:54,542 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:32:54,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:32:54,545 INFO L85 PathProgramCache]: Analyzing trace with hash 612691976, now seen corresponding path program 1 times [2021-12-15 12:32:54,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 12:32:54,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [755460763] [2021-12-15 12:32:54,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:32:54,558 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 12:32:54,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 12:32:54,593 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 12:32:54,594 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 12:32:54,698 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 12:32:54,887 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 12:32:54,888 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 12:32:54,891 INFO L158 Benchmark]: Toolchain (without parser) took 3914.30ms. Allocated memory was 65.0MB in the beginning and 245.4MB in the end (delta: 180.4MB). Free memory was 35.3MB in the beginning and 135.5MB in the end (delta: -100.2MB). Peak memory consumption was 79.0MB. Max. memory is 16.1GB. [2021-12-15 12:32:54,892 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory was 46.8MB in the beginning and 46.8MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:32:54,892 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2307.68ms. Allocated memory was 65.0MB in the beginning and 142.6MB in the end (delta: 77.6MB). Free memory was 35.0MB in the beginning and 63.7MB in the end (delta: -28.7MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. [2021-12-15 12:32:54,893 INFO L158 Benchmark]: Boogie Procedure Inliner took 160.41ms. Allocated memory is still 142.6MB. Free memory was 63.7MB in the beginning and 82.6MB in the end (delta: -18.9MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2021-12-15 12:32:54,893 INFO L158 Benchmark]: Boogie Preprocessor took 110.79ms. Allocated memory is still 142.6MB. Free memory was 82.6MB in the beginning and 83.4MB in the end (delta: -723.0kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 12:32:54,894 INFO L158 Benchmark]: RCFGBuilder took 885.63ms. Allocated memory was 142.6MB in the beginning and 245.4MB in the end (delta: 102.8MB). Free memory was 83.4MB in the beginning and 152.0MB in the end (delta: -68.6MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2021-12-15 12:32:54,894 INFO L158 Benchmark]: TraceAbstraction took 444.01ms. Allocated memory is still 245.4MB. Free memory was 152.0MB in the beginning and 135.5MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 12:32:54,896 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory was 46.8MB in the beginning and 46.8MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2307.68ms. Allocated memory was 65.0MB in the beginning and 142.6MB in the end (delta: 77.6MB). Free memory was 35.0MB in the beginning and 63.7MB in the end (delta: -28.7MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 160.41ms. Allocated memory is still 142.6MB. Free memory was 63.7MB in the beginning and 82.6MB in the end (delta: -18.9MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 110.79ms. Allocated memory is still 142.6MB. Free memory was 82.6MB in the beginning and 83.4MB in the end (delta: -723.0kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 885.63ms. Allocated memory was 142.6MB in the beginning and 245.4MB in the end (delta: 102.8MB). Free memory was 83.4MB in the beginning and 152.0MB in the end (delta: -68.6MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. * TraceAbstraction took 444.01ms. Allocated memory is still 245.4MB. Free memory was 152.0MB in the beginning and 135.5MB in the end (delta: 16.5MB). 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 12:32:54,932 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