./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_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 ccc87605c4556c18c172bc882c4bc58637928d3f75ad69e0a339ead8d6093a78 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 22:57:16,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 22:57:16,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 22:57:16,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 22:57:16,533 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 22:57:16,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 22:57:16,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 22:57:16,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 22:57:16,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 22:57:16,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 22:57:16,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 22:57:16,549 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 22:57:16,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 22:57:16,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 22:57:16,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 22:57:16,551 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 22:57:16,553 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 22:57:16,553 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 22:57:16,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 22:57:16,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 22:57:16,561 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 22:57:16,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 22:57:16,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 22:57:16,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 22:57:16,564 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 22:57:16,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 22:57:16,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 22:57:16,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 22:57:16,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 22:57:16,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 22:57:16,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 22:57:16,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 22:57:16,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 22:57:16,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 22:57:16,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 22:57:16,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 22:57:16,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 22:57:16,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 22:57:16,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 22:57:16,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 22:57:16,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 22:57:16,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 22:57:16,576 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-13 22:57:16,597 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 22:57:16,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 22:57:16,598 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 22:57:16,598 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 22:57:16,598 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 22:57:16,599 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 22:57:16,599 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 22:57:16,599 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 22:57:16,599 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 22:57:16,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 22:57:16,600 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 22:57:16,600 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 22:57:16,600 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 22:57:16,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 22:57:16,601 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 22:57:16,601 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 22:57:16,601 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 22:57:16,601 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 22:57:16,601 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 22:57:16,601 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 22:57:16,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 22:57:16,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 22:57:16,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 22:57:16,602 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 22:57:16,602 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 22:57:16,602 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 22:57:16,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 22:57:16,603 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 22:57:16,603 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 22:57:16,603 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 22:57:16,603 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ccc87605c4556c18c172bc882c4bc58637928d3f75ad69e0a339ead8d6093a78 [2022-07-13 22:57:16,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 22:57:16,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 22:57:16,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 22:57:16,821 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 22:57:16,822 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 22:57:16,822 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i [2022-07-13 22:57:16,879 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03641e785/a72377956b284d7c92af4b30a35c0d03/FLAG8f0a5d0f4 [2022-07-13 22:57:17,361 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 22:57:17,361 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i [2022-07-13 22:57:17,384 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03641e785/a72377956b284d7c92af4b30a35c0d03/FLAG8f0a5d0f4 [2022-07-13 22:57:17,397 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03641e785/a72377956b284d7c92af4b30a35c0d03 [2022-07-13 22:57:17,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 22:57:17,399 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 22:57:17,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 22:57:17,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 22:57:17,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 22:57:17,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 10:57:17" (1/1) ... [2022-07-13 22:57:17,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e27b821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:57:17, skipping insertion in model container [2022-07-13 22:57:17,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 10:57:17" (1/1) ... [2022-07-13 22:57:17,409 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 22:57:17,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 22:57:17,675 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_init_harness.i[4494,4507] [2022-07-13 22:57:17,680 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_init_harness.i[4554,4567] [2022-07-13 22:57:18,128 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:57:18,128 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:57:18,129 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:57:18,129 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:57:18,130 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:57:18,138 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:57:18,139 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:57:18,140 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:57:18,140 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:57:18,142 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:57:18,143 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:57:18,143 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:57:18,143 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:57:18,347 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-13 22:57:18,348 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-13 22:57:18,349 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-13 22:57:18,350 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-13 22:57:18,350 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-13 22:57:18,351 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-13 22:57:18,351 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-13 22:57:18,352 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-13 22:57:18,352 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-13 22:57:18,354 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-13 22:57:18,435 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-13 22:57:18,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 22:57:18,559 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 22:57:18,582 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_init_harness.i[4494,4507] [2022-07-13 22:57:18,582 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_init_harness.i[4554,4567] [2022-07-13 22:57:18,602 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:57:18,603 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:57:18,603 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:57:18,603 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:57:18,604 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:57:18,607 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:57:18,607 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:57:18,608 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:57:18,608 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:57:18,609 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:57:18,609 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:57:18,609 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:57:18,610 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:57:18,629 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-13 22:57:18,630 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-13 22:57:18,630 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-13 22:57:18,634 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-13 22:57:18,635 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-13 22:57:18,635 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-13 22:57:18,636 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-13 22:57:18,636 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-13 22:57:18,636 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-13 22:57:18,637 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-13 22:57:18,652 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-13 22:57:18,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 22:57:18,837 INFO L208 MainTranslator]: Completed translation [2022-07-13 22:57:18,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:57:18 WrapperNode [2022-07-13 22:57:18,838 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 22:57:18,839 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 22:57:18,839 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 22:57:18,839 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 22:57:18,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:57:18" (1/1) ... [2022-07-13 22:57:18,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:57:18" (1/1) ... [2022-07-13 22:57:18,966 INFO L137 Inliner]: procedures = 689, calls = 1511, calls flagged for inlining = 49, calls inlined = 7, statements flattened = 568 [2022-07-13 22:57:18,966 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 22:57:18,967 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 22:57:18,967 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 22:57:18,968 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 22:57:18,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:57:18" (1/1) ... [2022-07-13 22:57:18,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:57:18" (1/1) ... [2022-07-13 22:57:18,980 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:57:18" (1/1) ... [2022-07-13 22:57:18,981 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:57:18" (1/1) ... [2022-07-13 22:57:19,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:57:18" (1/1) ... [2022-07-13 22:57:19,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:57:18" (1/1) ... [2022-07-13 22:57:19,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:57:18" (1/1) ... [2022-07-13 22:57:19,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 22:57:19,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 22:57:19,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 22:57:19,042 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 22:57:19,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:57:18" (1/1) ... [2022-07-13 22:57:19,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 22:57:19,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:57:19,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-13 22:57:19,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-13 22:57:19,145 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2022-07-13 22:57:19,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 22:57:19,146 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-07-13 22:57:19,146 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-07-13 22:57:19,146 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2022-07-13 22:57:19,147 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2022-07-13 22:57:19,147 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2022-07-13 22:57:19,147 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2022-07-13 22:57:19,148 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_init_ptr [2022-07-13 22:57:19,148 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_init_ptr [2022-07-13 22:57:19,148 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-07-13 22:57:19,149 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-07-13 22:57:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-07-13 22:57:19,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-07-13 22:57:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-13 22:57:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 22:57:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-13 22:57:19,150 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2022-07-13 22:57:19,150 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2022-07-13 22:57:19,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 22:57:19,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 22:57:19,150 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-07-13 22:57:19,151 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-07-13 22:57:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-07-13 22:57:19,151 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-07-13 22:57:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-13 22:57:19,151 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-13 22:57:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-13 22:57:19,152 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-13 22:57:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2022-07-13 22:57:19,152 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2022-07-13 22:57:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 22:57:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-13 22:57:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-13 22:57:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2022-07-13 22:57:19,153 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2022-07-13 22:57:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-07-13 22:57:19,153 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-07-13 22:57:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2022-07-13 22:57:19,153 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2022-07-13 22:57:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 22:57:19,400 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 22:57:19,401 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 22:57:19,892 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 22:57:19,900 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 22:57:19,900 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-13 22:57:19,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 10:57:19 BoogieIcfgContainer [2022-07-13 22:57:19,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 22:57:19,904 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 22:57:19,904 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 22:57:19,906 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 22:57:19,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 10:57:17" (1/3) ... [2022-07-13 22:57:19,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@259ee088 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 10:57:19, skipping insertion in model container [2022-07-13 22:57:19,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:57:18" (2/3) ... [2022-07-13 22:57:19,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@259ee088 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 10:57:19, skipping insertion in model container [2022-07-13 22:57:19,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 10:57:19" (3/3) ... [2022-07-13 22:57:19,908 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_init_harness.i [2022-07-13 22:57:19,917 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 22:57:19,918 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-13 22:57:19,961 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 22:57:19,965 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1e2166bb, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2cfc4f28 [2022-07-13 22:57:19,965 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-13 22:57:19,968 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 91 states have (on average 1.2307692307692308) internal successors, (112), 93 states have internal predecessors, (112), 29 states have call successors, (29), 15 states have call predecessors, (29), 15 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2022-07-13 22:57:19,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-07-13 22:57:19,976 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:57:19,977 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:57:19,977 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:57:19,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:57:19,982 INFO L85 PathProgramCache]: Analyzing trace with hash 2019519192, now seen corresponding path program 1 times [2022-07-13 22:57:19,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:57:19,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804959794] [2022-07-13 22:57:19,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:19,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:57:20,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:57:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:57:20,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 22:57:20,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:57:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:57:20,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 22:57:20,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 22:57:20,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-13 22:57:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,507 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-07-13 22:57:20,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:57:20,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804959794] [2022-07-13 22:57:20,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804959794] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:57:20,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 22:57:20,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 22:57:20,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187824614] [2022-07-13 22:57:20,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:57:20,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 22:57:20,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:57:20,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 22:57:20,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 22:57:20,536 INFO L87 Difference]: Start difference. First operand has 137 states, 91 states have (on average 1.2307692307692308) internal successors, (112), 93 states have internal predecessors, (112), 29 states have call successors, (29), 15 states have call predecessors, (29), 15 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-13 22:57:20,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:57:20,746 INFO L93 Difference]: Finished difference Result 281 states and 366 transitions. [2022-07-13 22:57:20,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 22:57:20,748 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 83 [2022-07-13 22:57:20,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:57:20,761 INFO L225 Difference]: With dead ends: 281 [2022-07-13 22:57:20,761 INFO L226 Difference]: Without dead ends: 143 [2022-07-13 22:57:20,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 22:57:20,770 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 160 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 22:57:20,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 183 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 22:57:20,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-07-13 22:57:20,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 130. [2022-07-13 22:57:20,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 84 states have (on average 1.1904761904761905) internal successors, (100), 86 states have internal predecessors, (100), 29 states have call successors, (29), 15 states have call predecessors, (29), 15 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2022-07-13 22:57:20,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 157 transitions. [2022-07-13 22:57:20,811 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 157 transitions. Word has length 83 [2022-07-13 22:57:20,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:57:20,811 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 157 transitions. [2022-07-13 22:57:20,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-13 22:57:20,812 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 157 transitions. [2022-07-13 22:57:20,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-07-13 22:57:20,814 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:57:20,814 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:57:20,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 22:57:20,814 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:57:20,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:57:20,815 INFO L85 PathProgramCache]: Analyzing trace with hash -384546217, now seen corresponding path program 1 times [2022-07-13 22:57:20,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:57:20,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961890748] [2022-07-13 22:57:20,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:20,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:57:20,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:57:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:57:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 22:57:20,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:57:20,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:57:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:21,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:57:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:21,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-13 22:57:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:21,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:21,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:21,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:21,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 22:57:21,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:21,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-13 22:57:21,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:21,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:21,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:21,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:21,161 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-07-13 22:57:21,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:57:21,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961890748] [2022-07-13 22:57:21,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961890748] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:57:21,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 22:57:21,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-13 22:57:21,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229513380] [2022-07-13 22:57:21,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:57:21,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 22:57:21,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:57:21,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 22:57:21,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-13 22:57:21,164 INFO L87 Difference]: Start difference. First operand 130 states and 157 transitions. Second operand has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (16), 5 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 1 states have call successors, (13) [2022-07-13 22:57:21,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:57:21,747 INFO L93 Difference]: Finished difference Result 217 states and 264 transitions. [2022-07-13 22:57:21,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-13 22:57:21,748 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (16), 5 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 1 states have call successors, (13) Word has length 89 [2022-07-13 22:57:21,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:57:21,749 INFO L225 Difference]: With dead ends: 217 [2022-07-13 22:57:21,750 INFO L226 Difference]: Without dead ends: 146 [2022-07-13 22:57:21,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2022-07-13 22:57:21,751 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 171 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 624 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-13 22:57:21,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 290 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 624 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-13 22:57:21,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2022-07-13 22:57:21,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 135. [2022-07-13 22:57:21,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 88 states have (on average 1.1818181818181819) internal successors, (104), 90 states have internal predecessors, (104), 29 states have call successors, (29), 15 states have call predecessors, (29), 16 states have return successors, (29), 29 states have call predecessors, (29), 28 states have call successors, (29) [2022-07-13 22:57:21,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 162 transitions. [2022-07-13 22:57:21,761 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 162 transitions. Word has length 89 [2022-07-13 22:57:21,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:57:21,761 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 162 transitions. [2022-07-13 22:57:21,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (16), 5 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 1 states have call successors, (13) [2022-07-13 22:57:21,762 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 162 transitions. [2022-07-13 22:57:21,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-07-13 22:57:21,763 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:57:21,763 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:57:21,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 22:57:21,763 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:57:21,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:57:21,764 INFO L85 PathProgramCache]: Analyzing trace with hash -824418939, now seen corresponding path program 1 times [2022-07-13 22:57:21,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:57:21,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238836973] [2022-07-13 22:57:21,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:21,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:57:21,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:21,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:57:21,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:21,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:57:21,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:21,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 22:57:21,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:21,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:57:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:21,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:57:21,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:21,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:57:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:21,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-13 22:57:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:21,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:21,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:21,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:21,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:21,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 22:57:21,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:21,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-13 22:57:21,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:21,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:21,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:21,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:57:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,007 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-07-13 22:57:22,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:57:22,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238836973] [2022-07-13 22:57:22,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238836973] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:57:22,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 22:57:22,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 22:57:22,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277297229] [2022-07-13 22:57:22,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:57:22,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-13 22:57:22,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:57:22,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-13 22:57:22,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-13 22:57:22,010 INFO L87 Difference]: Start difference. First operand 135 states and 162 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-07-13 22:57:22,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:57:22,408 INFO L93 Difference]: Finished difference Result 202 states and 244 transitions. [2022-07-13 22:57:22,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 22:57:22,409 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 95 [2022-07-13 22:57:22,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:57:22,410 INFO L225 Difference]: With dead ends: 202 [2022-07-13 22:57:22,410 INFO L226 Difference]: Without dead ends: 146 [2022-07-13 22:57:22,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-07-13 22:57:22,411 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 330 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-13 22:57:22,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 225 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-13 22:57:22,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2022-07-13 22:57:22,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 135. [2022-07-13 22:57:22,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 88 states have (on average 1.1704545454545454) internal successors, (103), 90 states have internal predecessors, (103), 29 states have call successors, (29), 15 states have call predecessors, (29), 16 states have return successors, (29), 29 states have call predecessors, (29), 28 states have call successors, (29) [2022-07-13 22:57:22,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 161 transitions. [2022-07-13 22:57:22,420 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 161 transitions. Word has length 95 [2022-07-13 22:57:22,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:57:22,420 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 161 transitions. [2022-07-13 22:57:22,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-07-13 22:57:22,421 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 161 transitions. [2022-07-13 22:57:22,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-07-13 22:57:22,422 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:57:22,422 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:57:22,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-13 22:57:22,422 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:57:22,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:57:22,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1547678912, now seen corresponding path program 1 times [2022-07-13 22:57:22,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:57:22,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540748020] [2022-07-13 22:57:22,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:22,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:57:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:57:22,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:57:22,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 22:57:22,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:57:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:57:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:57:22,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-13 22:57:22,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 22:57:22,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-13 22:57:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:22,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:57:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-13 22:57:22,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-13 22:57:22,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,684 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-07-13 22:57:22,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:57:22,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540748020] [2022-07-13 22:57:22,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540748020] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:57:22,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 22:57:22,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-13 22:57:22,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655922175] [2022-07-13 22:57:22,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:57:22,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-13 22:57:22,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:57:22,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-13 22:57:22,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-07-13 22:57:22,686 INFO L87 Difference]: Start difference. First operand 135 states and 161 transitions. Second operand has 10 states, 10 states have (on average 4.9) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-13 22:57:23,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:57:23,235 INFO L93 Difference]: Finished difference Result 214 states and 258 transitions. [2022-07-13 22:57:23,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-13 22:57:23,236 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16) Word has length 103 [2022-07-13 22:57:23,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:57:23,237 INFO L225 Difference]: With dead ends: 214 [2022-07-13 22:57:23,237 INFO L226 Difference]: Without dead ends: 127 [2022-07-13 22:57:23,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2022-07-13 22:57:23,238 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 183 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 669 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-13 22:57:23,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 291 Invalid, 764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 669 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-13 22:57:23,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2022-07-13 22:57:23,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 124. [2022-07-13 22:57:23,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 80 states have (on average 1.1625) internal successors, (93), 82 states have internal predecessors, (93), 28 states have call successors, (28), 14 states have call predecessors, (28), 14 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2022-07-13 22:57:23,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 148 transitions. [2022-07-13 22:57:23,246 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 148 transitions. Word has length 103 [2022-07-13 22:57:23,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:57:23,246 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 148 transitions. [2022-07-13 22:57:23,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-13 22:57:23,247 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 148 transitions. [2022-07-13 22:57:23,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-13 22:57:23,248 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:57:23,248 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:57:23,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-13 22:57:23,248 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:57:23,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:57:23,249 INFO L85 PathProgramCache]: Analyzing trace with hash -907291095, now seen corresponding path program 1 times [2022-07-13 22:57:23,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:57:23,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058149840] [2022-07-13 22:57:23,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:23,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:57:23,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:23,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:57:23,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:23,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:57:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:23,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 22:57:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:23,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:57:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:23,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:57:23,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:23,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:57:23,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:23,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-13 22:57:23,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:23,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:23,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:23,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:23,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:23,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 22:57:23,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:23,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-13 22:57:23,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:23,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:23,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:23,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:23,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 22:57:23,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:23,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:23,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:23,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-13 22:57:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:23,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-13 22:57:23,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:23,437 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-07-13 22:57:23,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:57:23,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058149840] [2022-07-13 22:57:23,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058149840] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:57:23,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 22:57:23,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-13 22:57:23,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144628139] [2022-07-13 22:57:23,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:57:23,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 22:57:23,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:57:23,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 22:57:23,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-13 22:57:23,439 INFO L87 Difference]: Start difference. First operand 124 states and 148 transitions. Second operand has 9 states, 8 states have (on average 6.125) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-07-13 22:57:23,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:57:23,818 INFO L93 Difference]: Finished difference Result 181 states and 225 transitions. [2022-07-13 22:57:23,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 22:57:23,819 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 108 [2022-07-13 22:57:23,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:57:23,822 INFO L225 Difference]: With dead ends: 181 [2022-07-13 22:57:23,822 INFO L226 Difference]: Without dead ends: 123 [2022-07-13 22:57:23,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2022-07-13 22:57:23,826 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 222 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-13 22:57:23,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 255 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-13 22:57:23,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2022-07-13 22:57:23,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 120. [2022-07-13 22:57:23,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 77 states have (on average 1.1428571428571428) internal successors, (88), 78 states have internal predecessors, (88), 28 states have call successors, (28), 14 states have call predecessors, (28), 14 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2022-07-13 22:57:23,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 143 transitions. [2022-07-13 22:57:23,844 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 143 transitions. Word has length 108 [2022-07-13 22:57:23,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:57:23,846 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 143 transitions. [2022-07-13 22:57:23,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-07-13 22:57:23,846 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 143 transitions. [2022-07-13 22:57:23,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-07-13 22:57:23,848 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:57:23,848 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:57:23,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-13 22:57:23,848 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:57:23,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:57:23,849 INFO L85 PathProgramCache]: Analyzing trace with hash 210899362, now seen corresponding path program 1 times [2022-07-13 22:57:23,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:57:23,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953612062] [2022-07-13 22:57:23,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:23,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:57:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:23,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:57:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:57:24,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 22:57:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:57:24,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:57:24,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:57:24,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-13 22:57:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:24,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 22:57:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-13 22:57:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:24,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:24,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 22:57:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-13 22:57:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-13 22:57:24,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-13 22:57:24,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:24,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 22:57:24,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:24,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-13 22:57:24,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-13 22:57:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,210 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-07-13 22:57:24,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:57:24,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953612062] [2022-07-13 22:57:24,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953612062] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:57:24,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096029382] [2022-07-13 22:57:24,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:24,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:57:24,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:57:24,251 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:57:24,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-13 22:57:24,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 2317 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-13 22:57:24,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:57:24,606 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-07-13 22:57:24,606 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 22:57:24,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2096029382] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:57:24,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 22:57:24,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2022-07-13 22:57:24,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966687271] [2022-07-13 22:57:24,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:57:24,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 22:57:24,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:57:24,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 22:57:24,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-07-13 22:57:24,607 INFO L87 Difference]: Start difference. First operand 120 states and 143 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2022-07-13 22:57:24,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:57:24,625 INFO L93 Difference]: Finished difference Result 178 states and 217 transitions. [2022-07-13 22:57:24,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 22:57:24,626 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) Word has length 147 [2022-07-13 22:57:24,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:57:24,627 INFO L225 Difference]: With dead ends: 178 [2022-07-13 22:57:24,627 INFO L226 Difference]: Without dead ends: 124 [2022-07-13 22:57:24,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-07-13 22:57:24,628 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 3 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 22:57:24,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 416 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 22:57:24,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-07-13 22:57:24,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 122. [2022-07-13 22:57:24,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 79 states have (on average 1.139240506329114) internal successors, (90), 80 states have internal predecessors, (90), 28 states have call successors, (28), 14 states have call predecessors, (28), 14 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2022-07-13 22:57:24,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 145 transitions. [2022-07-13 22:57:24,647 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 145 transitions. Word has length 147 [2022-07-13 22:57:24,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:57:24,648 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 145 transitions. [2022-07-13 22:57:24,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2022-07-13 22:57:24,648 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 145 transitions. [2022-07-13 22:57:24,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-07-13 22:57:24,649 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:57:24,649 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:57:24,672 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-13 22:57:24,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-07-13 22:57:24,868 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:57:24,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:57:24,869 INFO L85 PathProgramCache]: Analyzing trace with hash -598447264, now seen corresponding path program 1 times [2022-07-13 22:57:24,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:57:24,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629098800] [2022-07-13 22:57:24,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:24,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:57:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:25,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:57:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:25,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:57:25,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:25,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 22:57:25,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:25,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:57:25,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:25,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:57:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:25,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:57:25,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:25,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-13 22:57:25,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:25,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:25,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:25,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:25,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 22:57:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:25,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-13 22:57:25,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:25,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:25,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:25,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:25,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:25,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 22:57:25,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:25,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:25,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:25,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-13 22:57:25,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:25,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-13 22:57:25,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:25,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-13 22:57:25,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:25,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:25,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:25,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:25,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 22:57:25,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:25,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:25,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-13 22:57:25,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:25,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-13 22:57:25,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:25,230 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-07-13 22:57:25,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:57:25,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629098800] [2022-07-13 22:57:25,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629098800] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:57:25,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [280195729] [2022-07-13 22:57:25,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:25,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:57:25,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:57:25,232 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:57:25,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-13 22:57:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:25,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 2312 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-13 22:57:25,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:57:25,690 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-07-13 22:57:25,691 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 22:57:25,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [280195729] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:57:25,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 22:57:25,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2022-07-13 22:57:25,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674818764] [2022-07-13 22:57:25,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:57:25,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-13 22:57:25,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:57:25,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-13 22:57:25,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2022-07-13 22:57:25,693 INFO L87 Difference]: Start difference. First operand 122 states and 145 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 5 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 5 states have call predecessors, (23), 4 states have call successors, (23) [2022-07-13 22:57:25,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:57:25,842 INFO L93 Difference]: Finished difference Result 181 states and 218 transitions. [2022-07-13 22:57:25,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-13 22:57:25,842 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 5 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 5 states have call predecessors, (23), 4 states have call successors, (23) Word has length 147 [2022-07-13 22:57:25,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:57:25,843 INFO L225 Difference]: With dead ends: 181 [2022-07-13 22:57:25,843 INFO L226 Difference]: Without dead ends: 120 [2022-07-13 22:57:25,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2022-07-13 22:57:25,844 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 166 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 22:57:25,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 479 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 22:57:25,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-07-13 22:57:25,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2022-07-13 22:57:25,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 77 states have (on average 1.12987012987013) internal successors, (87), 78 states have internal predecessors, (87), 28 states have call successors, (28), 14 states have call predecessors, (28), 14 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2022-07-13 22:57:25,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 142 transitions. [2022-07-13 22:57:25,850 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 142 transitions. Word has length 147 [2022-07-13 22:57:25,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:57:25,851 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 142 transitions. [2022-07-13 22:57:25,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 5 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 5 states have call predecessors, (23), 4 states have call successors, (23) [2022-07-13 22:57:25,851 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 142 transitions. [2022-07-13 22:57:25,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-07-13 22:57:25,852 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:57:25,852 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:57:25,894 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-13 22:57:26,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-07-13 22:57:26,094 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:57:26,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:57:26,094 INFO L85 PathProgramCache]: Analyzing trace with hash 567202759, now seen corresponding path program 1 times [2022-07-13 22:57:26,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:57:26,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585467351] [2022-07-13 22:57:26,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:26,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:57:26,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:57:26,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:57:26,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 22:57:26,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:57:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:57:26,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:57:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-13 22:57:26,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 22:57:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-13 22:57:26,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 22:57:26,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:26,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-13 22:57:26,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-13 22:57:26,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-13 22:57:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:26,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:26,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 22:57:26,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:26,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-13 22:57:26,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-13 22:57:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,419 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-07-13 22:57:26,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:57:26,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585467351] [2022-07-13 22:57:26,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585467351] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:57:26,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1983926472] [2022-07-13 22:57:26,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:26,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:57:26,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:57:26,430 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:57:26,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-13 22:57:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 2328 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-13 22:57:26,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:57:26,782 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-07-13 22:57:26,782 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 22:57:26,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1983926472] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:57:26,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 22:57:26,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 9 [2022-07-13 22:57:26,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108076653] [2022-07-13 22:57:26,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:57:26,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 22:57:26,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:57:26,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 22:57:26,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-07-13 22:57:26,783 INFO L87 Difference]: Start difference. First operand 120 states and 142 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-13 22:57:26,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:57:26,824 INFO L93 Difference]: Finished difference Result 176 states and 214 transitions. [2022-07-13 22:57:26,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 22:57:26,824 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) Word has length 149 [2022-07-13 22:57:26,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:57:26,825 INFO L225 Difference]: With dead ends: 176 [2022-07-13 22:57:26,825 INFO L226 Difference]: Without dead ends: 120 [2022-07-13 22:57:26,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-07-13 22:57:26,826 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 5 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 22:57:26,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 543 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 22:57:26,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-07-13 22:57:26,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2022-07-13 22:57:26,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 77 states have (on average 1.1168831168831168) internal successors, (86), 78 states have internal predecessors, (86), 28 states have call successors, (28), 14 states have call predecessors, (28), 14 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2022-07-13 22:57:26,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 141 transitions. [2022-07-13 22:57:26,831 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 141 transitions. Word has length 149 [2022-07-13 22:57:26,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:57:26,831 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 141 transitions. [2022-07-13 22:57:26,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-13 22:57:26,832 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 141 transitions. [2022-07-13 22:57:26,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-07-13 22:57:26,832 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:57:26,832 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:57:26,853 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-13 22:57:27,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:57:27,051 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:57:27,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:57:27,052 INFO L85 PathProgramCache]: Analyzing trace with hash 149027225, now seen corresponding path program 1 times [2022-07-13 22:57:27,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:57:27,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805697914] [2022-07-13 22:57:27,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:27,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:57:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:27,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:57:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:27,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:57:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:27,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 22:57:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:27,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:57:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:27,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:57:27,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:27,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:57:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:27,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-13 22:57:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:27,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:27,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:27,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:27,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 22:57:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:27,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-13 22:57:27,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:27,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:27,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:27,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:27,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 22:57:27,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:27,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:27,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:27,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-13 22:57:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:27,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-13 22:57:27,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:27,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-13 22:57:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:27,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:27,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:27,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:27,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-13 22:57:27,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:27,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:27,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-13 22:57:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:27,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-13 22:57:27,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:27,320 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-07-13 22:57:27,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:57:27,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805697914] [2022-07-13 22:57:27,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805697914] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:57:27,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004648481] [2022-07-13 22:57:27,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:27,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:57:27,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:57:27,322 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:57:27,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-13 22:57:27,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:27,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 2332 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-13 22:57:27,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:57:27,715 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-07-13 22:57:27,715 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 22:57:27,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1004648481] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:57:27,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 22:57:27,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2022-07-13 22:57:27,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067686273] [2022-07-13 22:57:27,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:57:27,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 22:57:27,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:57:27,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 22:57:27,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-07-13 22:57:27,717 INFO L87 Difference]: Start difference. First operand 120 states and 141 transitions. Second operand has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-13 22:57:27,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:57:27,753 INFO L93 Difference]: Finished difference Result 176 states and 212 transitions. [2022-07-13 22:57:27,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-13 22:57:27,754 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) Word has length 151 [2022-07-13 22:57:27,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:57:27,755 INFO L225 Difference]: With dead ends: 176 [2022-07-13 22:57:27,755 INFO L226 Difference]: Without dead ends: 120 [2022-07-13 22:57:27,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2022-07-13 22:57:27,755 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 13 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 657 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 22:57:27,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 657 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 22:57:27,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-07-13 22:57:27,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2022-07-13 22:57:27,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 77 states have (on average 1.103896103896104) internal successors, (85), 78 states have internal predecessors, (85), 28 states have call successors, (28), 14 states have call predecessors, (28), 14 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2022-07-13 22:57:27,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 140 transitions. [2022-07-13 22:57:27,760 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 140 transitions. Word has length 151 [2022-07-13 22:57:27,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:57:27,761 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 140 transitions. [2022-07-13 22:57:27,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-13 22:57:27,761 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2022-07-13 22:57:27,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-07-13 22:57:27,762 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:57:27,762 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:57:27,786 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-13 22:57:27,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:57:27,983 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:57:27,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:57:27,983 INFO L85 PathProgramCache]: Analyzing trace with hash -291556225, now seen corresponding path program 1 times [2022-07-13 22:57:27,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:57:27,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709863318] [2022-07-13 22:57:27,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:27,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:57:28,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:28,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:57:28,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:28,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:57:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:28,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 22:57:28,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:28,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:57:28,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:28,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:57:28,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:28,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:57:28,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:28,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-13 22:57:28,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:28,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:28,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:28,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 22:57:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:28,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-13 22:57:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:28,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:28,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:28,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 22:57:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:28,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:28,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-13 22:57:28,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:28,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-13 22:57:28,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:28,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-13 22:57:28,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:28,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:28,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:28,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 22:57:28,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:28,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:28,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:28,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 22:57:28,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:28,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-13 22:57:28,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:28,220 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-07-13 22:57:28,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:57:28,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709863318] [2022-07-13 22:57:28,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709863318] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:57:28,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248731505] [2022-07-13 22:57:28,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:28,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:57:28,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:57:28,222 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:57:28,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-13 22:57:28,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:28,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 2336 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-13 22:57:28,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:57:28,613 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-07-13 22:57:28,613 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 22:57:28,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [248731505] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:57:28,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 22:57:28,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2022-07-13 22:57:28,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362146168] [2022-07-13 22:57:28,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:57:28,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 22:57:28,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:57:28,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 22:57:28,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-07-13 22:57:28,616 INFO L87 Difference]: Start difference. First operand 120 states and 140 transitions. Second operand has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-13 22:57:28,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:57:28,650 INFO L93 Difference]: Finished difference Result 176 states and 210 transitions. [2022-07-13 22:57:28,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-13 22:57:28,650 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) Word has length 153 [2022-07-13 22:57:28,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:57:28,651 INFO L225 Difference]: With dead ends: 176 [2022-07-13 22:57:28,651 INFO L226 Difference]: Without dead ends: 120 [2022-07-13 22:57:28,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2022-07-13 22:57:28,653 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 11 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 22:57:28,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 654 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 22:57:28,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-07-13 22:57:28,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2022-07-13 22:57:28,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 77 states have (on average 1.0909090909090908) internal successors, (84), 78 states have internal predecessors, (84), 28 states have call successors, (28), 14 states have call predecessors, (28), 14 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2022-07-13 22:57:28,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 139 transitions. [2022-07-13 22:57:28,660 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 139 transitions. Word has length 153 [2022-07-13 22:57:28,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:57:28,662 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 139 transitions. [2022-07-13 22:57:28,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-13 22:57:28,662 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 139 transitions. [2022-07-13 22:57:28,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-07-13 22:57:28,663 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:57:28,664 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:57:28,683 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-13 22:57:28,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-07-13 22:57:28,883 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:57:28,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:57:28,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1373473881, now seen corresponding path program 1 times [2022-07-13 22:57:28,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:57:28,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657915242] [2022-07-13 22:57:28,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:28,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:57:28,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:28,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:57:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:28,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:57:28,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:28,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 22:57:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:28,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:57:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:28,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:57:28,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:28,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:57:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-13 22:57:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:29,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 22:57:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-13 22:57:29,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:29,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 22:57:29,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:29,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-13 22:57:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-13 22:57:29,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-13 22:57:29,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:29,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:29,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-13 22:57:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-13 22:57:29,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-13 22:57:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,171 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-07-13 22:57:29,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:57:29,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657915242] [2022-07-13 22:57:29,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657915242] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:57:29,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [777856552] [2022-07-13 22:57:29,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:29,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:57:29,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:57:29,200 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:57:29,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-13 22:57:29,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 2340 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-13 22:57:29,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:57:29,623 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-07-13 22:57:29,623 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 22:57:29,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [777856552] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:57:29,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 22:57:29,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2022-07-13 22:57:29,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003097440] [2022-07-13 22:57:29,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:57:29,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 22:57:29,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:57:29,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 22:57:29,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-07-13 22:57:29,625 INFO L87 Difference]: Start difference. First operand 120 states and 139 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-13 22:57:29,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:57:29,655 INFO L93 Difference]: Finished difference Result 176 states and 208 transitions. [2022-07-13 22:57:29,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-13 22:57:29,656 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) Word has length 155 [2022-07-13 22:57:29,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:57:29,656 INFO L225 Difference]: With dead ends: 176 [2022-07-13 22:57:29,657 INFO L226 Difference]: Without dead ends: 120 [2022-07-13 22:57:29,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2022-07-13 22:57:29,657 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 9 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 22:57:29,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 520 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 22:57:29,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-07-13 22:57:29,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2022-07-13 22:57:29,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 77 states have (on average 1.077922077922078) internal successors, (83), 78 states have internal predecessors, (83), 28 states have call successors, (28), 14 states have call predecessors, (28), 14 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2022-07-13 22:57:29,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 138 transitions. [2022-07-13 22:57:29,662 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 138 transitions. Word has length 155 [2022-07-13 22:57:29,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:57:29,662 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 138 transitions. [2022-07-13 22:57:29,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-13 22:57:29,662 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 138 transitions. [2022-07-13 22:57:29,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-07-13 22:57:29,663 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:57:29,663 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:57:29,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-13 22:57:29,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:57:29,882 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:57:29,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:57:29,882 INFO L85 PathProgramCache]: Analyzing trace with hash -663664841, now seen corresponding path program 1 times [2022-07-13 22:57:29,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:57:29,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981844817] [2022-07-13 22:57:29,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:29,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:57:29,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:30,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:57:30,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:30,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:57:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:30,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 22:57:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:30,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:57:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:30,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:57:30,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:30,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:57:30,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:30,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-13 22:57:30,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:30,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:30,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:30,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:30,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:30,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 22:57:30,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:30,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-13 22:57:30,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:30,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:30,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:30,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 22:57:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:30,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:30,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-13 22:57:30,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:30,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-13 22:57:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:30,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-13 22:57:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:30,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:30,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:30,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 22:57:30,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:30,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:30,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:30,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:57:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:30,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 22:57:30,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:30,344 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-13 22:57:30,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:57:30,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981844817] [2022-07-13 22:57:30,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981844817] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:57:30,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345945171] [2022-07-13 22:57:30,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:30,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:57:30,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:57:30,346 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:57:30,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-13 22:57:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:30,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 2344 conjuncts, 69 conjunts are in the unsatisfiable core [2022-07-13 22:57:30,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:57:30,773 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-07-13 22:57:31,662 WARN L855 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_928 Int) (aws_atomic_init_ptr_~var.offset Int)) (and (<= |c_aws_atomic_init_ptr_#in~var.offset| aws_atomic_init_ptr_~var.offset) (= (store |c_old(#memory_$Pointer$.base)| |c_aws_atomic_init_ptr_#in~var.base| (store (select |c_old(#memory_$Pointer$.base)| |c_aws_atomic_init_ptr_#in~var.base|) aws_atomic_init_ptr_~var.offset v_ArrVal_928)) |c_#memory_$Pointer$.base|))) is different from true [2022-07-13 22:57:31,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-13 22:57:31,679 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-07-13 22:57:32,339 WARN L855 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_929 Int) (aws_atomic_init_ptr_~var.offset Int)) (and (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_aws_atomic_init_ptr_#in~var.base| (store (select |c_old(#memory_$Pointer$.base)| |c_aws_atomic_init_ptr_#in~var.base|) aws_atomic_init_ptr_~var.offset v_ArrVal_929))) (<= |c_aws_atomic_init_ptr_#in~var.offset| aws_atomic_init_ptr_~var.offset))) is different from true [2022-07-13 22:57:32,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-13 22:57:32,355 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-07-13 22:57:32,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-13 22:57:32,362 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-07-13 22:57:32,826 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 104 trivial. 2 not checked. [2022-07-13 22:57:32,827 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 22:57:48,396 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-07-13 22:57:48,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1345945171] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 22:57:48,397 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 22:57:48,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 21, 19] total 47 [2022-07-13 22:57:48,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441952121] [2022-07-13 22:57:48,397 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 22:57:48,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2022-07-13 22:57:48,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:57:48,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-07-13 22:57:48,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=1836, Unknown=2, NotChecked=174, Total=2162 [2022-07-13 22:57:48,399 INFO L87 Difference]: Start difference. First operand 120 states and 138 transitions. Second operand has 47 states, 44 states have (on average 3.3181818181818183) internal successors, (146), 37 states have internal predecessors, (146), 15 states have call successors, (52), 11 states have call predecessors, (52), 13 states have return successors, (46), 15 states have call predecessors, (46), 13 states have call successors, (46) [2022-07-13 22:57:55,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:57:55,113 INFO L93 Difference]: Finished difference Result 204 states and 239 transitions. [2022-07-13 22:57:55,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-07-13 22:57:55,113 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 44 states have (on average 3.3181818181818183) internal successors, (146), 37 states have internal predecessors, (146), 15 states have call successors, (52), 11 states have call predecessors, (52), 13 states have return successors, (46), 15 states have call predecessors, (46), 13 states have call successors, (46) Word has length 157 [2022-07-13 22:57:55,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:57:55,114 INFO L225 Difference]: With dead ends: 204 [2022-07-13 22:57:55,114 INFO L226 Difference]: Without dead ends: 202 [2022-07-13 22:57:55,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 329 SyntacticMatches, 5 SemanticMatches, 66 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 988 ImplicationChecksByTransitivity, 22.5s TimeCoverageRelationStatistics Valid=345, Invalid=3948, Unknown=5, NotChecked=258, Total=4556 [2022-07-13 22:57:55,116 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 315 mSDsluCounter, 1141 mSDsCounter, 0 mSdLazyCounter, 2379 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 1268 SdHoareTripleChecker+Invalid, 4047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 2379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1492 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-13 22:57:55,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 1268 Invalid, 4047 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 2379 Invalid, 0 Unknown, 1492 Unchecked, 1.0s Time] [2022-07-13 22:57:55,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2022-07-13 22:57:55,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 178. [2022-07-13 22:57:55,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 121 states have (on average 1.0991735537190082) internal successors, (133), 124 states have internal predecessors, (133), 34 states have call successors, (34), 20 states have call predecessors, (34), 22 states have return successors, (39), 33 states have call predecessors, (39), 33 states have call successors, (39) [2022-07-13 22:57:55,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 206 transitions. [2022-07-13 22:57:55,125 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 206 transitions. Word has length 157 [2022-07-13 22:57:55,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:57:55,131 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 206 transitions. [2022-07-13 22:57:55,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 44 states have (on average 3.3181818181818183) internal successors, (146), 37 states have internal predecessors, (146), 15 states have call successors, (52), 11 states have call predecessors, (52), 13 states have return successors, (46), 15 states have call predecessors, (46), 13 states have call successors, (46) [2022-07-13 22:57:55,132 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 206 transitions. [2022-07-13 22:57:55,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-07-13 22:57:55,134 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:57:55,134 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:57:55,181 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-13 22:57:55,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:57:55,356 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:57:55,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:57:55,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1473011467, now seen corresponding path program 1 times [2022-07-13 22:57:55,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:57:55,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982554386] [2022-07-13 22:57:55,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:55,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:57:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:55,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:57:55,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:55,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:57:55,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:55,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 22:57:55,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:55,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:57:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:55,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:57:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:55,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:57:55,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:55,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-13 22:57:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:55,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:55,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:55,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 22:57:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:55,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-13 22:57:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:55,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:55,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:55,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 22:57:55,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:55,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:55,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:55,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-13 22:57:55,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:55,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-13 22:57:55,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:55,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-13 22:57:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:55,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:55,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:55,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:55,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:55,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 22:57:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:55,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:55,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:55,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:57:55,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:55,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 22:57:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:55,617 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-07-13 22:57:55,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:57:55,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982554386] [2022-07-13 22:57:55,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982554386] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:57:55,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 22:57:55,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 22:57:55,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089207174] [2022-07-13 22:57:55,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:57:55,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 22:57:55,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:57:55,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 22:57:55,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-13 22:57:55,619 INFO L87 Difference]: Start difference. First operand 178 states and 206 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-13 22:57:55,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:57:55,913 INFO L93 Difference]: Finished difference Result 345 states and 396 transitions. [2022-07-13 22:57:55,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-13 22:57:55,914 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 157 [2022-07-13 22:57:55,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:57:55,915 INFO L225 Difference]: With dead ends: 345 [2022-07-13 22:57:55,915 INFO L226 Difference]: Without dead ends: 179 [2022-07-13 22:57:55,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-13 22:57:55,916 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 126 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 22:57:55,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 207 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-13 22:57:55,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2022-07-13 22:57:55,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2022-07-13 22:57:55,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 122 states have (on average 1.098360655737705) internal successors, (134), 125 states have internal predecessors, (134), 34 states have call successors, (34), 20 states have call predecessors, (34), 22 states have return successors, (39), 33 states have call predecessors, (39), 33 states have call successors, (39) [2022-07-13 22:57:55,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 207 transitions. [2022-07-13 22:57:55,925 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 207 transitions. Word has length 157 [2022-07-13 22:57:55,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:57:55,925 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 207 transitions. [2022-07-13 22:57:55,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-13 22:57:55,925 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 207 transitions. [2022-07-13 22:57:55,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-07-13 22:57:55,926 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:57:55,926 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:57:55,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-13 22:57:55,927 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:57:55,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:57:55,927 INFO L85 PathProgramCache]: Analyzing trace with hash -598439830, now seen corresponding path program 1 times [2022-07-13 22:57:55,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:57:55,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740963576] [2022-07-13 22:57:55,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:55,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:57:56,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:56,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:57:56,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:56,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:57:56,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:56,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 22:57:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:56,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:57:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:56,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:57:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:56,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:57:56,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:56,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-13 22:57:56,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:56,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:56,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:56,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:56,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:56,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 22:57:56,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:56,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-13 22:57:56,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:56,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:56,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:56,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:56,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:56,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 22:57:56,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:56,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:56,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:56,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-13 22:57:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:56,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-13 22:57:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:56,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-13 22:57:56,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:56,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:56,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:56,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:56,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 22:57:56,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:56,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:56,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:57:56,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:56,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 22:57:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:56,257 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-07-13 22:57:56,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:57:56,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740963576] [2022-07-13 22:57:56,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740963576] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:57:56,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446703026] [2022-07-13 22:57:56,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:56,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:57:56,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:57:56,258 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:57:56,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-13 22:57:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:56,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 2358 conjuncts, 41 conjunts are in the unsatisfiable core [2022-07-13 22:57:56,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:57:56,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-13 22:57:56,757 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 49 [2022-07-13 22:58:00,902 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-07-13 22:58:00,902 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 22:58:01,412 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-07-13 22:58:01,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446703026] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 22:58:01,413 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 22:58:01,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 14, 14] total 32 [2022-07-13 22:58:01,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201104774] [2022-07-13 22:58:01,413 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 22:58:01,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-07-13 22:58:01,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:58:01,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-07-13 22:58:01,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=893, Unknown=0, NotChecked=0, Total=992 [2022-07-13 22:58:01,414 INFO L87 Difference]: Start difference. First operand 179 states and 207 transitions. Second operand has 32 states, 28 states have (on average 5.214285714285714) internal successors, (146), 27 states have internal predecessors, (146), 12 states have call successors, (51), 7 states have call predecessors, (51), 7 states have return successors, (48), 10 states have call predecessors, (48), 11 states have call successors, (48) [2022-07-13 22:58:03,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:58:03,191 INFO L93 Difference]: Finished difference Result 374 states and 431 transitions. [2022-07-13 22:58:03,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-07-13 22:58:03,192 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 28 states have (on average 5.214285714285714) internal successors, (146), 27 states have internal predecessors, (146), 12 states have call successors, (51), 7 states have call predecessors, (51), 7 states have return successors, (48), 10 states have call predecessors, (48), 11 states have call successors, (48) Word has length 158 [2022-07-13 22:58:03,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:58:03,193 INFO L225 Difference]: With dead ends: 374 [2022-07-13 22:58:03,193 INFO L226 Difference]: Without dead ends: 205 [2022-07-13 22:58:03,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 393 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 497 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=284, Invalid=2472, Unknown=0, NotChecked=0, Total=2756 [2022-07-13 22:58:03,195 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 190 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 2289 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 2710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 2289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 286 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-13 22:58:03,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 759 Invalid, 2710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 2289 Invalid, 0 Unknown, 286 Unchecked, 1.1s Time] [2022-07-13 22:58:03,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2022-07-13 22:58:03,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 188. [2022-07-13 22:58:03,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 131 states have (on average 1.1068702290076335) internal successors, (145), 133 states have internal predecessors, (145), 34 states have call successors, (34), 20 states have call predecessors, (34), 22 states have return successors, (39), 34 states have call predecessors, (39), 33 states have call successors, (39) [2022-07-13 22:58:03,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 218 transitions. [2022-07-13 22:58:03,213 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 218 transitions. Word has length 158 [2022-07-13 22:58:03,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:58:03,213 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 218 transitions. [2022-07-13 22:58:03,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 28 states have (on average 5.214285714285714) internal successors, (146), 27 states have internal predecessors, (146), 12 states have call successors, (51), 7 states have call predecessors, (51), 7 states have return successors, (48), 10 states have call predecessors, (48), 11 states have call successors, (48) [2022-07-13 22:58:03,213 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 218 transitions. [2022-07-13 22:58:03,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-07-13 22:58:03,216 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:58:03,216 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:58:03,237 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-07-13 22:58:03,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-07-13 22:58:03,435 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:58:03,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:58:03,436 INFO L85 PathProgramCache]: Analyzing trace with hash -2041078951, now seen corresponding path program 1 times [2022-07-13 22:58:03,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:58:03,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839195782] [2022-07-13 22:58:03,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:58:03,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:58:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:03,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:58:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:03,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:58:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:03,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 22:58:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:03,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:58:03,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:03,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:58:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:03,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:58:03,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:03,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 22:58:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:03,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:58:03,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:03,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:58:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:03,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 22:58:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:03,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-13 22:58:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:03,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:58:03,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:03,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:58:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:03,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 22:58:03,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:03,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:58:03,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:03,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-13 22:58:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:03,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-13 22:58:03,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:03,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-13 22:58:03,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:03,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:58:03,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:03,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:58:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:03,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 22:58:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:03,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:58:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:03,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:58:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:03,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 22:58:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:03,956 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-07-13 22:58:03,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:58:03,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839195782] [2022-07-13 22:58:03,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839195782] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:58:03,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460518535] [2022-07-13 22:58:03,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:58:03,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:58:03,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:58:03,958 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:58:03,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-07-13 22:58:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:04,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 2387 conjuncts, 71 conjunts are in the unsatisfiable core [2022-07-13 22:58:04,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:58:04,388 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-07-13 22:58:05,444 WARN L855 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_1303 Int) (aws_atomic_init_ptr_~var.offset Int)) (and (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_aws_atomic_init_ptr_#in~var.base| (store (select |c_old(#memory_$Pointer$.base)| |c_aws_atomic_init_ptr_#in~var.base|) aws_atomic_init_ptr_~var.offset v_ArrVal_1303))) (<= |c_aws_atomic_init_ptr_#in~var.offset| aws_atomic_init_ptr_~var.offset))) is different from true [2022-07-13 22:58:05,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-13 22:58:05,456 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-07-13 22:58:06,384 WARN L855 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_1305 Int) (aws_atomic_init_ptr_~var.offset Int)) (and (= (store |c_old(#memory_$Pointer$.base)| |c_aws_atomic_init_ptr_#in~var.base| (store (select |c_old(#memory_$Pointer$.base)| |c_aws_atomic_init_ptr_#in~var.base|) aws_atomic_init_ptr_~var.offset v_ArrVal_1305)) |c_#memory_$Pointer$.base|) (<= |c_aws_atomic_init_ptr_#in~var.offset| aws_atomic_init_ptr_~var.offset))) is different from true [2022-07-13 22:58:06,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-13 22:58:06,396 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-07-13 22:58:06,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-13 22:58:06,402 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-07-13 22:58:06,752 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 107 trivial. 2 not checked. [2022-07-13 22:58:06,752 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 22:58:19,235 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-13 22:58:19,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1460518535] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 22:58:19,235 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 22:58:19,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 21, 19] total 49 [2022-07-13 22:58:19,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332196379] [2022-07-13 22:58:19,235 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 22:58:19,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-07-13 22:58:19,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:58:19,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-07-13 22:58:19,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=2006, Unknown=2, NotChecked=182, Total=2352 [2022-07-13 22:58:19,237 INFO L87 Difference]: Start difference. First operand 188 states and 218 transitions. Second operand has 49 states, 46 states have (on average 3.347826086956522) internal successors, (154), 39 states have internal predecessors, (154), 17 states have call successors, (55), 11 states have call predecessors, (55), 13 states have return successors, (51), 17 states have call predecessors, (51), 15 states have call successors, (51) [2022-07-13 22:58:33,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:58:33,503 INFO L93 Difference]: Finished difference Result 230 states and 271 transitions. [2022-07-13 22:58:33,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-07-13 22:58:33,504 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 46 states have (on average 3.347826086956522) internal successors, (154), 39 states have internal predecessors, (154), 17 states have call successors, (55), 11 states have call predecessors, (55), 13 states have return successors, (51), 17 states have call predecessors, (51), 15 states have call successors, (51) Word has length 159 [2022-07-13 22:58:33,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:58:33,505 INFO L225 Difference]: With dead ends: 230 [2022-07-13 22:58:33,505 INFO L226 Difference]: Without dead ends: 228 [2022-07-13 22:58:33,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 404 GetRequests, 331 SyntacticMatches, 5 SemanticMatches, 68 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 1061 ImplicationChecksByTransitivity, 27.2s TimeCoverageRelationStatistics Valid=419, Invalid=4129, Unknown=16, NotChecked=266, Total=4830 [2022-07-13 22:58:33,506 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 323 mSDsluCounter, 1095 mSDsCounter, 0 mSdLazyCounter, 3119 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 1220 SdHoareTripleChecker+Invalid, 4586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 3119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1262 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-13 22:58:33,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 1220 Invalid, 4586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 3119 Invalid, 0 Unknown, 1262 Unchecked, 1.3s Time] [2022-07-13 22:58:33,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2022-07-13 22:58:33,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 191. [2022-07-13 22:58:33,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 134 states have (on average 1.1119402985074627) internal successors, (149), 136 states have internal predecessors, (149), 34 states have call successors, (34), 20 states have call predecessors, (34), 22 states have return successors, (39), 34 states have call predecessors, (39), 33 states have call successors, (39) [2022-07-13 22:58:33,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 222 transitions. [2022-07-13 22:58:33,535 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 222 transitions. Word has length 159 [2022-07-13 22:58:33,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:58:33,535 INFO L495 AbstractCegarLoop]: Abstraction has 191 states and 222 transitions. [2022-07-13 22:58:33,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 46 states have (on average 3.347826086956522) internal successors, (154), 39 states have internal predecessors, (154), 17 states have call successors, (55), 11 states have call predecessors, (55), 13 states have return successors, (51), 17 states have call predecessors, (51), 15 states have call successors, (51) [2022-07-13 22:58:33,536 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 222 transitions. [2022-07-13 22:58:33,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-07-13 22:58:33,536 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:58:33,536 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:58:33,559 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-07-13 22:58:33,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-07-13 22:58:33,751 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:58:33,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:58:33,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1444541719, now seen corresponding path program 1 times [2022-07-13 22:58:33,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:58:33,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283865546] [2022-07-13 22:58:33,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:58:33,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:58:33,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:33,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:58:33,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:33,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:58:33,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:33,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 22:58:33,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:33,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:58:33,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:33,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:58:33,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:33,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:58:33,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:34,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 22:58:34,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:34,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:58:34,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:34,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:58:34,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:34,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 22:58:34,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:34,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-13 22:58:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:34,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:58:34,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:34,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:58:34,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:34,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 22:58:34,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:34,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:58:34,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:34,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-13 22:58:34,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:34,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-13 22:58:34,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:34,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-13 22:58:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:34,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:58:34,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:34,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:58:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:34,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 22:58:34,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:34,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:58:34,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:34,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:58:34,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:34,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 22:58:34,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:34,103 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-07-13 22:58:34,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:58:34,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283865546] [2022-07-13 22:58:34,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283865546] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:58:34,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1913422455] [2022-07-13 22:58:34,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:58:34,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:58:34,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:58:34,105 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:58:34,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-07-13 22:58:34,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:34,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 2382 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-13 22:58:34,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:58:34,576 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 51 proven. 3 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-07-13 22:58:34,576 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 22:58:34,736 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-07-13 22:58:34,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1913422455] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 22:58:34,736 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 22:58:34,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 16 [2022-07-13 22:58:34,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077022149] [2022-07-13 22:58:34,736 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 22:58:34,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-07-13 22:58:34,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:58:34,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-07-13 22:58:34,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2022-07-13 22:58:34,738 INFO L87 Difference]: Start difference. First operand 191 states and 222 transitions. Second operand has 16 states, 16 states have (on average 8.875) internal successors, (142), 13 states have internal predecessors, (142), 2 states have call successors, (47), 5 states have call predecessors, (47), 5 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-13 22:58:35,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:58:35,320 INFO L93 Difference]: Finished difference Result 374 states and 434 transitions. [2022-07-13 22:58:35,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-13 22:58:35,320 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 8.875) internal successors, (142), 13 states have internal predecessors, (142), 2 states have call successors, (47), 5 states have call predecessors, (47), 5 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 159 [2022-07-13 22:58:35,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:58:35,321 INFO L225 Difference]: With dead ends: 374 [2022-07-13 22:58:35,321 INFO L226 Difference]: Without dead ends: 195 [2022-07-13 22:58:35,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 355 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=150, Invalid=450, Unknown=0, NotChecked=0, Total=600 [2022-07-13 22:58:35,322 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 207 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-13 22:58:35,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 222 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-13 22:58:35,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-07-13 22:58:35,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2022-07-13 22:58:35,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 138 states have (on average 1.108695652173913) internal successors, (153), 140 states have internal predecessors, (153), 34 states have call successors, (34), 20 states have call predecessors, (34), 22 states have return successors, (39), 34 states have call predecessors, (39), 33 states have call successors, (39) [2022-07-13 22:58:35,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 226 transitions. [2022-07-13 22:58:35,336 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 226 transitions. Word has length 159 [2022-07-13 22:58:35,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:58:35,336 INFO L495 AbstractCegarLoop]: Abstraction has 195 states and 226 transitions. [2022-07-13 22:58:35,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 8.875) internal successors, (142), 13 states have internal predecessors, (142), 2 states have call successors, (47), 5 states have call predecessors, (47), 5 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-13 22:58:35,336 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 226 transitions. [2022-07-13 22:58:35,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-07-13 22:58:35,358 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:58:35,358 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:58:35,379 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-07-13 22:58:35,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-07-13 22:58:35,564 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:58:35,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:58:35,565 INFO L85 PathProgramCache]: Analyzing trace with hash 2138724951, now seen corresponding path program 2 times [2022-07-13 22:58:35,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:58:35,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901969058] [2022-07-13 22:58:35,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:58:35,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:58:35,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:35,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:58:35,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:35,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:58:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:35,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 22:58:35,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:35,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:58:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:35,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:58:35,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:35,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:58:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:35,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 22:58:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:35,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:58:35,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:35,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:58:35,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:35,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 22:58:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:35,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-13 22:58:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:35,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:58:35,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:35,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:58:35,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:35,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 22:58:35,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:35,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:58:35,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:35,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-13 22:58:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:35,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-13 22:58:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:35,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-13 22:58:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:35,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:58:35,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:35,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:58:35,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:35,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 22:58:35,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:35,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:58:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:35,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:58:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:35,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 22:58:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:35,940 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-07-13 22:58:35,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:58:35,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901969058] [2022-07-13 22:58:35,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901969058] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:58:35,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657174344] [2022-07-13 22:58:35,941 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-13 22:58:35,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:58:35,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:58:35,956 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:58:35,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-07-13 22:58:36,812 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-13 22:58:36,812 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-13 22:58:36,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 2458 conjuncts, 18 conjunts are in the unsatisfiable core [2022-07-13 22:58:36,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:58:37,010 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 51 proven. 21 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-07-13 22:58:37,011 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 22:58:37,464 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-07-13 22:58:37,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1657174344] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 22:58:37,465 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 22:58:37,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 10] total 28 [2022-07-13 22:58:37,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518434089] [2022-07-13 22:58:37,465 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 22:58:37,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-07-13 22:58:37,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:58:37,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-07-13 22:58:37,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=576, Unknown=0, NotChecked=0, Total=756 [2022-07-13 22:58:37,466 INFO L87 Difference]: Start difference. First operand 195 states and 226 transitions. Second operand has 28 states, 28 states have (on average 5.5) internal successors, (154), 25 states have internal predecessors, (154), 2 states have call successors, (47), 5 states have call predecessors, (47), 5 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-13 22:58:42,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:58:42,673 INFO L93 Difference]: Finished difference Result 382 states and 446 transitions. [2022-07-13 22:58:42,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-07-13 22:58:42,674 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 5.5) internal successors, (154), 25 states have internal predecessors, (154), 2 states have call successors, (47), 5 states have call predecessors, (47), 5 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 163 [2022-07-13 22:58:42,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:58:42,675 INFO L225 Difference]: With dead ends: 382 [2022-07-13 22:58:42,675 INFO L226 Difference]: Without dead ends: 203 [2022-07-13 22:58:42,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 355 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 274 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=472, Invalid=1598, Unknown=0, NotChecked=0, Total=2070 [2022-07-13 22:58:42,676 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 249 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 1228 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 1420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 1228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-13 22:58:42,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 426 Invalid, 1420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 1228 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-13 22:58:42,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2022-07-13 22:58:42,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2022-07-13 22:58:42,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 146 states have (on average 1.1027397260273972) internal successors, (161), 148 states have internal predecessors, (161), 34 states have call successors, (34), 20 states have call predecessors, (34), 22 states have return successors, (39), 34 states have call predecessors, (39), 33 states have call successors, (39) [2022-07-13 22:58:42,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 234 transitions. [2022-07-13 22:58:42,692 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 234 transitions. Word has length 163 [2022-07-13 22:58:42,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:58:42,693 INFO L495 AbstractCegarLoop]: Abstraction has 203 states and 234 transitions. [2022-07-13 22:58:42,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 5.5) internal successors, (154), 25 states have internal predecessors, (154), 2 states have call successors, (47), 5 states have call predecessors, (47), 5 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-13 22:58:42,693 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 234 transitions. [2022-07-13 22:58:42,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-07-13 22:58:42,694 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:58:42,694 INFO L195 NwaCegarLoop]: trace histogram [14, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:58:42,718 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-07-13 22:58:42,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-07-13 22:58:42,911 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:58:42,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:58:42,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1710048471, now seen corresponding path program 3 times [2022-07-13 22:58:42,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:58:42,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694025955] [2022-07-13 22:58:42,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:58:42,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:58:43,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:43,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:58:43,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:43,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:58:43,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:43,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 22:58:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:43,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:58:43,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:43,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:58:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:43,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:58:43,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:43,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-13 22:58:43,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:43,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:58:43,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:43,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:58:43,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:43,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 22:58:43,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:43,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-13 22:58:43,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:43,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:58:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:43,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:58:43,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:43,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 22:58:43,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:43,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:58:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:43,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-13 22:58:43,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:43,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-13 22:58:43,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:43,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-13 22:58:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:43,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:58:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:43,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:58:43,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:43,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 22:58:43,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:43,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:58:43,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:43,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:58:43,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:43,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 22:58:43,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:58:43,540 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-07-13 22:58:43,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:58:43,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694025955] [2022-07-13 22:58:43,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694025955] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:58:43,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429826701] [2022-07-13 22:58:43,541 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-13 22:58:43,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:58:43,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:58:43,560 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:58:43,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-07-13 22:59:22,906 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2022-07-13 22:59:22,906 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-13 22:59:22,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 2610 conjuncts, 43 conjunts are in the unsatisfiable core [2022-07-13 22:59:22,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:59:23,287 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 51 proven. 105 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-07-13 22:59:23,287 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 22:59:24,216 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-07-13 22:59:24,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [429826701] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 22:59:24,216 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 22:59:24,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 18, 18] total 52 [2022-07-13 22:59:24,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994681481] [2022-07-13 22:59:24,217 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 22:59:24,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2022-07-13 22:59:24,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:59:24,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2022-07-13 22:59:24,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=610, Invalid=2042, Unknown=0, NotChecked=0, Total=2652 [2022-07-13 22:59:24,218 INFO L87 Difference]: Start difference. First operand 203 states and 234 transitions. Second operand has 52 states, 52 states have (on average 3.423076923076923) internal successors, (178), 49 states have internal predecessors, (178), 2 states have call successors, (47), 5 states have call predecessors, (47), 5 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-13 22:59:58,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:59:58,033 INFO L93 Difference]: Finished difference Result 398 states and 470 transitions. [2022-07-13 22:59:58,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-07-13 22:59:58,034 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 3.423076923076923) internal successors, (178), 49 states have internal predecessors, (178), 2 states have call successors, (47), 5 states have call predecessors, (47), 5 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 171 [2022-07-13 22:59:58,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:59:58,035 INFO L225 Difference]: With dead ends: 398 [2022-07-13 22:59:58,035 INFO L226 Difference]: Without dead ends: 219 [2022-07-13 22:59:58,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 439 GetRequests, 355 SyntacticMatches, 1 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 720 ImplicationChecksByTransitivity, 33.7s TimeCoverageRelationStatistics Valid=1530, Invalid=5610, Unknown=0, NotChecked=0, Total=7140 [2022-07-13 22:59:58,037 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 299 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 2415 mSolverCounterSat, 258 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 2673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 258 IncrementalHoareTripleChecker+Valid, 2415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-13 22:59:58,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 671 Invalid, 2673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [258 Valid, 2415 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-13 22:59:58,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2022-07-13 22:59:58,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2022-07-13 22:59:58,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 162 states have (on average 1.0925925925925926) internal successors, (177), 164 states have internal predecessors, (177), 34 states have call successors, (34), 20 states have call predecessors, (34), 22 states have return successors, (39), 34 states have call predecessors, (39), 33 states have call successors, (39) [2022-07-13 22:59:58,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 250 transitions. [2022-07-13 22:59:58,061 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 250 transitions. Word has length 171 [2022-07-13 22:59:58,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:59:58,061 INFO L495 AbstractCegarLoop]: Abstraction has 219 states and 250 transitions. [2022-07-13 22:59:58,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 3.423076923076923) internal successors, (178), 49 states have internal predecessors, (178), 2 states have call successors, (47), 5 states have call predecessors, (47), 5 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-13 22:59:58,061 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 250 transitions. [2022-07-13 22:59:58,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-07-13 22:59:58,062 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:59:58,062 INFO L195 NwaCegarLoop]: trace histogram [30, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:59:58,085 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-07-13 22:59:58,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-07-13 22:59:58,276 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:59:58,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:59:58,277 INFO L85 PathProgramCache]: Analyzing trace with hash -967075369, now seen corresponding path program 4 times [2022-07-13 22:59:58,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:59:58,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737679725] [2022-07-13 22:59:58,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:59:58,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:59:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:59:58,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:59:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:59:58,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:59:58,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:59:58,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 22:59:58,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:59:58,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:59:58,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:59:58,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:59:58,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:59:58,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:59:58,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:59:59,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-13 22:59:59,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:59:59,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:59:59,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:59:59,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:59:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:59:59,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 22:59:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:59:59,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-13 22:59:59,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:59:59,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:59:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:59:59,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:59:59,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:59:59,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 22:59:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:59:59,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:59:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:59:59,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-13 22:59:59,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:59:59,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-13 22:59:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:59:59,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-13 22:59:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:59:59,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:59:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:59:59,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:59:59,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:59:59,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 22:59:59,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:59:59,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:59:59,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:59:59,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:59:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:59:59,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 22:59:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:59:59,596 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-07-13 22:59:59,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:59:59,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737679725] [2022-07-13 22:59:59,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737679725] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:59:59,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731175409] [2022-07-13 22:59:59,597 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-07-13 22:59:59,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:59:59,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:59:59,598 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:59:59,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-07-13 23:00:04,527 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-07-13 23:00:04,528 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-13 23:00:04,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 2914 conjuncts, 66 conjunts are in the unsatisfiable core [2022-07-13 23:00:04,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:00:06,231 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 51 proven. 465 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-07-13 23:00:06,232 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 23:00:09,871 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-07-13 23:00:09,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1731175409] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 23:00:09,872 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 23:00:09,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 34, 34] total 100 [2022-07-13 23:00:09,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034807706] [2022-07-13 23:00:09,872 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 23:00:09,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2022-07-13 23:00:09,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:00:09,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2022-07-13 23:00:09,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1814, Invalid=8086, Unknown=0, NotChecked=0, Total=9900 [2022-07-13 23:00:09,875 INFO L87 Difference]: Start difference. First operand 219 states and 250 transitions. Second operand has 100 states, 100 states have (on average 2.26) internal successors, (226), 97 states have internal predecessors, (226), 2 states have call successors, (47), 5 states have call predecessors, (47), 5 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-13 23:00:41,281 WARN L233 SmtUtils]: Spent 11.91s on a formula simplification. DAG size of input: 110 DAG size of output: 45 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-13 23:01:14,726 WARN L233 SmtUtils]: Spent 12.13s on a formula simplification. DAG size of input: 105 DAG size of output: 45 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-13 23:01:42,630 WARN L233 SmtUtils]: Spent 13.80s on a formula simplification. DAG size of input: 100 DAG size of output: 45 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)