./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a6e7035c8f6176239a6155d5f2c0d89271e8311db2fdadeed7cf9912856a8711 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 14:03:26,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 14:03:26,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 14:03:26,666 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 14:03:26,666 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 14:03:26,670 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 14:03:26,671 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 14:03:26,674 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 14:03:26,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 14:03:26,680 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 14:03:26,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 14:03:26,682 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 14:03:26,682 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 14:03:26,685 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 14:03:26,686 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 14:03:26,689 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 14:03:26,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 14:03:26,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 14:03:26,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 14:03:26,700 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 14:03:26,701 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 14:03:26,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 14:03:26,704 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 14:03:26,705 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 14:03:26,710 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 14:03:26,711 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 14:03:26,711 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 14:03:26,712 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 14:03:26,713 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 14:03:26,714 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 14:03:26,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 14:03:26,715 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 14:03:26,717 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 14:03:26,718 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 14:03:26,719 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 14:03:26,719 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 14:03:26,720 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 14:03:26,720 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 14:03:26,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 14:03:26,721 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 14:03:26,721 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 14:03:26,722 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 14:03:26,751 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 14:03:26,751 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 14:03:26,752 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 14:03:26,752 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 14:03:26,753 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 14:03:26,753 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 14:03:26,754 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 14:03:26,754 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 14:03:26,754 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 14:03:26,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 14:03:26,755 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 14:03:26,755 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 14:03:26,756 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 14:03:26,756 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 14:03:26,756 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 14:03:26,756 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 14:03:26,756 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 14:03:26,757 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 14:03:26,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 14:03:26,757 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 14:03:26,757 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 14:03:26,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:03:26,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 14:03:26,758 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 14:03:26,758 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 14:03:26,758 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 14:03:26,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 14:03:26,759 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 14:03:26,760 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 14:03:26,760 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 14:03:26,760 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 14:03:26,760 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6e7035c8f6176239a6155d5f2c0d89271e8311db2fdadeed7cf9912856a8711 [2021-12-22 14:03:26,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 14:03:26,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 14:03:26,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 14:03:26,998 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 14:03:27,000 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 14:03:27,001 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i [2021-12-22 14:03:27,055 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f12ce4a1/543f4895679f45509c90f7287fec521b/FLAG0dbea6344 [2021-12-22 14:03:27,646 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 14:03:27,646 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i [2021-12-22 14:03:27,690 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f12ce4a1/543f4895679f45509c90f7287fec521b/FLAG0dbea6344 [2021-12-22 14:03:28,076 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f12ce4a1/543f4895679f45509c90f7287fec521b [2021-12-22 14:03:28,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 14:03:28,079 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 14:03:28,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 14:03:28,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 14:03:28,087 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 14:03:28,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:03:28" (1/1) ... [2021-12-22 14:03:28,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61e07f74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:03:28, skipping insertion in model container [2021-12-22 14:03:28,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:03:28" (1/1) ... [2021-12-22 14:03:28,093 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 14:03:28,189 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 14:03:28,435 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i[4498,4511] [2021-12-22 14:03:28,442 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i[4558,4571] [2021-12-22 14:03:29,091 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 14:03:29,091 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 14:03:29,092 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 14:03:29,093 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 14:03:29,093 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 14:03:29,104 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 14:03:29,105 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 14:03:29,107 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 14:03:29,107 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 14:03:29,405 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-22 14:03:29,407 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-22 14:03:29,408 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-22 14:03:29,410 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-22 14:03:29,414 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-22 14:03:29,417 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-22 14:03:29,417 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-22 14:03:29,418 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-22 14:03:29,421 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-22 14:03:29,422 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-22 14:03:29,540 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-22 14:03:29,689 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 14:03:29,690 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 14:03:29,792 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:03:29,845 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 14:03:29,867 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i[4498,4511] [2021-12-22 14:03:29,869 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i[4558,4571] [2021-12-22 14:03:29,912 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 14:03:29,912 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 14:03:29,913 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 14:03:29,914 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 14:03:29,914 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 14:03:29,922 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 14:03:29,923 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 14:03:29,924 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 14:03:29,924 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 14:03:29,953 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-22 14:03:29,954 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-22 14:03:29,955 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-22 14:03:29,956 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-22 14:03:29,957 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-22 14:03:29,961 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-22 14:03:29,961 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-22 14:03:29,962 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-22 14:03:29,963 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-22 14:03:29,963 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-22 14:03:29,993 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-22 14:03:30,073 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 14:03:30,074 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 14:03:30,113 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:03:30,258 INFO L208 MainTranslator]: Completed translation [2021-12-22 14:03:30,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:03:30 WrapperNode [2021-12-22 14:03:30,259 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 14:03:30,260 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 14:03:30,260 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 14:03:30,260 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 14:03:30,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:03:30" (1/1) ... [2021-12-22 14:03:30,367 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:03:30" (1/1) ... [2021-12-22 14:03:30,469 INFO L137 Inliner]: procedures = 691, calls = 2872, calls flagged for inlining = 57, calls inlined = 6, statements flattened = 813 [2021-12-22 14:03:30,469 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 14:03:30,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 14:03:30,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 14:03:30,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 14:03:30,478 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:03:30" (1/1) ... [2021-12-22 14:03:30,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:03:30" (1/1) ... [2021-12-22 14:03:30,490 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:03:30" (1/1) ... [2021-12-22 14:03:30,491 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:03:30" (1/1) ... [2021-12-22 14:03:30,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:03:30" (1/1) ... [2021-12-22 14:03:30,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:03:30" (1/1) ... [2021-12-22 14:03:30,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:03:30" (1/1) ... [2021-12-22 14:03:30,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 14:03:30,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 14:03:30,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 14:03:30,585 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 14:03:30,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:03:30" (1/1) ... [2021-12-22 14:03:30,592 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:03:30,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:03:30,617 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 14:03:30,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 14:03:30,667 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_store_n [2021-12-22 14:03:30,667 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2021-12-22 14:03:30,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 14:03:30,668 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2021-12-22 14:03:30,668 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2021-12-22 14:03:30,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-22 14:03:30,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-22 14:03:30,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 14:03:30,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 14:03:30,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 14:03:30,670 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2021-12-22 14:03:30,670 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2021-12-22 14:03:30,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 14:03:30,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 14:03:30,671 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-22 14:03:30,671 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-22 14:03:30,671 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2021-12-22 14:03:30,671 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2021-12-22 14:03:30,672 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2021-12-22 14:03:30,672 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2021-12-22 14:03:30,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 14:03:30,672 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 14:03:30,672 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 14:03:30,672 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 14:03:30,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 14:03:30,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 14:03:30,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 14:03:30,674 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2021-12-22 14:03:30,674 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2021-12-22 14:03:30,674 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-22 14:03:30,674 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-22 14:03:30,675 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-22 14:03:30,675 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-22 14:03:30,675 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2021-12-22 14:03:30,675 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2021-12-22 14:03:30,675 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2021-12-22 14:03:30,675 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2021-12-22 14:03:30,675 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2021-12-22 14:03:30,676 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2021-12-22 14:03:30,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 14:03:30,984 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 14:03:30,986 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 14:03:31,941 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 14:03:31,951 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 14:03:31,951 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-22 14:03:31,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:03:31 BoogieIcfgContainer [2021-12-22 14:03:31,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 14:03:31,954 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 14:03:31,955 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 14:03:31,957 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 14:03:31,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:03:28" (1/3) ... [2021-12-22 14:03:31,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@554a99fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:03:31, skipping insertion in model container [2021-12-22 14:03:31,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:03:30" (2/3) ... [2021-12-22 14:03:31,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@554a99fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:03:31, skipping insertion in model container [2021-12-22 14:03:31,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:03:31" (3/3) ... [2021-12-22 14:03:31,959 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_clean_up_harness.i [2021-12-22 14:03:31,964 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 14:03:31,964 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-22 14:03:32,014 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 14:03:32,031 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 14:03:32,031 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-22 14:03:32,054 INFO L276 IsEmpty]: Start isEmpty. Operand has 136 states, 88 states have (on average 1.2159090909090908) internal successors, (107), 89 states have internal predecessors, (107), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2021-12-22 14:03:32,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-22 14:03:32,059 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:03:32,060 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 14:03:32,060 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:03:32,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:03:32,064 INFO L85 PathProgramCache]: Analyzing trace with hash 612691976, now seen corresponding path program 1 times [2021-12-22 14:03:32,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:03:32,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532352802] [2021-12-22 14:03:32,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:03:32,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:03:32,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:32,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:03:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:32,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 14:03:32,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:32,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:32,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:03:32,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:32,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 14:03:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:32,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-22 14:03:32,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:32,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:03:32,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:32,677 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-22 14:03:32,678 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:03:32,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532352802] [2021-12-22 14:03:32,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532352802] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:03:32,680 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:03:32,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 14:03:32,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707452516] [2021-12-22 14:03:32,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:03:32,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 14:03:32,687 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:03:32,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 14:03:32,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 14:03:32,717 INFO L87 Difference]: Start difference. First operand has 136 states, 88 states have (on average 1.2159090909090908) internal successors, (107), 89 states have internal predecessors, (107), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-22 14:03:32,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:03:32,911 INFO L93 Difference]: Finished difference Result 263 states and 357 transitions. [2021-12-22 14:03:32,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 14:03:32,914 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 52 [2021-12-22 14:03:32,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:03:32,923 INFO L225 Difference]: With dead ends: 263 [2021-12-22 14:03:32,923 INFO L226 Difference]: Without dead ends: 132 [2021-12-22 14:03:32,927 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 14:03:32,930 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 72 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 14:03:32,931 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [83 Valid, 177 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 14:03:32,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-12-22 14:03:32,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 130. [2021-12-22 14:03:32,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 82 states have (on average 1.1829268292682926) internal successors, (97), 84 states have internal predecessors, (97), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2021-12-22 14:03:32,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 160 transitions. [2021-12-22 14:03:32,976 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 160 transitions. Word has length 52 [2021-12-22 14:03:32,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:03:32,976 INFO L470 AbstractCegarLoop]: Abstraction has 130 states and 160 transitions. [2021-12-22 14:03:32,977 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-22 14:03:32,977 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 160 transitions. [2021-12-22 14:03:32,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-22 14:03:32,979 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:03:32,979 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 14:03:32,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 14:03:32,980 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:03:32,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:03:32,981 INFO L85 PathProgramCache]: Analyzing trace with hash -333154486, now seen corresponding path program 1 times [2021-12-22 14:03:32,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:03:32,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746010949] [2021-12-22 14:03:32,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:03:32,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:03:33,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:33,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:03:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:33,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 14:03:33,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:33,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:33,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:33,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:03:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:33,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 14:03:33,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:33,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-22 14:03:33,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:33,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:03:33,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:33,290 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-22 14:03:33,290 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:03:33,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746010949] [2021-12-22 14:03:33,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746010949] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:03:33,291 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:03:33,291 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-22 14:03:33,291 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759722013] [2021-12-22 14:03:33,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:03:33,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-22 14:03:33,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:03:33,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-22 14:03:33,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-22 14:03:33,294 INFO L87 Difference]: Start difference. First operand 130 states and 160 transitions. Second operand has 8 states, 7 states have (on average 3.857142857142857) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-12-22 14:03:33,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:03:33,793 INFO L93 Difference]: Finished difference Result 244 states and 315 transitions. [2021-12-22 14:03:33,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 14:03:33,794 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.857142857142857) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 52 [2021-12-22 14:03:33,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:03:33,796 INFO L225 Difference]: With dead ends: 244 [2021-12-22 14:03:33,796 INFO L226 Difference]: Without dead ends: 139 [2021-12-22 14:03:33,797 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-12-22 14:03:33,798 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 109 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-22 14:03:33,798 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 536 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-22 14:03:33,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2021-12-22 14:03:33,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 137. [2021-12-22 14:03:33,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 88 states have (on average 1.2045454545454546) internal successors, (106), 90 states have internal predecessors, (106), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2021-12-22 14:03:33,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 169 transitions. [2021-12-22 14:03:33,823 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 169 transitions. Word has length 52 [2021-12-22 14:03:33,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:03:33,825 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 169 transitions. [2021-12-22 14:03:33,825 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.857142857142857) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-12-22 14:03:33,825 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 169 transitions. [2021-12-22 14:03:33,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-12-22 14:03:33,829 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:03:33,830 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2021-12-22 14:03:33,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 14:03:33,830 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:03:33,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:03:33,831 INFO L85 PathProgramCache]: Analyzing trace with hash 818368520, now seen corresponding path program 1 times [2021-12-22 14:03:33,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:03:33,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607417459] [2021-12-22 14:03:33,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:03:33,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:03:33,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:34,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:03:34,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:34,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 14:03:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:34,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:34,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:34,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:03:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:34,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 14:03:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:34,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-22 14:03:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:34,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:03:34,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:34,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 14:03:34,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:34,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:34,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:34,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-22 14:03:34,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:34,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:34,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:34,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:34,348 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-22 14:03:34,348 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:03:34,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607417459] [2021-12-22 14:03:34,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607417459] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 14:03:34,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [808196879] [2021-12-22 14:03:34,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:03:34,351 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 14:03:34,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:03:34,356 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) [2021-12-22 14:03:34,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-22 14:03:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:34,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 2563 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-22 14:03:34,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 14:03:35,062 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-12-22 14:03:35,062 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 14:03:35,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [808196879] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:03:35,063 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-22 14:03:35,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2021-12-22 14:03:35,063 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518478938] [2021-12-22 14:03:35,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:03:35,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 14:03:35,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:03:35,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 14:03:35,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-12-22 14:03:35,066 INFO L87 Difference]: Start difference. First operand 137 states and 169 transitions. Second operand has 7 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-12-22 14:03:35,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:03:35,146 INFO L93 Difference]: Finished difference Result 137 states and 169 transitions. [2021-12-22 14:03:35,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-22 14:03:35,148 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 85 [2021-12-22 14:03:35,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:03:35,154 INFO L225 Difference]: With dead ends: 137 [2021-12-22 14:03:35,154 INFO L226 Difference]: Without dead ends: 134 [2021-12-22 14:03:35,154 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-12-22 14:03:35,157 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 24 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 14:03:35,158 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 903 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 14:03:35,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-12-22 14:03:35,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2021-12-22 14:03:35,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 86 states have (on average 1.197674418604651) internal successors, (103), 87 states have internal predecessors, (103), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2021-12-22 14:03:35,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 166 transitions. [2021-12-22 14:03:35,176 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 166 transitions. Word has length 85 [2021-12-22 14:03:35,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:03:35,177 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 166 transitions. [2021-12-22 14:03:35,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-12-22 14:03:35,178 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 166 transitions. [2021-12-22 14:03:35,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-12-22 14:03:35,180 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:03:35,180 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-22 14:03:35,206 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-22 14:03:35,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 14:03:35,401 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:03:35,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:03:35,402 INFO L85 PathProgramCache]: Analyzing trace with hash -611785972, now seen corresponding path program 1 times [2021-12-22 14:03:35,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:03:35,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535407908] [2021-12-22 14:03:35,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:03:35,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:03:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:35,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:03:35,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:35,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 14:03:35,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:35,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:35,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:35,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:03:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:35,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 14:03:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:35,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-22 14:03:35,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:35,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:03:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:35,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 14:03:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:35,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:35,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:35,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:35,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-22 14:03:35,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:35,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:35,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:35,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-22 14:03:35,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:35,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:35,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:35,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:35,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:35,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:35,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:35,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 14:03:35,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:35,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:35,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:35,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:35,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:03:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:35,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-22 14:03:35,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:35,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-22 14:03:35,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:35,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-22 14:03:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:35,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:35,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:35,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:35,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:36,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 14:03:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:36,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:36,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:36,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:36,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:03:36,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:36,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-22 14:03:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:36,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-22 14:03:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:36,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-22 14:03:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:36,067 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2021-12-22 14:03:36,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:03:36,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535407908] [2021-12-22 14:03:36,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535407908] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 14:03:36,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1416393869] [2021-12-22 14:03:36,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:03:36,068 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 14:03:36,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:03:36,069 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) [2021-12-22 14:03:36,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-22 14:03:36,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:36,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 3038 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-22 14:03:36,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 14:03:36,934 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2021-12-22 14:03:36,935 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 14:03:36,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1416393869] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:03:36,935 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-22 14:03:36,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 6 [2021-12-22 14:03:36,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877361348] [2021-12-22 14:03:36,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:03:36,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 14:03:36,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:03:36,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 14:03:36,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:03:36,939 INFO L87 Difference]: Start difference. First operand 134 states and 166 transitions. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-22 14:03:36,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:03:36,964 INFO L93 Difference]: Finished difference Result 225 states and 282 transitions. [2021-12-22 14:03:36,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 14:03:36,965 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 207 [2021-12-22 14:03:36,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:03:36,967 INFO L225 Difference]: With dead ends: 225 [2021-12-22 14:03:36,967 INFO L226 Difference]: Without dead ends: 138 [2021-12-22 14:03:36,968 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-22 14:03:36,968 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 3 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 452 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 [2021-12-22 14:03:36,969 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 452 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 14:03:36,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2021-12-22 14:03:36,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 136. [2021-12-22 14:03:36,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 88 states have (on average 1.1931818181818181) internal successors, (105), 89 states have internal predecessors, (105), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2021-12-22 14:03:36,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 168 transitions. [2021-12-22 14:03:36,977 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 168 transitions. Word has length 207 [2021-12-22 14:03:36,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:03:36,978 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 168 transitions. [2021-12-22 14:03:36,978 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-22 14:03:36,978 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 168 transitions. [2021-12-22 14:03:36,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-12-22 14:03:36,980 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:03:36,981 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-22 14:03:37,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-22 14:03:37,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-12-22 14:03:37,204 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:03:37,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:03:37,204 INFO L85 PathProgramCache]: Analyzing trace with hash -540741488, now seen corresponding path program 1 times [2021-12-22 14:03:37,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:03:37,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077792205] [2021-12-22 14:03:37,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:03:37,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:03:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:37,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:03:37,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:37,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 14:03:37,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:37,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:37,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:03:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:37,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 14:03:37,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:37,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-22 14:03:37,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:37,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:03:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:37,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 14:03:37,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:37,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:37,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:37,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:37,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-22 14:03:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:37,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:37,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:37,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:37,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-22 14:03:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:37,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:37,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:37,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:37,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:37,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 14:03:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:37,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:37,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:37,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:37,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:03:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:37,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-22 14:03:37,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:37,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-22 14:03:37,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:37,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-22 14:03:37,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:37,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:37,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:37,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:37,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:37,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:37,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 14:03:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:37,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:37,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:37,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:37,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:03:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:37,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-22 14:03:37,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:37,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-22 14:03:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:37,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-22 14:03:37,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:37,711 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2021-12-22 14:03:37,711 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:03:37,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077792205] [2021-12-22 14:03:37,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077792205] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 14:03:37,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938825263] [2021-12-22 14:03:37,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:03:37,713 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 14:03:37,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:03:37,714 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) [2021-12-22 14:03:37,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-22 14:03:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:38,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 3028 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-22 14:03:38,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 14:03:38,665 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-12-22 14:03:38,665 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 14:03:38,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1938825263] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:03:38,665 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-22 14:03:38,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2021-12-22 14:03:38,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438390583] [2021-12-22 14:03:38,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:03:38,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 14:03:38,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:03:38,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 14:03:38,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-12-22 14:03:38,668 INFO L87 Difference]: Start difference. First operand 136 states and 168 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 4 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2021-12-22 14:03:38,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:03:38,870 INFO L93 Difference]: Finished difference Result 228 states and 283 transitions. [2021-12-22 14:03:38,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 14:03:38,871 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 4 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 207 [2021-12-22 14:03:38,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:03:38,872 INFO L225 Difference]: With dead ends: 228 [2021-12-22 14:03:38,872 INFO L226 Difference]: Without dead ends: 139 [2021-12-22 14:03:38,873 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2021-12-22 14:03:38,873 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 167 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 14:03:38,873 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [167 Valid, 551 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 14:03:38,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2021-12-22 14:03:38,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2021-12-22 14:03:38,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 90 states have (on average 1.1888888888888889) internal successors, (107), 92 states have internal predecessors, (107), 32 states have call successors, (32), 15 states have call predecessors, (32), 16 states have return successors, (32), 31 states have call predecessors, (32), 31 states have call successors, (32) [2021-12-22 14:03:38,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 171 transitions. [2021-12-22 14:03:38,881 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 171 transitions. Word has length 207 [2021-12-22 14:03:38,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:03:38,882 INFO L470 AbstractCegarLoop]: Abstraction has 139 states and 171 transitions. [2021-12-22 14:03:38,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 4 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2021-12-22 14:03:38,883 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 171 transitions. [2021-12-22 14:03:38,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-12-22 14:03:38,888 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:03:38,888 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-22 14:03:38,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-22 14:03:39,102 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 14:03:39,102 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:03:39,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:03:39,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1768774985, now seen corresponding path program 1 times [2021-12-22 14:03:39,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:03:39,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141391386] [2021-12-22 14:03:39,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:03:39,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:03:39,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:39,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:03:39,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:39,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 14:03:39,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:39,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:39,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:39,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:03:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:39,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 14:03:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:39,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-22 14:03:39,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:39,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:03:39,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:39,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 14:03:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:39,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:39,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:39,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:39,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-22 14:03:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:39,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:39,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:39,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:39,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-22 14:03:39,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:39,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:39,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:39,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:39,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 14:03:39,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:39,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:39,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:39,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:39,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:03:39,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:39,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-22 14:03:39,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:39,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-22 14:03:39,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:39,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-22 14:03:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:39,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:39,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:39,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:39,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:39,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:39,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:39,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 14:03:39,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:39,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:39,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:39,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:39,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:03:39,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:39,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-22 14:03:39,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:39,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 14:03:39,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:39,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-22 14:03:39,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:39,733 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 7 proven. 45 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-12-22 14:03:39,733 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:03:39,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141391386] [2021-12-22 14:03:39,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141391386] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 14:03:39,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1077392658] [2021-12-22 14:03:39,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:03:39,734 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 14:03:39,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:03:39,736 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) [2021-12-22 14:03:39,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-22 14:03:40,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:40,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 3044 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-22 14:03:40,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 14:03:40,725 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2021-12-22 14:03:40,725 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 14:03:40,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1077392658] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:03:40,727 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-22 14:03:40,727 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 20 [2021-12-22 14:03:40,727 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360993231] [2021-12-22 14:03:40,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:03:40,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-22 14:03:40,728 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:03:40,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-22 14:03:40,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-12-22 14:03:40,729 INFO L87 Difference]: Start difference. First operand 139 states and 171 transitions. Second operand has 8 states, 7 states have (on average 11.285714285714286) internal successors, (79), 8 states have internal predecessors, (79), 5 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) [2021-12-22 14:03:40,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:03:40,959 INFO L93 Difference]: Finished difference Result 199 states and 244 transitions. [2021-12-22 14:03:40,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-22 14:03:40,959 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.285714285714286) internal successors, (79), 8 states have internal predecessors, (79), 5 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) Word has length 209 [2021-12-22 14:03:40,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:03:40,961 INFO L225 Difference]: With dead ends: 199 [2021-12-22 14:03:40,961 INFO L226 Difference]: Without dead ends: 134 [2021-12-22 14:03:40,962 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=523, Unknown=0, NotChecked=0, Total=600 [2021-12-22 14:03:40,962 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 178 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-22 14:03:40,962 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 541 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-22 14:03:40,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-12-22 14:03:40,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2021-12-22 14:03:40,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 86 states have (on average 1.186046511627907) internal successors, (102), 87 states have internal predecessors, (102), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2021-12-22 14:03:40,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 165 transitions. [2021-12-22 14:03:40,971 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 165 transitions. Word has length 209 [2021-12-22 14:03:40,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:03:40,972 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 165 transitions. [2021-12-22 14:03:40,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.285714285714286) internal successors, (79), 8 states have internal predecessors, (79), 5 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) [2021-12-22 14:03:40,972 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 165 transitions. [2021-12-22 14:03:40,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-12-22 14:03:40,974 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:03:40,974 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-22 14:03:41,004 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-22 14:03:41,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 14:03:41,187 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:03:41,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:03:41,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1017099586, now seen corresponding path program 1 times [2021-12-22 14:03:41,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:03:41,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320926474] [2021-12-22 14:03:41,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:03:41,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:03:41,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:41,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:03:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:41,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 14:03:41,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:41,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:41,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:03:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:41,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 14:03:41,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:41,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-22 14:03:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:41,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:03:41,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:41,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 14:03:41,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:41,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:41,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:41,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:41,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-22 14:03:41,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:41,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:41,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:41,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:41,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-22 14:03:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:41,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:41,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:41,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:41,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:41,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:41,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 14:03:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:41,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:41,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:41,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:03:41,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:41,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-22 14:03:41,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:41,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-22 14:03:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:41,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-22 14:03:41,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:41,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:41,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:41,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:41,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:41,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:41,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:41,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 14:03:41,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:41,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:41,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:41,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:41,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:41,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:03:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:41,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-22 14:03:41,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:41,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-22 14:03:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:41,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-22 14:03:41,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:41,657 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2021-12-22 14:03:41,658 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:03:41,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320926474] [2021-12-22 14:03:41,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320926474] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 14:03:41,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449363029] [2021-12-22 14:03:41,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:03:41,658 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 14:03:41,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:03:41,664 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) [2021-12-22 14:03:41,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-22 14:03:42,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:42,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 3060 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-22 14:03:42,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 14:03:42,460 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-12-22 14:03:42,460 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 14:03:42,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [449363029] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:03:42,460 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-22 14:03:42,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 9 [2021-12-22 14:03:42,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608644898] [2021-12-22 14:03:42,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:03:42,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 14:03:42,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:03:42,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 14:03:42,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-22 14:03:42,462 INFO L87 Difference]: Start difference. First operand 134 states and 165 transitions. Second operand has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-22 14:03:42,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:03:42,513 INFO L93 Difference]: Finished difference Result 250 states and 309 transitions. [2021-12-22 14:03:42,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-22 14:03:42,514 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 211 [2021-12-22 14:03:42,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:03:42,515 INFO L225 Difference]: With dead ends: 250 [2021-12-22 14:03:42,515 INFO L226 Difference]: Without dead ends: 136 [2021-12-22 14:03:42,515 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-12-22 14:03:42,516 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 6 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 726 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 14:03:42,516 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 726 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 14:03:42,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2021-12-22 14:03:42,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 134. [2021-12-22 14:03:42,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 86 states have (on average 1.1744186046511629) internal successors, (101), 87 states have internal predecessors, (101), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2021-12-22 14:03:42,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 164 transitions. [2021-12-22 14:03:42,523 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 164 transitions. Word has length 211 [2021-12-22 14:03:42,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:03:42,524 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 164 transitions. [2021-12-22 14:03:42,524 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-22 14:03:42,524 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 164 transitions. [2021-12-22 14:03:42,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-12-22 14:03:42,526 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:03:42,526 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-22 14:03:42,555 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-22 14:03:42,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 14:03:42,750 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:03:42,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:03:42,750 INFO L85 PathProgramCache]: Analyzing trace with hash 330483892, now seen corresponding path program 1 times [2021-12-22 14:03:42,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:03:42,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810368090] [2021-12-22 14:03:42,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:03:42,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:03:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:42,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:03:42,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:42,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 14:03:42,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:42,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:42,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:42,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:03:42,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:42,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 14:03:42,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:42,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-22 14:03:42,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:42,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:03:42,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:42,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 14:03:43,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:43,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:43,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:43,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:43,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:43,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 14:03:43,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:43,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:43,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:43,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:43,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-22 14:03:43,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:43,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:43,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:43,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:43,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:43,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:43,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:43,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 14:03:43,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:43,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:43,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:43,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:03:43,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:43,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-22 14:03:43,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:43,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 14:03:43,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:43,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-22 14:03:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:43,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:43,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:43,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:43,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:43,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 14:03:43,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:43,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:43,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:43,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:43,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:03:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:43,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-22 14:03:43,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:43,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-22 14:03:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:43,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-22 14:03:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:43,278 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2021-12-22 14:03:43,278 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:03:43,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810368090] [2021-12-22 14:03:43,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810368090] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 14:03:43,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637571207] [2021-12-22 14:03:43,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:03:43,279 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 14:03:43,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:03:43,284 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) [2021-12-22 14:03:43,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-22 14:03:43,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:43,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 3064 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-22 14:03:43,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 14:03:44,085 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-12-22 14:03:44,085 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 14:03:44,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1637571207] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:03:44,086 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-22 14:03:44,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2021-12-22 14:03:44,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475632036] [2021-12-22 14:03:44,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:03:44,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 14:03:44,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:03:44,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 14:03:44,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-12-22 14:03:44,087 INFO L87 Difference]: Start difference. First operand 134 states and 164 transitions. Second operand has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 7 states have internal predecessors, (77), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-22 14:03:44,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:03:44,168 INFO L93 Difference]: Finished difference Result 250 states and 307 transitions. [2021-12-22 14:03:44,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 14:03:44,169 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 7 states have internal predecessors, (77), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 213 [2021-12-22 14:03:44,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:03:44,170 INFO L225 Difference]: With dead ends: 250 [2021-12-22 14:03:44,170 INFO L226 Difference]: Without dead ends: 136 [2021-12-22 14:03:44,171 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2021-12-22 14:03:44,172 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 16 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 14:03:44,172 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 706 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 14:03:44,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2021-12-22 14:03:44,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 134. [2021-12-22 14:03:44,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 86 states have (on average 1.1627906976744187) internal successors, (100), 87 states have internal predecessors, (100), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2021-12-22 14:03:44,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 163 transitions. [2021-12-22 14:03:44,180 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 163 transitions. Word has length 213 [2021-12-22 14:03:44,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:03:44,180 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 163 transitions. [2021-12-22 14:03:44,180 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 7 states have internal predecessors, (77), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-22 14:03:44,181 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 163 transitions. [2021-12-22 14:03:44,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-12-22 14:03:44,183 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:03:44,183 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-22 14:03:44,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-22 14:03:44,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 14:03:44,400 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:03:44,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:03:44,400 INFO L85 PathProgramCache]: Analyzing trace with hash 475207938, now seen corresponding path program 1 times [2021-12-22 14:03:44,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:03:44,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064669589] [2021-12-22 14:03:44,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:03:44,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:03:44,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:44,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:03:44,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:44,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 14:03:44,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:44,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:44,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:44,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:03:44,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:44,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 14:03:44,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:44,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-22 14:03:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:44,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:03:44,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:44,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 14:03:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:44,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:44,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:44,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:44,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:44,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-22 14:03:44,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:44,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:44,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:44,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:44,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-22 14:03:44,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:44,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:44,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:44,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:44,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:44,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:44,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 14:03:44,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:44,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:44,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:44,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:03:44,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:44,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-22 14:03:44,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:44,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-22 14:03:44,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:44,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-22 14:03:44,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:44,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:44,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:44,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:44,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:44,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:44,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:44,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 14:03:44,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:44,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:44,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:44,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:03:44,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:44,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-22 14:03:44,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:44,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-22 14:03:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:44,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-22 14:03:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:44,903 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2021-12-22 14:03:44,904 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:03:44,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064669589] [2021-12-22 14:03:44,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064669589] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 14:03:44,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [116113621] [2021-12-22 14:03:44,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:03:44,905 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 14:03:44,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:03:44,906 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) [2021-12-22 14:03:44,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-22 14:03:45,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:45,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 3068 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-22 14:03:45,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 14:03:45,744 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-12-22 14:03:45,745 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 14:03:45,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [116113621] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:03:45,745 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-22 14:03:45,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2021-12-22 14:03:45,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090194815] [2021-12-22 14:03:45,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:03:45,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 14:03:45,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:03:45,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 14:03:45,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-12-22 14:03:45,746 INFO L87 Difference]: Start difference. First operand 134 states and 163 transitions. Second operand has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 states have internal predecessors, (79), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-22 14:03:45,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:03:45,808 INFO L93 Difference]: Finished difference Result 250 states and 305 transitions. [2021-12-22 14:03:45,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 14:03:45,810 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 states have internal predecessors, (79), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 215 [2021-12-22 14:03:45,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:03:45,812 INFO L225 Difference]: With dead ends: 250 [2021-12-22 14:03:45,812 INFO L226 Difference]: Without dead ends: 136 [2021-12-22 14:03:45,812 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2021-12-22 14:03:45,813 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 16 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 14:03:45,813 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 703 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 14:03:45,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2021-12-22 14:03:45,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 134. [2021-12-22 14:03:45,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 86 states have (on average 1.1511627906976745) internal successors, (99), 87 states have internal predecessors, (99), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2021-12-22 14:03:45,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 162 transitions. [2021-12-22 14:03:45,820 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 162 transitions. Word has length 215 [2021-12-22 14:03:45,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:03:45,820 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 162 transitions. [2021-12-22 14:03:45,820 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 states have internal predecessors, (79), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-22 14:03:45,820 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 162 transitions. [2021-12-22 14:03:45,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-12-22 14:03:45,822 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:03:45,822 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-22 14:03:45,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-12-22 14:03:46,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 14:03:46,048 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:03:46,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:03:46,048 INFO L85 PathProgramCache]: Analyzing trace with hash -980156036, now seen corresponding path program 1 times [2021-12-22 14:03:46,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:03:46,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861416135] [2021-12-22 14:03:46,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:03:46,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:03:46,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:46,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:03:46,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:46,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 14:03:46,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:46,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:46,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:03:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:46,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 14:03:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:46,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-22 14:03:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:46,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:03:46,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:46,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 14:03:46,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:46,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:46,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:46,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:46,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-22 14:03:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:46,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:46,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:46,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:46,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-22 14:03:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:46,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:46,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:46,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:46,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:46,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:46,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 14:03:46,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:46,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:46,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:46,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:03:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:46,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-22 14:03:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:46,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-22 14:03:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:46,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-22 14:03:46,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:46,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:46,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:46,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:46,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:46,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 14:03:46,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:46,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:46,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:46,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:46,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:46,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:03:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:46,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-22 14:03:46,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:46,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-22 14:03:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:46,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-22 14:03:46,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:46,531 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2021-12-22 14:03:46,531 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:03:46,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861416135] [2021-12-22 14:03:46,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861416135] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 14:03:46,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834288009] [2021-12-22 14:03:46,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:03:46,532 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 14:03:46,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:03:46,536 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) [2021-12-22 14:03:46,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-22 14:03:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:47,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 3072 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-22 14:03:47,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 14:03:47,363 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-12-22 14:03:47,364 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 14:03:47,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [834288009] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:03:47,364 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-22 14:03:47,364 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2021-12-22 14:03:47,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317200668] [2021-12-22 14:03:47,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:03:47,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 14:03:47,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:03:47,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 14:03:47,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-12-22 14:03:47,366 INFO L87 Difference]: Start difference. First operand 134 states and 162 transitions. Second operand has 7 states, 6 states have (on average 13.5) internal successors, (81), 7 states have internal predecessors, (81), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-22 14:03:47,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:03:47,439 INFO L93 Difference]: Finished difference Result 250 states and 303 transitions. [2021-12-22 14:03:47,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 14:03:47,440 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.5) internal successors, (81), 7 states have internal predecessors, (81), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 217 [2021-12-22 14:03:47,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:03:47,441 INFO L225 Difference]: With dead ends: 250 [2021-12-22 14:03:47,441 INFO L226 Difference]: Without dead ends: 136 [2021-12-22 14:03:47,441 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2021-12-22 14:03:47,442 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 13 mSDsluCounter, 697 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 14:03:47,442 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 840 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 14:03:47,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2021-12-22 14:03:47,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 134. [2021-12-22 14:03:47,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 86 states have (on average 1.1395348837209303) internal successors, (98), 87 states have internal predecessors, (98), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2021-12-22 14:03:47,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 161 transitions. [2021-12-22 14:03:47,449 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 161 transitions. Word has length 217 [2021-12-22 14:03:47,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:03:47,449 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 161 transitions. [2021-12-22 14:03:47,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.5) internal successors, (81), 7 states have internal predecessors, (81), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-22 14:03:47,449 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 161 transitions. [2021-12-22 14:03:47,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-12-22 14:03:47,450 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:03:47,451 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-22 14:03:47,481 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-12-22 14:03:47,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-22 14:03:47,667 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:03:47,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:03:47,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1598131906, now seen corresponding path program 1 times [2021-12-22 14:03:47,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:03:47,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140506252] [2021-12-22 14:03:47,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:03:47,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:03:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:47,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:03:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:47,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 14:03:47,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:47,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:47,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:03:47,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:47,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 14:03:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:47,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-22 14:03:47,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:47,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:03:47,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:47,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 14:03:47,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:47,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:47,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:47,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:47,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 14:03:47,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:47,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:47,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:47,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:47,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-22 14:03:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:47,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:47,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:47,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:47,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:47,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:48,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 14:03:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:48,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:48,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:48,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:48,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:03:48,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:48,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-22 14:03:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:48,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-22 14:03:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:48,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-22 14:03:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:48,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:48,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:48,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:48,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:48,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 14:03:48,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:48,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:48,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:48,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:48,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:03:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:48,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-22 14:03:48,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:48,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-22 14:03:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:48,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-22 14:03:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:48,144 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 6 proven. 47 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2021-12-22 14:03:48,144 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:03:48,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140506252] [2021-12-22 14:03:48,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140506252] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 14:03:48,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1458351725] [2021-12-22 14:03:48,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:03:48,145 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 14:03:48,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:03:48,146 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) [2021-12-22 14:03:48,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-22 14:03:48,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:48,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 3076 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-22 14:03:48,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 14:03:48,900 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-12-22 14:03:48,900 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 14:03:48,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1458351725] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:03:48,900 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-22 14:03:48,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 9 [2021-12-22 14:03:48,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540441328] [2021-12-22 14:03:48,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:03:48,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 14:03:48,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:03:48,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 14:03:48,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-22 14:03:48,902 INFO L87 Difference]: Start difference. First operand 134 states and 161 transitions. Second operand has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-22 14:03:48,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:03:48,962 INFO L93 Difference]: Finished difference Result 226 states and 280 transitions. [2021-12-22 14:03:48,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-22 14:03:48,963 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 219 [2021-12-22 14:03:48,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:03:48,964 INFO L225 Difference]: With dead ends: 226 [2021-12-22 14:03:48,964 INFO L226 Difference]: Without dead ends: 134 [2021-12-22 14:03:48,964 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-12-22 14:03:48,965 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 6 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 734 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 14:03:48,965 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 734 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 14:03:48,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-12-22 14:03:48,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2021-12-22 14:03:48,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 86 states have (on average 1.127906976744186) internal successors, (97), 87 states have internal predecessors, (97), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2021-12-22 14:03:48,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 160 transitions. [2021-12-22 14:03:48,972 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 160 transitions. Word has length 219 [2021-12-22 14:03:48,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:03:48,973 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 160 transitions. [2021-12-22 14:03:48,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-22 14:03:48,973 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 160 transitions. [2021-12-22 14:03:48,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-12-22 14:03:48,974 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:03:48,975 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-22 14:03:49,004 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-12-22 14:03:49,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 14:03:49,204 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:03:49,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:03:49,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1516765550, now seen corresponding path program 1 times [2021-12-22 14:03:49,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:03:49,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668667115] [2021-12-22 14:03:49,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:03:49,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:03:49,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:49,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:03:49,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:49,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 14:03:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:49,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:49,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:49,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:03:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:49,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 14:03:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:49,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-22 14:03:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:49,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:03:49,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:49,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 14:03:49,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:49,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:49,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:49,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:49,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:49,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 14:03:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:49,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:49,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:49,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:49,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:49,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-22 14:03:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:49,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:49,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:49,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:49,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:49,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:49,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:03:49,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:49,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:49,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:49,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:49,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-22 14:03:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:49,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 14:03:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:49,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-22 14:03:49,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:49,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-22 14:03:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:49,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:49,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:49,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:49,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:49,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:03:49,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:49,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:49,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:49,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-22 14:03:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:49,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 14:03:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:49,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-22 14:03:49,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:49,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-22 14:03:49,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:49,738 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 8 proven. 50 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-12-22 14:03:49,739 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:03:49,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668667115] [2021-12-22 14:03:49,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668667115] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 14:03:49,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [625209383] [2021-12-22 14:03:49,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:03:49,739 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 14:03:49,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:03:49,741 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) [2021-12-22 14:03:49,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-22 14:03:50,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:50,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 3084 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-22 14:03:50,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 14:03:50,615 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2021-12-22 14:03:50,616 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 14:03:50,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [625209383] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:03:50,616 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-22 14:03:50,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2021-12-22 14:03:50,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917212726] [2021-12-22 14:03:50,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:03:50,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 14:03:50,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:03:50,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 14:03:50,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-12-22 14:03:50,619 INFO L87 Difference]: Start difference. First operand 134 states and 160 transitions. Second operand has 7 states, 6 states have (on average 14.0) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-22 14:03:50,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:03:50,693 INFO L93 Difference]: Finished difference Result 226 states and 278 transitions. [2021-12-22 14:03:50,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 14:03:50,693 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.0) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 223 [2021-12-22 14:03:50,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:03:50,697 INFO L225 Difference]: With dead ends: 226 [2021-12-22 14:03:50,697 INFO L226 Difference]: Without dead ends: 134 [2021-12-22 14:03:50,697 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2021-12-22 14:03:50,698 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 13 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 14:03:50,699 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 709 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 14:03:50,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-12-22 14:03:50,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2021-12-22 14:03:50,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 86 states have (on average 1.1162790697674418) internal successors, (96), 87 states have internal predecessors, (96), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2021-12-22 14:03:50,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 159 transitions. [2021-12-22 14:03:50,708 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 159 transitions. Word has length 223 [2021-12-22 14:03:50,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:03:50,709 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 159 transitions. [2021-12-22 14:03:50,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.0) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-22 14:03:50,709 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2021-12-22 14:03:50,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-12-22 14:03:50,711 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:03:50,711 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-22 14:03:50,743 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-12-22 14:03:50,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-12-22 14:03:50,923 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:03:50,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:03:50,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1438687790, now seen corresponding path program 1 times [2021-12-22 14:03:50,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:03:50,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051851292] [2021-12-22 14:03:50,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:03:50,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:03:51,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:51,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:03:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:51,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 14:03:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:51,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:51,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:03:51,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:51,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 14:03:51,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:51,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-22 14:03:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:51,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:03:51,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:51,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 14:03:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:51,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:51,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:51,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 14:03:51,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:51,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:51,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:51,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:51,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-22 14:03:51,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:51,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:51,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:51,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:51,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:51,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:51,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-22 14:03:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:51,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:51,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:51,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:51,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 14:03:51,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:51,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-22 14:03:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:51,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-22 14:03:51,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:51,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 14:03:51,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:51,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:51,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:51,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:51,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:51,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:51,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:51,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-22 14:03:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:51,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:51,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:51,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:51,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 14:03:51,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:51,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-22 14:03:51,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:51,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-22 14:03:51,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:51,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-22 14:03:51,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:51,456 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 10 proven. 53 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-12-22 14:03:51,457 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:03:51,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051851292] [2021-12-22 14:03:51,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051851292] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 14:03:51,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1993110608] [2021-12-22 14:03:51,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:03:51,458 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 14:03:51,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:03:51,459 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) [2021-12-22 14:03:51,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-12-22 14:03:51,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:51,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 3092 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-22 14:03:51,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 14:03:52,265 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2021-12-22 14:03:52,265 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 14:03:52,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1993110608] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:03:52,265 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-22 14:03:52,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2021-12-22 14:03:52,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931569198] [2021-12-22 14:03:52,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:03:52,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 14:03:52,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:03:52,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 14:03:52,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-12-22 14:03:52,266 INFO L87 Difference]: Start difference. First operand 134 states and 159 transitions. Second operand has 7 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-22 14:03:52,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:03:52,339 INFO L93 Difference]: Finished difference Result 226 states and 276 transitions. [2021-12-22 14:03:52,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 14:03:52,340 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 227 [2021-12-22 14:03:52,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:03:52,341 INFO L225 Difference]: With dead ends: 226 [2021-12-22 14:03:52,341 INFO L226 Difference]: Without dead ends: 134 [2021-12-22 14:03:52,343 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2021-12-22 14:03:52,344 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 11 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 14:03:52,344 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 706 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 14:03:52,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-12-22 14:03:52,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2021-12-22 14:03:52,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 86 states have (on average 1.1046511627906976) internal successors, (95), 87 states have internal predecessors, (95), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2021-12-22 14:03:52,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 158 transitions. [2021-12-22 14:03:52,351 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 158 transitions. Word has length 227 [2021-12-22 14:03:52,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:03:52,351 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 158 transitions. [2021-12-22 14:03:52,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-22 14:03:52,352 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 158 transitions. [2021-12-22 14:03:52,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-12-22 14:03:52,353 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:03:52,353 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-22 14:03:52,379 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-12-22 14:03:52,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-12-22 14:03:52,571 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:03:52,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:03:52,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1444317550, now seen corresponding path program 1 times [2021-12-22 14:03:52,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:03:52,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254670060] [2021-12-22 14:03:52,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:03:52,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:03:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:52,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:03:52,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:52,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 14:03:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:52,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:52,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:52,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:03:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:52,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 14:03:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:52,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-22 14:03:52,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:52,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:03:52,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:52,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 14:03:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:52,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:52,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:52,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:52,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:52,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 14:03:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:52,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:52,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:52,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:52,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:52,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-22 14:03:52,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:52,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:52,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:52,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:52,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:52,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:03:52,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:52,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:52,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:52,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:52,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 14:03:52,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:52,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-22 14:03:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:52,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-22 14:03:52,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:52,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-22 14:03:52,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:52,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:52,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:52,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:52,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:52,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:53,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:03:53,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:53,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:53,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:53,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:53,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 14:03:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:53,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-22 14:03:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:53,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-22 14:03:53,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:53,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-12-22 14:03:53,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:53,054 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 12 proven. 56 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2021-12-22 14:03:53,054 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:03:53,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254670060] [2021-12-22 14:03:53,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254670060] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 14:03:53,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367785018] [2021-12-22 14:03:53,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:03:53,056 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 14:03:53,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:03:53,057 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) [2021-12-22 14:03:53,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-12-22 14:03:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:53,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 3100 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-22 14:03:53,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 14:03:53,948 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-12-22 14:03:53,949 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 14:03:53,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1367785018] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:03:53,949 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-22 14:03:53,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2021-12-22 14:03:53,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006645236] [2021-12-22 14:03:53,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:03:53,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 14:03:53,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:03:53,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 14:03:53,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-12-22 14:03:53,951 INFO L87 Difference]: Start difference. First operand 134 states and 158 transitions. Second operand has 7 states, 6 states have (on average 14.666666666666666) internal successors, (88), 7 states have internal predecessors, (88), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-22 14:03:54,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:03:54,026 INFO L93 Difference]: Finished difference Result 226 states and 274 transitions. [2021-12-22 14:03:54,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 14:03:54,027 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.666666666666666) internal successors, (88), 7 states have internal predecessors, (88), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 231 [2021-12-22 14:03:54,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:03:54,028 INFO L225 Difference]: With dead ends: 226 [2021-12-22 14:03:54,028 INFO L226 Difference]: Without dead ends: 134 [2021-12-22 14:03:54,029 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2021-12-22 14:03:54,032 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 9 mSDsluCounter, 699 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 843 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 14:03:54,032 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 843 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 14:03:54,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-12-22 14:03:54,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2021-12-22 14:03:54,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 86 states have (on average 1.0930232558139534) internal successors, (94), 87 states have internal predecessors, (94), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2021-12-22 14:03:54,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 157 transitions. [2021-12-22 14:03:54,042 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 157 transitions. Word has length 231 [2021-12-22 14:03:54,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:03:54,043 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 157 transitions. [2021-12-22 14:03:54,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.666666666666666) internal successors, (88), 7 states have internal predecessors, (88), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-22 14:03:54,044 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 157 transitions. [2021-12-22 14:03:54,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-12-22 14:03:54,045 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:03:54,046 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-22 14:03:54,074 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-12-22 14:03:54,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-12-22 14:03:54,260 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:03:54,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:03:54,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1472716574, now seen corresponding path program 1 times [2021-12-22 14:03:54,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:03:54,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885576171] [2021-12-22 14:03:54,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:03:54,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:03:54,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:54,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:03:54,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:54,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 14:03:54,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:54,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:54,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:03:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:54,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 14:03:54,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:54,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-22 14:03:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:54,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:03:54,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:54,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 14:03:54,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:54,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:54,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:54,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:54,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 14:03:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:54,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:54,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:54,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:54,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-22 14:03:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:54,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:54,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:54,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:54,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:54,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:54,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-22 14:03:54,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:54,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:54,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:54,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:54,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-22 14:03:54,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:54,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-22 14:03:54,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:54,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-22 14:03:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:54,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-22 14:03:54,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:54,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:54,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:54,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:54,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:54,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:54,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:54,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-22 14:03:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:54,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:54,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:54,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:54,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-22 14:03:54,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:54,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-22 14:03:54,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:54,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-22 14:03:54,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:54,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-22 14:03:54,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:54,775 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2021-12-22 14:03:54,776 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:03:54,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885576171] [2021-12-22 14:03:54,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885576171] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:03:54,776 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:03:54,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 14:03:54,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004518337] [2021-12-22 14:03:54,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:03:54,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 14:03:54,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:03:54,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 14:03:54,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:03:54,788 INFO L87 Difference]: Start difference. First operand 134 states and 157 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2021-12-22 14:03:55,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:03:55,149 INFO L93 Difference]: Finished difference Result 177 states and 205 transitions. [2021-12-22 14:03:55,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 14:03:55,150 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 235 [2021-12-22 14:03:55,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:03:55,151 INFO L225 Difference]: With dead ends: 177 [2021-12-22 14:03:55,151 INFO L226 Difference]: Without dead ends: 137 [2021-12-22 14:03:55,152 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-22 14:03:55,152 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 129 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-22 14:03:55,152 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 307 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-22 14:03:55,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-12-22 14:03:55,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 135. [2021-12-22 14:03:55,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 87 states have (on average 1.0919540229885059) internal successors, (95), 88 states have internal predecessors, (95), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2021-12-22 14:03:55,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 158 transitions. [2021-12-22 14:03:55,159 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 158 transitions. Word has length 235 [2021-12-22 14:03:55,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:03:55,160 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 158 transitions. [2021-12-22 14:03:55,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2021-12-22 14:03:55,160 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 158 transitions. [2021-12-22 14:03:55,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-12-22 14:03:55,161 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:03:55,161 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-22 14:03:55,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-22 14:03:55,162 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:03:55,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:03:55,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1475179209, now seen corresponding path program 1 times [2021-12-22 14:03:55,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:03:55,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811308002] [2021-12-22 14:03:55,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:03:55,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:03:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:55,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:03:55,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:55,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 14:03:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:55,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:55,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:55,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:03:55,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:55,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 14:03:55,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:55,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-22 14:03:55,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:55,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:03:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:55,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 14:03:55,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:55,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:55,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:55,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:55,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 14:03:55,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:55,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:55,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:55,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:55,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-22 14:03:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:55,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:55,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:55,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:55,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:55,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:55,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-22 14:03:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:55,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:55,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:55,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:55,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-22 14:03:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:55,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-22 14:03:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:55,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-22 14:03:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:55,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-22 14:03:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:55,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:55,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:55,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:55,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:55,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:55,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-22 14:03:55,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:55,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:55,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:55,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:55,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:55,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-22 14:03:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:55,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-22 14:03:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:55,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-22 14:03:55,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:55,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-22 14:03:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:55,702 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2021-12-22 14:03:55,702 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:03:55,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811308002] [2021-12-22 14:03:55,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811308002] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 14:03:55,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202863741] [2021-12-22 14:03:55,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:03:55,703 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 14:03:55,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:03:55,708 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) [2021-12-22 14:03:55,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-12-22 14:03:56,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:56,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 3127 conjuncts, 40 conjunts are in the unsatisfiable core [2021-12-22 14:03:56,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 14:03:56,749 INFO L387 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 15 treesize of output 11 [2021-12-22 14:03:56,753 INFO L387 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 13 treesize of output 9 [2021-12-22 14:03:56,925 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-22 14:03:56,926 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-12-22 14:03:56,931 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-22 14:03:56,933 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-22 14:03:56,933 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 10 [2021-12-22 14:03:56,989 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-12-22 14:03:56,990 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 14:03:57,149 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2021-12-22 14:03:57,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 14:03:57,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 14:03:57,230 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-12-22 14:03:57,233 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 22 [2021-12-22 14:03:57,242 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2021-12-22 14:03:57,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 14:03:57,732 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2021-12-22 14:03:57,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202863741] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 14:03:57,733 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 14:03:57,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 12, 9] total 22 [2021-12-22 14:03:57,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686418851] [2021-12-22 14:03:57,733 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 14:03:57,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-12-22 14:03:57,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:03:57,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-12-22 14:03:57,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=413, Unknown=0, NotChecked=0, Total=462 [2021-12-22 14:03:57,735 INFO L87 Difference]: Start difference. First operand 135 states and 158 transitions. Second operand has 22 states, 21 states have (on average 5.190476190476191) internal successors, (109), 18 states have internal predecessors, (109), 6 states have call successors, (42), 6 states have call predecessors, (42), 4 states have return successors, (38), 7 states have call predecessors, (38), 4 states have call successors, (38) [2021-12-22 14:03:58,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:03:58,734 INFO L93 Difference]: Finished difference Result 188 states and 220 transitions. [2021-12-22 14:03:58,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-22 14:03:58,735 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 5.190476190476191) internal successors, (109), 18 states have internal predecessors, (109), 6 states have call successors, (42), 6 states have call predecessors, (42), 4 states have return successors, (38), 7 states have call predecessors, (38), 4 states have call successors, (38) Word has length 236 [2021-12-22 14:03:58,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:03:58,736 INFO L225 Difference]: With dead ends: 188 [2021-12-22 14:03:58,736 INFO L226 Difference]: Without dead ends: 148 [2021-12-22 14:03:58,737 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 551 GetRequests, 523 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=89, Invalid=723, Unknown=0, NotChecked=0, Total=812 [2021-12-22 14:03:58,738 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 175 mSDsluCounter, 826 mSDsCounter, 0 mSdLazyCounter, 1214 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 1565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 1214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 239 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-22 14:03:58,738 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 944 Invalid, 1565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 1214 Invalid, 0 Unknown, 239 Unchecked, 0.8s Time] [2021-12-22 14:03:58,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2021-12-22 14:03:58,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 136. [2021-12-22 14:03:58,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 88 states have (on average 1.0909090909090908) internal successors, (96), 89 states have internal predecessors, (96), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2021-12-22 14:03:58,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 159 transitions. [2021-12-22 14:03:58,751 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 159 transitions. Word has length 236 [2021-12-22 14:03:58,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:03:58,752 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 159 transitions. [2021-12-22 14:03:58,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 5.190476190476191) internal successors, (109), 18 states have internal predecessors, (109), 6 states have call successors, (42), 6 states have call predecessors, (42), 4 states have return successors, (38), 7 states have call predecessors, (38), 4 states have call successors, (38) [2021-12-22 14:03:58,752 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 159 transitions. [2021-12-22 14:03:58,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-12-22 14:03:58,753 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:03:58,753 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-22 14:03:58,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-12-22 14:03:58,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-12-22 14:03:58,980 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:03:58,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:03:58,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1551520894, now seen corresponding path program 2 times [2021-12-22 14:03:58,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:03:58,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297674161] [2021-12-22 14:03:58,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:03:58,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:03:59,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:59,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:03:59,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:59,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 14:03:59,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:59,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:59,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:59,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:03:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:59,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 14:03:59,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:59,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-22 14:03:59,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:59,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:03:59,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:59,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 14:03:59,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:59,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:59,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:59,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:59,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 14:03:59,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:59,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:59,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:59,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:59,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-22 14:03:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:59,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:59,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:59,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:59,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:59,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:59,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:59,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-22 14:03:59,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:59,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:59,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:59,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:59,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-22 14:03:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:59,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-22 14:03:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:59,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-22 14:03:59,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:59,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-22 14:03:59,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:59,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:59,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:59,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:59,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:59,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:59,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:59,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-22 14:03:59,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:59,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:59,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:59,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:03:59,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:59,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-22 14:03:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:59,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-22 14:03:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:59,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-22 14:03:59,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:59,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-22 14:03:59,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:03:59,497 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2021-12-22 14:03:59,497 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:03:59,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297674161] [2021-12-22 14:03:59,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297674161] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 14:03:59,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146164207] [2021-12-22 14:03:59,498 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-22 14:03:59,498 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 14:03:59,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:03:59,499 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 14:03:59,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-12-22 14:04:00,485 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-22 14:04:00,485 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-22 14:04:00,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 3146 conjuncts, 35 conjunts are in the unsatisfiable core [2021-12-22 14:04:00,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 14:04:00,605 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-22 14:04:01,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 14:04:01,122 INFO L387 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 24 treesize of output 23 [2021-12-22 14:04:01,695 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2021-12-22 14:04:01,732 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2021-12-22 14:04:01,733 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 14:04:01,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [146164207] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:04:01,733 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-22 14:04:01,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [8] total 16 [2021-12-22 14:04:01,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444332204] [2021-12-22 14:04:01,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:04:01,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-22 14:04:01,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:04:01,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-22 14:04:01,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2021-12-22 14:04:01,735 INFO L87 Difference]: Start difference. First operand 136 states and 159 transitions. Second operand has 10 states, 10 states have (on average 7.2) internal successors, (72), 9 states have internal predecessors, (72), 7 states have call successors, (23), 3 states have call predecessors, (23), 4 states have return successors, (22), 8 states have call predecessors, (22), 7 states have call successors, (22) [2021-12-22 14:04:01,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:04:01,817 INFO L93 Difference]: Finished difference Result 233 states and 271 transitions. [2021-12-22 14:04:01,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-22 14:04:01,817 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 9 states have internal predecessors, (72), 7 states have call successors, (23), 3 states have call predecessors, (23), 4 states have return successors, (22), 8 states have call predecessors, (22), 7 states have call successors, (22) Word has length 237 [2021-12-22 14:04:01,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:04:01,819 INFO L225 Difference]: With dead ends: 233 [2021-12-22 14:04:01,819 INFO L226 Difference]: Without dead ends: 188 [2021-12-22 14:04:01,819 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 276 SyntacticMatches, 19 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2021-12-22 14:04:01,820 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 21 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 720 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 60 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 14:04:01,820 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 720 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 62 Invalid, 0 Unknown, 60 Unchecked, 0.0s Time] [2021-12-22 14:04:01,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2021-12-22 14:04:01,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2021-12-22 14:04:01,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 125 states have (on average 1.096) internal successors, (137), 125 states have internal predecessors, (137), 41 states have call successors, (41), 21 states have call predecessors, (41), 21 states have return successors, (42), 41 states have call predecessors, (42), 40 states have call successors, (42) [2021-12-22 14:04:01,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 220 transitions. [2021-12-22 14:04:01,834 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 220 transitions. Word has length 237 [2021-12-22 14:04:01,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:04:01,835 INFO L470 AbstractCegarLoop]: Abstraction has 188 states and 220 transitions. [2021-12-22 14:04:01,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 9 states have internal predecessors, (72), 7 states have call successors, (23), 3 states have call predecessors, (23), 4 states have return successors, (22), 8 states have call predecessors, (22), 7 states have call successors, (22) [2021-12-22 14:04:01,835 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 220 transitions. [2021-12-22 14:04:01,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-12-22 14:04:01,836 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:04:01,837 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-22 14:04:01,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-12-22 14:04:02,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 14:04:02,051 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:04:02,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:04:02,052 INFO L85 PathProgramCache]: Analyzing trace with hash -2060993984, now seen corresponding path program 1 times [2021-12-22 14:04:02,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:04:02,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849604678] [2021-12-22 14:04:02,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:04:02,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:04:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:02,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:04:02,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:02,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 14:04:02,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:02,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:02,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:02,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:04:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:02,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 14:04:02,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:02,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-22 14:04:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:02,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:04:02,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:02,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 14:04:02,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:02,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:02,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:02,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:02,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 14:04:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:02,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:02,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:02,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:02,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:02,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-22 14:04:02,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:02,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:02,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:02,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:02,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-22 14:04:02,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:02,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:02,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:02,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:02,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-22 14:04:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:02,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-22 14:04:02,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:02,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-22 14:04:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:02,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-22 14:04:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:02,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:02,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:02,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:02,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:02,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-22 14:04:02,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:02,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:02,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:02,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:02,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-22 14:04:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:02,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-22 14:04:02,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:02,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-22 14:04:02,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:02,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-22 14:04:02,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:02,756 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2021-12-22 14:04:02,757 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:04:02,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849604678] [2021-12-22 14:04:02,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849604678] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 14:04:02,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293737528] [2021-12-22 14:04:02,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:04:02,757 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 14:04:02,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:04:02,759 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 14:04:02,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-12-22 14:04:03,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:03,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 3151 conjuncts, 46 conjunts are in the unsatisfiable core [2021-12-22 14:04:03,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 14:04:03,703 INFO L387 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 14 treesize of output 10 [2021-12-22 14:04:03,710 INFO L387 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 16 treesize of output 12 [2021-12-22 14:04:03,748 INFO L353 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-12-22 14:04:03,748 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2021-12-22 14:04:03,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 14:04:03,753 INFO L387 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 23 treesize of output 22 [2021-12-22 14:04:03,836 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-12-22 14:04:03,839 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-12-22 14:04:03,878 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-12-22 14:04:03,878 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 14:04:04,028 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 69 [2021-12-22 14:04:04,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 14:04:04,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 14:04:04,045 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-22 14:04:04,162 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2021-12-22 14:04:04,164 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 132 [2021-12-22 14:04:04,206 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2021-12-22 14:04:04,208 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 54 [2021-12-22 14:04:04,679 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2021-12-22 14:04:04,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293737528] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 14:04:04,679 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 14:04:04,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 10] total 26 [2021-12-22 14:04:04,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993858681] [2021-12-22 14:04:04,680 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 14:04:04,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-12-22 14:04:04,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:04:04,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-12-22 14:04:04,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2021-12-22 14:04:04,682 INFO L87 Difference]: Start difference. First operand 188 states and 220 transitions. Second operand has 26 states, 25 states have (on average 4.28) internal successors, (107), 22 states have internal predecessors, (107), 5 states have call successors, (39), 5 states have call predecessors, (39), 4 states have return successors, (36), 6 states have call predecessors, (36), 4 states have call successors, (36) [2021-12-22 14:04:06,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:04:06,057 INFO L93 Difference]: Finished difference Result 244 states and 285 transitions. [2021-12-22 14:04:06,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-22 14:04:06,057 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.28) internal successors, (107), 22 states have internal predecessors, (107), 5 states have call successors, (39), 5 states have call predecessors, (39), 4 states have return successors, (36), 6 states have call predecessors, (36), 4 states have call successors, (36) Word has length 237 [2021-12-22 14:04:06,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:04:06,059 INFO L225 Difference]: With dead ends: 244 [2021-12-22 14:04:06,059 INFO L226 Difference]: Without dead ends: 204 [2021-12-22 14:04:06,060 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 567 GetRequests, 527 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=160, Invalid=1322, Unknown=0, NotChecked=0, Total=1482 [2021-12-22 14:04:06,061 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 197 mSDsluCounter, 927 mSDsCounter, 0 mSdLazyCounter, 1852 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 1036 SdHoareTripleChecker+Invalid, 2124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 1852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 129 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-22 14:04:06,061 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [200 Valid, 1036 Invalid, 2124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 1852 Invalid, 0 Unknown, 129 Unchecked, 1.0s Time] [2021-12-22 14:04:06,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2021-12-22 14:04:06,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 193. [2021-12-22 14:04:06,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 129 states have (on average 1.0930232558139534) internal successors, (141), 129 states have internal predecessors, (141), 41 states have call successors, (41), 22 states have call predecessors, (41), 22 states have return successors, (42), 41 states have call predecessors, (42), 40 states have call successors, (42) [2021-12-22 14:04:06,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 224 transitions. [2021-12-22 14:04:06,072 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 224 transitions. Word has length 237 [2021-12-22 14:04:06,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:04:06,073 INFO L470 AbstractCegarLoop]: Abstraction has 193 states and 224 transitions. [2021-12-22 14:04:06,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.28) internal successors, (107), 22 states have internal predecessors, (107), 5 states have call successors, (39), 5 states have call predecessors, (39), 4 states have return successors, (36), 6 states have call predecessors, (36), 4 states have call successors, (36) [2021-12-22 14:04:06,073 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 224 transitions. [2021-12-22 14:04:06,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-12-22 14:04:06,075 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:04:06,075 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-22 14:04:06,100 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2021-12-22 14:04:06,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-12-22 14:04:06,287 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:04:06,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:04:06,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1500841232, now seen corresponding path program 1 times [2021-12-22 14:04:06,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:04:06,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518761826] [2021-12-22 14:04:06,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:04:06,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:04:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:06,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:04:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:06,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 14:04:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:06,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:06,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:06,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:04:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:06,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 14:04:06,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:06,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-22 14:04:06,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:06,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:04:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:06,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 14:04:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:06,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:06,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:06,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 14:04:06,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:06,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:06,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:06,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-22 14:04:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:06,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:06,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:06,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:06,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-22 14:04:06,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:06,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:06,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:06,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:06,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:06,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-22 14:04:06,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:06,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-22 14:04:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:06,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-22 14:04:06,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:06,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-22 14:04:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:06,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:06,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:06,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:06,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:06,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:06,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-22 14:04:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:06,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:06,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:06,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:06,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:06,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-22 14:04:06,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:06,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-22 14:04:06,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:06,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-22 14:04:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:06,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-22 14:04:06,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:06,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-22 14:04:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:06,842 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2021-12-22 14:04:06,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:04:06,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518761826] [2021-12-22 14:04:06,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518761826] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 14:04:06,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1411269219] [2021-12-22 14:04:06,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:04:06,843 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 14:04:06,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:04:06,844 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 14:04:06,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-12-22 14:04:07,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:07,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 3183 conjuncts, 48 conjunts are in the unsatisfiable core [2021-12-22 14:04:07,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 14:04:07,577 INFO L387 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 13 treesize of output 9 [2021-12-22 14:04:08,381 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 165 proven. 6 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2021-12-22 14:04:08,382 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 14:04:09,183 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2021-12-22 14:04:09,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1411269219] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 14:04:09,184 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 14:04:09,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13, 10] total 27 [2021-12-22 14:04:09,184 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565410924] [2021-12-22 14:04:09,184 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 14:04:09,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-12-22 14:04:09,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:04:09,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-12-22 14:04:09,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2021-12-22 14:04:09,186 INFO L87 Difference]: Start difference. First operand 193 states and 224 transitions. Second operand has 27 states, 25 states have (on average 6.96) internal successors, (174), 23 states have internal predecessors, (174), 13 states have call successors, (61), 5 states have call predecessors, (61), 7 states have return successors, (60), 10 states have call predecessors, (60), 13 states have call successors, (60) [2021-12-22 14:04:10,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:04:10,696 INFO L93 Difference]: Finished difference Result 442 states and 531 transitions. [2021-12-22 14:04:10,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-12-22 14:04:10,697 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 25 states have (on average 6.96) internal successors, (174), 23 states have internal predecessors, (174), 13 states have call successors, (61), 5 states have call predecessors, (61), 7 states have return successors, (60), 10 states have call predecessors, (60), 13 states have call successors, (60) Word has length 244 [2021-12-22 14:04:10,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:04:10,699 INFO L225 Difference]: With dead ends: 442 [2021-12-22 14:04:10,699 INFO L226 Difference]: Without dead ends: 367 [2021-12-22 14:04:10,700 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 584 GetRequests, 539 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=214, Invalid=1766, Unknown=0, NotChecked=0, Total=1980 [2021-12-22 14:04:10,701 INFO L933 BasicCegarLoop]: 178 mSDtfsCounter, 251 mSDsluCounter, 1081 mSDsCounter, 0 mSdLazyCounter, 1425 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 1259 SdHoareTripleChecker+Invalid, 2312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 1425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 738 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-22 14:04:10,701 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [272 Valid, 1259 Invalid, 2312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 1425 Invalid, 0 Unknown, 738 Unchecked, 1.0s Time] [2021-12-22 14:04:10,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2021-12-22 14:04:10,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 307. [2021-12-22 14:04:10,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 213 states have (on average 1.0985915492957747) internal successors, (234), 215 states have internal predecessors, (234), 57 states have call successors, (57), 34 states have call predecessors, (57), 36 states have return successors, (70), 57 states have call predecessors, (70), 56 states have call successors, (70) [2021-12-22 14:04:10,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 361 transitions. [2021-12-22 14:04:10,722 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 361 transitions. Word has length 244 [2021-12-22 14:04:10,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:04:10,722 INFO L470 AbstractCegarLoop]: Abstraction has 307 states and 361 transitions. [2021-12-22 14:04:10,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 25 states have (on average 6.96) internal successors, (174), 23 states have internal predecessors, (174), 13 states have call successors, (61), 5 states have call predecessors, (61), 7 states have return successors, (60), 10 states have call predecessors, (60), 13 states have call successors, (60) [2021-12-22 14:04:10,723 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 361 transitions. [2021-12-22 14:04:10,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-12-22 14:04:10,724 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:04:10,725 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-22 14:04:10,755 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2021-12-22 14:04:10,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 14:04:10,947 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:04:10,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:04:10,947 INFO L85 PathProgramCache]: Analyzing trace with hash 367580537, now seen corresponding path program 1 times [2021-12-22 14:04:10,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:04:10,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629601322] [2021-12-22 14:04:10,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:04:10,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:04:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:11,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:04:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:11,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 14:04:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:11,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:11,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:04:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:11,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 14:04:11,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:11,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-22 14:04:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:11,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:04:11,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:11,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 14:04:11,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:11,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:11,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:11,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:11,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:11,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 14:04:11,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:11,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:11,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:11,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:11,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:11,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-22 14:04:11,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:11,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:11,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:11,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:11,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:11,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:11,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:11,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-22 14:04:11,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:11,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:11,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:11,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-22 14:04:11,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:11,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-22 14:04:11,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:11,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-22 14:04:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:11,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-22 14:04:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:11,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:11,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:11,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:11,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:11,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-22 14:04:11,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:11,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:11,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:11,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:11,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-22 14:04:11,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:11,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-22 14:04:11,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:11,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-22 14:04:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:11,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-22 14:04:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:11,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-22 14:04:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:11,553 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2021-12-22 14:04:11,553 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:04:11,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629601322] [2021-12-22 14:04:11,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629601322] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 14:04:11,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48021186] [2021-12-22 14:04:11,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:04:11,554 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 14:04:11,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:04:11,555 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 14:04:11,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-12-22 14:04:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:12,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 3197 conjuncts, 25 conjunts are in the unsatisfiable core [2021-12-22 14:04:12,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 14:04:12,512 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2021-12-22 14:04:12,512 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 14:04:12,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48021186] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:04:12,513 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-22 14:04:12,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2021-12-22 14:04:12,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796021040] [2021-12-22 14:04:12,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:04:12,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-22 14:04:12,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:04:12,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-22 14:04:12,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2021-12-22 14:04:12,514 INFO L87 Difference]: Start difference. First operand 307 states and 361 transitions. Second operand has 8 states, 7 states have (on average 15.571428571428571) internal successors, (109), 7 states have internal predecessors, (109), 3 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-12-22 14:04:12,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:04:12,601 INFO L93 Difference]: Finished difference Result 475 states and 554 transitions. [2021-12-22 14:04:12,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-22 14:04:12,602 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 15.571428571428571) internal successors, (109), 7 states have internal predecessors, (109), 3 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 245 [2021-12-22 14:04:12,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:04:12,604 INFO L225 Difference]: With dead ends: 475 [2021-12-22 14:04:12,604 INFO L226 Difference]: Without dead ends: 310 [2021-12-22 14:04:12,605 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2021-12-22 14:04:12,605 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 2 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 983 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 14:04:12,605 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 983 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 14:04:12,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2021-12-22 14:04:12,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 298. [2021-12-22 14:04:12,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 206 states have (on average 1.0922330097087378) internal successors, (225), 208 states have internal predecessors, (225), 55 states have call successors, (55), 34 states have call predecessors, (55), 36 states have return successors, (62), 55 states have call predecessors, (62), 54 states have call successors, (62) [2021-12-22 14:04:12,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 342 transitions. [2021-12-22 14:04:12,623 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 342 transitions. Word has length 245 [2021-12-22 14:04:12,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:04:12,624 INFO L470 AbstractCegarLoop]: Abstraction has 298 states and 342 transitions. [2021-12-22 14:04:12,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 15.571428571428571) internal successors, (109), 7 states have internal predecessors, (109), 3 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-12-22 14:04:12,624 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 342 transitions. [2021-12-22 14:04:12,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-12-22 14:04:12,626 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:04:12,626 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-22 14:04:12,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-12-22 14:04:12,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 14:04:12,849 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:04:12,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:04:12,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1201861317, now seen corresponding path program 1 times [2021-12-22 14:04:12,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:04:12,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71133948] [2021-12-22 14:04:12,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:04:12,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:04:12,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:13,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:04:13,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:13,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 14:04:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:13,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:13,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:04:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:13,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 14:04:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:13,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-22 14:04:13,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:13,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:04:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:13,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 14:04:13,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:13,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:13,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:13,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:13,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:13,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 14:04:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:13,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:13,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:13,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:13,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-22 14:04:13,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:13,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:13,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:13,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:13,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:13,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-22 14:04:13,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:13,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:13,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:13,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-22 14:04:13,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:13,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-22 14:04:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:13,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-22 14:04:13,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:13,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-22 14:04:13,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:13,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:13,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:13,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:13,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:13,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:13,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-22 14:04:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:13,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:13,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:13,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:04:13,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:13,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-22 14:04:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:13,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-22 14:04:13,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:13,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-22 14:04:13,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:13,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-22 14:04:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:13,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-22 14:04:13,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:13,381 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2021-12-22 14:04:13,381 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:04:13,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71133948] [2021-12-22 14:04:13,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71133948] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 14:04:13,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [471825758] [2021-12-22 14:04:13,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:04:13,382 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 14:04:13,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:04:13,383 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 14:04:13,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-12-22 14:04:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:04:13,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 3202 conjuncts, 65 conjunts are in the unsatisfiable core [2021-12-22 14:04:13,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 14:04:14,010 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-22 14:04:14,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 14:04:14,480 INFO L387 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 24 treesize of output 23 [2021-12-22 14:04:15,364 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2021-12-22 14:04:15,365 INFO L328 TraceCheckSpWp]: Computing backward predicates...