./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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_acquire_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 29d7fb95278c2cc136033d841944b6b6554a35073619295af30129693cec9c54 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 03:23:02,708 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 03:23:02,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 03:23:02,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 03:23:02,750 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 03:23:02,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 03:23:02,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 03:23:02,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 03:23:02,759 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 03:23:02,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 03:23:02,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 03:23:02,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 03:23:02,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 03:23:02,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 03:23:02,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 03:23:02,772 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 03:23:02,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 03:23:02,774 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 03:23:02,775 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 03:23:02,779 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 03:23:02,782 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 03:23:02,783 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 03:23:02,783 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 03:23:02,784 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 03:23:02,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 03:23:02,787 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 03:23:02,787 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 03:23:02,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 03:23:02,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 03:23:02,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 03:23:02,789 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 03:23:02,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 03:23:02,790 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 03:23:02,791 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 03:23:02,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 03:23:02,792 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 03:23:02,792 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 03:23:02,792 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 03:23:02,792 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 03:23:02,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 03:23:02,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 03:23:02,794 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 03:23:02,814 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 03:23:02,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 03:23:02,818 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 03:23:02,819 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 03:23:02,819 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 03:23:02,820 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 03:23:02,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 03:23:02,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 03:23:02,820 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 03:23:02,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 03:23:02,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 03:23:02,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 03:23:02,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 03:23:02,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 03:23:02,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 03:23:02,822 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 03:23:02,822 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 03:23:02,822 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 03:23:02,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 03:23:02,822 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 03:23:02,823 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 03:23:02,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 03:23:02,823 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 03:23:02,823 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 03:23:02,823 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 03:23:02,823 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 03:23:02,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 03:23:02,824 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 03:23:02,824 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 03:23:02,824 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 03:23:02,824 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 03:23:02,824 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29d7fb95278c2cc136033d841944b6b6554a35073619295af30129693cec9c54 [2021-12-16 03:23:03,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 03:23:03,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 03:23:03,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 03:23:03,028 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 03:23:03,029 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 03:23:03,030 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i [2021-12-16 03:23:03,070 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f57392c1f/980d6b7760784daa9e66c7f7ec867af1/FLAG4f612c303 [2021-12-16 03:23:03,695 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 03:23:03,695 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i [2021-12-16 03:23:03,724 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f57392c1f/980d6b7760784daa9e66c7f7ec867af1/FLAG4f612c303 [2021-12-16 03:23:04,129 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f57392c1f/980d6b7760784daa9e66c7f7ec867af1 [2021-12-16 03:23:04,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 03:23:04,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 03:23:04,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 03:23:04,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 03:23:04,155 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 03:23:04,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:23:04" (1/1) ... [2021-12-16 03:23:04,156 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b1b78f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:23:04, skipping insertion in model container [2021-12-16 03:23:04,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:23:04" (1/1) ... [2021-12-16 03:23:04,161 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 03:23:04,246 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 03:23:04,486 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_acquire_harness.i[4497,4510] [2021-12-16 03:23:04,493 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_acquire_harness.i[4557,4570] [2021-12-16 03:23:05,029 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:05,030 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:05,030 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:05,031 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:05,031 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:05,042 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:05,042 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:05,044 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:05,044 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:05,276 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-16 03:23:05,277 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-16 03:23:05,286 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-16 03:23:05,287 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-16 03:23:05,291 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-16 03:23:05,293 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-16 03:23:05,295 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-16 03:23:05,296 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-16 03:23:05,299 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-16 03:23:05,301 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-16 03:23:05,431 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-16 03:23:05,559 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:05,579 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:05,636 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 03:23:05,678 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 03:23:05,695 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_acquire_harness.i[4497,4510] [2021-12-16 03:23:05,696 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_acquire_harness.i[4557,4570] [2021-12-16 03:23:05,732 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:05,732 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:05,733 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:05,734 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:05,734 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:05,740 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:05,741 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:05,742 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:05,742 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:05,770 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-16 03:23:05,771 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-16 03:23:05,771 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-16 03:23:05,772 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-16 03:23:05,777 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-16 03:23:05,777 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-16 03:23:05,777 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-16 03:23:05,778 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-16 03:23:05,778 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-16 03:23:05,778 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-16 03:23:05,796 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-16 03:23:05,839 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:05,839 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:05,883 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 03:23:06,108 INFO L208 MainTranslator]: Completed translation [2021-12-16 03:23:06,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:23:06 WrapperNode [2021-12-16 03:23:06,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 03:23:06,109 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 03:23:06,109 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 03:23:06,109 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 03:23:06,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:23:06" (1/1) ... [2021-12-16 03:23:06,209 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:23:06" (1/1) ... [2021-12-16 03:23:06,257 INFO L137 Inliner]: procedures = 695, calls = 2936, calls flagged for inlining = 62, calls inlined = 12, statements flattened = 1179 [2021-12-16 03:23:06,258 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 03:23:06,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 03:23:06,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 03:23:06,258 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 03:23:06,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:23:06" (1/1) ... [2021-12-16 03:23:06,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:23:06" (1/1) ... [2021-12-16 03:23:06,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:23:06" (1/1) ... [2021-12-16 03:23:06,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:23:06" (1/1) ... [2021-12-16 03:23:06,295 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:23:06" (1/1) ... [2021-12-16 03:23:06,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:23:06" (1/1) ... [2021-12-16 03:23:06,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:23:06" (1/1) ... [2021-12-16 03:23:06,312 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 03:23:06,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 03:23:06,313 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 03:23:06,313 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 03:23:06,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:23:06" (1/1) ... [2021-12-16 03:23:06,325 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 03:23:06,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:23:06,360 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) [2021-12-16 03:23:06,394 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 [2021-12-16 03:23:06,405 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2021-12-16 03:23:06,405 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2021-12-16 03:23:06,405 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_store_n [2021-12-16 03:23:06,405 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2021-12-16 03:23:06,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 03:23:06,406 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-16 03:23:06,406 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-16 03:23:06,406 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2021-12-16 03:23:06,406 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2021-12-16 03:23:06,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 03:23:06,407 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-16 03:23:06,407 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-16 03:23:06,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-16 03:23:06,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-16 03:23:06,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 03:23:06,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 03:23:06,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 03:23:06,408 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2021-12-16 03:23:06,408 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2021-12-16 03:23:06,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 03:23:06,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 03:23:06,409 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-16 03:23:06,409 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-16 03:23:06,409 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2021-12-16 03:23:06,409 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2021-12-16 03:23:06,409 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-16 03:23:06,410 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-16 03:23:06,410 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2021-12-16 03:23:06,410 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2021-12-16 03:23:06,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 03:23:06,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 03:23:06,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 03:23:06,411 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2021-12-16 03:23:06,411 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2021-12-16 03:23:06,411 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2021-12-16 03:23:06,411 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2021-12-16 03:23:06,411 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-16 03:23:06,412 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-16 03:23:06,412 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2021-12-16 03:23:06,412 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2021-12-16 03:23:06,412 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2021-12-16 03:23:06,412 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2021-12-16 03:23:06,412 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-16 03:23:06,412 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-16 03:23:06,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 03:23:06,413 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2021-12-16 03:23:06,413 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2021-12-16 03:23:06,413 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2021-12-16 03:23:06,413 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2021-12-16 03:23:06,413 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2021-12-16 03:23:06,413 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2021-12-16 03:23:06,413 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2021-12-16 03:23:06,413 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2021-12-16 03:23:06,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 03:23:06,718 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 03:23:06,719 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 03:23:07,478 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 03:23:07,489 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 03:23:07,490 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-16 03:23:07,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:23:07 BoogieIcfgContainer [2021-12-16 03:23:07,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 03:23:07,493 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 03:23:07,493 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 03:23:07,496 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 03:23:07,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 03:23:04" (1/3) ... [2021-12-16 03:23:07,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35ef0114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:23:07, skipping insertion in model container [2021-12-16 03:23:07,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:23:06" (2/3) ... [2021-12-16 03:23:07,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35ef0114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:23:07, skipping insertion in model container [2021-12-16 03:23:07,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:23:07" (3/3) ... [2021-12-16 03:23:07,498 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_harness.i [2021-12-16 03:23:07,505 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 03:23:07,505 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-16 03:23:07,547 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 03:23:07,564 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 [2021-12-16 03:23:07,566 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-16 03:23:07,590 INFO L276 IsEmpty]: Start isEmpty. Operand has 393 states, 228 states have (on average 1.2105263157894737) internal successors, (276), 231 states have internal predecessors, (276), 142 states have call successors, (142), 20 states have call predecessors, (142), 20 states have return successors, (142), 142 states have call predecessors, (142), 142 states have call successors, (142) [2021-12-16 03:23:07,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-16 03:23:07,595 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:07,596 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] [2021-12-16 03:23:07,597 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:07,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:07,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1929197217, now seen corresponding path program 1 times [2021-12-16 03:23:07,611 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:07,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720413376] [2021-12-16 03:23:07,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:07,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:07,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:07,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:07,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:23:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:07,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:07,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:07,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:08,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:08,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:08,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:08,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:23:08,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:08,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:08,027 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-16 03:23:08,028 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:08,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720413376] [2021-12-16 03:23:08,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720413376] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:23:08,029 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:23:08,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 03:23:08,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022426690] [2021-12-16 03:23:08,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:23:08,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 03:23:08,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:08,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 03:23:08,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 03:23:08,053 INFO L87 Difference]: Start difference. First operand has 393 states, 228 states have (on average 1.2105263157894737) internal successors, (276), 231 states have internal predecessors, (276), 142 states have call successors, (142), 20 states have call predecessors, (142), 20 states have return successors, (142), 142 states have call predecessors, (142), 142 states have call successors, (142) 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) [2021-12-16 03:23:08,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:08,521 INFO L93 Difference]: Finished difference Result 780 states and 1224 transitions. [2021-12-16 03:23:08,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 03:23:08,523 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 [2021-12-16 03:23:08,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:08,532 INFO L225 Difference]: With dead ends: 780 [2021-12-16 03:23:08,532 INFO L226 Difference]: Without dead ends: 387 [2021-12-16 03:23:08,538 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 [2021-12-16 03:23:08,540 INFO L933 BasicCegarLoop]: 536 mSDtfsCounter, 118 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-16 03:23:08,541 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 687 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-16 03:23:08,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2021-12-16 03:23:08,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 387. [2021-12-16 03:23:08,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 223 states have (on average 1.1928251121076232) internal successors, (266), 226 states have internal predecessors, (266), 142 states have call successors, (142), 20 states have call predecessors, (142), 20 states have return successors, (141), 141 states have call predecessors, (141), 141 states have call successors, (141) [2021-12-16 03:23:08,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 549 transitions. [2021-12-16 03:23:08,592 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 549 transitions. Word has length 52 [2021-12-16 03:23:08,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:08,593 INFO L470 AbstractCegarLoop]: Abstraction has 387 states and 549 transitions. [2021-12-16 03:23:08,593 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) [2021-12-16 03:23:08,594 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 549 transitions. [2021-12-16 03:23:08,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-16 03:23:08,595 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:08,595 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] [2021-12-16 03:23:08,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 03:23:08,596 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:08,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:08,596 INFO L85 PathProgramCache]: Analyzing trace with hash 983350755, now seen corresponding path program 1 times [2021-12-16 03:23:08,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:08,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710369205] [2021-12-16 03:23:08,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:08,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:08,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:08,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:08,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:23:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:08,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:08,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:08,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:08,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:08,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:23:08,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:08,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:08,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:08,810 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-16 03:23:08,810 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:08,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710369205] [2021-12-16 03:23:08,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710369205] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:23:08,810 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:23:08,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-16 03:23:08,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153962209] [2021-12-16 03:23:08,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:23:08,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-16 03:23:08,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:08,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-16 03:23:08,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-16 03:23:08,813 INFO L87 Difference]: Start difference. First operand 387 states and 549 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) [2021-12-16 03:23:09,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:09,588 INFO L93 Difference]: Finished difference Result 769 states and 1142 transitions. [2021-12-16 03:23:09,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 03:23:09,589 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 [2021-12-16 03:23:09,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:09,592 INFO L225 Difference]: With dead ends: 769 [2021-12-16 03:23:09,592 INFO L226 Difference]: Without dead ends: 399 [2021-12-16 03:23:09,594 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 [2021-12-16 03:23:09,595 INFO L933 BasicCegarLoop]: 521 mSDtfsCounter, 158 mSDsluCounter, 2215 mSDsCounter, 0 mSdLazyCounter, 813 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 2736 SdHoareTripleChecker+Invalid, 969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-16 03:23:09,595 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [174 Valid, 2736 Invalid, 969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 813 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-16 03:23:09,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2021-12-16 03:23:09,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 399. [2021-12-16 03:23:09,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 232 states have (on average 1.1982758620689655) internal successors, (278), 235 states have internal predecessors, (278), 143 states have call successors, (143), 22 states have call predecessors, (143), 22 states have return successors, (142), 142 states have call predecessors, (142), 142 states have call successors, (142) [2021-12-16 03:23:09,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 563 transitions. [2021-12-16 03:23:09,614 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 563 transitions. Word has length 52 [2021-12-16 03:23:09,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:09,614 INFO L470 AbstractCegarLoop]: Abstraction has 399 states and 563 transitions. [2021-12-16 03:23:09,615 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) [2021-12-16 03:23:09,615 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 563 transitions. [2021-12-16 03:23:09,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-12-16 03:23:09,616 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:09,616 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] [2021-12-16 03:23:09,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 03:23:09,617 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:09,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:09,617 INFO L85 PathProgramCache]: Analyzing trace with hash 221704994, now seen corresponding path program 1 times [2021-12-16 03:23:09,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:09,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941586763] [2021-12-16 03:23:09,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:09,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:09,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:09,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:09,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:09,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:23:09,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:09,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:09,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:09,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:09,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:09,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:09,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:09,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:23:09,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:09,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:09,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:09,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:23:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:09,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:09,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:09,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:09,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-16 03:23:09,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:09,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:09,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:09,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:09,931 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-16 03:23:09,931 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:09,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941586763] [2021-12-16 03:23:09,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941586763] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:09,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257569290] [2021-12-16 03:23:09,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:09,932 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:09,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:23:09,940 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) [2021-12-16 03:23:09,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-16 03:23:10,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:10,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 2575 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-16 03:23:10,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:23:10,566 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-12-16 03:23:10,566 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:23:10,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257569290] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:23:10,566 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 03:23:10,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2021-12-16 03:23:10,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761924331] [2021-12-16 03:23:10,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:23:10,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 03:23:10,567 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:10,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 03:23:10,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-12-16 03:23:10,568 INFO L87 Difference]: Start difference. First operand 399 states and 563 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) [2021-12-16 03:23:10,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:10,625 INFO L93 Difference]: Finished difference Result 415 states and 582 transitions. [2021-12-16 03:23:10,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 03:23:10,633 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 [2021-12-16 03:23:10,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:10,636 INFO L225 Difference]: With dead ends: 415 [2021-12-16 03:23:10,636 INFO L226 Difference]: Without dead ends: 412 [2021-12-16 03:23:10,636 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 [2021-12-16 03:23:10,637 INFO L933 BasicCegarLoop]: 549 mSDtfsCounter, 26 mSDsluCounter, 2706 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 3255 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 03:23:10,637 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 3255 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 03:23:10,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2021-12-16 03:23:10,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2021-12-16 03:23:10,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 242 states have (on average 1.2066115702479339) internal successors, (292), 245 states have internal predecessors, (292), 144 states have call successors, (144), 24 states have call predecessors, (144), 24 states have return successors, (143), 143 states have call predecessors, (143), 143 states have call successors, (143) [2021-12-16 03:23:10,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 579 transitions. [2021-12-16 03:23:10,651 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 579 transitions. Word has length 85 [2021-12-16 03:23:10,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:10,652 INFO L470 AbstractCegarLoop]: Abstraction has 412 states and 579 transitions. [2021-12-16 03:23:10,652 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) [2021-12-16 03:23:10,652 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 579 transitions. [2021-12-16 03:23:10,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-12-16 03:23:10,664 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:10,665 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 6, 6, 5, 5, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:23:10,697 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-16 03:23:10,886 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 [2021-12-16 03:23:10,886 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:10,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:10,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1580651472, now seen corresponding path program 1 times [2021-12-16 03:23:10,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:10,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483173152] [2021-12-16 03:23:10,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:10,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:10,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:11,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:23:11,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:11,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:23:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:23:11,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:11,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:11,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-16 03:23:11,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-16 03:23:11,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 03:23:11,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:11,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-16 03:23:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-16 03:23:11,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-16 03:23:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:11,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-16 03:23:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-16 03:23:11,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-16 03:23:11,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:11,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:11,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 03:23:11,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:11,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:11,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:11,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:11,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-16 03:23:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-16 03:23:11,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-16 03:23:11,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,305 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2021-12-16 03:23:11,306 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:11,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483173152] [2021-12-16 03:23:11,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483173152] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:11,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067925742] [2021-12-16 03:23:11,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:11,306 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:11,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:23:11,319 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) [2021-12-16 03:23:11,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-16 03:23:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 3234 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-16 03:23:11,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:23:12,272 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-12-16 03:23:12,273 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:23:12,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2067925742] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:23:12,273 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 03:23:12,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2021-12-16 03:23:12,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313903862] [2021-12-16 03:23:12,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:23:12,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 03:23:12,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:12,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 03:23:12,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 03:23:12,275 INFO L87 Difference]: Start difference. First operand 412 states and 579 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-12-16 03:23:12,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:12,299 INFO L93 Difference]: Finished difference Result 789 states and 1124 transitions. [2021-12-16 03:23:12,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 03:23:12,299 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 250 [2021-12-16 03:23:12,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:12,302 INFO L225 Difference]: With dead ends: 789 [2021-12-16 03:23:12,302 INFO L226 Difference]: Without dead ends: 416 [2021-12-16 03:23:12,303 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 03:23:12,303 INFO L933 BasicCegarLoop]: 544 mSDtfsCounter, 3 mSDsluCounter, 1084 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1628 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 [2021-12-16 03:23:12,304 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 1628 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 03:23:12,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2021-12-16 03:23:12,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 414. [2021-12-16 03:23:12,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 244 states have (on average 1.2049180327868851) internal successors, (294), 247 states have internal predecessors, (294), 144 states have call successors, (144), 24 states have call predecessors, (144), 24 states have return successors, (143), 143 states have call predecessors, (143), 143 states have call successors, (143) [2021-12-16 03:23:12,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 581 transitions. [2021-12-16 03:23:12,316 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 581 transitions. Word has length 250 [2021-12-16 03:23:12,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:12,316 INFO L470 AbstractCegarLoop]: Abstraction has 414 states and 581 transitions. [2021-12-16 03:23:12,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-12-16 03:23:12,317 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 581 transitions. [2021-12-16 03:23:12,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-12-16 03:23:12,319 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:12,319 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 6, 6, 5, 5, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:23:12,344 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-16 03:23:12,540 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 [2021-12-16 03:23:12,541 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:12,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:12,541 INFO L85 PathProgramCache]: Analyzing trace with hash 601513036, now seen corresponding path program 1 times [2021-12-16 03:23:12,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:12,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998563333] [2021-12-16 03:23:12,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:12,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:12,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:12,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:23:12,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:12,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:12,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:23:12,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:12,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:23:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:12,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-16 03:23:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:12,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:12,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-16 03:23:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:12,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:12,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:12,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 03:23:12,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:12,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:12,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:12,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:12,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-16 03:23:12,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-16 03:23:12,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-16 03:23:12,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:12,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-16 03:23:12,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-16 03:23:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-16 03:23:12,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:12,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 03:23:12,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:12,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:12,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:12,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:12,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-16 03:23:12,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-16 03:23:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-16 03:23:12,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,929 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 20 proven. 16 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2021-12-16 03:23:12,930 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:12,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998563333] [2021-12-16 03:23:12,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998563333] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:12,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328575123] [2021-12-16 03:23:12,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:12,930 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:12,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:23:12,936 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) [2021-12-16 03:23:12,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-16 03:23:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:13,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 3224 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-16 03:23:13,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:23:13,833 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2021-12-16 03:23:13,834 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:23:13,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [328575123] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:23:13,834 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 03:23:13,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2021-12-16 03:23:13,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033564036] [2021-12-16 03:23:13,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:23:13,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 03:23:13,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:13,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 03:23:13,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-12-16 03:23:13,836 INFO L87 Difference]: Start difference. First operand 414 states and 581 transitions. Second operand has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2021-12-16 03:23:13,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:13,910 INFO L93 Difference]: Finished difference Result 763 states and 1077 transitions. [2021-12-16 03:23:13,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 03:23:13,911 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 250 [2021-12-16 03:23:13,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:13,913 INFO L225 Difference]: With dead ends: 763 [2021-12-16 03:23:13,913 INFO L226 Difference]: Without dead ends: 424 [2021-12-16 03:23:13,915 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 325 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-12-16 03:23:13,915 INFO L933 BasicCegarLoop]: 550 mSDtfsCounter, 17 mSDsluCounter, 2713 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 3263 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 03:23:13,915 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 3263 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 03:23:13,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2021-12-16 03:23:13,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 424. [2021-12-16 03:23:13,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 251 states have (on average 1.203187250996016) internal successors, (302), 254 states have internal predecessors, (302), 145 states have call successors, (145), 26 states have call predecessors, (145), 26 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2021-12-16 03:23:13,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 591 transitions. [2021-12-16 03:23:13,927 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 591 transitions. Word has length 250 [2021-12-16 03:23:13,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:13,927 INFO L470 AbstractCegarLoop]: Abstraction has 424 states and 591 transitions. [2021-12-16 03:23:13,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2021-12-16 03:23:13,928 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 591 transitions. [2021-12-16 03:23:13,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2021-12-16 03:23:13,929 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:13,929 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:23:13,951 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-16 03:23:14,151 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 [2021-12-16 03:23:14,151 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:14,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:14,152 INFO L85 PathProgramCache]: Analyzing trace with hash 2124448417, now seen corresponding path program 1 times [2021-12-16 03:23:14,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:14,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619724102] [2021-12-16 03:23:14,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:14,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:14,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:14,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:23:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:23:14,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:14,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:23:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:14,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-16 03:23:14,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-16 03:23:14,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:14,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 03:23:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:14,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:14,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-16 03:23:14,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-16 03:23:14,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-16 03:23:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:14,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-16 03:23:14,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-16 03:23:14,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-16 03:23:14,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:14,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 03:23:14,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:14,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:14,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-16 03:23:14,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-16 03:23:14,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-16 03:23:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-16 03:23:14,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-16 03:23:14,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,592 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2021-12-16 03:23:14,592 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:14,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619724102] [2021-12-16 03:23:14,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619724102] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:14,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133425504] [2021-12-16 03:23:14,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:14,593 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:14,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:23:14,620 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) [2021-12-16 03:23:14,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-16 03:23:15,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:15,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 3276 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-16 03:23:15,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:23:15,538 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-12-16 03:23:15,538 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:23:15,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2133425504] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:23:15,538 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 03:23:15,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2021-12-16 03:23:15,539 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129317349] [2021-12-16 03:23:15,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:23:15,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 03:23:15,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:15,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 03:23:15,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-12-16 03:23:15,540 INFO L87 Difference]: Start difference. First operand 424 states and 591 transitions. Second operand has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 4 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2021-12-16 03:23:16,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:16,022 INFO L93 Difference]: Finished difference Result 812 states and 1145 transitions. [2021-12-16 03:23:16,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 03:23:16,023 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 4 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) Word has length 260 [2021-12-16 03:23:16,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:16,027 INFO L225 Difference]: With dead ends: 812 [2021-12-16 03:23:16,027 INFO L226 Difference]: Without dead ends: 427 [2021-12-16 03:23:16,029 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2021-12-16 03:23:16,029 INFO L933 BasicCegarLoop]: 404 mSDtfsCounter, 565 mSDsluCounter, 1043 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 273 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 565 SdHoareTripleChecker+Valid, 1447 SdHoareTripleChecker+Invalid, 729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 273 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-16 03:23:16,029 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [565 Valid, 1447 Invalid, 729 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [273 Valid, 456 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-16 03:23:16,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2021-12-16 03:23:16,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 427. [2021-12-16 03:23:16,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 253 states have (on average 1.2015810276679841) internal successors, (304), 257 states have internal predecessors, (304), 145 states have call successors, (145), 26 states have call predecessors, (145), 27 states have return successors, (153), 144 states have call predecessors, (153), 144 states have call successors, (153) [2021-12-16 03:23:16,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 602 transitions. [2021-12-16 03:23:16,060 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 602 transitions. Word has length 260 [2021-12-16 03:23:16,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:16,061 INFO L470 AbstractCegarLoop]: Abstraction has 427 states and 602 transitions. [2021-12-16 03:23:16,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 4 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2021-12-16 03:23:16,061 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 602 transitions. [2021-12-16 03:23:16,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-12-16 03:23:16,063 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:16,063 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:23:16,086 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-16 03:23:16,284 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 [2021-12-16 03:23:16,284 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:16,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:16,284 INFO L85 PathProgramCache]: Analyzing trace with hash 2124276840, now seen corresponding path program 1 times [2021-12-16 03:23:16,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:16,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341572272] [2021-12-16 03:23:16,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:16,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:16,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:16,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:23:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:16,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:16,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:16,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:23:16,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:23:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:16,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:16,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-16 03:23:16,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:16,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-16 03:23:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:16,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:16,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 03:23:16,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:16,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:16,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:16,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-16 03:23:16,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-16 03:23:16,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-16 03:23:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:16,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-16 03:23:16,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-16 03:23:16,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-16 03:23:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:16,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:16,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:16,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 03:23:16,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:16,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:16,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-16 03:23:16,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-16 03:23:16,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-16 03:23:16,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-16 03:23:16,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:16,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-16 03:23:16,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,821 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2021-12-16 03:23:16,822 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:16,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341572272] [2021-12-16 03:23:16,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341572272] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:16,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068533851] [2021-12-16 03:23:16,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:16,822 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:16,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:23:16,823 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) [2021-12-16 03:23:16,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-16 03:23:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 3292 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-16 03:23:17,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:23:17,756 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2021-12-16 03:23:17,757 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:23:17,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2068533851] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:23:17,757 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 03:23:17,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2021-12-16 03:23:17,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156304741] [2021-12-16 03:23:17,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:23:17,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-16 03:23:17,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:17,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-16 03:23:17,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-12-16 03:23:17,759 INFO L87 Difference]: Start difference. First operand 427 states and 602 transitions. Second operand has 8 states, 7 states have (on average 14.571428571428571) internal successors, (102), 8 states have internal predecessors, (102), 5 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (34), 4 states have call predecessors, (34), 5 states have call successors, (34) [2021-12-16 03:23:18,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:18,280 INFO L93 Difference]: Finished difference Result 790 states and 1122 transitions. [2021-12-16 03:23:18,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 03:23:18,280 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 14.571428571428571) internal successors, (102), 8 states have internal predecessors, (102), 5 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (34), 4 states have call predecessors, (34), 5 states have call successors, (34) Word has length 262 [2021-12-16 03:23:18,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:18,283 INFO L225 Difference]: With dead ends: 790 [2021-12-16 03:23:18,283 INFO L226 Difference]: Without dead ends: 427 [2021-12-16 03:23:18,284 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 344 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2021-12-16 03:23:18,285 INFO L933 BasicCegarLoop]: 393 mSDtfsCounter, 682 mSDsluCounter, 1688 mSDsCounter, 0 mSdLazyCounter, 680 mSolverCounterSat, 368 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 682 SdHoareTripleChecker+Valid, 2081 SdHoareTripleChecker+Invalid, 1048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 368 IncrementalHoareTripleChecker+Valid, 680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-16 03:23:18,285 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [682 Valid, 2081 Invalid, 1048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [368 Valid, 680 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-16 03:23:18,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2021-12-16 03:23:18,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 427. [2021-12-16 03:23:18,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 253 states have (on average 1.2015810276679841) internal successors, (304), 257 states have internal predecessors, (304), 145 states have call successors, (145), 26 states have call predecessors, (145), 27 states have return successors, (146), 144 states have call predecessors, (146), 144 states have call successors, (146) [2021-12-16 03:23:18,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 595 transitions. [2021-12-16 03:23:18,301 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 595 transitions. Word has length 262 [2021-12-16 03:23:18,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:18,301 INFO L470 AbstractCegarLoop]: Abstraction has 427 states and 595 transitions. [2021-12-16 03:23:18,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 14.571428571428571) internal successors, (102), 8 states have internal predecessors, (102), 5 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (34), 4 states have call predecessors, (34), 5 states have call successors, (34) [2021-12-16 03:23:18,302 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 595 transitions. [2021-12-16 03:23:18,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-12-16 03:23:18,303 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:18,304 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:23:18,325 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-12-16 03:23:18,524 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 [2021-12-16 03:23:18,525 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:18,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:18,525 INFO L85 PathProgramCache]: Analyzing trace with hash -156763857, now seen corresponding path program 1 times [2021-12-16 03:23:18,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:18,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100097413] [2021-12-16 03:23:18,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:18,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:18,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:18,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:23:18,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:18,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:23:18,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:18,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:23:18,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:18,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:18,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-16 03:23:18,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-16 03:23:18,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:18,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:18,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 03:23:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:18,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:18,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:18,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-16 03:23:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-16 03:23:18,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-16 03:23:18,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:18,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-16 03:23:18,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-16 03:23:18,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-16 03:23:18,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:18,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:18,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:18,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 03:23:18,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:18,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-16 03:23:18,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-16 03:23:18,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-16 03:23:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-16 03:23:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:18,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-16 03:23:18,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,935 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2021-12-16 03:23:18,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:18,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100097413] [2021-12-16 03:23:18,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100097413] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:18,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1578801423] [2021-12-16 03:23:18,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:18,936 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:18,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:23:18,952 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) [2021-12-16 03:23:18,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-16 03:23:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 3308 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-16 03:23:19,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:23:19,817 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2021-12-16 03:23:19,818 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:23:19,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1578801423] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:23:19,818 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 03:23:19,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2021-12-16 03:23:19,818 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018463270] [2021-12-16 03:23:19,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:23:19,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 03:23:19,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:19,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 03:23:19,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-12-16 03:23:19,820 INFO L87 Difference]: Start difference. First operand 427 states and 595 transitions. Second operand has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-16 03:23:19,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:19,903 INFO L93 Difference]: Finished difference Result 855 states and 1195 transitions. [2021-12-16 03:23:19,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 03:23:19,903 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 264 [2021-12-16 03:23:19,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:19,906 INFO L225 Difference]: With dead ends: 855 [2021-12-16 03:23:19,906 INFO L226 Difference]: Without dead ends: 440 [2021-12-16 03:23:19,908 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-12-16 03:23:19,908 INFO L933 BasicCegarLoop]: 538 mSDtfsCounter, 8 mSDsluCounter, 2119 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 2657 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 03:23:19,908 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 2657 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 03:23:19,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2021-12-16 03:23:19,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 436. [2021-12-16 03:23:19,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 259 states have (on average 1.193050193050193) internal successors, (309), 263 states have internal predecessors, (309), 146 states have call successors, (146), 28 states have call predecessors, (146), 29 states have return successors, (148), 145 states have call predecessors, (148), 145 states have call successors, (148) [2021-12-16 03:23:19,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 603 transitions. [2021-12-16 03:23:19,928 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 603 transitions. Word has length 264 [2021-12-16 03:23:19,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:19,931 INFO L470 AbstractCegarLoop]: Abstraction has 436 states and 603 transitions. [2021-12-16 03:23:19,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-16 03:23:19,931 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 603 transitions. [2021-12-16 03:23:19,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-12-16 03:23:19,933 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:19,933 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:23:19,977 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-16 03:23:20,147 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 [2021-12-16 03:23:20,147 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:20,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:20,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1127283503, now seen corresponding path program 1 times [2021-12-16 03:23:20,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:20,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187103311] [2021-12-16 03:23:20,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:20,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:23:20,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:20,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:20,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:20,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:23:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:23:20,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 03:23:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:20,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-16 03:23:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:20,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:20,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 03:23:20,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-16 03:23:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-16 03:23:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-16 03:23:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:20,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-16 03:23:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-16 03:23:20,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-16 03:23:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 03:23:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:20,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:20,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-16 03:23:20,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-16 03:23:20,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-16 03:23:20,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-16 03:23:20,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:20,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-16 03:23:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,575 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-12-16 03:23:20,575 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:20,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187103311] [2021-12-16 03:23:20,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187103311] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:20,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645207898] [2021-12-16 03:23:20,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:20,576 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:20,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:23:20,577 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) [2021-12-16 03:23:20,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-16 03:23:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:21,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 3312 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-16 03:23:21,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:23:21,491 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2021-12-16 03:23:21,491 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:23:21,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1645207898] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:23:21,492 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 03:23:21,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2021-12-16 03:23:21,492 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342667766] [2021-12-16 03:23:21,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:23:21,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 03:23:21,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:21,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 03:23:21,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-12-16 03:23:21,493 INFO L87 Difference]: Start difference. First operand 436 states and 603 transitions. Second operand has 7 states, 6 states have (on average 14.833333333333334) internal successors, (89), 7 states have internal predecessors, (89), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-16 03:23:21,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:21,589 INFO L93 Difference]: Finished difference Result 867 states and 1198 transitions. [2021-12-16 03:23:21,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 03:23:21,590 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.833333333333334) internal successors, (89), 7 states have internal predecessors, (89), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 266 [2021-12-16 03:23:21,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:21,592 INFO L225 Difference]: With dead ends: 867 [2021-12-16 03:23:21,592 INFO L226 Difference]: Without dead ends: 440 [2021-12-16 03:23:21,594 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-12-16 03:23:21,595 INFO L933 BasicCegarLoop]: 534 mSDtfsCounter, 19 mSDsluCounter, 2630 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 3164 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 03:23:21,595 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 3164 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 03:23:21,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2021-12-16 03:23:21,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 438. [2021-12-16 03:23:21,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 260 states have (on average 1.1884615384615385) internal successors, (309), 265 states have internal predecessors, (309), 146 states have call successors, (146), 28 states have call predecessors, (146), 30 states have return successors, (149), 145 states have call predecessors, (149), 145 states have call successors, (149) [2021-12-16 03:23:21,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 604 transitions. [2021-12-16 03:23:21,610 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 604 transitions. Word has length 266 [2021-12-16 03:23:21,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:21,610 INFO L470 AbstractCegarLoop]: Abstraction has 438 states and 604 transitions. [2021-12-16 03:23:21,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.833333333333334) internal successors, (89), 7 states have internal predecessors, (89), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-16 03:23:21,611 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 604 transitions. [2021-12-16 03:23:21,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-12-16 03:23:21,612 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:21,612 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:23:21,647 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-12-16 03:23:21,830 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 [2021-12-16 03:23:21,830 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:21,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:21,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1843538513, now seen corresponding path program 1 times [2021-12-16 03:23:21,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:21,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332558852] [2021-12-16 03:23:21,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:21,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:21,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:21,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:21,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:23:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:21,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:21,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:21,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:21,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:21,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:23:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:21,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:21,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:23:21,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:21,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:21,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:21,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:21,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:21,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-16 03:23:21,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:22,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-16 03:23:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:22,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 03:23:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:22,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:22,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:22,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:22,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-16 03:23:22,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-16 03:23:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-16 03:23:22,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-16 03:23:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-16 03:23:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 03:23:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:22,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 03:23:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:22,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:22,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-16 03:23:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-16 03:23:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-12-16 03:23:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-16 03:23:22,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:22,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-16 03:23:22,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,221 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2021-12-16 03:23:22,222 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:22,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332558852] [2021-12-16 03:23:22,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332558852] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:22,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916990447] [2021-12-16 03:23:22,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:22,222 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:22,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:23:22,223 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) [2021-12-16 03:23:22,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-16 03:23:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 3316 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-16 03:23:22,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:23:23,081 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2021-12-16 03:23:23,081 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:23:23,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916990447] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:23:23,083 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 03:23:23,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2021-12-16 03:23:23,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272642282] [2021-12-16 03:23:23,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:23:23,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 03:23:23,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:23,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 03:23:23,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-12-16 03:23:23,085 INFO L87 Difference]: Start difference. First operand 438 states and 604 transitions. Second operand has 7 states, 6 states have (on average 15.166666666666666) internal successors, (91), 7 states have internal predecessors, (91), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-16 03:23:23,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:23,168 INFO L93 Difference]: Finished difference Result 868 states and 1197 transitions. [2021-12-16 03:23:23,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 03:23:23,174 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.166666666666666) internal successors, (91), 7 states have internal predecessors, (91), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 268 [2021-12-16 03:23:23,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:23,177 INFO L225 Difference]: With dead ends: 868 [2021-12-16 03:23:23,177 INFO L226 Difference]: Without dead ends: 442 [2021-12-16 03:23:23,178 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 348 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-12-16 03:23:23,179 INFO L933 BasicCegarLoop]: 533 mSDtfsCounter, 20 mSDsluCounter, 2098 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 2631 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 03:23:23,179 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 2631 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 03:23:23,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2021-12-16 03:23:23,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 438. [2021-12-16 03:23:23,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 260 states have (on average 1.1846153846153846) internal successors, (308), 265 states have internal predecessors, (308), 146 states have call successors, (146), 28 states have call predecessors, (146), 30 states have return successors, (149), 145 states have call predecessors, (149), 145 states have call successors, (149) [2021-12-16 03:23:23,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 603 transitions. [2021-12-16 03:23:23,197 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 603 transitions. Word has length 268 [2021-12-16 03:23:23,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:23,197 INFO L470 AbstractCegarLoop]: Abstraction has 438 states and 603 transitions. [2021-12-16 03:23:23,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.166666666666666) internal successors, (91), 7 states have internal predecessors, (91), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-16 03:23:23,198 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 603 transitions. [2021-12-16 03:23:23,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-12-16 03:23:23,199 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:23,199 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:23:23,226 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-12-16 03:23:23,421 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 [2021-12-16 03:23:23,421 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:23,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:23,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1029172441, now seen corresponding path program 1 times [2021-12-16 03:23:23,421 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:23,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253244546] [2021-12-16 03:23:23,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:23,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:23,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:23:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:23,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:23,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:23,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:23:23,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:23:23,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:23,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:23,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-16 03:23:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:23,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-16 03:23:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:23,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:23,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 03:23:23,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:23,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:23,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:23,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-16 03:23:23,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-16 03:23:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 03:23:23,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:23,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-16 03:23:23,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-16 03:23:23,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-16 03:23:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:23,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:23,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 03:23:23,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:23,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:23,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:23,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-16 03:23:23,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-16 03:23:23,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-16 03:23:23,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-16 03:23:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:23,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-16 03:23:23,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:23,839 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2021-12-16 03:23:23,839 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:23,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253244546] [2021-12-16 03:23:23,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253244546] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:23,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418486966] [2021-12-16 03:23:23,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:23,839 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:23,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:23:23,856 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) [2021-12-16 03:23:23,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-16 03:23:24,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 3320 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-16 03:23:24,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:23:24,775 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2021-12-16 03:23:24,775 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:23:24,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1418486966] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:23:24,775 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 03:23:24,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2021-12-16 03:23:24,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7365240] [2021-12-16 03:23:24,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:23:24,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 03:23:24,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:24,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 03:23:24,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-12-16 03:23:24,778 INFO L87 Difference]: Start difference. First operand 438 states and 603 transitions. Second operand has 7 states, 6 states have (on average 15.5) internal successors, (93), 7 states have internal predecessors, (93), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-16 03:23:24,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:24,918 INFO L93 Difference]: Finished difference Result 868 states and 1195 transitions. [2021-12-16 03:23:24,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 03:23:24,919 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.5) internal successors, (93), 7 states have internal predecessors, (93), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 270 [2021-12-16 03:23:24,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:24,921 INFO L225 Difference]: With dead ends: 868 [2021-12-16 03:23:24,921 INFO L226 Difference]: Without dead ends: 442 [2021-12-16 03:23:24,923 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 350 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-12-16 03:23:24,923 INFO L933 BasicCegarLoop]: 532 mSDtfsCounter, 17 mSDsluCounter, 2624 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 3156 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 03:23:24,923 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 3156 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 03:23:24,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2021-12-16 03:23:24,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 438. [2021-12-16 03:23:24,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 260 states have (on average 1.1807692307692308) internal successors, (307), 265 states have internal predecessors, (307), 146 states have call successors, (146), 28 states have call predecessors, (146), 30 states have return successors, (149), 145 states have call predecessors, (149), 145 states have call successors, (149) [2021-12-16 03:23:24,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 602 transitions. [2021-12-16 03:23:24,939 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 602 transitions. Word has length 270 [2021-12-16 03:23:24,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:24,939 INFO L470 AbstractCegarLoop]: Abstraction has 438 states and 602 transitions. [2021-12-16 03:23:24,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.5) internal successors, (93), 7 states have internal predecessors, (93), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-16 03:23:24,940 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 602 transitions. [2021-12-16 03:23:24,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-12-16 03:23:24,941 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:24,941 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:23:24,965 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-12-16 03:23:25,158 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 [2021-12-16 03:23:25,159 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:25,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:25,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1715359791, now seen corresponding path program 1 times [2021-12-16 03:23:25,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:25,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209293588] [2021-12-16 03:23:25,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:25,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:25,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:25,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:23:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:23:25,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:23:25,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:25,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:25,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 03:23:25,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:25,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:25,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 03:23:25,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:25,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 03:23:25,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:25,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:25,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:25,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:25,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-16 03:23:25,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-16 03:23:25,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-16 03:23:25,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:25,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-16 03:23:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-16 03:23:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-16 03:23:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:25,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:25,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:25,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 03:23:25,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:25,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:25,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:25,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-16 03:23:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-16 03:23:25,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-16 03:23:25,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-16 03:23:25,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:25,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-16 03:23:25,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,545 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2021-12-16 03:23:25,545 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:25,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209293588] [2021-12-16 03:23:25,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209293588] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:25,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1850929460] [2021-12-16 03:23:25,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:25,545 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:25,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:23:25,560 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) [2021-12-16 03:23:25,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-16 03:23:26,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 3324 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-16 03:23:26,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:23:26,463 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2021-12-16 03:23:26,463 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:23:26,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1850929460] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:23:26,463 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 03:23:26,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2021-12-16 03:23:26,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540617744] [2021-12-16 03:23:26,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:23:26,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 03:23:26,464 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:26,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 03:23:26,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-12-16 03:23:26,464 INFO L87 Difference]: Start difference. First operand 438 states and 602 transitions. Second operand has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-16 03:23:26,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:26,531 INFO L93 Difference]: Finished difference Result 849 states and 1211 transitions. [2021-12-16 03:23:26,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 03:23:26,540 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 272 [2021-12-16 03:23:26,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:26,543 INFO L225 Difference]: With dead ends: 849 [2021-12-16 03:23:26,543 INFO L226 Difference]: Without dead ends: 438 [2021-12-16 03:23:26,545 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-12-16 03:23:26,545 INFO L933 BasicCegarLoop]: 543 mSDtfsCounter, 8 mSDsluCounter, 2143 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 2686 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 03:23:26,545 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 2686 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 03:23:26,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2021-12-16 03:23:26,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 436. [2021-12-16 03:23:26,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 259 states have (on average 1.16988416988417) internal successors, (303), 263 states have internal predecessors, (303), 146 states have call successors, (146), 28 states have call predecessors, (146), 29 states have return successors, (147), 145 states have call predecessors, (147), 145 states have call successors, (147) [2021-12-16 03:23:26,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 596 transitions. [2021-12-16 03:23:26,558 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 596 transitions. Word has length 272 [2021-12-16 03:23:26,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:26,558 INFO L470 AbstractCegarLoop]: Abstraction has 436 states and 596 transitions. [2021-12-16 03:23:26,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-16 03:23:26,558 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 596 transitions. [2021-12-16 03:23:26,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2021-12-16 03:23:26,559 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:26,559 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:23:26,601 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-12-16 03:23:26,775 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 [2021-12-16 03:23:26,775 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:26,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:26,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1752052791, now seen corresponding path program 1 times [2021-12-16 03:23:26,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:26,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556776655] [2021-12-16 03:23:26,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:26,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:26,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:23:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:26,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:23:26,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:23:26,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:26,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 03:23:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 03:23:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:26,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:26,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:26,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-16 03:23:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 03:23:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-16 03:23:26,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-16 03:23:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-16 03:23:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:26,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-16 03:23:26,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:27,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 03:23:27,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:27,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-16 03:23:27,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:27,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:27,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:27,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:27,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:27,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:27,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:27,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:27,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:27,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:27,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-16 03:23:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:27,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 03:23:27,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:27,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-16 03:23:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:27,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-16 03:23:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:27,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-16 03:23:27,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:27,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-16 03:23:27,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:27,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:27,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-16 03:23:27,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:27,066 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 387 trivial. 0 not checked. [2021-12-16 03:23:27,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:27,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556776655] [2021-12-16 03:23:27,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556776655] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:27,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641798803] [2021-12-16 03:23:27,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:27,067 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:27,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:23:27,084 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) [2021-12-16 03:23:27,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-12-16 03:23:27,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:27,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 3334 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-16 03:23:27,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:23:28,002 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2021-12-16 03:23:28,002 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:23:28,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [641798803] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:23:28,002 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 03:23:28,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2021-12-16 03:23:28,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874713852] [2021-12-16 03:23:28,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:23:28,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 03:23:28,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:28,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 03:23:28,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-12-16 03:23:28,004 INFO L87 Difference]: Start difference. First operand 436 states and 596 transitions. Second operand has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-16 03:23:28,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:28,124 INFO L93 Difference]: Finished difference Result 838 states and 1190 transitions. [2021-12-16 03:23:28,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 03:23:28,125 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 277 [2021-12-16 03:23:28,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:28,128 INFO L225 Difference]: With dead ends: 838 [2021-12-16 03:23:28,128 INFO L226 Difference]: Without dead ends: 436 [2021-12-16 03:23:28,130 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 358 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-12-16 03:23:28,131 INFO L933 BasicCegarLoop]: 538 mSDtfsCounter, 19 mSDsluCounter, 2120 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 2658 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 03:23:28,131 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 2658 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 03:23:28,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2021-12-16 03:23:28,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 436. [2021-12-16 03:23:28,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 259 states have (on average 1.166023166023166) internal successors, (302), 263 states have internal predecessors, (302), 146 states have call successors, (146), 28 states have call predecessors, (146), 29 states have return successors, (147), 145 states have call predecessors, (147), 145 states have call successors, (147) [2021-12-16 03:23:28,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 595 transitions. [2021-12-16 03:23:28,146 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 595 transitions. Word has length 277 [2021-12-16 03:23:28,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:28,147 INFO L470 AbstractCegarLoop]: Abstraction has 436 states and 595 transitions. [2021-12-16 03:23:28,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-16 03:23:28,147 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 595 transitions. [2021-12-16 03:23:28,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-12-16 03:23:28,148 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:28,149 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:23:28,177 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-12-16 03:23:28,377 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 [2021-12-16 03:23:28,377 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:28,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:28,378 INFO L85 PathProgramCache]: Analyzing trace with hash 580494533, now seen corresponding path program 1 times [2021-12-16 03:23:28,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:28,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328871284] [2021-12-16 03:23:28,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:28,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:28,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:28,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:23:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:28,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:23:28,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:28,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:23:28,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:28,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 03:23:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:28,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:28,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 03:23:28,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-16 03:23:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 03:23:28,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-16 03:23:28,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-16 03:23:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 03:23:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-16 03:23:28,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:28,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-16 03:23:28,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-16 03:23:28,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-16 03:23:28,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:28,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:28,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:28,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-16 03:23:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:28,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 03:23:28,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-16 03:23:28,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-12-16 03:23:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-16 03:23:28,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-16 03:23:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-16 03:23:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-16 03:23:28,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,794 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2021-12-16 03:23:28,794 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:28,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328871284] [2021-12-16 03:23:28,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328871284] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:28,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [820739893] [2021-12-16 03:23:28,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:28,796 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:28,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:23:28,797 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) [2021-12-16 03:23:28,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-12-16 03:23:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:29,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 3342 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-16 03:23:29,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:23:29,678 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2021-12-16 03:23:29,678 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:23:29,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [820739893] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:23:29,679 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 03:23:29,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2021-12-16 03:23:29,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844630282] [2021-12-16 03:23:29,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:23:29,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 03:23:29,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:29,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 03:23:29,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-12-16 03:23:29,682 INFO L87 Difference]: Start difference. First operand 436 states and 595 transitions. Second operand has 7 states, 6 states have (on average 16.5) internal successors, (99), 7 states have internal predecessors, (99), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-16 03:23:29,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:29,798 INFO L93 Difference]: Finished difference Result 840 states and 1190 transitions. [2021-12-16 03:23:29,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 03:23:29,799 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.5) internal successors, (99), 7 states have internal predecessors, (99), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 281 [2021-12-16 03:23:29,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:29,801 INFO L225 Difference]: With dead ends: 840 [2021-12-16 03:23:29,801 INFO L226 Difference]: Without dead ends: 438 [2021-12-16 03:23:29,803 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 362 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-12-16 03:23:29,803 INFO L933 BasicCegarLoop]: 537 mSDtfsCounter, 19 mSDsluCounter, 2118 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 2655 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 03:23:29,803 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 2655 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 03:23:29,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2021-12-16 03:23:29,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 436. [2021-12-16 03:23:29,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 259 states have (on average 1.162162162162162) internal successors, (301), 263 states have internal predecessors, (301), 146 states have call successors, (146), 28 states have call predecessors, (146), 29 states have return successors, (147), 145 states have call predecessors, (147), 145 states have call successors, (147) [2021-12-16 03:23:29,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 594 transitions. [2021-12-16 03:23:29,820 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 594 transitions. Word has length 281 [2021-12-16 03:23:29,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:29,820 INFO L470 AbstractCegarLoop]: Abstraction has 436 states and 594 transitions. [2021-12-16 03:23:29,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.5) internal successors, (99), 7 states have internal predecessors, (99), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-16 03:23:29,821 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 594 transitions. [2021-12-16 03:23:29,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-12-16 03:23:29,822 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:29,822 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:23:29,865 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-12-16 03:23:30,042 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 [2021-12-16 03:23:30,042 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:30,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:30,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1898925385, now seen corresponding path program 1 times [2021-12-16 03:23:30,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:30,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17594451] [2021-12-16 03:23:30,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:30,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:30,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:30,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:23:30,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:30,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:30,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:30,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:23:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:30,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:23:30,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:30,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:30,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 03:23:30,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:30,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 03:23:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:30,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:30,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 03:23:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:23:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-16 03:23:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-16 03:23:30,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-16 03:23:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-16 03:23:30,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:30,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-16 03:23:30,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-16 03:23:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-16 03:23:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:30,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 03:23:30,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:30,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:23:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-16 03:23:30,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-16 03:23:30,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-16 03:23:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-16 03:23:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-16 03:23:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-16 03:23:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,345 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2021-12-16 03:23:30,346 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:30,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17594451] [2021-12-16 03:23:30,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17594451] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:30,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [904344554] [2021-12-16 03:23:30,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:30,347 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:30,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:23:30,348 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) [2021-12-16 03:23:30,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-12-16 03:23:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 3350 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-16 03:23:30,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:23:31,348 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2021-12-16 03:23:31,348 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:23:31,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [904344554] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:23:31,348 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 03:23:31,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2021-12-16 03:23:31,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412098734] [2021-12-16 03:23:31,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:23:31,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 03:23:31,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:31,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 03:23:31,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-12-16 03:23:31,350 INFO L87 Difference]: Start difference. First operand 436 states and 594 transitions. Second operand has 7 states, 6 states have (on average 16.833333333333332) internal successors, (101), 7 states have internal predecessors, (101), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-16 03:23:31,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:31,424 INFO L93 Difference]: Finished difference Result 840 states and 1188 transitions. [2021-12-16 03:23:31,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 03:23:31,424 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.833333333333332) internal successors, (101), 7 states have internal predecessors, (101), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 285 [2021-12-16 03:23:31,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:31,426 INFO L225 Difference]: With dead ends: 840 [2021-12-16 03:23:31,426 INFO L226 Difference]: Without dead ends: 438 [2021-12-16 03:23:31,428 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 366 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-12-16 03:23:31,429 INFO L933 BasicCegarLoop]: 536 mSDtfsCounter, 19 mSDsluCounter, 2116 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 2652 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 03:23:31,429 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 2652 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 03:23:31,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2021-12-16 03:23:31,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 436. [2021-12-16 03:23:31,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 259 states have (on average 1.1583011583011582) internal successors, (300), 263 states have internal predecessors, (300), 146 states have call successors, (146), 28 states have call predecessors, (146), 29 states have return successors, (147), 145 states have call predecessors, (147), 145 states have call successors, (147) [2021-12-16 03:23:31,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 593 transitions. [2021-12-16 03:23:31,440 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 593 transitions. Word has length 285 [2021-12-16 03:23:31,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:31,440 INFO L470 AbstractCegarLoop]: Abstraction has 436 states and 593 transitions. [2021-12-16 03:23:31,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.833333333333332) internal successors, (101), 7 states have internal predecessors, (101), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-16 03:23:31,440 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 593 transitions. [2021-12-16 03:23:31,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2021-12-16 03:23:31,441 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:31,441 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:23:31,463 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-12-16 03:23:31,655 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,SelfDestructingSolverStorable14 [2021-12-16 03:23:31,655 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:31,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:31,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1396749653, now seen corresponding path program 2 times [2021-12-16 03:23:31,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:31,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020949304] [2021-12-16 03:23:31,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:31,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:31,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:31,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:31,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:23:31,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:31,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:31,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:31,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:31,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:31,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:31,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:23:31,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:31,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:31,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:31,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:23:31,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:31,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:31,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:31,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:31,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:31,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 03:23:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:31,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:31,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:31,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 03:23:31,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:31,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:31,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:31,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:31,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:31,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 03:23:31,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:31,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:31,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:31,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:31,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:31,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-16 03:23:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:31,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-16 03:23:31,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:31,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-16 03:23:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:31,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-16 03:23:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:31,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-16 03:23:31,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:31,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:31,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 03:23:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:31,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-16 03:23:31,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:31,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-16 03:23:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:31,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:31,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:31,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:31,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:31,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:31,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 03:23:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:31,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:31,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:31,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:31,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-16 03:23:32,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-16 03:23:32,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-16 03:23:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-16 03:23:32,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-16 03:23:32,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-16 03:23:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:32,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-16 03:23:32,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,033 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2021-12-16 03:23:32,033 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:32,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020949304] [2021-12-16 03:23:32,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020949304] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:32,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352273933] [2021-12-16 03:23:32,033 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-16 03:23:32,033 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:32,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:23:32,048 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) [2021-12-16 03:23:32,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-12-16 03:23:33,194 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-16 03:23:33,194 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-16 03:23:33,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 3358 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-16 03:23:33,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:23:33,663 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2021-12-16 03:23:33,663 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:23:33,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352273933] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:23:33,663 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 03:23:33,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2021-12-16 03:23:33,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445090896] [2021-12-16 03:23:33,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:23:33,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 03:23:33,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:33,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 03:23:33,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-12-16 03:23:33,664 INFO L87 Difference]: Start difference. First operand 436 states and 593 transitions. Second operand has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 3 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-16 03:23:34,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:34,038 INFO L93 Difference]: Finished difference Result 814 states and 1128 transitions. [2021-12-16 03:23:34,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 03:23:34,039 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 3 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 289 [2021-12-16 03:23:34,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:34,041 INFO L225 Difference]: With dead ends: 814 [2021-12-16 03:23:34,041 INFO L226 Difference]: Without dead ends: 439 [2021-12-16 03:23:34,043 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 370 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-12-16 03:23:34,043 INFO L933 BasicCegarLoop]: 411 mSDtfsCounter, 570 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 571 SdHoareTripleChecker+Valid, 1087 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-16 03:23:34,043 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [571 Valid, 1087 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-16 03:23:34,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2021-12-16 03:23:34,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 439. [2021-12-16 03:23:34,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 261 states have (on average 1.157088122605364) internal successors, (302), 266 states have internal predecessors, (302), 146 states have call successors, (146), 28 states have call predecessors, (146), 30 states have return successors, (157), 145 states have call predecessors, (157), 145 states have call successors, (157) [2021-12-16 03:23:34,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 605 transitions. [2021-12-16 03:23:34,055 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 605 transitions. Word has length 289 [2021-12-16 03:23:34,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:34,055 INFO L470 AbstractCegarLoop]: Abstraction has 439 states and 605 transitions. [2021-12-16 03:23:34,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 3 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-16 03:23:34,056 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 605 transitions. [2021-12-16 03:23:34,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2021-12-16 03:23:34,057 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:34,057 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:23:34,099 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-12-16 03:23:34,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:34,279 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:34,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:34,279 INFO L85 PathProgramCache]: Analyzing trace with hash -895725750, now seen corresponding path program 1 times [2021-12-16 03:23:34,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:34,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126179544] [2021-12-16 03:23:34,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:34,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:34,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:34,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:23:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:34,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:23:34,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:23:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:34,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:34,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 03:23:34,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:34,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:34,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 03:23:34,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:34,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:34,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 03:23:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-16 03:23:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-16 03:23:34,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-16 03:23:34,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-16 03:23:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-16 03:23:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 03:23:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-16 03:23:34,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-16 03:23:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:34,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:34,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 03:23:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:34,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-16 03:23:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-16 03:23:34,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-16 03:23:34,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-16 03:23:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-16 03:23:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-16 03:23:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:34,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-16 03:23:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,764 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2021-12-16 03:23:34,764 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:34,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126179544] [2021-12-16 03:23:34,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126179544] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:34,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695771299] [2021-12-16 03:23:34,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:34,765 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:34,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:23:34,780 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) [2021-12-16 03:23:34,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-12-16 03:23:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:35,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 3375 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-16 03:23:35,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:23:35,789 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2021-12-16 03:23:35,790 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:23:35,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1695771299] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:23:35,790 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 03:23:35,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2021-12-16 03:23:35,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431077176] [2021-12-16 03:23:35,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:23:35,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 03:23:35,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:35,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 03:23:35,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-12-16 03:23:35,792 INFO L87 Difference]: Start difference. First operand 439 states and 605 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 4 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2021-12-16 03:23:36,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:36,271 INFO L93 Difference]: Finished difference Result 811 states and 1127 transitions. [2021-12-16 03:23:36,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 03:23:36,272 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 4 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 295 [2021-12-16 03:23:36,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:36,274 INFO L225 Difference]: With dead ends: 811 [2021-12-16 03:23:36,274 INFO L226 Difference]: Without dead ends: 439 [2021-12-16 03:23:36,276 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 393 GetRequests, 376 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2021-12-16 03:23:36,276 INFO L933 BasicCegarLoop]: 407 mSDtfsCounter, 691 mSDsluCounter, 966 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 351 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 692 SdHoareTripleChecker+Valid, 1373 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 351 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-16 03:23:36,276 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [692 Valid, 1373 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [351 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-16 03:23:36,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2021-12-16 03:23:36,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 439. [2021-12-16 03:23:36,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 261 states have (on average 1.157088122605364) internal successors, (302), 266 states have internal predecessors, (302), 146 states have call successors, (146), 28 states have call predecessors, (146), 30 states have return successors, (150), 145 states have call predecessors, (150), 145 states have call successors, (150) [2021-12-16 03:23:36,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 598 transitions. [2021-12-16 03:23:36,288 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 598 transitions. Word has length 295 [2021-12-16 03:23:36,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:36,289 INFO L470 AbstractCegarLoop]: Abstraction has 439 states and 598 transitions. [2021-12-16 03:23:36,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 4 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2021-12-16 03:23:36,289 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 598 transitions. [2021-12-16 03:23:36,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-12-16 03:23:36,290 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:36,290 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:23:36,314 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-12-16 03:23:36,499 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,SelfDestructingSolverStorable16 [2021-12-16 03:23:36,499 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:36,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:36,500 INFO L85 PathProgramCache]: Analyzing trace with hash 332232255, now seen corresponding path program 1 times [2021-12-16 03:23:36,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:36,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845774094] [2021-12-16 03:23:36,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:36,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:23:37,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:37,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:23:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:37,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:23:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:37,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 03:23:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:37,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 03:23:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:37,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 03:23:37,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:37,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-16 03:23:37,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-16 03:23:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-16 03:23:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-16 03:23:37,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-16 03:23:37,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:37,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 03:23:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-16 03:23:37,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-16 03:23:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:37,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:37,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:37,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 03:23:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:37,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:37,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-16 03:23:37,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-16 03:23:37,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-16 03:23:37,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-16 03:23:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-16 03:23:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-16 03:23:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:37,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-16 03:23:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,765 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2021-12-16 03:23:37,765 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:37,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845774094] [2021-12-16 03:23:37,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845774094] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:37,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971713159] [2021-12-16 03:23:37,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:37,766 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:37,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:23:37,788 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) [2021-12-16 03:23:37,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-12-16 03:23:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:38,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 3392 conjuncts, 47 conjunts are in the unsatisfiable core [2021-12-16 03:23:38,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:23:38,426 INFO L388 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 [2021-12-16 03:23:38,889 INFO L388 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 20 treesize of output 19 [2021-12-16 03:23:39,563 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 256 proven. 5 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2021-12-16 03:23:39,563 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 03:23:41,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1971713159] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:41,157 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-16 03:23:41,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 16] total 31 [2021-12-16 03:23:41,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566428315] [2021-12-16 03:23:41,157 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-16 03:23:41,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-12-16 03:23:41,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:41,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-12-16 03:23:41,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=1509, Unknown=1, NotChecked=0, Total=1640 [2021-12-16 03:23:41,159 INFO L87 Difference]: Start difference. First operand 439 states and 598 transitions. Second operand has 31 states, 29 states have (on average 7.103448275862069) internal successors, (206), 24 states have internal predecessors, (206), 12 states have call successors, (68), 4 states have call predecessors, (68), 11 states have return successors, (68), 14 states have call predecessors, (68), 12 states have call successors, (68) [2021-12-16 03:23:44,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:44,035 INFO L93 Difference]: Finished difference Result 925 states and 1269 transitions. [2021-12-16 03:23:44,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-12-16 03:23:44,035 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 29 states have (on average 7.103448275862069) internal successors, (206), 24 states have internal predecessors, (206), 12 states have call successors, (68), 4 states have call predecessors, (68), 11 states have return successors, (68), 14 states have call predecessors, (68), 12 states have call successors, (68) Word has length 301 [2021-12-16 03:23:44,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:44,038 INFO L225 Difference]: With dead ends: 925 [2021-12-16 03:23:44,038 INFO L226 Difference]: Without dead ends: 509 [2021-12-16 03:23:44,041 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 668 GetRequests, 586 SyntacticMatches, 15 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1051 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=331, Invalid=4360, Unknown=1, NotChecked=0, Total=4692 [2021-12-16 03:23:44,041 INFO L933 BasicCegarLoop]: 527 mSDtfsCounter, 289 mSDsluCounter, 7529 mSDsCounter, 0 mSdLazyCounter, 3241 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 8056 SdHoareTripleChecker+Invalid, 4084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 3241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 663 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-16 03:23:44,041 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [430 Valid, 8056 Invalid, 4084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 3241 Invalid, 0 Unknown, 663 Unchecked, 2.0s Time] [2021-12-16 03:23:44,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2021-12-16 03:23:44,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 491. [2021-12-16 03:23:44,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 301 states have (on average 1.1528239202657806) internal successors, (347), 306 states have internal predecessors, (347), 152 states have call successors, (152), 34 states have call predecessors, (152), 36 states have return successors, (166), 151 states have call predecessors, (166), 151 states have call successors, (166) [2021-12-16 03:23:44,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 665 transitions. [2021-12-16 03:23:44,063 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 665 transitions. Word has length 301 [2021-12-16 03:23:44,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:44,064 INFO L470 AbstractCegarLoop]: Abstraction has 491 states and 665 transitions. [2021-12-16 03:23:44,064 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 29 states have (on average 7.103448275862069) internal successors, (206), 24 states have internal predecessors, (206), 12 states have call successors, (68), 4 states have call predecessors, (68), 11 states have return successors, (68), 14 states have call predecessors, (68), 12 states have call successors, (68) [2021-12-16 03:23:44,064 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 665 transitions. [2021-12-16 03:23:44,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-12-16 03:23:44,065 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:44,066 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:23:44,105 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-12-16 03:23:44,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-12-16 03:23:44,281 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:44,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:44,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1736101441, now seen corresponding path program 1 times [2021-12-16 03:23:44,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:44,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307019683] [2021-12-16 03:23:44,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:44,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:44,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:23:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:44,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:44,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:23:44,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:23:44,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:44,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:44,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 03:23:44,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:44,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:44,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 03:23:44,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:44,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:44,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 03:23:44,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:44,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:44,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-16 03:23:44,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-16 03:23:44,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-16 03:23:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-16 03:23:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-16 03:23:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:44,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 03:23:44,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-16 03:23:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-16 03:23:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 03:23:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:44,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-16 03:23:44,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-16 03:23:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-16 03:23:44,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-16 03:23:44,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-16 03:23:44,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-16 03:23:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:44,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-16 03:23:44,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,717 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2021-12-16 03:23:44,717 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:44,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307019683] [2021-12-16 03:23:44,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307019683] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:44,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649975782] [2021-12-16 03:23:44,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:44,718 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:44,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:23:44,732 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) [2021-12-16 03:23:44,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-12-16 03:23:45,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:45,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 3387 conjuncts, 47 conjunts are in the unsatisfiable core [2021-12-16 03:23:45,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:23:45,358 INFO L388 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 [2021-12-16 03:23:45,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-16 03:23:45,781 INFO L388 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 [2021-12-16 03:23:46,374 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 256 proven. 5 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2021-12-16 03:23:46,374 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 03:23:47,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649975782] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:47,877 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-16 03:23:47,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 16] total 22 [2021-12-16 03:23:47,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633234886] [2021-12-16 03:23:47,877 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-16 03:23:47,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-12-16 03:23:47,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:47,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-12-16 03:23:47,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=892, Unknown=1, NotChecked=0, Total=992 [2021-12-16 03:23:47,880 INFO L87 Difference]: Start difference. First operand 491 states and 665 transitions. Second operand has 22 states, 20 states have (on average 9.85) internal successors, (197), 17 states have internal predecessors, (197), 9 states have call successors, (65), 4 states have call predecessors, (65), 9 states have return successors, (65), 10 states have call predecessors, (65), 9 states have call successors, (65) [2021-12-16 03:23:48,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:48,710 INFO L93 Difference]: Finished difference Result 908 states and 1264 transitions. [2021-12-16 03:23:48,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-12-16 03:23:48,710 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 20 states have (on average 9.85) internal successors, (197), 17 states have internal predecessors, (197), 9 states have call successors, (65), 4 states have call predecessors, (65), 9 states have return successors, (65), 10 states have call predecessors, (65), 9 states have call successors, (65) Word has length 301 [2021-12-16 03:23:48,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:48,713 INFO L225 Difference]: With dead ends: 908 [2021-12-16 03:23:48,713 INFO L226 Difference]: Without dead ends: 495 [2021-12-16 03:23:48,715 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 629 GetRequests, 577 SyntacticMatches, 12 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 338 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=167, Invalid=1554, Unknown=1, NotChecked=0, Total=1722 [2021-12-16 03:23:48,715 INFO L933 BasicCegarLoop]: 559 mSDtfsCounter, 147 mSDsluCounter, 3736 mSDsCounter, 0 mSdLazyCounter, 1040 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 4295 SdHoareTripleChecker+Invalid, 1588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 1040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 405 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-16 03:23:48,715 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [163 Valid, 4295 Invalid, 1588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 1040 Invalid, 0 Unknown, 405 Unchecked, 0.6s Time] [2021-12-16 03:23:48,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2021-12-16 03:23:48,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 488. [2021-12-16 03:23:48,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 298 states have (on average 1.151006711409396) internal successors, (343), 303 states have internal predecessors, (343), 152 states have call successors, (152), 34 states have call predecessors, (152), 36 states have return successors, (166), 151 states have call predecessors, (166), 151 states have call successors, (166) [2021-12-16 03:23:48,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 661 transitions. [2021-12-16 03:23:48,730 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 661 transitions. Word has length 301 [2021-12-16 03:23:48,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:48,730 INFO L470 AbstractCegarLoop]: Abstraction has 488 states and 661 transitions. [2021-12-16 03:23:48,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 20 states have (on average 9.85) internal successors, (197), 17 states have internal predecessors, (197), 9 states have call successors, (65), 4 states have call predecessors, (65), 9 states have return successors, (65), 10 states have call predecessors, (65), 9 states have call successors, (65) [2021-12-16 03:23:48,731 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 661 transitions. [2021-12-16 03:23:48,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-12-16 03:23:48,732 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:48,732 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:23:48,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-12-16 03:23:48,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:48,952 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:48,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:48,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1392376067, now seen corresponding path program 1 times [2021-12-16 03:23:48,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:48,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351287814] [2021-12-16 03:23:48,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:48,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:49,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:49,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:49,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:49,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:23:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:49,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:49,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:49,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:49,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:49,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:49,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:23:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:49,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:49,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:23:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:49,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:49,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:49,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:49,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 03:23:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:49,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:49,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:49,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:49,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 03:23:49,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:49,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:49,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:49,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:49,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:49,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:49,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:49,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 03:23:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:49,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:49,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:49,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:49,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-16 03:23:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:49,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-16 03:23:49,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:49,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-16 03:23:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:49,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-16 03:23:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:49,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-16 03:23:49,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:49,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:49,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 03:23:49,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:49,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-16 03:23:49,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:49,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-16 03:23:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:50,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:50,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:50,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:50,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:50,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:50,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 03:23:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:50,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:50,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:50,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-16 03:23:50,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:50,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-16 03:23:50,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:50,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-16 03:23:50,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:50,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-16 03:23:50,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:50,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-16 03:23:50,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:50,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-16 03:23:50,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:50,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:50,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-16 03:23:50,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:50,057 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2021-12-16 03:23:50,057 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:50,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351287814] [2021-12-16 03:23:50,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351287814] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:50,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1074158744] [2021-12-16 03:23:50,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:50,057 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:50,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:23:50,058 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) [2021-12-16 03:23:50,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-12-16 03:23:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:50,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 3397 conjuncts, 47 conjunts are in the unsatisfiable core [2021-12-16 03:23:50,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:23:50,753 INFO L388 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 [2021-12-16 03:23:51,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-16 03:23:51,905 INFO L388 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 35 treesize of output 28 [2021-12-16 03:23:53,085 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 256 proven. 5 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2021-12-16 03:23:53,085 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 03:23:55,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1074158744] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:55,110 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-16 03:23:55,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 16] total 43 [2021-12-16 03:23:55,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251787443] [2021-12-16 03:23:55,110 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-16 03:23:55,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2021-12-16 03:23:55,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:55,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-12-16 03:23:55,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=2586, Unknown=1, NotChecked=0, Total=2756 [2021-12-16 03:23:55,117 INFO L87 Difference]: Start difference. First operand 488 states and 661 transitions. Second operand has 43 states, 41 states have (on average 5.560975609756097) internal successors, (228), 33 states have internal predecessors, (228), 17 states have call successors, (69), 4 states have call predecessors, (69), 13 states have return successors, (70), 20 states have call predecessors, (70), 17 states have call successors, (70) [2021-12-16 03:23:59,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:59,553 INFO L93 Difference]: Finished difference Result 935 states and 1294 transitions. [2021-12-16 03:23:59,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-12-16 03:23:59,554 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 41 states have (on average 5.560975609756097) internal successors, (228), 33 states have internal predecessors, (228), 17 states have call successors, (69), 4 states have call predecessors, (69), 13 states have return successors, (70), 20 states have call predecessors, (70), 17 states have call successors, (70) Word has length 301 [2021-12-16 03:23:59,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:59,557 INFO L225 Difference]: With dead ends: 935 [2021-12-16 03:23:59,557 INFO L226 Difference]: Without dead ends: 505 [2021-12-16 03:23:59,560 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 685 GetRequests, 587 SyntacticMatches, 13 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1758 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=432, Invalid=7049, Unknown=1, NotChecked=0, Total=7482 [2021-12-16 03:23:59,560 INFO L933 BasicCegarLoop]: 504 mSDtfsCounter, 492 mSDsluCounter, 8452 mSDsCounter, 0 mSdLazyCounter, 6230 mSolverCounterSat, 317 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 632 SdHoareTripleChecker+Valid, 8956 SdHoareTripleChecker+Invalid, 7414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 317 IncrementalHoareTripleChecker+Valid, 6230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 867 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-12-16 03:23:59,560 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [632 Valid, 8956 Invalid, 7414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [317 Valid, 6230 Invalid, 0 Unknown, 867 Unchecked, 3.3s Time] [2021-12-16 03:23:59,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2021-12-16 03:23:59,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 485. [2021-12-16 03:23:59,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 485 states, 295 states have (on average 1.1457627118644067) internal successors, (338), 300 states have internal predecessors, (338), 152 states have call successors, (152), 34 states have call predecessors, (152), 36 states have return successors, (156), 151 states have call predecessors, (156), 151 states have call successors, (156) [2021-12-16 03:23:59,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 646 transitions. [2021-12-16 03:23:59,576 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 646 transitions. Word has length 301 [2021-12-16 03:23:59,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:59,576 INFO L470 AbstractCegarLoop]: Abstraction has 485 states and 646 transitions. [2021-12-16 03:23:59,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 41 states have (on average 5.560975609756097) internal successors, (228), 33 states have internal predecessors, (228), 17 states have call successors, (69), 4 states have call predecessors, (69), 13 states have return successors, (70), 20 states have call predecessors, (70), 17 states have call successors, (70) [2021-12-16 03:23:59,577 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 646 transitions. [2021-12-16 03:23:59,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-12-16 03:23:59,578 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:59,578 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:23:59,600 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2021-12-16 03:23:59,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:59,791 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:59,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:59,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1739958205, now seen corresponding path program 1 times [2021-12-16 03:23:59,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:59,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501984726] [2021-12-16 03:23:59,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:59,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:24:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:24:00,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:24:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:24:00,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:24:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:24:00,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:24:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:24:00,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:24:00,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:24:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:24:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 03:24:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:24:00,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:24:00,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 03:24:00,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:24:00,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:24:00,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:24:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 03:24:00,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:24:00,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:24:00,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-16 03:24:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-16 03:24:00,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-16 03:24:00,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-16 03:24:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-16 03:24:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:24:00,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 03:24:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-16 03:24:00,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-16 03:24:00,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:24:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:24:00,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:24:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 03:24:00,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:24:00,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:24:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-16 03:24:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-16 03:24:00,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-16 03:24:00,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-16 03:24:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-16 03:24:00,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-16 03:24:00,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:24:00,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-16 03:24:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:00,836 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2021-12-16 03:24:00,836 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:24:00,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501984726] [2021-12-16 03:24:00,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501984726] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:24:00,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349396824] [2021-12-16 03:24:00,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:24:00,837 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:24:00,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:24:00,838 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 03:24:00,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-12-16 03:24:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:24:01,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 3387 conjuncts, 53 conjunts are in the unsatisfiable core [2021-12-16 03:24:01,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:24:01,481 INFO L388 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 [2021-12-16 03:24:01,876 INFO L388 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 20 treesize of output 19 [2021-12-16 03:24:02,696 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 257 proven. 9 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2021-12-16 03:24:02,696 INFO L328 TraceCheckSpWp]: Computing backward predicates...