./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 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_up_to_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 a99219981ed729bbe98ee164646a9fab36b2f68695363dc5b6e7677163d6c74b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 15:37:28,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 15:37:28,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 15:37:28,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 15:37:28,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 15:37:28,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 15:37:28,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 15:37:28,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 15:37:28,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 15:37:28,177 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 15:37:28,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 15:37:28,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 15:37:28,179 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 15:37:28,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 15:37:28,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 15:37:28,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 15:37:28,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 15:37:28,184 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 15:37:28,188 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 15:37:28,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 15:37:28,194 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 15:37:28,195 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 15:37:28,196 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 15:37:28,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 15:37:28,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 15:37:28,198 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 15:37:28,198 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 15:37:28,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 15:37:28,200 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 15:37:28,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 15:37:28,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 15:37:28,201 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 15:37:28,202 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 15:37:28,203 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 15:37:28,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 15:37:28,204 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 15:37:28,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 15:37:28,205 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 15:37:28,205 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 15:37:28,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 15:37:28,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 15:37:28,207 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 15:37:28,231 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 15:37:28,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 15:37:28,231 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 15:37:28,232 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 15:37:28,232 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 15:37:28,232 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 15:37:28,233 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 15:37:28,233 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 15:37:28,233 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 15:37:28,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 15:37:28,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 15:37:28,234 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 15:37:28,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 15:37:28,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 15:37:28,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 15:37:28,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 15:37:28,235 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 15:37:28,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 15:37:28,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 15:37:28,235 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 15:37:28,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 15:37:28,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:37:28,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 15:37:28,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 15:37:28,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 15:37:28,236 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 15:37:28,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 15:37:28,237 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 15:37:28,237 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 15:37:28,237 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 15:37:28,237 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 15:37:28,237 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a99219981ed729bbe98ee164646a9fab36b2f68695363dc5b6e7677163d6c74b [2021-12-21 15:37:28,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 15:37:28,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 15:37:28,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 15:37:28,464 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 15:37:28,465 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 15:37:28,465 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i [2021-12-21 15:37:28,521 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/617042266/8ad5e7e8bd824f528c1d1da95c894ee5/FLAG44111faa5 [2021-12-21 15:37:29,109 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 15:37:29,109 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i [2021-12-21 15:37:29,136 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/617042266/8ad5e7e8bd824f528c1d1da95c894ee5/FLAG44111faa5 [2021-12-21 15:37:29,547 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/617042266/8ad5e7e8bd824f528c1d1da95c894ee5 [2021-12-21 15:37:29,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 15:37:29,549 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 15:37:29,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 15:37:29,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 15:37:29,553 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 15:37:29,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:37:29" (1/1) ... [2021-12-21 15:37:29,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8f4c118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:29, skipping insertion in model container [2021-12-21 15:37:29,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:37:29" (1/1) ... [2021-12-21 15:37:29,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 15:37:29,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 15:37:29,884 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_up_to_harness.i[4503,4516] [2021-12-21 15:37:29,890 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_up_to_harness.i[4563,4576] [2021-12-21 15:37:30,452 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:30,452 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:30,453 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:30,453 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:30,454 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:30,462 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:30,462 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:30,463 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:30,464 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:30,668 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-21 15:37:30,669 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-21 15:37:30,670 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-21 15:37:30,672 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-21 15:37:30,675 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-21 15:37:30,678 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-21 15:37:30,679 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-21 15:37:30,681 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-21 15:37:30,683 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-21 15:37:30,683 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-21 15:37:30,776 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-21 15:37:30,839 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:30,839 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:30,923 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:37:31,001 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 15:37:31,019 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_up_to_harness.i[4503,4516] [2021-12-21 15:37:31,021 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_up_to_harness.i[4563,4576] [2021-12-21 15:37:31,073 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:31,073 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:31,074 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:31,074 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:31,075 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:31,081 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:31,082 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:31,083 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:31,085 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:31,119 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-21 15:37:31,120 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-21 15:37:31,121 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-21 15:37:31,122 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-21 15:37:31,123 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-21 15:37:31,123 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-21 15:37:31,123 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-21 15:37:31,124 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-21 15:37:31,124 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-21 15:37:31,125 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-21 15:37:31,145 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-21 15:37:31,193 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:31,193 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:31,240 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:37:31,411 INFO L208 MainTranslator]: Completed translation [2021-12-21 15:37:31,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:31 WrapperNode [2021-12-21 15:37:31,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 15:37:31,413 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 15:37:31,413 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 15:37:31,413 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 15:37:31,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:31" (1/1) ... [2021-12-21 15:37:31,483 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:31" (1/1) ... [2021-12-21 15:37:31,569 INFO L137 Inliner]: procedures = 695, calls = 2923, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 1203 [2021-12-21 15:37:31,569 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 15:37:31,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 15:37:31,571 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 15:37:31,571 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 15:37:31,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:31" (1/1) ... [2021-12-21 15:37:31,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:31" (1/1) ... [2021-12-21 15:37:31,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:31" (1/1) ... [2021-12-21 15:37:31,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:31" (1/1) ... [2021-12-21 15:37:31,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:31" (1/1) ... [2021-12-21 15:37:31,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:31" (1/1) ... [2021-12-21 15:37:31,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:31" (1/1) ... [2021-12-21 15:37:31,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 15:37:31,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 15:37:31,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 15:37:31,659 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 15:37:31,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:31" (1/1) ... [2021-12-21 15:37:31,665 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:37:31,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:31,688 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) [2021-12-21 15:37:31,693 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 [2021-12-21 15:37:31,717 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2021-12-21 15:37:31,717 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2021-12-21 15:37:31,717 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_store_n [2021-12-21 15:37:31,718 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2021-12-21 15:37:31,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 15:37:31,718 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-21 15:37:31,718 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-21 15:37:31,718 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2021-12-21 15:37:31,718 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2021-12-21 15:37:31,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 15:37:31,718 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-21 15:37:31,718 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-21 15:37:31,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-21 15:37:31,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-21 15:37:31,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 15:37:31,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 15:37:31,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 15:37:31,719 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2021-12-21 15:37:31,719 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2021-12-21 15:37:31,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 15:37:31,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 15:37:31,720 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-21 15:37:31,720 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-21 15:37:31,720 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2021-12-21 15:37:31,720 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2021-12-21 15:37:31,720 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 15:37:31,720 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 15:37:31,720 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2021-12-21 15:37:31,720 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2021-12-21 15:37:31,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 15:37:31,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 15:37:31,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 15:37:31,721 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2021-12-21 15:37:31,721 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2021-12-21 15:37:31,721 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2021-12-21 15:37:31,721 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2021-12-21 15:37:31,721 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-21 15:37:31,721 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-21 15:37:31,722 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2021-12-21 15:37:31,722 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2021-12-21 15:37:31,722 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2021-12-21 15:37:31,722 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2021-12-21 15:37:31,722 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-21 15:37:31,722 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-21 15:37:31,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 15:37:31,722 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2021-12-21 15:37:31,722 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2021-12-21 15:37:31,723 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2021-12-21 15:37:31,723 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2021-12-21 15:37:31,723 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2021-12-21 15:37:31,723 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2021-12-21 15:37:31,723 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2021-12-21 15:37:31,723 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2021-12-21 15:37:31,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 15:37:32,007 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 15:37:32,009 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 15:37:32,925 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 15:37:32,932 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 15:37:32,932 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 15:37:32,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:37:32 BoogieIcfgContainer [2021-12-21 15:37:32,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 15:37:32,935 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 15:37:32,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 15:37:32,938 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 15:37:32,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 03:37:29" (1/3) ... [2021-12-21 15:37:32,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3465fc39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:37:32, skipping insertion in model container [2021-12-21 15:37:32,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:31" (2/3) ... [2021-12-21 15:37:32,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3465fc39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:37:32, skipping insertion in model container [2021-12-21 15:37:32,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:37:32" (3/3) ... [2021-12-21 15:37:32,940 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_up_to_harness.i [2021-12-21 15:37:32,943 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 15:37:32,943 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-21 15:37:32,976 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 15:37:32,988 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 [2021-12-21 15:37:32,988 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-21 15:37:33,020 INFO L276 IsEmpty]: Start isEmpty. Operand has 409 states, 232 states have (on average 1.2112068965517242) internal successors, (281), 234 states have internal predecessors, (281), 154 states have call successors, (154), 20 states have call predecessors, (154), 20 states have return successors, (154), 154 states have call predecessors, (154), 154 states have call successors, (154) [2021-12-21 15:37:33,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-21 15:37:33,025 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:33,026 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] [2021-12-21 15:37:33,026 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:33,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:33,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1080850555, now seen corresponding path program 1 times [2021-12-21 15:37:33,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:33,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300009987] [2021-12-21 15:37:33,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:33,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:33,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:33,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:33,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:33,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:33,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:33,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:33,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:33,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:33,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:33,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:33,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:33,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:33,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:33,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:33,444 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-21 15:37:33,444 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:33,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300009987] [2021-12-21 15:37:33,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300009987] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:33,445 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:37:33,445 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 15:37:33,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060246675] [2021-12-21 15:37:33,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:33,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 15:37:33,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:33,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 15:37:33,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 15:37:33,468 INFO L87 Difference]: Start difference. First operand has 409 states, 232 states have (on average 1.2112068965517242) internal successors, (281), 234 states have internal predecessors, (281), 154 states have call successors, (154), 20 states have call predecessors, (154), 20 states have return successors, (154), 154 states have call predecessors, (154), 154 states have call successors, (154) 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) [2021-12-21 15:37:33,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:33,974 INFO L93 Difference]: Finished difference Result 812 states and 1289 transitions. [2021-12-21 15:37:33,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 15:37:33,976 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 [2021-12-21 15:37:33,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:33,993 INFO L225 Difference]: With dead ends: 812 [2021-12-21 15:37:33,993 INFO L226 Difference]: Without dead ends: 403 [2021-12-21 15:37:34,000 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 [2021-12-21 15:37:34,007 INFO L933 BasicCegarLoop]: 567 mSDtfsCounter, 118 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:34,008 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 727 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-21 15:37:34,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2021-12-21 15:37:34,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2021-12-21 15:37:34,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 227 states have (on average 1.2026431718061674) internal successors, (273), 229 states have internal predecessors, (273), 154 states have call successors, (154), 20 states have call predecessors, (154), 20 states have return successors, (153), 153 states have call predecessors, (153), 153 states have call successors, (153) [2021-12-21 15:37:34,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 580 transitions. [2021-12-21 15:37:34,096 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 580 transitions. Word has length 52 [2021-12-21 15:37:34,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:34,097 INFO L470 AbstractCegarLoop]: Abstraction has 403 states and 580 transitions. [2021-12-21 15:37:34,097 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) [2021-12-21 15:37:34,098 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 580 transitions. [2021-12-21 15:37:34,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-21 15:37:34,099 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:34,099 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] [2021-12-21 15:37:34,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 15:37:34,099 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:34,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:34,100 INFO L85 PathProgramCache]: Analyzing trace with hash 135004093, now seen corresponding path program 1 times [2021-12-21 15:37:34,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:34,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678523652] [2021-12-21 15:37:34,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:34,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:34,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:34,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:34,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:34,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:34,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:34,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:34,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:34,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:34,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:34,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:34,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:34,372 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-21 15:37:34,372 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:34,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678523652] [2021-12-21 15:37:34,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678523652] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:34,372 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:37:34,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-21 15:37:34,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358686172] [2021-12-21 15:37:34,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:34,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-21 15:37:34,374 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:34,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-21 15:37:34,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-21 15:37:34,375 INFO L87 Difference]: Start difference. First operand 403 states and 580 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) [2021-12-21 15:37:35,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:35,225 INFO L93 Difference]: Finished difference Result 801 states and 1203 transitions. [2021-12-21 15:37:35,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 15:37:35,226 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 [2021-12-21 15:37:35,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:35,228 INFO L225 Difference]: With dead ends: 801 [2021-12-21 15:37:35,228 INFO L226 Difference]: Without dead ends: 415 [2021-12-21 15:37:35,230 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 [2021-12-21 15:37:35,231 INFO L933 BasicCegarLoop]: 552 mSDtfsCounter, 158 mSDsluCounter, 2377 mSDsCounter, 0 mSdLazyCounter, 825 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 2929 SdHoareTripleChecker+Invalid, 993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:35,231 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [174 Valid, 2929 Invalid, 993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 825 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-21 15:37:35,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2021-12-21 15:37:35,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 415. [2021-12-21 15:37:35,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 236 states have (on average 1.2076271186440677) internal successors, (285), 238 states have internal predecessors, (285), 155 states have call successors, (155), 22 states have call predecessors, (155), 22 states have return successors, (154), 154 states have call predecessors, (154), 154 states have call successors, (154) [2021-12-21 15:37:35,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 594 transitions. [2021-12-21 15:37:35,259 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 594 transitions. Word has length 52 [2021-12-21 15:37:35,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:35,259 INFO L470 AbstractCegarLoop]: Abstraction has 415 states and 594 transitions. [2021-12-21 15:37:35,260 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) [2021-12-21 15:37:35,260 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 594 transitions. [2021-12-21 15:37:35,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-12-21 15:37:35,261 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:35,262 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] [2021-12-21 15:37:35,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 15:37:35,262 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:35,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:35,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1441797306, now seen corresponding path program 1 times [2021-12-21 15:37:35,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:35,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685267720] [2021-12-21 15:37:35,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:35,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:35,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:35,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:35,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:35,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:35,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:35,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:35,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:35,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:35,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:35,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:35,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:35,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:35,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:35,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:35,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:35,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:35,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:35,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-21 15:37:35,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:35,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:35,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:35,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:35,598 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-21 15:37:35,598 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:35,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685267720] [2021-12-21 15:37:35,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685267720] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:35,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [102753900] [2021-12-21 15:37:35,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:35,600 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:35,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:35,602 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) [2021-12-21 15:37:35,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-21 15:37:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 2575 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-21 15:37:36,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:36,211 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-12-21 15:37:36,211 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:36,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [102753900] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:36,212 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:36,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2021-12-21 15:37:36,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402848670] [2021-12-21 15:37:36,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:36,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 15:37:36,213 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:36,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 15:37:36,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-12-21 15:37:36,214 INFO L87 Difference]: Start difference. First operand 415 states and 594 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) [2021-12-21 15:37:36,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:36,294 INFO L93 Difference]: Finished difference Result 431 states and 613 transitions. [2021-12-21 15:37:36,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 15:37:36,294 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 [2021-12-21 15:37:36,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:36,298 INFO L225 Difference]: With dead ends: 431 [2021-12-21 15:37:36,298 INFO L226 Difference]: Without dead ends: 428 [2021-12-21 15:37:36,299 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 [2021-12-21 15:37:36,301 INFO L933 BasicCegarLoop]: 580 mSDtfsCounter, 26 mSDsluCounter, 2861 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 3441 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 [2021-12-21 15:37:36,302 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 3441 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 15:37:36,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2021-12-21 15:37:36,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 428. [2021-12-21 15:37:36,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 246 states have (on average 1.2154471544715446) internal successors, (299), 248 states have internal predecessors, (299), 156 states have call successors, (156), 24 states have call predecessors, (156), 24 states have return successors, (155), 155 states have call predecessors, (155), 155 states have call successors, (155) [2021-12-21 15:37:36,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 610 transitions. [2021-12-21 15:37:36,327 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 610 transitions. Word has length 85 [2021-12-21 15:37:36,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:36,329 INFO L470 AbstractCegarLoop]: Abstraction has 428 states and 610 transitions. [2021-12-21 15:37:36,329 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) [2021-12-21 15:37:36,330 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 610 transitions. [2021-12-21 15:37:36,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-12-21 15:37:36,335 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:36,335 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1] [2021-12-21 15:37:36,360 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-21 15:37:36,551 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 [2021-12-21 15:37:36,552 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:36,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:36,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1782702804, now seen corresponding path program 1 times [2021-12-21 15:37:36,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:36,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937351765] [2021-12-21 15:37:36,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:36,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:36,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:36,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:36,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:36,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-21 15:37:36,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:36,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-21 15:37:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:36,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:36,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:36,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:37:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-21 15:37:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-21 15:37:36,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-21 15:37:36,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-21 15:37:36,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-21 15:37:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-21 15:37:36,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 15:37:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-21 15:37:36,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:36,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:36,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:37,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:37,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:37,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:37,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:37:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-21 15:37:37,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-21 15:37:37,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-21 15:37:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,055 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-12-21 15:37:37,055 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:37,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937351765] [2021-12-21 15:37:37,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937351765] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:37,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193509998] [2021-12-21 15:37:37,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:37,056 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:37,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:37,057 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) [2021-12-21 15:37:37,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-21 15:37:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 3258 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-21 15:37:37,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:37,925 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2021-12-21 15:37:37,926 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:37,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193509998] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:37,926 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:37,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 6 [2021-12-21 15:37:37,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119279658] [2021-12-21 15:37:37,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:37,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 15:37:37,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:37,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 15:37:37,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 15:37:37,927 INFO L87 Difference]: Start difference. First operand 428 states and 610 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-12-21 15:37:37,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:37,969 INFO L93 Difference]: Finished difference Result 821 states and 1189 transitions. [2021-12-21 15:37:37,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 15:37:37,969 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 259 [2021-12-21 15:37:37,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:37,972 INFO L225 Difference]: With dead ends: 821 [2021-12-21 15:37:37,972 INFO L226 Difference]: Without dead ends: 432 [2021-12-21 15:37:37,973 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 344 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-21 15:37:37,974 INFO L933 BasicCegarLoop]: 575 mSDtfsCounter, 3 mSDsluCounter, 1146 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1721 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 [2021-12-21 15:37:37,974 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 1721 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 15:37:37,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2021-12-21 15:37:37,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 430. [2021-12-21 15:37:37,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 248 states have (on average 1.2137096774193548) internal successors, (301), 250 states have internal predecessors, (301), 156 states have call successors, (156), 24 states have call predecessors, (156), 24 states have return successors, (155), 155 states have call predecessors, (155), 155 states have call successors, (155) [2021-12-21 15:37:37,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 612 transitions. [2021-12-21 15:37:37,986 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 612 transitions. Word has length 259 [2021-12-21 15:37:37,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:37,987 INFO L470 AbstractCegarLoop]: Abstraction has 430 states and 612 transitions. [2021-12-21 15:37:37,987 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-12-21 15:37:37,987 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 612 transitions. [2021-12-21 15:37:37,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-12-21 15:37:37,989 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:37,989 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1] [2021-12-21 15:37:38,010 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-21 15:37:38,210 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 [2021-12-21 15:37:38,210 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:38,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:38,211 INFO L85 PathProgramCache]: Analyzing trace with hash -391632620, now seen corresponding path program 1 times [2021-12-21 15:37:38,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:38,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148287070] [2021-12-21 15:37:38,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:38,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:38,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:38,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:38,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:38,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:38,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:38,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:38,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:38,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-21 15:37:38,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:38,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-21 15:37:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:38,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:38,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:38,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:37:38,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-21 15:37:38,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-21 15:37:38,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-21 15:37:38,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-21 15:37:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-21 15:37:38,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-21 15:37:38,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 15:37:38,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-21 15:37:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:38,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:38,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:38,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:38,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:38,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:38,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:37:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-21 15:37:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-21 15:37:38,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-21 15:37:38,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,651 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 20 proven. 16 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked. [2021-12-21 15:37:38,651 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:38,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148287070] [2021-12-21 15:37:38,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148287070] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:38,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293136411] [2021-12-21 15:37:38,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:38,653 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:38,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:38,654 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) [2021-12-21 15:37:38,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-21 15:37:39,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 3248 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-21 15:37:39,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:39,501 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2021-12-21 15:37:39,502 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:39,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1293136411] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:39,502 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:39,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2021-12-21 15:37:39,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578582057] [2021-12-21 15:37:39,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:39,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 15:37:39,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:39,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 15:37:39,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-12-21 15:37:39,504 INFO L87 Difference]: Start difference. First operand 430 states and 612 transitions. Second operand has 7 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2021-12-21 15:37:39,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:39,570 INFO L93 Difference]: Finished difference Result 788 states and 1126 transitions. [2021-12-21 15:37:39,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 15:37:39,570 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 259 [2021-12-21 15:37:39,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:39,573 INFO L225 Difference]: With dead ends: 788 [2021-12-21 15:37:39,573 INFO L226 Difference]: Without dead ends: 440 [2021-12-21 15:37:39,575 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 338 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-12-21 15:37:39,575 INFO L933 BasicCegarLoop]: 581 mSDtfsCounter, 17 mSDsluCounter, 2868 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 3449 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 [2021-12-21 15:37:39,576 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 3449 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 15:37:39,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2021-12-21 15:37:39,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 440. [2021-12-21 15:37:39,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 255 states have (on average 1.2117647058823529) internal successors, (309), 257 states have internal predecessors, (309), 157 states have call successors, (157), 26 states have call predecessors, (157), 26 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2021-12-21 15:37:39,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 622 transitions. [2021-12-21 15:37:39,589 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 622 transitions. Word has length 259 [2021-12-21 15:37:39,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:39,590 INFO L470 AbstractCegarLoop]: Abstraction has 440 states and 622 transitions. [2021-12-21 15:37:39,590 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2021-12-21 15:37:39,590 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 622 transitions. [2021-12-21 15:37:39,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-12-21 15:37:39,592 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:39,592 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1] [2021-12-21 15:37:39,617 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-21 15:37:39,807 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 [2021-12-21 15:37:39,807 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:39,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:39,808 INFO L85 PathProgramCache]: Analyzing trace with hash 338403982, now seen corresponding path program 1 times [2021-12-21 15:37:39,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:39,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467234253] [2021-12-21 15:37:39,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:39,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:39,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:39,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:39,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:39,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:39,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:39,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-21 15:37:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:40,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-21 15:37:40,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:40,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:40,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:40,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:40,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:40,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:37:40,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-21 15:37:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-21 15:37:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-21 15:37:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-21 15:37:40,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-21 15:37:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-21 15:37:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 15:37:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-21 15:37:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:40,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:40,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:40,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:40,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:40,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:37:40,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-21 15:37:40,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-21 15:37:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-21 15:37:40,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-21 15:37:40,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:40,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-21 15:37:40,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,214 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2021-12-21 15:37:40,214 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:40,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467234253] [2021-12-21 15:37:40,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467234253] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:40,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798443805] [2021-12-21 15:37:40,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:40,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:40,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:40,215 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) [2021-12-21 15:37:40,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-21 15:37:40,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 3300 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-21 15:37:40,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:41,129 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2021-12-21 15:37:41,129 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:41,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [798443805] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:41,129 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:41,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2021-12-21 15:37:41,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567831471] [2021-12-21 15:37:41,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:41,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 15:37:41,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:41,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 15:37:41,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-12-21 15:37:41,131 INFO L87 Difference]: Start difference. First operand 440 states and 622 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, (39), 2 states have call predecessors, (39), 3 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2021-12-21 15:37:41,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:41,707 INFO L93 Difference]: Finished difference Result 844 states and 1210 transitions. [2021-12-21 15:37:41,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 15:37:41,708 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, (39), 2 states have call predecessors, (39), 3 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) Word has length 269 [2021-12-21 15:37:41,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:41,711 INFO L225 Difference]: With dead ends: 844 [2021-12-21 15:37:41,712 INFO L226 Difference]: Without dead ends: 443 [2021-12-21 15:37:41,713 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 353 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2021-12-21 15:37:41,714 INFO L933 BasicCegarLoop]: 423 mSDtfsCounter, 588 mSDsluCounter, 1494 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 588 SdHoareTripleChecker+Valid, 1917 SdHoareTripleChecker+Invalid, 970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 306 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:41,714 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [588 Valid, 1917 Invalid, 970 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [306 Valid, 664 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-21 15:37:41,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2021-12-21 15:37:41,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443. [2021-12-21 15:37:41,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 257 states have (on average 1.2101167315175096) internal successors, (311), 260 states have internal predecessors, (311), 157 states have call successors, (157), 26 states have call predecessors, (157), 27 states have return successors, (168), 156 states have call predecessors, (168), 156 states have call successors, (168) [2021-12-21 15:37:41,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 636 transitions. [2021-12-21 15:37:41,730 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 636 transitions. Word has length 269 [2021-12-21 15:37:41,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:41,730 INFO L470 AbstractCegarLoop]: Abstraction has 443 states and 636 transitions. [2021-12-21 15:37:41,731 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, (39), 2 states have call predecessors, (39), 3 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2021-12-21 15:37:41,731 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 636 transitions. [2021-12-21 15:37:41,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-12-21 15:37:41,732 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:41,733 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1] [2021-12-21 15:37:41,763 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-21 15:37:41,943 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 [2021-12-21 15:37:41,943 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:41,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:41,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1357424935, now seen corresponding path program 1 times [2021-12-21 15:37:41,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:41,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207928244] [2021-12-21 15:37:41,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:41,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:42,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:42,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:42,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:42,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:42,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-21 15:37:42,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:42,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-21 15:37:42,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:42,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:42,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:42,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:42,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:42,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:42,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:37:42,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-21 15:37:42,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-21 15:37:42,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-21 15:37:42,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-21 15:37:42,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-21 15:37:42,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-21 15:37:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-21 15:37:42,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-21 15:37:42,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:42,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:42,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:42,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:42,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:42,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:42,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:42,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:37:42,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-21 15:37:42,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-12-21 15:37:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-21 15:37:42,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-21 15:37:42,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:42,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-21 15:37:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,327 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2021-12-21 15:37:42,327 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:42,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207928244] [2021-12-21 15:37:42,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207928244] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:42,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1236810207] [2021-12-21 15:37:42,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:42,328 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:42,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:42,329 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) [2021-12-21 15:37:42,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-21 15:37:42,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 3316 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-21 15:37:42,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:43,165 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2021-12-21 15:37:43,165 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:43,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1236810207] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:43,166 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:43,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2021-12-21 15:37:43,166 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135135701] [2021-12-21 15:37:43,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:43,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-21 15:37:43,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:43,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-21 15:37:43,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-12-21 15:37:43,167 INFO L87 Difference]: Start difference. First operand 443 states and 636 transitions. Second operand has 8 states, 7 states have (on average 14.428571428571429) internal successors, (101), 8 states have internal predecessors, (101), 5 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (36), 5 states have call predecessors, (36), 5 states have call successors, (36) [2021-12-21 15:37:43,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:43,857 INFO L93 Difference]: Finished difference Result 819 states and 1185 transitions. [2021-12-21 15:37:43,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 15:37:43,857 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 14.428571428571429) internal successors, (101), 8 states have internal predecessors, (101), 5 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (36), 5 states have call predecessors, (36), 5 states have call successors, (36) Word has length 271 [2021-12-21 15:37:43,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:43,860 INFO L225 Difference]: With dead ends: 819 [2021-12-21 15:37:43,860 INFO L226 Difference]: Without dead ends: 443 [2021-12-21 15:37:43,861 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2021-12-21 15:37:43,861 INFO L933 BasicCegarLoop]: 408 mSDtfsCounter, 710 mSDsluCounter, 1749 mSDsCounter, 0 mSdLazyCounter, 754 mSolverCounterSat, 407 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 710 SdHoareTripleChecker+Valid, 2157 SdHoareTripleChecker+Invalid, 1161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 407 IncrementalHoareTripleChecker+Valid, 754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:43,862 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [710 Valid, 2157 Invalid, 1161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [407 Valid, 754 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-21 15:37:43,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2021-12-21 15:37:43,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443. [2021-12-21 15:37:43,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 257 states have (on average 1.2101167315175096) internal successors, (311), 260 states have internal predecessors, (311), 157 states have call successors, (157), 26 states have call predecessors, (157), 27 states have return successors, (158), 156 states have call predecessors, (158), 156 states have call successors, (158) [2021-12-21 15:37:43,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 626 transitions. [2021-12-21 15:37:43,876 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 626 transitions. Word has length 271 [2021-12-21 15:37:43,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:43,877 INFO L470 AbstractCegarLoop]: Abstraction has 443 states and 626 transitions. [2021-12-21 15:37:43,877 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 14.428571428571429) internal successors, (101), 8 states have internal predecessors, (101), 5 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (36), 5 states have call predecessors, (36), 5 states have call successors, (36) [2021-12-21 15:37:43,877 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 626 transitions. [2021-12-21 15:37:43,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-12-21 15:37:43,879 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:43,879 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1] [2021-12-21 15:37:43,901 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-21 15:37:44,099 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 [2021-12-21 15:37:44,099 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:44,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:44,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1106925038, now seen corresponding path program 1 times [2021-12-21 15:37:44,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:44,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158897642] [2021-12-21 15:37:44,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:44,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:44,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:44,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:44,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:44,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:44,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:44,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:44,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:44,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-21 15:37:44,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:44,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-21 15:37:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:44,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:44,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:44,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:44,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:37:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-21 15:37:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-21 15:37:44,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-21 15:37:44,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:44,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-21 15:37:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-21 15:37:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-21 15:37:44,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-21 15:37:44,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-21 15:37:44,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:44,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:44,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:44,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:44,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:44,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:37:44,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-21 15:37:44,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-21 15:37:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-21 15:37:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-21 15:37:44,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:44,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-21 15:37:44,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,571 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2021-12-21 15:37:44,571 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:44,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158897642] [2021-12-21 15:37:44,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158897642] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:44,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139196262] [2021-12-21 15:37:44,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:44,571 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:44,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:44,572 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) [2021-12-21 15:37:44,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-21 15:37:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 3332 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-21 15:37:45,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:45,403 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2021-12-21 15:37:45,404 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:45,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139196262] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:45,404 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:45,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2021-12-21 15:37:45,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429837630] [2021-12-21 15:37:45,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:45,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 15:37:45,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:45,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 15:37:45,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-21 15:37:45,405 INFO L87 Difference]: Start difference. First operand 443 states and 626 transitions. Second operand has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-12-21 15:37:45,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:45,474 INFO L93 Difference]: Finished difference Result 885 states and 1250 transitions. [2021-12-21 15:37:45,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 15:37:45,475 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 273 [2021-12-21 15:37:45,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:45,479 INFO L225 Difference]: With dead ends: 885 [2021-12-21 15:37:45,479 INFO L226 Difference]: Without dead ends: 454 [2021-12-21 15:37:45,481 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 358 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-12-21 15:37:45,481 INFO L933 BasicCegarLoop]: 567 mSDtfsCounter, 7 mSDsluCounter, 1668 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2235 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:45,482 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 2235 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 15:37:45,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2021-12-21 15:37:45,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 450. [2021-12-21 15:37:45,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 261 states have (on average 1.2030651340996168) internal successors, (314), 265 states have internal predecessors, (314), 158 states have call successors, (158), 27 states have call predecessors, (158), 29 states have return successors, (161), 157 states have call predecessors, (161), 157 states have call successors, (161) [2021-12-21 15:37:45,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 633 transitions. [2021-12-21 15:37:45,500 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 633 transitions. Word has length 273 [2021-12-21 15:37:45,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:45,501 INFO L470 AbstractCegarLoop]: Abstraction has 450 states and 633 transitions. [2021-12-21 15:37:45,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-12-21 15:37:45,501 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 633 transitions. [2021-12-21 15:37:45,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-12-21 15:37:45,504 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:45,504 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1] [2021-12-21 15:37:45,527 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-12-21 15:37:45,719 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 [2021-12-21 15:37:45,719 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:45,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:45,720 INFO L85 PathProgramCache]: Analyzing trace with hash -931612834, now seen corresponding path program 1 times [2021-12-21 15:37:45,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:45,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679231416] [2021-12-21 15:37:45,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:45,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:45,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:45,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:45,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:45,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:45,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:45,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-21 15:37:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:45,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-21 15:37:45,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:45,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:45,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:45,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:37:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 15:37:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-21 15:37:45,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-21 15:37:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:46,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-21 15:37:46,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-21 15:37:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-21 15:37:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-21 15:37:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-21 15:37:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:46,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:46,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:46,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:46,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:46,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:37:46,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-21 15:37:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-21 15:37:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-21 15:37:46,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-21 15:37:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-21 15:37:46,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,102 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2021-12-21 15:37:46,103 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:46,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679231416] [2021-12-21 15:37:46,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679231416] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:46,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1763274183] [2021-12-21 15:37:46,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:46,103 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:46,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:46,104 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) [2021-12-21 15:37:46,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-21 15:37:46,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 3336 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-21 15:37:46,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:46,897 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2021-12-21 15:37:46,897 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:46,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1763274183] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:46,897 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:46,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2021-12-21 15:37:46,898 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020432737] [2021-12-21 15:37:46,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:46,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 15:37:46,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:46,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 15:37:46,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-21 15:37:46,899 INFO L87 Difference]: Start difference. First operand 450 states and 633 transitions. Second operand has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-21 15:37:46,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:46,971 INFO L93 Difference]: Finished difference Result 871 states and 1263 transitions. [2021-12-21 15:37:46,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 15:37:46,972 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 275 [2021-12-21 15:37:46,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:46,974 INFO L225 Difference]: With dead ends: 871 [2021-12-21 15:37:46,974 INFO L226 Difference]: Without dead ends: 450 [2021-12-21 15:37:46,976 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-12-21 15:37:46,978 INFO L933 BasicCegarLoop]: 574 mSDtfsCounter, 7 mSDsluCounter, 1698 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2272 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:46,978 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 2272 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 15:37:46,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2021-12-21 15:37:46,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2021-12-21 15:37:46,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 261 states have (on average 1.1954022988505748) internal successors, (312), 265 states have internal predecessors, (312), 158 states have call successors, (158), 27 states have call predecessors, (158), 29 states have return successors, (161), 157 states have call predecessors, (161), 157 states have call successors, (161) [2021-12-21 15:37:46,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 631 transitions. [2021-12-21 15:37:46,996 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 631 transitions. Word has length 275 [2021-12-21 15:37:46,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:46,997 INFO L470 AbstractCegarLoop]: Abstraction has 450 states and 631 transitions. [2021-12-21 15:37:46,997 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-21 15:37:46,997 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 631 transitions. [2021-12-21 15:37:46,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-12-21 15:37:46,999 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:47,000 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 7, 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, 1, 1, 1] [2021-12-21 15:37:47,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-12-21 15:37:47,220 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 [2021-12-21 15:37:47,221 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:47,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:47,221 INFO L85 PathProgramCache]: Analyzing trace with hash -73187568, now seen corresponding path program 1 times [2021-12-21 15:37:47,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:47,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7717002] [2021-12-21 15:37:47,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:47,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:47,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:47,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:47,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:47,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-21 15:37:47,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-21 15:37:47,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:47,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-21 15:37:47,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 15:37:47,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-21 15:37:47,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-21 15:37:47,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 15:37:47,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-21 15:37:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-21 15:37:47,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 15:37:47,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-21 15:37:47,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-21 15:37:47,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:47,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-21 15:37:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 15:37:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-21 15:37:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-21 15:37:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-21 15:37:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-21 15:37:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-21 15:37:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,575 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked. [2021-12-21 15:37:47,575 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:47,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7717002] [2021-12-21 15:37:47,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7717002] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:47,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1559890601] [2021-12-21 15:37:47,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:47,576 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:47,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:47,577 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) [2021-12-21 15:37:47,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-21 15:37:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 3346 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-21 15:37:48,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:48,396 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2021-12-21 15:37:48,396 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:48,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1559890601] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:48,396 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:48,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2021-12-21 15:37:48,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633207987] [2021-12-21 15:37:48,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:48,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 15:37:48,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:48,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 15:37:48,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-12-21 15:37:48,397 INFO L87 Difference]: Start difference. First operand 450 states and 631 transitions. Second operand has 7 states, 6 states have (on average 14.5) internal successors, (87), 7 states have internal predecessors, (87), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-12-21 15:37:48,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:48,515 INFO L93 Difference]: Finished difference Result 895 states and 1255 transitions. [2021-12-21 15:37:48,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 15:37:48,515 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.5) internal successors, (87), 7 states have internal predecessors, (87), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 280 [2021-12-21 15:37:48,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:48,517 INFO L225 Difference]: With dead ends: 895 [2021-12-21 15:37:48,517 INFO L226 Difference]: Without dead ends: 454 [2021-12-21 15:37:48,519 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-12-21 15:37:48,520 INFO L933 BasicCegarLoop]: 563 mSDtfsCounter, 19 mSDsluCounter, 2771 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 3334 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:48,520 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 3334 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 15:37:48,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2021-12-21 15:37:48,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 450. [2021-12-21 15:37:48,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 261 states have (on average 1.1915708812260537) internal successors, (311), 265 states have internal predecessors, (311), 158 states have call successors, (158), 27 states have call predecessors, (158), 29 states have return successors, (161), 157 states have call predecessors, (161), 157 states have call successors, (161) [2021-12-21 15:37:48,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 630 transitions. [2021-12-21 15:37:48,535 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 630 transitions. Word has length 280 [2021-12-21 15:37:48,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:48,535 INFO L470 AbstractCegarLoop]: Abstraction has 450 states and 630 transitions. [2021-12-21 15:37:48,535 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.5) internal successors, (87), 7 states have internal predecessors, (87), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-12-21 15:37:48,535 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 630 transitions. [2021-12-21 15:37:48,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-12-21 15:37:48,536 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:48,536 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:37:48,563 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-12-21 15:37:48,758 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 [2021-12-21 15:37:48,758 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:48,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:48,758 INFO L85 PathProgramCache]: Analyzing trace with hash -2146100224, now seen corresponding path program 1 times [2021-12-21 15:37:48,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:48,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061381033] [2021-12-21 15:37:48,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:48,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:48,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:48,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:48,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:48,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-21 15:37:48,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:48,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-21 15:37:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:48,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:48,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:48,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:49,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-21 15:37:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 15:37:49,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-21 15:37:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-21 15:37:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 15:37:49,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-21 15:37:49,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-21 15:37:49,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-21 15:37:49,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-21 15:37:49,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-21 15:37:49,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:49,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:49,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:49,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:49,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-21 15:37:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 15:37:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-21 15:37:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-21 15:37:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-12-21 15:37:49,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-21 15:37:49,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-21 15:37:49,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,199 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2021-12-21 15:37:49,199 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:49,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061381033] [2021-12-21 15:37:49,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061381033] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:49,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [959327422] [2021-12-21 15:37:49,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:49,200 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:49,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:49,201 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) [2021-12-21 15:37:49,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-21 15:37:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 3350 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-21 15:37:49,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:50,010 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2021-12-21 15:37:50,010 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:50,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [959327422] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:50,011 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:50,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2021-12-21 15:37:50,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974384947] [2021-12-21 15:37:50,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:50,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 15:37:50,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:50,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 15:37:50,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-12-21 15:37:50,012 INFO L87 Difference]: Start difference. First operand 450 states and 630 transitions. Second operand has 7 states, 6 states have (on average 15.0) internal successors, (90), 7 states have internal predecessors, (90), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-12-21 15:37:50,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:50,127 INFO L93 Difference]: Finished difference Result 892 states and 1250 transitions. [2021-12-21 15:37:50,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 15:37:50,128 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.0) internal successors, (90), 7 states have internal predecessors, (90), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 282 [2021-12-21 15:37:50,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:50,130 INFO L225 Difference]: With dead ends: 892 [2021-12-21 15:37:50,130 INFO L226 Difference]: Without dead ends: 454 [2021-12-21 15:37:50,132 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 [2021-12-21 15:37:50,132 INFO L933 BasicCegarLoop]: 562 mSDtfsCounter, 18 mSDsluCounter, 2768 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 3330 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:50,133 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 3330 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 15:37:50,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2021-12-21 15:37:50,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 450. [2021-12-21 15:37:50,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 261 states have (on average 1.1877394636015326) internal successors, (310), 265 states have internal predecessors, (310), 158 states have call successors, (158), 27 states have call predecessors, (158), 29 states have return successors, (161), 157 states have call predecessors, (161), 157 states have call successors, (161) [2021-12-21 15:37:50,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 629 transitions. [2021-12-21 15:37:50,147 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 629 transitions. Word has length 282 [2021-12-21 15:37:50,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:50,147 INFO L470 AbstractCegarLoop]: Abstraction has 450 states and 629 transitions. [2021-12-21 15:37:50,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.0) internal successors, (90), 7 states have internal predecessors, (90), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-12-21 15:37:50,147 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 629 transitions. [2021-12-21 15:37:50,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-12-21 15:37:50,148 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:50,149 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:37:50,171 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-12-21 15:37:50,367 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 [2021-12-21 15:37:50,367 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:50,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:50,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1895487992, now seen corresponding path program 1 times [2021-12-21 15:37:50,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:50,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190158962] [2021-12-21 15:37:50,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:50,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:50,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:50,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:50,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:50,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-21 15:37:50,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-21 15:37:50,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:50,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-21 15:37:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 15:37:50,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-21 15:37:50,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-21 15:37:50,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-21 15:37:50,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-21 15:37:50,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-21 15:37:50,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-21 15:37:50,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-21 15:37:50,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-21 15:37:50,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:50,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-21 15:37:50,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 15:37:50,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-21 15:37:50,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-21 15:37:50,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-21 15:37:50,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-21 15:37:50,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-21 15:37:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,736 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2021-12-21 15:37:50,736 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:50,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190158962] [2021-12-21 15:37:50,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190158962] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:50,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983398655] [2021-12-21 15:37:50,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:50,737 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:50,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:50,738 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) [2021-12-21 15:37:50,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-21 15:37:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:51,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 3354 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-21 15:37:51,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:51,661 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2021-12-21 15:37:51,662 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:51,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [983398655] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:51,662 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:51,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2021-12-21 15:37:51,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569518137] [2021-12-21 15:37:51,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:51,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 15:37:51,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:51,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 15:37:51,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-12-21 15:37:51,663 INFO L87 Difference]: Start difference. First operand 450 states and 629 transitions. Second operand has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 states have internal predecessors, (92), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-12-21 15:37:51,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:51,802 INFO L93 Difference]: Finished difference Result 892 states and 1248 transitions. [2021-12-21 15:37:51,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 15:37:51,802 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 states have internal predecessors, (92), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 284 [2021-12-21 15:37:51,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:51,805 INFO L225 Difference]: With dead ends: 892 [2021-12-21 15:37:51,805 INFO L226 Difference]: Without dead ends: 454 [2021-12-21 15:37:51,806 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 368 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-12-21 15:37:51,807 INFO L933 BasicCegarLoop]: 561 mSDtfsCounter, 17 mSDsluCounter, 2765 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 3326 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:51,807 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 3326 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 15:37:51,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2021-12-21 15:37:51,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 450. [2021-12-21 15:37:51,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 261 states have (on average 1.1839080459770115) internal successors, (309), 265 states have internal predecessors, (309), 158 states have call successors, (158), 27 states have call predecessors, (158), 29 states have return successors, (161), 157 states have call predecessors, (161), 157 states have call successors, (161) [2021-12-21 15:37:51,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 628 transitions. [2021-12-21 15:37:51,827 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 628 transitions. Word has length 284 [2021-12-21 15:37:51,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:51,828 INFO L470 AbstractCegarLoop]: Abstraction has 450 states and 628 transitions. [2021-12-21 15:37:51,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 states have internal predecessors, (92), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-12-21 15:37:51,829 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 628 transitions. [2021-12-21 15:37:51,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2021-12-21 15:37:51,830 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:51,830 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1] [2021-12-21 15:37:51,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-12-21 15:37:52,048 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 [2021-12-21 15:37:52,048 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:52,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:52,050 INFO L85 PathProgramCache]: Analyzing trace with hash -895476864, now seen corresponding path program 1 times [2021-12-21 15:37:52,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:52,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790930647] [2021-12-21 15:37:52,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:52,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:52,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:52,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:52,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:52,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 15:37:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 15:37:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:52,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-21 15:37:52,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 15:37:52,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-21 15:37:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 15:37:52,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-21 15:37:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-21 15:37:52,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 15:37:52,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-21 15:37:52,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-21 15:37:52,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-21 15:37:52,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:52,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-21 15:37:52,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 15:37:52,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-21 15:37:52,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-21 15:37:52,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-21 15:37:52,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-21 15:37:52,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-12-21 15:37:52,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,422 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2021-12-21 15:37:52,422 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:52,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790930647] [2021-12-21 15:37:52,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790930647] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:52,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740787189] [2021-12-21 15:37:52,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:52,423 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:52,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:52,424 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) [2021-12-21 15:37:52,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-12-21 15:37:52,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 3358 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-21 15:37:52,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:53,241 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2021-12-21 15:37:53,242 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:53,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [740787189] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:53,242 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:53,242 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2021-12-21 15:37:53,242 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275969266] [2021-12-21 15:37:53,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:53,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 15:37:53,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:53,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 15:37:53,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-12-21 15:37:53,244 INFO L87 Difference]: Start difference. First operand 450 states and 628 transitions. Second operand has 7 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 states have internal predecessors, (95), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-21 15:37:53,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:53,325 INFO L93 Difference]: Finished difference Result 866 states and 1251 transitions. [2021-12-21 15:37:53,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 15:37:53,326 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 states have internal predecessors, (95), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 286 [2021-12-21 15:37:53,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:53,328 INFO L225 Difference]: With dead ends: 866 [2021-12-21 15:37:53,328 INFO L226 Difference]: Without dead ends: 450 [2021-12-21 15:37:53,330 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 371 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-12-21 15:37:53,331 INFO L933 BasicCegarLoop]: 569 mSDtfsCounter, 18 mSDsluCounter, 2808 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 3377 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:53,331 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 3377 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 15:37:53,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2021-12-21 15:37:53,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2021-12-21 15:37:53,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 261 states have (on average 1.1800766283524904) internal successors, (308), 265 states have internal predecessors, (308), 158 states have call successors, (158), 27 states have call predecessors, (158), 29 states have return successors, (161), 157 states have call predecessors, (161), 157 states have call successors, (161) [2021-12-21 15:37:53,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 627 transitions. [2021-12-21 15:37:53,349 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 627 transitions. Word has length 286 [2021-12-21 15:37:53,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:53,349 INFO L470 AbstractCegarLoop]: Abstraction has 450 states and 627 transitions. [2021-12-21 15:37:53,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 states have internal predecessors, (95), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-21 15:37:53,350 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 627 transitions. [2021-12-21 15:37:53,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-12-21 15:37:53,351 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:53,351 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1] [2021-12-21 15:37:53,387 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-12-21 15:37:53,587 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 [2021-12-21 15:37:53,588 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:53,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:53,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1184844672, now seen corresponding path program 1 times [2021-12-21 15:37:53,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:53,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826538439] [2021-12-21 15:37:53,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:53,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:53,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:53,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:53,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:53,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:53,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:53,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:53,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:53,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:53,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:53,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 15:37:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:53,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 15:37:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:53,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 15:37:53,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 15:37:53,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-21 15:37:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-21 15:37:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 15:37:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-21 15:37:53,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:53,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-21 15:37:53,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-21 15:37:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-21 15:37:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-21 15:37:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-21 15:37:53,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:53,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 15:37:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:53,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 15:37:53,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-21 15:37:53,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-21 15:37:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-21 15:37:53,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-21 15:37:53,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-21 15:37:53,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:53,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-21 15:37:53,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,962 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2021-12-21 15:37:53,962 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:53,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826538439] [2021-12-21 15:37:53,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826538439] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:53,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1599281950] [2021-12-21 15:37:53,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:53,963 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:53,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:53,964 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) [2021-12-21 15:37:53,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-12-21 15:37:54,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 3366 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-21 15:37:54,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:54,813 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2021-12-21 15:37:54,813 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:54,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1599281950] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:54,813 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:54,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2021-12-21 15:37:54,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948184776] [2021-12-21 15:37:54,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:54,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 15:37:54,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:54,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 15:37:54,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-12-21 15:37:54,814 INFO L87 Difference]: Start difference. First operand 450 states and 627 transitions. Second operand has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-21 15:37:54,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:54,907 INFO L93 Difference]: Finished difference Result 868 states and 1253 transitions. [2021-12-21 15:37:54,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 15:37:54,908 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 290 [2021-12-21 15:37:54,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:54,912 INFO L225 Difference]: With dead ends: 868 [2021-12-21 15:37:54,912 INFO L226 Difference]: Without dead ends: 452 [2021-12-21 15:37:54,914 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 375 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-12-21 15:37:54,915 INFO L933 BasicCegarLoop]: 568 mSDtfsCounter, 17 mSDsluCounter, 2805 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 3373 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:54,915 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 3373 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 15:37:54,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2021-12-21 15:37:54,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 450. [2021-12-21 15:37:54,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 261 states have (on average 1.1762452107279693) internal successors, (307), 265 states have internal predecessors, (307), 158 states have call successors, (158), 27 states have call predecessors, (158), 29 states have return successors, (161), 157 states have call predecessors, (161), 157 states have call successors, (161) [2021-12-21 15:37:54,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 626 transitions. [2021-12-21 15:37:54,930 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 626 transitions. Word has length 290 [2021-12-21 15:37:54,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:54,930 INFO L470 AbstractCegarLoop]: Abstraction has 450 states and 626 transitions. [2021-12-21 15:37:54,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-21 15:37:54,930 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 626 transitions. [2021-12-21 15:37:54,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2021-12-21 15:37:54,932 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:54,932 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1] [2021-12-21 15:37:54,955 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-12-21 15:37:55,139 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 [2021-12-21 15:37:55,139 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:55,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:55,140 INFO L85 PathProgramCache]: Analyzing trace with hash 2085225984, now seen corresponding path program 1 times [2021-12-21 15:37:55,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:55,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363017846] [2021-12-21 15:37:55,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:55,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:55,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:55,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 15:37:55,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:55,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 15:37:55,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:55,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:55,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:55,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 15:37:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:55,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-21 15:37:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-21 15:37:55,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-21 15:37:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-21 15:37:55,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:55,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-21 15:37:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-21 15:37:55,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-21 15:37:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-21 15:37:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-21 15:37:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:55,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 15:37:55,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:55,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-21 15:37:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-12-21 15:37:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-21 15:37:55,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-21 15:37:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-21 15:37:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-21 15:37:55,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,509 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2021-12-21 15:37:55,509 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:55,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363017846] [2021-12-21 15:37:55,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363017846] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:55,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1909837353] [2021-12-21 15:37:55,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:55,509 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:55,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:55,510 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) [2021-12-21 15:37:55,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-12-21 15:37:55,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 3374 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-21 15:37:55,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:56,347 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2021-12-21 15:37:56,347 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:56,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1909837353] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:56,347 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:56,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2021-12-21 15:37:56,347 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305057497] [2021-12-21 15:37:56,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:56,348 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 15:37:56,348 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:56,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 15:37:56,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-12-21 15:37:56,349 INFO L87 Difference]: Start difference. First operand 450 states and 626 transitions. Second operand has 7 states, 6 states have (on average 16.666666666666668) internal successors, (100), 7 states have internal predecessors, (100), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-21 15:37:56,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:56,438 INFO L93 Difference]: Finished difference Result 868 states and 1251 transitions. [2021-12-21 15:37:56,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 15:37:56,438 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.666666666666668) internal successors, (100), 7 states have internal predecessors, (100), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 294 [2021-12-21 15:37:56,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:56,442 INFO L225 Difference]: With dead ends: 868 [2021-12-21 15:37:56,442 INFO L226 Difference]: Without dead ends: 452 [2021-12-21 15:37:56,445 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-12-21 15:37:56,446 INFO L933 BasicCegarLoop]: 567 mSDtfsCounter, 19 mSDsluCounter, 2240 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 2807 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:56,446 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 2807 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 15:37:56,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2021-12-21 15:37:56,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 450. [2021-12-21 15:37:56,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 261 states have (on average 1.1724137931034482) internal successors, (306), 265 states have internal predecessors, (306), 158 states have call successors, (158), 27 states have call predecessors, (158), 29 states have return successors, (161), 157 states have call predecessors, (161), 157 states have call successors, (161) [2021-12-21 15:37:56,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 625 transitions. [2021-12-21 15:37:56,459 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 625 transitions. Word has length 294 [2021-12-21 15:37:56,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:56,460 INFO L470 AbstractCegarLoop]: Abstraction has 450 states and 625 transitions. [2021-12-21 15:37:56,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.666666666666668) internal successors, (100), 7 states have internal predecessors, (100), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-21 15:37:56,460 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 625 transitions. [2021-12-21 15:37:56,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-12-21 15:37:56,461 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:56,462 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1] [2021-12-21 15:37:56,490 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-12-21 15:37:56,685 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 [2021-12-21 15:37:56,685 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:56,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:56,685 INFO L85 PathProgramCache]: Analyzing trace with hash 229928448, now seen corresponding path program 2 times [2021-12-21 15:37:56,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:56,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034585949] [2021-12-21 15:37:56,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:56,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:56,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:56,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:56,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:56,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:56,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:56,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:56,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 15:37:56,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:56,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:56,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 15:37:56,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:56,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:37:56,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:56,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:37:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:37:56,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 15:37:56,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-21 15:37:56,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-21 15:37:56,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 15:37:56,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-21 15:37:56,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-21 15:37:56,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-21 15:37:56,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-21 15:37:57,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:57,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:57,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:37:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:57,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:37:57,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:37:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-21 15:37:57,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-21 15:37:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-21 15:37:57,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-12-21 15:37:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-21 15:37:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,084 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 497 trivial. 0 not checked. [2021-12-21 15:37:57,084 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:57,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034585949] [2021-12-21 15:37:57,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034585949] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:57,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [74580091] [2021-12-21 15:37:57,085 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-21 15:37:57,085 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:57,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:57,086 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) [2021-12-21 15:37:57,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-12-21 15:37:58,632 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-21 15:37:58,633 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-21 15:37:58,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 3382 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-21 15:37:58,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:58,971 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2021-12-21 15:37:58,971 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:58,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [74580091] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:58,971 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:58,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 6 [2021-12-21 15:37:58,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254359824] [2021-12-21 15:37:58,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:58,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 15:37:58,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:58,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 15:37:58,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-21 15:37:58,972 INFO L87 Difference]: Start difference. First operand 450 states and 625 transitions. Second operand has 5 states, 5 states have (on average 23.0) internal successors, (115), 5 states have internal predecessors, (115), 3 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-12-21 15:37:59,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:59,060 INFO L93 Difference]: Finished difference Result 842 states and 1195 transitions. [2021-12-21 15:37:59,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 15:37:59,060 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 5 states have internal predecessors, (115), 3 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 298 [2021-12-21 15:37:59,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:59,064 INFO L225 Difference]: With dead ends: 842 [2021-12-21 15:37:59,064 INFO L226 Difference]: Without dead ends: 453 [2021-12-21 15:37:59,065 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 387 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-21 15:37:59,066 INFO L933 BasicCegarLoop]: 557 mSDtfsCounter, 153 mSDsluCounter, 1357 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 1914 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:59,066 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [288 Valid, 1914 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 15:37:59,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2021-12-21 15:37:59,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 453. [2021-12-21 15:37:59,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 263 states have (on average 1.1711026615969582) internal successors, (308), 268 states have internal predecessors, (308), 158 states have call successors, (158), 27 states have call predecessors, (158), 30 states have return successors, (174), 157 states have call predecessors, (174), 157 states have call successors, (174) [2021-12-21 15:37:59,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 640 transitions. [2021-12-21 15:37:59,080 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 640 transitions. Word has length 298 [2021-12-21 15:37:59,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:59,080 INFO L470 AbstractCegarLoop]: Abstraction has 453 states and 640 transitions. [2021-12-21 15:37:59,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 5 states have internal predecessors, (115), 3 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-12-21 15:37:59,080 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 640 transitions. [2021-12-21 15:37:59,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-12-21 15:37:59,082 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:59,082 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1] [2021-12-21 15:37:59,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-12-21 15:37:59,300 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 [2021-12-21 15:37:59,301 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:59,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:59,301 INFO L85 PathProgramCache]: Analyzing trace with hash 283100203, now seen corresponding path program 1 times [2021-12-21 15:37:59,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:59,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13518429] [2021-12-21 15:37:59,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:59,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:59,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:59,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:59,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:59,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:59,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:59,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:59,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:59,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:59,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 15:37:59,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:59,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:59,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 15:37:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:37:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:59,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:37:59,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:37:59,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 15:37:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-21 15:37:59,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-21 15:37:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 15:37:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-21 15:37:59,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-21 15:37:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-21 15:37:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-21 15:37:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:37:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:59,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:37:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:37:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-21 15:37:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-21 15:37:59,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-21 15:37:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-21 15:37:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:59,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-21 15:37:59,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,659 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 497 trivial. 0 not checked. [2021-12-21 15:37:59,659 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:59,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13518429] [2021-12-21 15:37:59,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13518429] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:59,660 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:37:59,685 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 15:37:59,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304185819] [2021-12-21 15:37:59,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:59,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 15:37:59,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:59,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 15:37:59,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-21 15:37:59,686 INFO L87 Difference]: Start difference. First operand 453 states and 640 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 6 states have internal predecessors, (87), 4 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2021-12-21 15:38:00,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:38:00,531 INFO L93 Difference]: Finished difference Result 836 states and 1192 transitions. [2021-12-21 15:38:00,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 15:38:00,531 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 6 states have internal predecessors, (87), 4 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 304 [2021-12-21 15:38:00,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:38:00,534 INFO L225 Difference]: With dead ends: 836 [2021-12-21 15:38:00,534 INFO L226 Difference]: Without dead ends: 453 [2021-12-21 15:38:00,535 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-12-21 15:38:00,535 INFO L933 BasicCegarLoop]: 541 mSDtfsCounter, 397 mSDsluCounter, 1332 mSDsCounter, 0 mSdLazyCounter, 759 mSolverCounterSat, 400 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 1873 SdHoareTripleChecker+Invalid, 1159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 400 IncrementalHoareTripleChecker+Valid, 759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-21 15:38:00,535 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [414 Valid, 1873 Invalid, 1159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [400 Valid, 759 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-21 15:38:00,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2021-12-21 15:38:00,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 453. [2021-12-21 15:38:00,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 263 states have (on average 1.1711026615969582) internal successors, (308), 268 states have internal predecessors, (308), 158 states have call successors, (158), 27 states have call predecessors, (158), 30 states have return successors, (164), 157 states have call predecessors, (164), 157 states have call successors, (164) [2021-12-21 15:38:00,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 630 transitions. [2021-12-21 15:38:00,569 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 630 transitions. Word has length 304 [2021-12-21 15:38:00,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:38:00,569 INFO L470 AbstractCegarLoop]: Abstraction has 453 states and 630 transitions. [2021-12-21 15:38:00,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 6 states have internal predecessors, (87), 4 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2021-12-21 15:38:00,569 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 630 transitions. [2021-12-21 15:38:00,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2021-12-21 15:38:00,571 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:38:00,571 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1] [2021-12-21 15:38:00,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-21 15:38:00,571 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:38:00,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:38:00,571 INFO L85 PathProgramCache]: Analyzing trace with hash 2090771040, now seen corresponding path program 1 times [2021-12-21 15:38:00,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:38:00,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341879471] [2021-12-21 15:38:00,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:00,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:38:01,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:38:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:38:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:38:01,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:38:01,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:38:01,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:38:01,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:38:01,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:01,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 15:38:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:01,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 15:38:01,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:01,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:01,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:01,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:01,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 15:38:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-21 15:38:01,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-21 15:38:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:01,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 15:38:01,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-21 15:38:01,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-21 15:38:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-21 15:38:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-21 15:38:01,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:01,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:01,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:01,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:01,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:01,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-21 15:38:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-21 15:38:01,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-21 15:38:01,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-21 15:38:01,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-21 15:38:01,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,512 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2021-12-21 15:38:01,512 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:38:01,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341879471] [2021-12-21 15:38:01,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341879471] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:38:01,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111051567] [2021-12-21 15:38:01,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:01,513 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:38:01,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:38:01,514 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) [2021-12-21 15:38:01,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-12-21 15:38:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 3416 conjuncts, 47 conjunts are in the unsatisfiable core [2021-12-21 15:38:02,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:38:02,146 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-21 15:38:02,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 15:38:02,621 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2021-12-21 15:38:03,247 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 280 proven. 5 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-12-21 15:38:03,247 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 15:38:04,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111051567] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:38:04,803 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-21 15:38:04,803 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16] total 27 [2021-12-21 15:38:04,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076854967] [2021-12-21 15:38:04,803 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-21 15:38:04,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-12-21 15:38:04,803 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:38:04,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-12-21 15:38:04,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1213, Unknown=1, NotChecked=0, Total=1332 [2021-12-21 15:38:04,804 INFO L87 Difference]: Start difference. First operand 453 states and 630 transitions. Second operand has 27 states, 25 states have (on average 8.24) internal successors, (206), 22 states have internal predecessors, (206), 12 states have call successors, (69), 4 states have call predecessors, (69), 8 states have return successors, (69), 12 states have call predecessors, (69), 12 states have call successors, (69) [2021-12-21 15:38:07,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:38:07,477 INFO L93 Difference]: Finished difference Result 1027 states and 1448 transitions. [2021-12-21 15:38:07,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-12-21 15:38:07,478 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 25 states have (on average 8.24) internal successors, (206), 22 states have internal predecessors, (206), 12 states have call successors, (69), 4 states have call predecessors, (69), 8 states have return successors, (69), 12 states have call predecessors, (69), 12 states have call successors, (69) Word has length 310 [2021-12-21 15:38:07,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:38:07,481 INFO L225 Difference]: With dead ends: 1027 [2021-12-21 15:38:07,481 INFO L226 Difference]: Without dead ends: 602 [2021-12-21 15:38:07,483 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 666 GetRequests, 602 SyntacticMatches, 12 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 791 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=253, Invalid=2608, Unknown=1, NotChecked=0, Total=2862 [2021-12-21 15:38:07,483 INFO L933 BasicCegarLoop]: 564 mSDtfsCounter, 813 mSDsluCounter, 5679 mSDsCounter, 0 mSdLazyCounter, 3584 mSolverCounterSat, 770 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 828 SdHoareTripleChecker+Valid, 6243 SdHoareTripleChecker+Invalid, 6633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 770 IncrementalHoareTripleChecker+Valid, 3584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2279 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-21 15:38:07,483 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [828 Valid, 6243 Invalid, 6633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [770 Valid, 3584 Invalid, 0 Unknown, 2279 Unchecked, 2.2s Time] [2021-12-21 15:38:07,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2021-12-21 15:38:07,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 512. [2021-12-21 15:38:07,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 305 states have (on average 1.157377049180328) internal successors, (353), 311 states have internal predecessors, (353), 166 states have call successors, (166), 36 states have call predecessors, (166), 39 states have return successors, (186), 164 states have call predecessors, (186), 165 states have call successors, (186) [2021-12-21 15:38:07,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 705 transitions. [2021-12-21 15:38:07,507 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 705 transitions. Word has length 310 [2021-12-21 15:38:07,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:38:07,507 INFO L470 AbstractCegarLoop]: Abstraction has 512 states and 705 transitions. [2021-12-21 15:38:07,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 25 states have (on average 8.24) internal successors, (206), 22 states have internal predecessors, (206), 12 states have call successors, (69), 4 states have call predecessors, (69), 8 states have return successors, (69), 12 states have call predecessors, (69), 12 states have call successors, (69) [2021-12-21 15:38:07,507 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 705 transitions. [2021-12-21 15:38:07,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2021-12-21 15:38:07,508 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:38:07,508 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:38:07,532 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2021-12-21 15:38:07,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-12-21 15:38:07,723 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:38:07,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:38:07,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1433169064, now seen corresponding path program 1 times [2021-12-21 15:38:07,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:38:07,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80557257] [2021-12-21 15:38:07,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:07,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:38:07,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:07,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:38:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:07,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:38:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:07,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:07,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:38:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:07,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:38:07,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:07,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:38:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:07,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:38:07,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:07,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:38:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:07,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:07,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:07,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:07,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:07,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 15:38:07,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:07,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:08,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:08,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 15:38:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:08,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:08,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:08,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:08,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:08,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:08,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:08,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:08,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:08,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:08,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:08,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 15:38:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:08,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-21 15:38:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:08,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-21 15:38:08,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:08,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:08,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:08,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 15:38:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:08,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-21 15:38:08,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:08,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-21 15:38:08,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:08,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-21 15:38:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:08,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-21 15:38:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:08,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:08,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:08,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:08,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:08,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:08,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:08,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:08,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:08,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-21 15:38:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:08,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-21 15:38:08,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:08,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-21 15:38:08,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:08,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-21 15:38:08,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:08,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:08,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:08,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-12-21 15:38:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:08,220 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 15 proven. 16 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2021-12-21 15:38:08,220 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:38:08,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80557257] [2021-12-21 15:38:08,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80557257] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:38:08,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [720980644] [2021-12-21 15:38:08,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:08,220 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:38:08,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:38:08,221 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) [2021-12-21 15:38:08,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-12-21 15:38:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:08,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 3428 conjuncts, 47 conjunts are in the unsatisfiable core [2021-12-21 15:38:08,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:38:08,830 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-21 15:38:09,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 15:38:09,238 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2021-12-21 15:38:09,837 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 280 proven. 5 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-12-21 15:38:09,837 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 15:38:11,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [720980644] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:38:11,321 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-21 15:38:11,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16] total 24 [2021-12-21 15:38:11,321 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462772930] [2021-12-21 15:38:11,321 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-21 15:38:11,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-12-21 15:38:11,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:38:11,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-12-21 15:38:11,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=1018, Unknown=1, NotChecked=0, Total=1122 [2021-12-21 15:38:11,323 INFO L87 Difference]: Start difference. First operand 512 states and 705 transitions. Second operand has 24 states, 22 states have (on average 9.636363636363637) internal successors, (212), 19 states have internal predecessors, (212), 9 states have call successors, (69), 4 states have call predecessors, (69), 9 states have return successors, (69), 10 states have call predecessors, (69), 9 states have call successors, (69) [2021-12-21 15:38:12,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:38:12,629 INFO L93 Difference]: Finished difference Result 953 states and 1363 transitions. [2021-12-21 15:38:12,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-12-21 15:38:12,629 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 9.636363636363637) internal successors, (212), 19 states have internal predecessors, (212), 9 states have call successors, (69), 4 states have call predecessors, (69), 9 states have return successors, (69), 10 states have call predecessors, (69), 9 states have call successors, (69) Word has length 314 [2021-12-21 15:38:12,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:38:12,632 INFO L225 Difference]: With dead ends: 953 [2021-12-21 15:38:12,632 INFO L226 Difference]: Without dead ends: 522 [2021-12-21 15:38:12,634 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 663 GetRequests, 607 SyntacticMatches, 12 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 391 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=172, Invalid=1897, Unknown=1, NotChecked=0, Total=2070 [2021-12-21 15:38:12,635 INFO L933 BasicCegarLoop]: 577 mSDtfsCounter, 301 mSDsluCounter, 5157 mSDsCounter, 0 mSdLazyCounter, 1677 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 5734 SdHoareTripleChecker+Invalid, 2476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 1677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 631 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-21 15:38:12,635 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [462 Valid, 5734 Invalid, 2476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 1677 Invalid, 0 Unknown, 631 Unchecked, 1.0s Time] [2021-12-21 15:38:12,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2021-12-21 15:38:12,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 514. [2021-12-21 15:38:12,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 306 states have (on average 1.15359477124183) internal successors, (353), 313 states have internal predecessors, (353), 166 states have call successors, (166), 36 states have call predecessors, (166), 40 states have return successors, (201), 164 states have call predecessors, (201), 165 states have call successors, (201) [2021-12-21 15:38:12,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 720 transitions. [2021-12-21 15:38:12,671 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 720 transitions. Word has length 314 [2021-12-21 15:38:12,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:38:12,671 INFO L470 AbstractCegarLoop]: Abstraction has 514 states and 720 transitions. [2021-12-21 15:38:12,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 9.636363636363637) internal successors, (212), 19 states have internal predecessors, (212), 9 states have call successors, (69), 4 states have call predecessors, (69), 9 states have return successors, (69), 10 states have call predecessors, (69), 9 states have call successors, (69) [2021-12-21 15:38:12,672 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 720 transitions. [2021-12-21 15:38:12,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2021-12-21 15:38:12,674 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:38:12,674 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:38:12,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-12-21 15:38:12,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:38:12,891 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:38:12,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:38:12,892 INFO L85 PathProgramCache]: Analyzing trace with hash -312390771, now seen corresponding path program 1 times [2021-12-21 15:38:12,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:38:12,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764294842] [2021-12-21 15:38:12,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:12,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:38:12,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:12,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:38:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:12,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:38:12,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:12,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:12,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:12,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:38:12,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:38:13,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:38:13,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:38:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:38:13,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:13,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 15:38:13,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:13,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:13,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 15:38:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:13,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:13,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:13,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:13,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:13,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 15:38:13,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-21 15:38:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-21 15:38:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 15:38:13,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-21 15:38:13,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-21 15:38:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-21 15:38:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-21 15:38:13,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:13,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:13,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:13,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:13,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-21 15:38:13,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-21 15:38:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-21 15:38:13,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-21 15:38:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-21 15:38:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,211 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 503 trivial. 0 not checked. [2021-12-21 15:38:13,211 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:38:13,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764294842] [2021-12-21 15:38:13,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764294842] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:38:13,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1175307677] [2021-12-21 15:38:13,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:13,212 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:38:13,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:38:13,213 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) [2021-12-21 15:38:13,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-12-21 15:38:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:13,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 3423 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-21 15:38:13,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:38:14,124 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 290 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2021-12-21 15:38:14,124 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:38:14,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1175307677] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:38:14,125 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:38:14,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2021-12-21 15:38:14,125 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796205295] [2021-12-21 15:38:14,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:38:14,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 15:38:14,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:38:14,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 15:38:14,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 15:38:14,126 INFO L87 Difference]: Start difference. First operand 514 states and 720 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2021-12-21 15:38:14,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:38:14,157 INFO L93 Difference]: Finished difference Result 923 states and 1347 transitions. [2021-12-21 15:38:14,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 15:38:14,158 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 316 [2021-12-21 15:38:14,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:38:14,162 INFO L225 Difference]: With dead ends: 923 [2021-12-21 15:38:14,163 INFO L226 Difference]: Without dead ends: 519 [2021-12-21 15:38:14,164 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 407 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 15:38:14,166 INFO L933 BasicCegarLoop]: 577 mSDtfsCounter, 9 mSDsluCounter, 1145 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1722 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 15:38:14,166 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 1722 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 15:38:14,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2021-12-21 15:38:14,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 516. [2021-12-21 15:38:14,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 308 states have (on average 1.1525974025974026) internal successors, (355), 315 states have internal predecessors, (355), 166 states have call successors, (166), 36 states have call predecessors, (166), 40 states have return successors, (201), 164 states have call predecessors, (201), 165 states have call successors, (201) [2021-12-21 15:38:14,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 722 transitions. [2021-12-21 15:38:14,227 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 722 transitions. Word has length 316 [2021-12-21 15:38:14,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:38:14,227 INFO L470 AbstractCegarLoop]: Abstraction has 516 states and 722 transitions. [2021-12-21 15:38:14,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2021-12-21 15:38:14,228 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 722 transitions. [2021-12-21 15:38:14,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2021-12-21 15:38:14,229 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:38:14,229 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:38:14,250 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-12-21 15:38:14,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:38:14,443 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:38:14,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:38:14,444 INFO L85 PathProgramCache]: Analyzing trace with hash -723001137, now seen corresponding path program 1 times [2021-12-21 15:38:14,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:38:14,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858329920] [2021-12-21 15:38:14,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:14,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:38:14,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:38:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:38:14,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:14,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:38:14,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:38:14,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:38:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:38:14,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:38:14,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 15:38:14,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:14,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 15:38:14,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:14,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:14,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:14,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:14,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 15:38:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-21 15:38:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-21 15:38:14,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:14,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 15:38:14,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-21 15:38:14,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-21 15:38:14,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-21 15:38:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-21 15:38:14,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:14,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:14,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:14,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-21 15:38:14,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-21 15:38:14,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-21 15:38:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-21 15:38:14,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-21 15:38:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,956 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2021-12-21 15:38:14,956 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:38:14,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858329920] [2021-12-21 15:38:14,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858329920] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:38:14,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239450915] [2021-12-21 15:38:14,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:14,957 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:38:14,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:38:14,958 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) [2021-12-21 15:38:14,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-12-21 15:38:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:15,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 3428 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-21 15:38:15,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:38:15,950 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 290 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2021-12-21 15:38:15,950 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:38:15,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1239450915] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:38:15,950 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:38:15,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2021-12-21 15:38:15,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984871129] [2021-12-21 15:38:15,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:38:15,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 15:38:15,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:38:15,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 15:38:15,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-21 15:38:15,952 INFO L87 Difference]: Start difference. First operand 516 states and 722 transitions. Second operand has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2021-12-21 15:38:16,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:38:16,166 INFO L93 Difference]: Finished difference Result 936 states and 1390 transitions. [2021-12-21 15:38:16,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 15:38:16,166 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 316 [2021-12-21 15:38:16,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:38:16,169 INFO L225 Difference]: With dead ends: 936 [2021-12-21 15:38:16,169 INFO L226 Difference]: Without dead ends: 530 [2021-12-21 15:38:16,171 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 404 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-12-21 15:38:16,171 INFO L933 BasicCegarLoop]: 585 mSDtfsCounter, 23 mSDsluCounter, 1627 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 2212 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 49 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-21 15:38:16,172 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 2212 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 49 Unchecked, 0.2s Time] [2021-12-21 15:38:16,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2021-12-21 15:38:16,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 521. [2021-12-21 15:38:16,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 313 states have (on average 1.156549520766773) internal successors, (362), 320 states have internal predecessors, (362), 166 states have call successors, (166), 36 states have call predecessors, (166), 40 states have return successors, (201), 164 states have call predecessors, (201), 165 states have call successors, (201) [2021-12-21 15:38:16,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 729 transitions. [2021-12-21 15:38:16,222 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 729 transitions. Word has length 316 [2021-12-21 15:38:16,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:38:16,222 INFO L470 AbstractCegarLoop]: Abstraction has 521 states and 729 transitions. [2021-12-21 15:38:16,222 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2021-12-21 15:38:16,222 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 729 transitions. [2021-12-21 15:38:16,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2021-12-21 15:38:16,226 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:38:16,227 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:38:16,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-12-21 15:38:16,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:38:16,440 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:38:16,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:38:16,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1173978321, now seen corresponding path program 1 times [2021-12-21 15:38:16,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:38:16,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488762930] [2021-12-21 15:38:16,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:16,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:38:16,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:38:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:38:16,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:38:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:38:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:38:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:38:16,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:38:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 15:38:16,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 15:38:16,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:16,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 15:38:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-21 15:38:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-21 15:38:16,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 15:38:16,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-21 15:38:16,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-21 15:38:16,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-21 15:38:16,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-21 15:38:16,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:16,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:16,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-21 15:38:16,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-21 15:38:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-21 15:38:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-21 15:38:16,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-21 15:38:16,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,711 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2021-12-21 15:38:16,711 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:38:16,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488762930] [2021-12-21 15:38:16,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488762930] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:38:16,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [789887349] [2021-12-21 15:38:16,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:16,712 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:38:16,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:38:16,713 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) [2021-12-21 15:38:16,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-12-21 15:38:17,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:17,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 3425 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-21 15:38:17,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:38:17,550 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2021-12-21 15:38:17,550 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:38:17,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [789887349] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:38:17,550 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:38:17,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2021-12-21 15:38:17,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810207455] [2021-12-21 15:38:17,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:38:17,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 15:38:17,551 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:38:17,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 15:38:17,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 15:38:17,552 INFO L87 Difference]: Start difference. First operand 521 states and 729 transitions. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2021-12-21 15:38:17,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:38:17,588 INFO L93 Difference]: Finished difference Result 949 states and 1406 transitions. [2021-12-21 15:38:17,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 15:38:17,588 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 316 [2021-12-21 15:38:17,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:38:17,591 INFO L225 Difference]: With dead ends: 949 [2021-12-21 15:38:17,591 INFO L226 Difference]: Without dead ends: 538 [2021-12-21 15:38:17,593 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 407 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 15:38:17,593 INFO L933 BasicCegarLoop]: 594 mSDtfsCounter, 28 mSDsluCounter, 1143 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 1737 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 15:38:17,593 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 1737 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 15:38:17,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2021-12-21 15:38:17,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 521. [2021-12-21 15:38:17,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 313 states have (on average 1.1533546325878594) internal successors, (361), 320 states have internal predecessors, (361), 166 states have call successors, (166), 36 states have call predecessors, (166), 40 states have return successors, (201), 164 states have call predecessors, (201), 165 states have call successors, (201) [2021-12-21 15:38:17,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 728 transitions. [2021-12-21 15:38:17,616 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 728 transitions. Word has length 316 [2021-12-21 15:38:17,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:38:17,617 INFO L470 AbstractCegarLoop]: Abstraction has 521 states and 728 transitions. [2021-12-21 15:38:17,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2021-12-21 15:38:17,617 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 728 transitions. [2021-12-21 15:38:17,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2021-12-21 15:38:17,618 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:38:17,619 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:38:17,640 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-12-21 15:38:17,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:38:17,826 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:38:17,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:38:17,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1600532819, now seen corresponding path program 1 times [2021-12-21 15:38:17,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:38:17,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586892071] [2021-12-21 15:38:17,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:17,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:38:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:38:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:38:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:38:18,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:38:18,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:38:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:38:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:38:18,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:18,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:18,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 15:38:18,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:18,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:18,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 15:38:18,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:18,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:18,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:18,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:18,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:18,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 15:38:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-21 15:38:18,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-21 15:38:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:18,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 15:38:18,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-21 15:38:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-21 15:38:18,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-21 15:38:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-21 15:38:18,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:18,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:18,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:18,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:18,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:18,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-21 15:38:18,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-21 15:38:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-21 15:38:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-21 15:38:18,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:18,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-21 15:38:18,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:18,907 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2021-12-21 15:38:18,907 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:38:18,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586892071] [2021-12-21 15:38:18,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586892071] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:38:18,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547932277] [2021-12-21 15:38:18,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:18,908 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:38:18,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:38:18,909 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:38:18,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-12-21 15:38:19,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:19,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 3420 conjuncts, 53 conjunts are in the unsatisfiable core [2021-12-21 15:38:19,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:38:19,469 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-21 15:38:19,885 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2021-12-21 15:38:20,593 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2021-12-21 15:38:20,594 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:38:20,594 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1547932277] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:38:20,594 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:38:20,594 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [21] total 32 [2021-12-21 15:38:20,594 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220431544] [2021-12-21 15:38:20,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:38:20,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-12-21 15:38:20,595 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:38:20,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-21 15:38:20,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=906, Unknown=0, NotChecked=0, Total=992 [2021-12-21 15:38:20,596 INFO L87 Difference]: Start difference. First operand 521 states and 728 transitions. Second operand has 17 states, 17 states have (on average 8.235294117647058) internal successors, (140), 14 states have internal predecessors, (140), 8 states have call successors, (39), 3 states have call predecessors, (39), 8 states have return successors, (39), 11 states have call predecessors, (39), 8 states have call successors, (39) [2021-12-21 15:38:21,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:38:21,003 INFO L93 Difference]: Finished difference Result 977 states and 1389 transitions. [2021-12-21 15:38:21,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-21 15:38:21,003 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 8.235294117647058) internal successors, (140), 14 states have internal predecessors, (140), 8 states have call successors, (39), 3 states have call predecessors, (39), 8 states have return successors, (39), 11 states have call predecessors, (39), 8 states have call successors, (39) Word has length 316 [2021-12-21 15:38:21,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:38:21,006 INFO L225 Difference]: With dead ends: 977 [2021-12-21 15:38:21,006 INFO L226 Difference]: Without dead ends: 528 [2021-12-21 15:38:21,008 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 380 SyntacticMatches, 13 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=86, Invalid=906, Unknown=0, NotChecked=0, Total=992 [2021-12-21 15:38:21,008 INFO L933 BasicCegarLoop]: 570 mSDtfsCounter, 167 mSDsluCounter, 5159 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 5729 SdHoareTripleChecker+Invalid, 931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 569 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-21 15:38:21,008 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [295 Valid, 5729 Invalid, 931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 349 Invalid, 0 Unknown, 569 Unchecked, 0.4s Time] [2021-12-21 15:38:21,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2021-12-21 15:38:21,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2021-12-21 15:38:21,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 318 states have (on average 1.1540880503144655) internal successors, (367), 325 states have internal predecessors, (367), 167 states have call successors, (167), 37 states have call predecessors, (167), 41 states have return successors, (203), 165 states have call predecessors, (203), 166 states have call successors, (203) [2021-12-21 15:38:21,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 737 transitions. [2021-12-21 15:38:21,051 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 737 transitions. Word has length 316 [2021-12-21 15:38:21,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:38:21,051 INFO L470 AbstractCegarLoop]: Abstraction has 528 states and 737 transitions. [2021-12-21 15:38:21,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 8.235294117647058) internal successors, (140), 14 states have internal predecessors, (140), 8 states have call successors, (39), 3 states have call predecessors, (39), 8 states have return successors, (39), 11 states have call predecessors, (39), 8 states have call successors, (39) [2021-12-21 15:38:21,052 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 737 transitions. [2021-12-21 15:38:21,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2021-12-21 15:38:21,055 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:38:21,055 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:38:21,080 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2021-12-21 15:38:21,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-12-21 15:38:21,270 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:38:21,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:38:21,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1791513899, now seen corresponding path program 1 times [2021-12-21 15:38:21,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:38:21,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637443278] [2021-12-21 15:38:21,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:21,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:38:21,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:38:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:38:21,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:38:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:38:21,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:38:21,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:38:21,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:38:21,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:21,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 15:38:21,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:21,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:21,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 15:38:21,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:21,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:21,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:21,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:21,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:21,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 15:38:21,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-21 15:38:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-21 15:38:21,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 15:38:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-21 15:38:21,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-21 15:38:21,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-21 15:38:21,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-21 15:38:21,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:21,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-21 15:38:21,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-21 15:38:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-21 15:38:21,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-21 15:38:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-21 15:38:21,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,685 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 3 proven. 20 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2021-12-21 15:38:21,685 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:38:21,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637443278] [2021-12-21 15:38:21,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637443278] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:38:21,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810134396] [2021-12-21 15:38:21,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:21,686 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:38:21,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:38:21,700 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:38:21,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-12-21 15:38:22,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:22,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 3415 conjuncts, 31 conjunts are in the unsatisfiable core [2021-12-21 15:38:22,219 INFO L286 TraceCheckSpWp]: Computing forward predicates...