./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 c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_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-tmp.no-commuhash-c3fed41 [2021-12-16 03:23:05,949 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 03:23:05,951 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 03:23:05,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 03:23:05,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 03:23:05,988 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 03:23:05,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 03:23:05,991 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 03:23:05,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 03:23:05,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 03:23:05,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 03:23:05,999 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 03:23:06,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 03:23:06,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 03:23:06,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 03:23:06,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 03:23:06,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 03:23:06,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 03:23:06,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 03:23:06,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 03:23:06,020 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 03:23:06,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 03:23:06,022 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 03:23:06,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 03:23:06,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 03:23:06,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 03:23:06,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 03:23:06,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 03:23:06,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 03:23:06,027 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 03:23:06,027 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 03:23:06,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 03:23:06,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 03:23:06,029 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 03:23:06,030 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 03:23:06,030 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 03:23:06,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 03:23:06,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 03:23:06,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 03:23:06,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 03:23:06,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 03:23:06,034 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 03:23:06,053 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 03:23:06,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 03:23:06,064 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 03:23:06,064 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 03:23:06,065 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 03:23:06,066 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 03:23:06,067 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 03:23:06,067 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 03:23:06,067 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 03:23:06,067 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 03:23:06,068 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 03:23:06,068 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 03:23:06,068 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 03:23:06,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 03:23:06,069 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 03:23:06,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 03:23:06,069 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 03:23:06,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 03:23:06,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 03:23:06,070 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 03:23:06,070 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 03:23:06,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 03:23:06,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 03:23:06,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 03:23:06,071 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 03:23:06,071 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 03:23:06,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 03:23:06,072 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 03:23:06,072 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 03:23:06,073 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 03:23:06,073 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 03:23:06,073 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a99219981ed729bbe98ee164646a9fab36b2f68695363dc5b6e7677163d6c74b [2021-12-16 03:23:06,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 03:23:06,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 03:23:06,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 03:23:06,309 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 03:23:06,309 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 03:23:06,310 INFO L432 ainManager$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 [2021-12-16 03:23:06,370 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71df95654/526f46d66b4b463c9788246f0c642933/FLAG971aa9732 [2021-12-16 03:23:07,094 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 03:23:07,094 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i [2021-12-16 03:23:07,133 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71df95654/526f46d66b4b463c9788246f0c642933/FLAG971aa9732 [2021-12-16 03:23:07,382 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71df95654/526f46d66b4b463c9788246f0c642933 [2021-12-16 03:23:07,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 03:23:07,386 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 03:23:07,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 03:23:07,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 03:23:07,392 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 03:23:07,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:23:07" (1/1) ... [2021-12-16 03:23:07,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@235d7675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:23:07, skipping insertion in model container [2021-12-16 03:23:07,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:23:07" (1/1) ... [2021-12-16 03:23:07,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 03:23:07,493 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 03:23:07,729 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] [2021-12-16 03:23:07,735 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] [2021-12-16 03:23:08,374 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:08,375 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:08,376 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:08,379 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:08,379 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:08,390 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:08,390 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:08,392 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:08,392 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:08,673 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-16 03:23:08,674 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-16 03:23:08,675 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-16 03:23:08,676 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-16 03:23:08,677 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-16 03:23:08,678 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-16 03:23:08,678 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-16 03:23:08,679 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-16 03:23:08,680 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-16 03:23:08,680 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-16 03:23:08,778 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-16 03:23:08,883 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:08,884 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:08,970 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 03:23:09,005 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 03:23:09,018 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] [2021-12-16 03:23:09,018 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] [2021-12-16 03:23:09,056 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:09,057 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:09,057 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:09,057 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:09,058 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:09,070 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:09,072 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:09,073 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:09,073 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:09,111 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-16 03:23:09,112 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-16 03:23:09,113 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-16 03:23:09,114 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-16 03:23:09,120 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-16 03:23:09,121 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-16 03:23:09,121 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-16 03:23:09,121 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-16 03:23:09,122 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-16 03:23:09,122 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-16 03:23:09,145 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-16 03:23:09,249 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:09,250 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-16 03:23:09,295 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 03:23:09,447 INFO L208 MainTranslator]: Completed translation [2021-12-16 03:23:09,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:23:09 WrapperNode [2021-12-16 03:23:09,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 03:23:09,449 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 03:23:09,449 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 03:23:09,450 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 03:23:09,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:23:09" (1/1) ... [2021-12-16 03:23:09,563 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:23:09" (1/1) ... [2021-12-16 03:23:09,652 INFO L137 Inliner]: procedures = 695, calls = 2923, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 1203 [2021-12-16 03:23:09,653 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 03:23:09,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 03:23:09,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 03:23:09,654 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 03:23:09,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:23:09" (1/1) ... [2021-12-16 03:23:09,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:23:09" (1/1) ... [2021-12-16 03:23:09,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:23:09" (1/1) ... [2021-12-16 03:23:09,694 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:23:09" (1/1) ... [2021-12-16 03:23:09,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:23:09" (1/1) ... [2021-12-16 03:23:09,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:23:09" (1/1) ... [2021-12-16 03:23:09,748 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:23:09" (1/1) ... [2021-12-16 03:23:09,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 03:23:09,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 03:23:09,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 03:23:09,761 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 03:23:09,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:23:09" (1/1) ... [2021-12-16 03:23:09,768 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 03:23:09,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:23:09,788 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-16 03:23:09,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-16 03:23:09,832 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2021-12-16 03:23:09,833 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2021-12-16 03:23:09,833 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_store_n [2021-12-16 03:23:09,834 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2021-12-16 03:23:09,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 03:23:09,834 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-16 03:23:09,834 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-16 03:23:09,834 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2021-12-16 03:23:09,835 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2021-12-16 03:23:09,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 03:23:09,835 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-16 03:23:09,836 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-16 03:23:09,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-16 03:23:09,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-16 03:23:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 03:23:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 03:23:09,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 03:23:09,838 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2021-12-16 03:23:09,838 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2021-12-16 03:23:09,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 03:23:09,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 03:23:09,838 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-16 03:23:09,838 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-16 03:23:09,839 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2021-12-16 03:23:09,839 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2021-12-16 03:23:09,839 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-16 03:23:09,839 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-16 03:23:09,839 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2021-12-16 03:23:09,840 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2021-12-16 03:23:09,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 03:23:09,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 03:23:09,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 03:23:09,841 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2021-12-16 03:23:09,841 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2021-12-16 03:23:09,841 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2021-12-16 03:23:09,841 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2021-12-16 03:23:09,842 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-16 03:23:09,842 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-16 03:23:09,842 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2021-12-16 03:23:09,842 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2021-12-16 03:23:09,842 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2021-12-16 03:23:09,842 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2021-12-16 03:23:09,842 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-16 03:23:09,842 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-16 03:23:09,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 03:23:09,843 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2021-12-16 03:23:09,843 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2021-12-16 03:23:09,843 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2021-12-16 03:23:09,843 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2021-12-16 03:23:09,843 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2021-12-16 03:23:09,844 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2021-12-16 03:23:09,844 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2021-12-16 03:23:09,844 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2021-12-16 03:23:09,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 03:23:10,162 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 03:23:10,164 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 03:23:11,119 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 03:23:11,138 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 03:23:11,138 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-16 03:23:11,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:23:11 BoogieIcfgContainer [2021-12-16 03:23:11,141 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 03:23:11,142 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 03:23:11,143 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 03:23:11,145 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 03:23:11,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 03:23:07" (1/3) ... [2021-12-16 03:23:11,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43d3bacb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:23:11, skipping insertion in model container [2021-12-16 03:23:11,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:23:09" (2/3) ... [2021-12-16 03:23:11,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43d3bacb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:23:11, skipping insertion in model container [2021-12-16 03:23:11,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:23:11" (3/3) ... [2021-12-16 03:23:11,148 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_up_to_harness.i [2021-12-16 03:23:11,153 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 03:23:11,154 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-16 03:23:11,198 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 03:23:11,203 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-16 03:23:11,204 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-16 03:23:11,230 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) [2021-12-16 03:23:11,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-16 03:23:11,235 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:11,235 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:23:11,236 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:11,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:11,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1080850555, now seen corresponding path program 1 times [2021-12-16 03:23:11,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:11,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013897626] [2021-12-16 03:23:11,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:11,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:11,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:11,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:23:11,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:23:11,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:11,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:11,870 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-16 03:23:11,871 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:11,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013897626] [2021-12-16 03:23:11,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013897626] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:23:11,872 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:23:11,872 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 03:23:11,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960411874] [2021-12-16 03:23:11,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:23:11,878 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 03:23:11,878 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:11,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 03:23:11,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 03:23:11,912 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) [2021-12-16 03:23:12,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:12,572 INFO L93 Difference]: Finished difference Result 812 states and 1289 transitions. [2021-12-16 03:23:12,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 03:23:12,575 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 52 [2021-12-16 03:23:12,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:12,593 INFO L225 Difference]: With dead ends: 812 [2021-12-16 03:23:12,594 INFO L226 Difference]: Without dead ends: 403 [2021-12-16 03:23:12,602 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 03:23:12,605 INFO L933 BasicCegarLoop]: 567 mSDtfsCounter, 118 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2021-12-16 03:23:12,606 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 727 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-16 03:23:12,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2021-12-16 03:23:12,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2021-12-16 03:23:12,665 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) [2021-12-16 03:23:12,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 580 transitions. [2021-12-16 03:23:12,669 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 580 transitions. Word has length 52 [2021-12-16 03:23:12,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:12,671 INFO L470 AbstractCegarLoop]: Abstraction has 403 states and 580 transitions. [2021-12-16 03:23:12,671 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-16 03:23:12,671 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 580 transitions. [2021-12-16 03:23:12,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-16 03:23:12,673 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:12,673 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:23:12,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 03:23:12,674 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:12,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:12,674 INFO L85 PathProgramCache]: Analyzing trace with hash 135004093, now seen corresponding path program 1 times [2021-12-16 03:23:12,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:12,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015426021] [2021-12-16 03:23:12,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:12,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:12,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:23:12,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:12,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:23:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:12,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:12,994 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-16 03:23:12,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:12,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015426021] [2021-12-16 03:23:12,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015426021] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:23:12,995 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:23:12,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-16 03:23:12,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692980245] [2021-12-16 03:23:12,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:23:12,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-16 03:23:12,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:12,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-16 03:23:12,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-16 03:23:12,998 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) [2021-12-16 03:23:13,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:13,941 INFO L93 Difference]: Finished difference Result 801 states and 1203 transitions. [2021-12-16 03:23:13,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 03:23:13,942 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.857142857142857) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 52 [2021-12-16 03:23:13,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:13,945 INFO L225 Difference]: With dead ends: 801 [2021-12-16 03:23:13,946 INFO L226 Difference]: Without dead ends: 415 [2021-12-16 03:23:13,948 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-12-16 03:23:13,949 INFO L933 BasicCegarLoop]: 552 mSDtfsCounter, 158 mSDsluCounter, 2377 mSDsCounter, 0 mSdLazyCounter, 825 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.8s IncrementalHoareTripleChecker+Time [2021-12-16 03:23:13,950 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [174 Valid, 2929 Invalid, 993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 825 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-16 03:23:13,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2021-12-16 03:23:13,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 415. [2021-12-16 03:23:13,974 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) [2021-12-16 03:23:13,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 594 transitions. [2021-12-16 03:23:13,978 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 594 transitions. Word has length 52 [2021-12-16 03:23:13,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:13,978 INFO L470 AbstractCegarLoop]: Abstraction has 415 states and 594 transitions. [2021-12-16 03:23:13,978 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.857142857142857) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-12-16 03:23:13,979 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 594 transitions. [2021-12-16 03:23:13,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-12-16 03:23:13,981 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:13,981 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:23:13,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 03:23:13,981 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:13,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:13,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1441797306, now seen corresponding path program 1 times [2021-12-16 03:23:13,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:13,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833446270] [2021-12-16 03:23:13,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:13,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:23:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:14,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:14,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:23:14,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:14,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:23:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:14,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-16 03:23:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,401 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-16 03:23:14,401 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:14,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833446270] [2021-12-16 03:23:14,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833446270] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:14,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895849541] [2021-12-16 03:23:14,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:14,402 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:14,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:23:14,407 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 03:23:14,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-16 03:23:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:14,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 2575 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-16 03:23:14,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:23:15,166 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-12-16 03:23:15,167 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:23:15,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1895849541] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:23:15,167 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 03:23:15,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2021-12-16 03:23:15,168 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733763212] [2021-12-16 03:23:15,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:23:15,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 03:23:15,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:15,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 03:23:15,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-12-16 03:23:15,175 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) [2021-12-16 03:23:15,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:15,255 INFO L93 Difference]: Finished difference Result 431 states and 613 transitions. [2021-12-16 03:23:15,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 03:23:15,256 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 85 [2021-12-16 03:23:15,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:15,259 INFO L225 Difference]: With dead ends: 431 [2021-12-16 03:23:15,259 INFO L226 Difference]: Without dead ends: 428 [2021-12-16 03:23:15,260 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-12-16 03:23:15,263 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 [2021-12-16 03:23:15,264 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] [2021-12-16 03:23:15,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2021-12-16 03:23:15,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 428. [2021-12-16 03:23:15,290 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) [2021-12-16 03:23:15,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 610 transitions. [2021-12-16 03:23:15,295 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 610 transitions. Word has length 85 [2021-12-16 03:23:15,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:15,296 INFO L470 AbstractCegarLoop]: Abstraction has 428 states and 610 transitions. [2021-12-16 03:23:15,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-12-16 03:23:15,297 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 610 transitions. [2021-12-16 03:23:15,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-12-16 03:23:15,311 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:15,312 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] [2021-12-16 03:23:15,340 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-16 03:23:15,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:15,531 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:15,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:15,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1782702804, now seen corresponding path program 1 times [2021-12-16 03:23:15,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:15,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635071374] [2021-12-16 03:23:15,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:15,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:15,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:15,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:15,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:23:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:15,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:15,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:15,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:15,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:15,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:15,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:23:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:15,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:15,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:15,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:23:15,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:15,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:15,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:15,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-16 03:23:15,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:15,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:15,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:15,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:15,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-16 03:23:15,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:15,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:15,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:15,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:15,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:15,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 03:23:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:15,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:15,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:15,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:15,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:15,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:15,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:15,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-16 03:23:15,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:15,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-16 03:23:15,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:15,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-16 03:23:15,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:15,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:15,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-16 03:23:15,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:15,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-16 03:23:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:15,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-16 03:23:15,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:15,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 03:23:15,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:15,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-16 03:23:15,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:16,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:16,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:16,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 03:23:16,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:16,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:16,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-16 03:23:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-16 03:23:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-16 03:23:16,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,111 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-12-16 03:23:16,111 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:16,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635071374] [2021-12-16 03:23:16,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635071374] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:16,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111261915] [2021-12-16 03:23:16,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:16,112 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:16,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:23:16,116 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 03:23:16,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-16 03:23:16,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:16,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 3258 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-16 03:23:16,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:23:17,093 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2021-12-16 03:23:17,094 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:23:17,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1111261915] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:23:17,094 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 03:23:17,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2021-12-16 03:23:17,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733328403] [2021-12-16 03:23:17,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:23:17,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 03:23:17,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:17,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 03:23:17,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 03:23:17,097 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) [2021-12-16 03:23:17,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:17,136 INFO L93 Difference]: Finished difference Result 821 states and 1189 transitions. [2021-12-16 03:23:17,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 03:23:17,137 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 [2021-12-16 03:23:17,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:17,142 INFO L225 Difference]: With dead ends: 821 [2021-12-16 03:23:17,142 INFO L226 Difference]: Without dead ends: 432 [2021-12-16 03:23:17,144 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 344 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 03:23:17,149 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 [2021-12-16 03:23:17,150 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] [2021-12-16 03:23:17,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2021-12-16 03:23:17,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 430. [2021-12-16 03:23:17,166 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) [2021-12-16 03:23:17,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 612 transitions. [2021-12-16 03:23:17,171 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 612 transitions. Word has length 259 [2021-12-16 03:23:17,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:17,172 INFO L470 AbstractCegarLoop]: Abstraction has 430 states and 612 transitions. [2021-12-16 03:23:17,172 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) [2021-12-16 03:23:17,172 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 612 transitions. [2021-12-16 03:23:17,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-12-16 03:23:17,174 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:17,174 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] [2021-12-16 03:23:17,203 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-16 03:23:17,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-12-16 03:23:17,400 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:17,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:17,400 INFO L85 PathProgramCache]: Analyzing trace with hash -391632620, now seen corresponding path program 1 times [2021-12-16 03:23:17,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:17,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633007597] [2021-12-16 03:23:17,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:17,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:17,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:17,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:23:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:17,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:17,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:17,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:23:17,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:23:17,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:17,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-16 03:23:17,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:17,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-16 03:23:17,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:17,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 03:23:17,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:17,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-16 03:23:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-16 03:23:17,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-16 03:23:17,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:17,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-16 03:23:17,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-16 03:23:17,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-16 03:23:17,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 03:23:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-16 03:23:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:17,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:17,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 03:23:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:17,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:17,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-16 03:23:17,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-16 03:23:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-16 03:23:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:17,928 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2021-12-16 03:23:17,928 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:17,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633007597] [2021-12-16 03:23:17,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633007597] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:17,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372538311] [2021-12-16 03:23:17,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:17,930 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:17,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:23:17,931 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 03:23:17,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-16 03:23:18,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:18,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 3248 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-16 03:23:18,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:23:18,901 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2021-12-16 03:23:18,901 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:23:18,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1372538311] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:23:18,902 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 03:23:18,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2021-12-16 03:23:18,902 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643936828] [2021-12-16 03:23:18,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:23:18,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 03:23:18,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:18,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 03:23:18,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-12-16 03:23:18,909 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) [2021-12-16 03:23:18,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:18,984 INFO L93 Difference]: Finished difference Result 788 states and 1126 transitions. [2021-12-16 03:23:18,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 03:23:18,985 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 [2021-12-16 03:23:18,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:18,988 INFO L225 Difference]: With dead ends: 788 [2021-12-16 03:23:18,988 INFO L226 Difference]: Without dead ends: 440 [2021-12-16 03:23:18,990 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 338 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-12-16 03:23:18,991 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 [2021-12-16 03:23:18,991 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] [2021-12-16 03:23:18,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2021-12-16 03:23:19,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 440. [2021-12-16 03:23:19,005 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) [2021-12-16 03:23:19,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 622 transitions. [2021-12-16 03:23:19,009 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 622 transitions. Word has length 259 [2021-12-16 03:23:19,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:19,009 INFO L470 AbstractCegarLoop]: Abstraction has 440 states and 622 transitions. [2021-12-16 03:23:19,010 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) [2021-12-16 03:23:19,010 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 622 transitions. [2021-12-16 03:23:19,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-12-16 03:23:19,013 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:19,013 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] [2021-12-16 03:23:19,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-16 03:23:19,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:19,240 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:19,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:19,240 INFO L85 PathProgramCache]: Analyzing trace with hash 338403982, now seen corresponding path program 1 times [2021-12-16 03:23:19,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:19,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128383268] [2021-12-16 03:23:19,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:19,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:19,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:23:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:19,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:19,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:19,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:23:19,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:23:19,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:19,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:19,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-16 03:23:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:19,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-16 03:23:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:19,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 03:23:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:19,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:19,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:19,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:19,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-16 03:23:19,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-16 03:23:19,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-16 03:23:19,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:19,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-16 03:23:19,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-16 03:23:19,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-16 03:23:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 03:23:19,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-16 03:23:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:19,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:19,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 03:23:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:19,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:19,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-16 03:23:19,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-16 03:23:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-16 03:23:19,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-16 03:23:19,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-16 03:23:19,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:19,764 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2021-12-16 03:23:19,765 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:19,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128383268] [2021-12-16 03:23:19,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128383268] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:19,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264862846] [2021-12-16 03:23:19,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:19,766 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:19,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:23:19,768 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 03:23:19,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-16 03:23:20,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:20,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 3300 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-16 03:23:20,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:23:20,846 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2021-12-16 03:23:20,847 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:23:20,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264862846] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:23:20,847 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 03:23:20,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2021-12-16 03:23:20,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046340075] [2021-12-16 03:23:20,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:23:20,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 03:23:20,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:20,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 03:23:20,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-12-16 03:23:20,849 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) [2021-12-16 03:23:21,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:21,599 INFO L93 Difference]: Finished difference Result 844 states and 1210 transitions. [2021-12-16 03:23:21,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 03:23:21,599 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 [2021-12-16 03:23:21,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:21,604 INFO L225 Difference]: With dead ends: 844 [2021-12-16 03:23:21,604 INFO L226 Difference]: Without dead ends: 443 [2021-12-16 03:23:21,606 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 353 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2021-12-16 03:23:21,607 INFO L933 BasicCegarLoop]: 423 mSDtfsCounter, 588 mSDsluCounter, 1494 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.7s IncrementalHoareTripleChecker+Time [2021-12-16 03:23:21,610 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [588 Valid, 1917 Invalid, 970 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [306 Valid, 664 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-16 03:23:21,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2021-12-16 03:23:21,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443. [2021-12-16 03:23:21,628 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) [2021-12-16 03:23:21,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 636 transitions. [2021-12-16 03:23:21,635 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 636 transitions. Word has length 269 [2021-12-16 03:23:21,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:21,635 INFO L470 AbstractCegarLoop]: Abstraction has 443 states and 636 transitions. [2021-12-16 03:23:21,635 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) [2021-12-16 03:23:21,636 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 636 transitions. [2021-12-16 03:23:21,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-12-16 03:23:21,638 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:21,639 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] [2021-12-16 03:23:21,669 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-16 03:23:21,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:21,855 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:21,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:21,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1357424935, now seen corresponding path program 1 times [2021-12-16 03:23:21,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:21,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794240692] [2021-12-16 03:23:21,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:21,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:21,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:23:22,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:23:22,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:22,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:23:22,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:22,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:22,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-16 03:23:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:22,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:22,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-16 03:23:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:22,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:22,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 03:23:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-16 03:23:22,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-16 03:23:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-16 03:23:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:22,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-16 03:23:22,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-16 03:23:22,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-16 03:23:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-16 03:23:22,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-16 03:23:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:22,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:22,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 03:23:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:22,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:22,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:22,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-16 03:23:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-12-16 03:23:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-16 03:23:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-16 03:23:22,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-16 03:23:22,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,390 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2021-12-16 03:23:22,391 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:22,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794240692] [2021-12-16 03:23:22,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794240692] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:22,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634303478] [2021-12-16 03:23:22,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:22,391 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:22,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:23:22,392 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 03:23:22,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-16 03:23:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:22,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 3316 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-16 03:23:23,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:23:23,465 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2021-12-16 03:23:23,465 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:23:23,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1634303478] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:23:23,466 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 03:23:23,466 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2021-12-16 03:23:23,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523061493] [2021-12-16 03:23:23,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:23:23,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-16 03:23:23,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:23,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-16 03:23:23,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-12-16 03:23:23,468 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) [2021-12-16 03:23:24,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:24,186 INFO L93 Difference]: Finished difference Result 819 states and 1185 transitions. [2021-12-16 03:23:24,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 03:23:24,186 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 [2021-12-16 03:23:24,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:24,191 INFO L225 Difference]: With dead ends: 819 [2021-12-16 03:23:24,191 INFO L226 Difference]: Without dead ends: 443 [2021-12-16 03:23:24,193 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 [2021-12-16 03:23:24,194 INFO L933 BasicCegarLoop]: 408 mSDtfsCounter, 710 mSDsluCounter, 1357 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 407 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 710 SdHoareTripleChecker+Valid, 1765 SdHoareTripleChecker+Invalid, 980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 407 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-16 03:23:24,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [710 Valid, 1765 Invalid, 980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [407 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-16 03:23:24,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2021-12-16 03:23:24,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443. [2021-12-16 03:23:24,218 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) [2021-12-16 03:23:24,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 626 transitions. [2021-12-16 03:23:24,222 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 626 transitions. Word has length 271 [2021-12-16 03:23:24,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:24,227 INFO L470 AbstractCegarLoop]: Abstraction has 443 states and 626 transitions. [2021-12-16 03:23:24,228 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) [2021-12-16 03:23:24,228 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 626 transitions. [2021-12-16 03:23:24,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-12-16 03:23:24,230 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:24,230 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] [2021-12-16 03:23:24,261 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-16 03:23:24,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:24,456 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:24,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:24,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1106925038, now seen corresponding path program 1 times [2021-12-16 03:23:24,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:24,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3917751] [2021-12-16 03:23:24,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:24,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:24,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:24,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:23:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:24,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:24,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:24,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:23:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:24,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:23:24,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:24,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-16 03:23:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:24,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-16 03:23:24,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:24,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 03:23:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:24,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:24,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-16 03:23:24,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-16 03:23:24,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-16 03:23:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:24,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-16 03:23:24,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-16 03:23:24,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-16 03:23:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-16 03:23:24,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-16 03:23:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:24,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 03:23:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:24,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:24,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-16 03:23:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-16 03:23:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-16 03:23:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-16 03:23:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:24,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:24,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-16 03:23:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,010 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2021-12-16 03:23:25,010 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:25,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3917751] [2021-12-16 03:23:25,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3917751] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:25,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1569451142] [2021-12-16 03:23:25,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:25,011 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:25,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:23:25,012 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 03:23:25,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-16 03:23:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:25,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 3332 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-16 03:23:25,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:23:25,989 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2021-12-16 03:23:25,990 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:23:25,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1569451142] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:23:25,990 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 03:23:25,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2021-12-16 03:23:25,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675282249] [2021-12-16 03:23:25,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:23:25,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 03:23:25,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:25,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 03:23:25,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-12-16 03:23:25,992 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) [2021-12-16 03:23:26,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:26,118 INFO L93 Difference]: Finished difference Result 887 states and 1259 transitions. [2021-12-16 03:23:26,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 03:23:26,119 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 [2021-12-16 03:23:26,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:26,122 INFO L225 Difference]: With dead ends: 887 [2021-12-16 03:23:26,122 INFO L226 Difference]: Without dead ends: 456 [2021-12-16 03:23:26,124 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 358 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-12-16 03:23:26,125 INFO L933 BasicCegarLoop]: 567 mSDtfsCounter, 8 mSDsluCounter, 2231 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 2798 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 03:23:26,125 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 2798 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 03:23:26,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2021-12-16 03:23:26,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 452. [2021-12-16 03:23:26,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 263 states have (on average 1.2015209125475286) internal successors, (316), 266 states have internal predecessors, (316), 158 states have call successors, (158), 28 states have call predecessors, (158), 29 states have return successors, (160), 157 states have call predecessors, (160), 157 states have call successors, (160) [2021-12-16 03:23:26,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 634 transitions. [2021-12-16 03:23:26,163 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 634 transitions. Word has length 273 [2021-12-16 03:23:26,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:26,163 INFO L470 AbstractCegarLoop]: Abstraction has 452 states and 634 transitions. [2021-12-16 03:23:26,164 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) [2021-12-16 03:23:26,164 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 634 transitions. [2021-12-16 03:23:26,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-12-16 03:23:26,169 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:26,169 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] [2021-12-16 03:23:26,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-16 03:23:26,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:26,396 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:26,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:26,396 INFO L85 PathProgramCache]: Analyzing trace with hash -931612834, now seen corresponding path program 1 times [2021-12-16 03:23:26,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:26,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813893834] [2021-12-16 03:23:26,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:26,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:26,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:23:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:26,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:26,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:23:26,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:23:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:26,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 03:23:26,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:26,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:26,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-16 03:23:26,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:26,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 03:23:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:26,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-16 03:23:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-16 03:23:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-16 03:23:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:26,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-16 03:23:26,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-16 03:23:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-16 03:23:26,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-16 03:23:26,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-16 03:23:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:26,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 03:23:26,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:26,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:26,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:26,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-16 03:23:26,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-16 03:23:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-16 03:23:26,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-16 03:23:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-16 03:23:26,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:26,918 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2021-12-16 03:23:26,918 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:26,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813893834] [2021-12-16 03:23:26,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813893834] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:26,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1613851981] [2021-12-16 03:23:26,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:26,919 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:26,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:23:26,920 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 03:23:26,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-16 03:23:27,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:27,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 3336 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-16 03:23:27,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:23:27,958 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2021-12-16 03:23:27,959 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:23:27,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1613851981] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:23:27,959 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 03:23:27,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2021-12-16 03:23:27,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196295905] [2021-12-16 03:23:27,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:23:27,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 03:23:27,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:27,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 03:23:27,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-12-16 03:23:27,961 INFO L87 Difference]: Start difference. First operand 452 states and 634 transitions. Second operand has 7 states, 6 states have (on average 14.666666666666666) internal successors, (88), 7 states have internal predecessors, (88), 3 states have call successors, (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) [2021-12-16 03:23:28,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:28,092 INFO L93 Difference]: Finished difference Result 899 states and 1260 transitions. [2021-12-16 03:23:28,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 03:23:28,092 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.666666666666666) internal successors, (88), 7 states have internal predecessors, (88), 3 states have call successors, (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 275 [2021-12-16 03:23:28,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:28,096 INFO L225 Difference]: With dead ends: 899 [2021-12-16 03:23:28,096 INFO L226 Difference]: Without dead ends: 456 [2021-12-16 03:23:28,098 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 359 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-12-16 03:23:28,100 INFO L933 BasicCegarLoop]: 563 mSDtfsCounter, 19 mSDsluCounter, 2771 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 3334 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 03:23:28,100 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 3334 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 03:23:28,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2021-12-16 03:23:28,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 454. [2021-12-16 03:23:28,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 264 states have (on average 1.196969696969697) internal successors, (316), 268 states have internal predecessors, (316), 158 states have call successors, (158), 28 states have call predecessors, (158), 30 states have return successors, (161), 157 states have call predecessors, (161), 157 states have call successors, (161) [2021-12-16 03:23:28,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 635 transitions. [2021-12-16 03:23:28,123 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 635 transitions. Word has length 275 [2021-12-16 03:23:28,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:28,123 INFO L470 AbstractCegarLoop]: Abstraction has 454 states and 635 transitions. [2021-12-16 03:23:28,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.666666666666666) internal successors, (88), 7 states have internal predecessors, (88), 3 states have call successors, (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) [2021-12-16 03:23:28,124 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 635 transitions. [2021-12-16 03:23:28,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2021-12-16 03:23:28,125 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:28,125 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:23:28,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-12-16 03:23:28,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:28,352 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:28,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:28,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1487701102, now seen corresponding path program 1 times [2021-12-16 03:23:28,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:28,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982502250] [2021-12-16 03:23:28,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:28,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:28,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:23:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:28,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:28,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:28,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:23:28,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:23:28,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:28,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-16 03:23:28,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:28,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:28,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-16 03:23:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:28,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:28,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 03:23:28,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:28,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:28,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:28,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-16 03:23:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-16 03:23:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-16 03:23:28,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:28,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-16 03:23:28,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-16 03:23:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 03:23:28,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-16 03:23:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 03:23:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:28,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:28,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:28,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 03:23:28,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:28,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:28,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-12-16 03:23:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-16 03:23:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-16 03:23:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-16 03:23:28,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:28,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-16 03:23:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:28,781 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 433 trivial. 0 not checked. [2021-12-16 03:23:28,782 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:28,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982502250] [2021-12-16 03:23:28,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982502250] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:28,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1099545133] [2021-12-16 03:23:28,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:28,783 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:28,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:23:28,784 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 03:23:28,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-16 03:23:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:29,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 3340 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-16 03:23:29,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:23:29,753 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2021-12-16 03:23:29,753 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:23:29,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1099545133] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:23:29,753 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 03:23:29,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2021-12-16 03:23:29,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543562478] [2021-12-16 03:23:29,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:23:29,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 03:23:29,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:29,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 03:23:29,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-12-16 03:23:29,755 INFO L87 Difference]: Start difference. First operand 454 states and 635 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) [2021-12-16 03:23:29,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:29,881 INFO L93 Difference]: Finished difference Result 900 states and 1259 transitions. [2021-12-16 03:23:29,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 03:23:29,882 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 277 [2021-12-16 03:23:29,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:29,886 INFO L225 Difference]: With dead ends: 900 [2021-12-16 03:23:29,886 INFO L226 Difference]: Without dead ends: 458 [2021-12-16 03:23:29,888 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-12-16 03:23:29,889 INFO L933 BasicCegarLoop]: 562 mSDtfsCounter, 20 mSDsluCounter, 2210 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 2772 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 03:23:29,890 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 2772 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 03:23:29,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2021-12-16 03:23:29,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 454. [2021-12-16 03:23:29,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 264 states have (on average 1.1931818181818181) internal successors, (315), 268 states have internal predecessors, (315), 158 states have call successors, (158), 28 states have call predecessors, (158), 30 states have return successors, (161), 157 states have call predecessors, (161), 157 states have call successors, (161) [2021-12-16 03:23:29,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 634 transitions. [2021-12-16 03:23:29,912 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 634 transitions. Word has length 277 [2021-12-16 03:23:29,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:29,913 INFO L470 AbstractCegarLoop]: Abstraction has 454 states and 634 transitions. [2021-12-16 03:23:29,913 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) [2021-12-16 03:23:29,913 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 634 transitions. [2021-12-16 03:23:29,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2021-12-16 03:23:29,914 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:29,915 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:23:29,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-12-16 03:23:30,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-16 03:23:30,138 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:30,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:30,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1053840742, now seen corresponding path program 1 times [2021-12-16 03:23:30,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:30,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394199704] [2021-12-16 03:23:30,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:30,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:30,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:23:30,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:30,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:30,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:23:30,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:30,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:23:30,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:30,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:30,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-16 03:23:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:30,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-16 03:23:30,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:30,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:30,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 03:23:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:30,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:30,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:30,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-16 03:23:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-16 03:23:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 03:23:30,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-16 03:23:30,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-16 03:23:30,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-16 03:23:30,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-16 03:23:30,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-16 03:23:30,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:30,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 03:23:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:30,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:30,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:30,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-16 03:23:30,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-16 03:23:30,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-16 03:23:30,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-16 03:23:30,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:30,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-16 03:23:30,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:30,727 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2021-12-16 03:23:30,727 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:30,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394199704] [2021-12-16 03:23:30,728 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394199704] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:30,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310491216] [2021-12-16 03:23:30,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:30,728 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:30,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:23:30,732 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 03:23:30,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-16 03:23:31,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:31,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 3344 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-16 03:23:31,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:23:31,644 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2021-12-16 03:23:31,645 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:23:31,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1310491216] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:23:31,645 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 03:23:31,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2021-12-16 03:23:31,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157927596] [2021-12-16 03:23:31,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:23:31,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 03:23:31,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:31,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 03:23:31,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-12-16 03:23:31,647 INFO L87 Difference]: Start difference. First operand 454 states and 634 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) [2021-12-16 03:23:31,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:31,785 INFO L93 Difference]: Finished difference Result 900 states and 1257 transitions. [2021-12-16 03:23:31,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 03:23:31,786 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 279 [2021-12-16 03:23:31,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:31,790 INFO L225 Difference]: With dead ends: 900 [2021-12-16 03:23:31,790 INFO L226 Difference]: Without dead ends: 458 [2021-12-16 03:23:31,793 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 363 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-12-16 03:23:31,793 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 [2021-12-16 03:23:31,793 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] [2021-12-16 03:23:31,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2021-12-16 03:23:31,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 454. [2021-12-16 03:23:31,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 264 states have (on average 1.1893939393939394) internal successors, (314), 268 states have internal predecessors, (314), 158 states have call successors, (158), 28 states have call predecessors, (158), 30 states have return successors, (161), 157 states have call predecessors, (161), 157 states have call successors, (161) [2021-12-16 03:23:31,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 633 transitions. [2021-12-16 03:23:31,814 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 633 transitions. Word has length 279 [2021-12-16 03:23:31,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:31,814 INFO L470 AbstractCegarLoop]: Abstraction has 454 states and 633 transitions. [2021-12-16 03:23:31,815 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) [2021-12-16 03:23:31,815 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 633 transitions. [2021-12-16 03:23:31,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-12-16 03:23:31,816 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:31,817 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:23:31,844 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-12-16 03:23:32,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:32,030 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:32,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:32,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1675635474, now seen corresponding path program 1 times [2021-12-16 03:23:32,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:32,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820713404] [2021-12-16 03:23:32,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:32,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:32,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:23:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:32,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:32,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:23:32,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:32,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:23:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:32,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 03:23:32,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:32,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:32,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 03:23:32,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:32,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:32,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 03:23:32,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:32,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-16 03:23:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-16 03:23:32,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-16 03:23:32,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:32,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-16 03:23:32,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-16 03:23:32,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-16 03:23:32,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-16 03:23:32,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-16 03:23:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:32,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 03:23:32,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:32,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 03:23:32,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-16 03:23:32,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-16 03:23:32,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-12-16 03:23:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-16 03:23:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:32,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-16 03:23:32,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:32,495 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2021-12-16 03:23:32,495 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:32,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820713404] [2021-12-16 03:23:32,496 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820713404] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:32,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613600303] [2021-12-16 03:23:32,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:32,496 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:32,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:23:32,497 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 03:23:32,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-16 03:23:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:33,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 3348 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-16 03:23:33,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:23:33,419 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2021-12-16 03:23:33,419 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:23:33,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [613600303] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:23:33,419 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 03:23:33,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2021-12-16 03:23:33,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313377443] [2021-12-16 03:23:33,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:23:33,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 03:23:33,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:33,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 03:23:33,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-12-16 03:23:33,421 INFO L87 Difference]: Start difference. First operand 454 states and 633 transitions. Second operand has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 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) [2021-12-16 03:23:33,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:33,522 INFO L93 Difference]: Finished difference Result 881 states and 1270 transitions. [2021-12-16 03:23:33,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 03:23:33,523 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 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 281 [2021-12-16 03:23:33,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:33,526 INFO L225 Difference]: With dead ends: 881 [2021-12-16 03:23:33,526 INFO L226 Difference]: Without dead ends: 454 [2021-12-16 03:23:33,528 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 367 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-12-16 03:23:33,529 INFO L933 BasicCegarLoop]: 574 mSDtfsCounter, 8 mSDsluCounter, 2267 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 2841 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 03:23:33,529 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 2841 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 03:23:33,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2021-12-16 03:23:33,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 452. [2021-12-16 03:23:33,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 263 states have (on average 1.1787072243346008) internal successors, (310), 266 states have internal predecessors, (310), 158 states have call successors, (158), 28 states have call predecessors, (158), 29 states have return successors, (159), 157 states have call predecessors, (159), 157 states have call successors, (159) [2021-12-16 03:23:33,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 627 transitions. [2021-12-16 03:23:33,546 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 627 transitions. Word has length 281 [2021-12-16 03:23:33,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:33,546 INFO L470 AbstractCegarLoop]: Abstraction has 452 states and 627 transitions. [2021-12-16 03:23:33,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 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) [2021-12-16 03:23:33,547 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 627 transitions. [2021-12-16 03:23:33,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2021-12-16 03:23:33,548 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:33,548 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] [2021-12-16 03:23:33,576 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-12-16 03:23:33,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-12-16 03:23:33,776 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:33,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:33,776 INFO L85 PathProgramCache]: Analyzing trace with hash -895476864, now seen corresponding path program 1 times [2021-12-16 03:23:33,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:33,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330495673] [2021-12-16 03:23:33,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:33,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:33,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:33,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:33,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:23:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:33,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:33,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:33,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:33,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:33,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:33,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:23:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:33,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:33,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:23:33,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:33,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:33,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:33,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:33,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:33,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 03:23:33,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:33,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:33,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:33,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 03:23:34,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:34,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:34,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:34,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:34,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-16 03:23:34,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 03:23:34,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-16 03:23:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-16 03:23:34,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-16 03:23:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:34,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-16 03:23:34,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 03:23:34,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-16 03:23:34,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-16 03:23:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-16 03:23:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:34,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:34,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:34,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-16 03:23:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 03:23:34,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-16 03:23:34,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-16 03:23:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-16 03:23:34,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-16 03:23:34,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:34,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-12-16 03:23:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,291 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2021-12-16 03:23:34,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:34,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330495673] [2021-12-16 03:23:34,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330495673] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:34,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82337672] [2021-12-16 03:23:34,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:34,292 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:34,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:23:34,293 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 03:23:34,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-12-16 03:23:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:34,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 3358 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-16 03:23:34,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:23:35,325 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2021-12-16 03:23:35,325 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:23:35,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [82337672] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:23:35,326 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 03:23:35,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2021-12-16 03:23:35,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500518006] [2021-12-16 03:23:35,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:23:35,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 03:23:35,327 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:35,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 03:23:35,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-12-16 03:23:35,327 INFO L87 Difference]: Start difference. First operand 452 states and 627 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) [2021-12-16 03:23:35,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:35,421 INFO L93 Difference]: Finished difference Result 870 states and 1249 transitions. [2021-12-16 03:23:35,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 03:23:35,421 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 [2021-12-16 03:23:35,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:35,424 INFO L225 Difference]: With dead ends: 870 [2021-12-16 03:23:35,424 INFO L226 Difference]: Without dead ends: 452 [2021-12-16 03:23:35,427 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 [2021-12-16 03:23:35,428 INFO L933 BasicCegarLoop]: 569 mSDtfsCounter, 19 mSDsluCounter, 2244 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 2813 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 03:23:35,429 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 2813 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 03:23:35,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2021-12-16 03:23:35,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 452. [2021-12-16 03:23:35,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 263 states have (on average 1.1749049429657794) internal successors, (309), 266 states have internal predecessors, (309), 158 states have call successors, (158), 28 states have call predecessors, (158), 29 states have return successors, (159), 157 states have call predecessors, (159), 157 states have call successors, (159) [2021-12-16 03:23:35,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 626 transitions. [2021-12-16 03:23:35,448 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 626 transitions. Word has length 286 [2021-12-16 03:23:35,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:35,448 INFO L470 AbstractCegarLoop]: Abstraction has 452 states and 626 transitions. [2021-12-16 03:23:35,449 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) [2021-12-16 03:23:35,449 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 626 transitions. [2021-12-16 03:23:35,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-12-16 03:23:35,450 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:35,450 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] [2021-12-16 03:23:35,480 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-12-16 03:23:35,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-12-16 03:23:35,663 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:35,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:35,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1184844672, now seen corresponding path program 1 times [2021-12-16 03:23:35,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:35,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154353295] [2021-12-16 03:23:35,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:35,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:35,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:35,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:35,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:23:35,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:35,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:35,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:35,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:35,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:35,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:35,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:35,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:23:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:35,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:35,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:23:35,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:35,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:35,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:35,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:35,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:35,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 03:23:35,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:35,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:35,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:35,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:35,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:35,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 03:23:35,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:35,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:35,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:35,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:35,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:35,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:35,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-16 03:23:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:35,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:35,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:35,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 03:23:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:35,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-16 03:23:35,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:35,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-16 03:23:35,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:35,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 03:23:35,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:35,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-16 03:23:35,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:35,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:35,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:35,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-16 03:23:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:36,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-16 03:23:36,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:36,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-16 03:23:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:36,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-16 03:23:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:36,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-16 03:23:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:36,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:36,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:36,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:36,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:36,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:36,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:36,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-16 03:23:36,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:36,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:36,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:36,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:36,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:36,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 03:23:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:36,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-16 03:23:36,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:36,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-16 03:23:36,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:36,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-16 03:23:36,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:36,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-16 03:23:36,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:36,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-16 03:23:36,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:36,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:36,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:36,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-16 03:23:36,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:36,113 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2021-12-16 03:23:36,113 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:36,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154353295] [2021-12-16 03:23:36,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154353295] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:36,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1330237220] [2021-12-16 03:23:36,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:36,115 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:36,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:23:36,116 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 03:23:36,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-12-16 03:23:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:36,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 3366 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-16 03:23:36,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:23:37,019 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2021-12-16 03:23:37,019 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:23:37,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1330237220] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:23:37,020 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 03:23:37,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2021-12-16 03:23:37,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277371016] [2021-12-16 03:23:37,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:23:37,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 03:23:37,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:37,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 03:23:37,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-12-16 03:23:37,021 INFO L87 Difference]: Start difference. First operand 452 states and 626 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) [2021-12-16 03:23:37,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:37,123 INFO L93 Difference]: Finished difference Result 872 states and 1249 transitions. [2021-12-16 03:23:37,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 03:23:37,124 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 [2021-12-16 03:23:37,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:37,126 INFO L225 Difference]: With dead ends: 872 [2021-12-16 03:23:37,127 INFO L226 Difference]: Without dead ends: 454 [2021-12-16 03:23:37,130 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 [2021-12-16 03:23:37,130 INFO L933 BasicCegarLoop]: 568 mSDtfsCounter, 17 mSDsluCounter, 2805 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 3373 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 03:23:37,130 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 3373 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 03:23:37,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2021-12-16 03:23:37,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 452. [2021-12-16 03:23:37,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 263 states have (on average 1.1711026615969582) internal successors, (308), 266 states have internal predecessors, (308), 158 states have call successors, (158), 28 states have call predecessors, (158), 29 states have return successors, (159), 157 states have call predecessors, (159), 157 states have call successors, (159) [2021-12-16 03:23:37,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 625 transitions. [2021-12-16 03:23:37,149 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 625 transitions. Word has length 290 [2021-12-16 03:23:37,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:37,149 INFO L470 AbstractCegarLoop]: Abstraction has 452 states and 625 transitions. [2021-12-16 03:23:37,150 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) [2021-12-16 03:23:37,150 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 625 transitions. [2021-12-16 03:23:37,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2021-12-16 03:23:37,151 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:37,151 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] [2021-12-16 03:23:37,183 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-12-16 03:23:37,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-12-16 03:23:37,365 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:37,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:37,365 INFO L85 PathProgramCache]: Analyzing trace with hash 2085225984, now seen corresponding path program 1 times [2021-12-16 03:23:37,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:37,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009180747] [2021-12-16 03:23:37,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:37,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:37,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:37,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:23:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:37,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:37,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:37,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:23:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:23:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:37,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 03:23:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:37,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 03:23:37,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:37,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:37,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 03:23:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:37,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:37,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:23:37,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-16 03:23:37,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-16 03:23:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-16 03:23:37,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-16 03:23:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:37,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-16 03:23:37,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-16 03:23:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-16 03:23:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-16 03:23:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-16 03:23:37,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:37,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:37,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 03:23:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:37,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:23:37,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-16 03:23:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-12-16 03:23:37,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-16 03:23:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-16 03:23:37,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-16 03:23:37,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:37,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-16 03:23:37,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:37,769 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2021-12-16 03:23:37,769 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:37,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009180747] [2021-12-16 03:23:37,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009180747] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:37,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271446469] [2021-12-16 03:23:37,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:37,771 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:37,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:23:37,772 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 03:23:37,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-12-16 03:23:38,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:38,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 3374 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-16 03:23:38,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:23:38,667 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2021-12-16 03:23:38,668 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:23:38,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1271446469] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:23:38,668 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 03:23:38,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2021-12-16 03:23:38,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512590923] [2021-12-16 03:23:38,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:23:38,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 03:23:38,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:38,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 03:23:38,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-12-16 03:23:38,670 INFO L87 Difference]: Start difference. First operand 452 states and 625 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) [2021-12-16 03:23:38,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:38,770 INFO L93 Difference]: Finished difference Result 872 states and 1247 transitions. [2021-12-16 03:23:38,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 03:23:38,770 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 [2021-12-16 03:23:38,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:38,773 INFO L225 Difference]: With dead ends: 872 [2021-12-16 03:23:38,773 INFO L226 Difference]: Without dead ends: 454 [2021-12-16 03:23:38,776 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 [2021-12-16 03:23:38,776 INFO L933 BasicCegarLoop]: 567 mSDtfsCounter, 19 mSDsluCounter, 2240 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 2807 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 03:23:38,776 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 2807 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 03:23:38,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2021-12-16 03:23:38,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 452. [2021-12-16 03:23:38,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 263 states have (on average 1.167300380228137) internal successors, (307), 266 states have internal predecessors, (307), 158 states have call successors, (158), 28 states have call predecessors, (158), 29 states have return successors, (159), 157 states have call predecessors, (159), 157 states have call successors, (159) [2021-12-16 03:23:38,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 624 transitions. [2021-12-16 03:23:38,793 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 624 transitions. Word has length 294 [2021-12-16 03:23:38,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:38,793 INFO L470 AbstractCegarLoop]: Abstraction has 452 states and 624 transitions. [2021-12-16 03:23:38,793 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) [2021-12-16 03:23:38,793 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 624 transitions. [2021-12-16 03:23:38,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-12-16 03:23:38,794 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:38,795 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] [2021-12-16 03:23:38,826 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-12-16 03:23:39,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-12-16 03:23:39,011 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:39,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:39,012 INFO L85 PathProgramCache]: Analyzing trace with hash 229928448, now seen corresponding path program 2 times [2021-12-16 03:23:39,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:39,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751364239] [2021-12-16 03:23:39,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:39,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:23:39,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:39,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:23:39,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:23:39,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:39,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 03:23:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:39,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:39,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 03:23:39,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:39,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:39,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 03:23:39,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-16 03:23:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-16 03:23:39,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-16 03:23:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-16 03:23:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-16 03:23:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 03:23:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-16 03:23:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-16 03:23:39,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-16 03:23:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-16 03:23:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 03:23:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:39,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-16 03:23:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-16 03:23:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-16 03:23:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-16 03:23:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-16 03:23:39,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-12-16 03:23:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-16 03:23:39,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:39,480 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 497 trivial. 0 not checked. [2021-12-16 03:23:39,480 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:39,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751364239] [2021-12-16 03:23:39,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751364239] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:39,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1907105169] [2021-12-16 03:23:39,480 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-16 03:23:39,481 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:39,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:23:39,482 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 03:23:39,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-12-16 03:23:40,402 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-16 03:23:40,402 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-16 03:23:40,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 3382 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-16 03:23:40,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:23:40,808 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2021-12-16 03:23:40,808 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:23:40,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1907105169] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:23:40,809 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 03:23:40,809 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2021-12-16 03:23:40,809 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510555810] [2021-12-16 03:23:40,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:23:40,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 03:23:40,810 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:40,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 03:23:40,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-12-16 03:23:40,811 INFO L87 Difference]: Start difference. First operand 452 states and 624 transitions. Second operand has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 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) [2021-12-16 03:23:41,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:41,264 INFO L93 Difference]: Finished difference Result 846 states and 1193 transitions. [2021-12-16 03:23:41,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 03:23:41,265 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 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 [2021-12-16 03:23:41,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:41,268 INFO L225 Difference]: With dead ends: 846 [2021-12-16 03:23:41,268 INFO L226 Difference]: Without dead ends: 455 [2021-12-16 03:23:41,270 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 383 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-12-16 03:23:41,271 INFO L933 BasicCegarLoop]: 431 mSDtfsCounter, 596 mSDsluCounter, 705 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 284 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 597 SdHoareTripleChecker+Valid, 1136 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 284 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-16 03:23:41,271 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [597 Valid, 1136 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [284 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-16 03:23:41,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2021-12-16 03:23:41,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 455. [2021-12-16 03:23:41,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 265 states have (on average 1.1660377358490566) internal successors, (309), 269 states have internal predecessors, (309), 158 states have call successors, (158), 28 states have call predecessors, (158), 30 states have return successors, (172), 157 states have call predecessors, (172), 157 states have call successors, (172) [2021-12-16 03:23:41,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 639 transitions. [2021-12-16 03:23:41,288 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 639 transitions. Word has length 298 [2021-12-16 03:23:41,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:41,289 INFO L470 AbstractCegarLoop]: Abstraction has 455 states and 639 transitions. [2021-12-16 03:23:41,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 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) [2021-12-16 03:23:41,289 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 639 transitions. [2021-12-16 03:23:41,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-12-16 03:23:41,290 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:41,290 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] [2021-12-16 03:23:41,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-12-16 03:23:41,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:41,516 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:41,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:41,516 INFO L85 PathProgramCache]: Analyzing trace with hash 283100203, now seen corresponding path program 1 times [2021-12-16 03:23:41,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:41,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774868860] [2021-12-16 03:23:41,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:41,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:41,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:23:41,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:41,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:41,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:23:41,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:41,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:23:41,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:41,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 03:23:41,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 03:23:41,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:41,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 03:23:41,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:41,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:41,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-16 03:23:41,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-16 03:23:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-16 03:23:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-16 03:23:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-16 03:23:41,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:41,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 03:23:41,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-16 03:23:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-16 03:23:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-16 03:23:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-16 03:23:41,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:41,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:41,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 03:23:41,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:41,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:41,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-16 03:23:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-16 03:23:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-16 03:23:41,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-16 03:23:41,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-16 03:23:41,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-16 03:23:41,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:41,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:41,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-16 03:23:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:42,000 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 497 trivial. 0 not checked. [2021-12-16 03:23:42,001 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:42,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774868860] [2021-12-16 03:23:42,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774868860] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:23:42,001 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:23:42,001 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 03:23:42,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881742933] [2021-12-16 03:23:42,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:23:42,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 03:23:42,002 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:42,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 03:23:42,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-16 03:23:42,003 INFO L87 Difference]: Start difference. First operand 455 states and 639 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) [2021-12-16 03:23:42,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:42,948 INFO L93 Difference]: Finished difference Result 840 states and 1190 transitions. [2021-12-16 03:23:42,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 03:23:42,949 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 [2021-12-16 03:23:42,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:42,952 INFO L225 Difference]: With dead ends: 840 [2021-12-16 03:23:42,952 INFO L226 Difference]: Without dead ends: 455 [2021-12-16 03:23:42,954 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 [2021-12-16 03:23:42,954 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, 0.9s IncrementalHoareTripleChecker+Time [2021-12-16 03:23:42,955 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [414 Valid, 1873 Invalid, 1159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [400 Valid, 759 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-16 03:23:42,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2021-12-16 03:23:42,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 455. [2021-12-16 03:23:42,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 265 states have (on average 1.1660377358490566) internal successors, (309), 269 states have internal predecessors, (309), 158 states have call successors, (158), 28 states have call predecessors, (158), 30 states have return successors, (162), 157 states have call predecessors, (162), 157 states have call successors, (162) [2021-12-16 03:23:42,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 629 transitions. [2021-12-16 03:23:42,972 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 629 transitions. Word has length 304 [2021-12-16 03:23:42,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:42,972 INFO L470 AbstractCegarLoop]: Abstraction has 455 states and 629 transitions. [2021-12-16 03:23:42,972 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) [2021-12-16 03:23:42,972 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 629 transitions. [2021-12-16 03:23:42,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2021-12-16 03:23:42,974 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:42,974 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] [2021-12-16 03:23:42,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-16 03:23:42,975 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:42,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:42,975 INFO L85 PathProgramCache]: Analyzing trace with hash 2090771040, now seen corresponding path program 1 times [2021-12-16 03:23:42,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:42,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387021906] [2021-12-16 03:23:42,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:42,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:43,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:43,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:43,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:23:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:43,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:43,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:43,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:43,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:23:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:43,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:43,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:43,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:23:43,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:43,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:43,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:43,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:43,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 03:23:43,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:43,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:43,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:43,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 03:23:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:44,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:44,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 03:23:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:44,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-16 03:23:44,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-16 03:23:44,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-16 03:23:44,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-16 03:23:44,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-16 03:23:44,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 03:23:44,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-16 03:23:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-16 03:23:44,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-16 03:23:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-16 03:23:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:44,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 03:23:44,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:44,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:44,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-16 03:23:44,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-16 03:23:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-16 03:23:44,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-16 03:23:44,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-16 03:23:44,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-16 03:23:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:44,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-16 03:23:44,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:44,817 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2021-12-16 03:23:44,817 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:44,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387021906] [2021-12-16 03:23:44,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387021906] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:44,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2030783470] [2021-12-16 03:23:44,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:44,819 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:44,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:23:44,820 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 03:23:44,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-12-16 03:23:45,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:45,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 3416 conjuncts, 47 conjunts are in the unsatisfiable core [2021-12-16 03:23:45,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:23:45,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-16 03:23:46,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-16 03:23:46,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 28 [2021-12-16 03:23:48,030 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 280 proven. 5 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-12-16 03:23:48,031 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 03:23:50,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2030783470] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:50,329 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-16 03:23:50,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 16] total 43 [2021-12-16 03:23:50,329 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829349081] [2021-12-16 03:23:50,329 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-16 03:23:50,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2021-12-16 03:23:50,330 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:23:50,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-12-16 03:23:50,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=2584, Unknown=1, NotChecked=0, Total=2756 [2021-12-16 03:23:50,331 INFO L87 Difference]: Start difference. First operand 455 states and 629 transitions. Second operand has 43 states, 41 states have (on average 5.536585365853658) internal successors, (227), 33 states have internal predecessors, (227), 17 states have call successors, (73), 4 states have call predecessors, (73), 13 states have return successors, (74), 20 states have call predecessors, (74), 17 states have call successors, (74) [2021-12-16 03:23:54,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:23:54,985 INFO L93 Difference]: Finished difference Result 952 states and 1335 transitions. [2021-12-16 03:23:54,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-12-16 03:23:54,986 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 41 states have (on average 5.536585365853658) internal successors, (227), 33 states have internal predecessors, (227), 17 states have call successors, (73), 4 states have call predecessors, (73), 13 states have return successors, (74), 20 states have call predecessors, (74), 17 states have call successors, (74) Word has length 310 [2021-12-16 03:23:54,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:23:54,991 INFO L225 Difference]: With dead ends: 952 [2021-12-16 03:23:54,991 INFO L226 Difference]: Without dead ends: 524 [2021-12-16 03:23:54,995 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 704 GetRequests, 607 SyntacticMatches, 13 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1717 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=427, Invalid=6882, Unknown=1, NotChecked=0, Total=7310 [2021-12-16 03:23:54,995 INFO L933 BasicCegarLoop]: 517 mSDtfsCounter, 491 mSDsluCounter, 10044 mSDsCounter, 0 mSdLazyCounter, 5384 mSolverCounterSat, 340 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 649 SdHoareTripleChecker+Valid, 10561 SdHoareTripleChecker+Invalid, 7075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 340 IncrementalHoareTripleChecker+Valid, 5384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1351 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-12-16 03:23:54,996 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [649 Valid, 10561 Invalid, 7075 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [340 Valid, 5384 Invalid, 0 Unknown, 1351 Unchecked, 3.5s Time] [2021-12-16 03:23:54,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2021-12-16 03:23:55,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 507. [2021-12-16 03:23:55,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 305 states have (on average 1.160655737704918) internal successors, (354), 309 states have internal predecessors, (354), 164 states have call successors, (164), 34 states have call predecessors, (164), 36 states have return successors, (181), 163 states have call predecessors, (181), 163 states have call successors, (181) [2021-12-16 03:23:55,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 699 transitions. [2021-12-16 03:23:55,021 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 699 transitions. Word has length 310 [2021-12-16 03:23:55,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:23:55,022 INFO L470 AbstractCegarLoop]: Abstraction has 507 states and 699 transitions. [2021-12-16 03:23:55,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 41 states have (on average 5.536585365853658) internal successors, (227), 33 states have internal predecessors, (227), 17 states have call successors, (73), 4 states have call predecessors, (73), 13 states have return successors, (74), 20 states have call predecessors, (74), 17 states have call successors, (74) [2021-12-16 03:23:55,022 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 699 transitions. [2021-12-16 03:23:55,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2021-12-16 03:23:55,024 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:23:55,024 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:23:55,060 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-12-16 03:23:55,239 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 [2021-12-16 03:23:55,240 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:23:55,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:23:55,240 INFO L85 PathProgramCache]: Analyzing trace with hash 587672734, now seen corresponding path program 1 times [2021-12-16 03:23:55,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:23:55,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123326640] [2021-12-16 03:23:55,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:55,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:23:55,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:23:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 03:23:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 03:23:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 03:23:55,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 03:23:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:23:55,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:23:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:55,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:55,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 03:23:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:55,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:55,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 03:23:55,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:55,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:55,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 03:23:55,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:55,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:55,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-16 03:23:55,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-16 03:23:55,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-16 03:23:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-16 03:23:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-16 03:23:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:55,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 03:23:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-16 03:23:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-16 03:23:55,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-16 03:23:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-16 03:23:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:55,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:55,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:55,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 03:23:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:55,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-16 03:23:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-16 03:23:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-16 03:23:55,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-16 03:23:55,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-16 03:23:55,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-16 03:23:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:23:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-16 03:23:55,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:55,822 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 9 proven. 21 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2021-12-16 03:23:55,822 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:23:55,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123326640] [2021-12-16 03:23:55,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123326640] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:23:55,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [267032131] [2021-12-16 03:23:55,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:23:55,823 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:23:55,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:23:55,824 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 03:23:55,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-12-16 03:23:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:23:56,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 3411 conjuncts, 47 conjunts are in the unsatisfiable core [2021-12-16 03:23:56,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:23:56,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9