./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a6e7035c8f6176239a6155d5f2c0d89271e8311db2fdadeed7cf9912856a8711 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 22:56:39,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 22:56:39,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 22:56:39,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 22:56:39,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 22:56:39,210 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 22:56:39,211 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 22:56:39,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 22:56:39,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 22:56:39,217 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 22:56:39,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 22:56:39,219 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 22:56:39,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 22:56:39,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 22:56:39,222 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 22:56:39,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 22:56:39,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 22:56:39,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 22:56:39,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 22:56:39,232 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 22:56:39,234 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 22:56:39,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 22:56:39,235 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 22:56:39,235 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 22:56:39,236 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 22:56:39,241 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 22:56:39,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 22:56:39,242 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 22:56:39,242 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 22:56:39,243 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 22:56:39,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 22:56:39,244 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 22:56:39,245 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 22:56:39,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 22:56:39,246 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 22:56:39,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 22:56:39,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 22:56:39,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 22:56:39,247 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 22:56:39,247 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 22:56:39,248 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 22:56:39,249 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 22:56:39,250 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-13 22:56:39,273 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 22:56:39,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 22:56:39,273 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 22:56:39,273 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 22:56:39,274 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 22:56:39,274 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 22:56:39,274 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 22:56:39,275 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 22:56:39,275 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 22:56:39,275 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 22:56:39,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 22:56:39,276 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 22:56:39,276 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 22:56:39,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 22:56:39,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 22:56:39,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 22:56:39,276 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 22:56:39,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 22:56:39,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 22:56:39,277 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 22:56:39,278 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 22:56:39,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 22:56:39,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 22:56:39,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 22:56:39,278 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 22:56:39,278 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 22:56:39,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 22:56:39,279 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 22:56:39,279 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 22:56:39,279 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 22:56:39,279 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6e7035c8f6176239a6155d5f2c0d89271e8311db2fdadeed7cf9912856a8711 [2022-07-13 22:56:39,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 22:56:39,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 22:56:39,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 22:56:39,477 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 22:56:39,478 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 22:56:39,479 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i [2022-07-13 22:56:39,534 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/386899aaf/54d1ea40da824794ad07609878aeefce/FLAGbbf07e83b [2022-07-13 22:56:40,114 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 22:56:40,115 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i [2022-07-13 22:56:40,139 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/386899aaf/54d1ea40da824794ad07609878aeefce/FLAGbbf07e83b [2022-07-13 22:56:40,275 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/386899aaf/54d1ea40da824794ad07609878aeefce [2022-07-13 22:56:40,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 22:56:40,278 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 22:56:40,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 22:56:40,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 22:56:40,282 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 22:56:40,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 10:56:40" (1/1) ... [2022-07-13 22:56:40,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10b43d75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:56:40, skipping insertion in model container [2022-07-13 22:56:40,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 10:56:40" (1/1) ... [2022-07-13 22:56:40,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 22:56:40,364 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 22:56:40,560 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i[4498,4511] [2022-07-13 22:56:40,565 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i[4558,4571] [2022-07-13 22:56:41,094 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:56:41,095 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:56:41,095 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:56:41,096 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:56:41,096 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:56:41,103 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:56:41,104 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:56:41,106 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:56:41,106 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:56:41,314 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-13 22:56:41,315 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-13 22:56:41,316 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-13 22:56:41,316 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-13 22:56:41,317 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-13 22:56:41,318 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-13 22:56:41,318 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-13 22:56:41,319 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-13 22:56:41,319 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-13 22:56:41,320 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-13 22:56:41,410 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-13 22:56:41,517 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:56:41,518 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:56:41,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 22:56:41,618 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 22:56:41,634 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i[4498,4511] [2022-07-13 22:56:41,635 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i[4558,4571] [2022-07-13 22:56:41,665 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:56:41,666 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:56:41,666 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:56:41,666 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:56:41,667 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:56:41,672 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:56:41,673 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:56:41,673 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:56:41,673 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:56:41,696 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-13 22:56:41,697 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-13 22:56:41,697 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-13 22:56:41,698 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-13 22:56:41,699 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-13 22:56:41,699 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-13 22:56:41,699 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-13 22:56:41,699 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-13 22:56:41,700 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-13 22:56:41,700 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-13 22:56:41,714 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-13 22:56:41,752 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:56:41,752 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-13 22:56:41,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 22:56:41,935 INFO L208 MainTranslator]: Completed translation [2022-07-13 22:56:41,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:56:41 WrapperNode [2022-07-13 22:56:41,936 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 22:56:41,937 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 22:56:41,937 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 22:56:41,937 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 22:56:41,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:56:41" (1/1) ... [2022-07-13 22:56:42,019 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:56:41" (1/1) ... [2022-07-13 22:56:42,067 INFO L137 Inliner]: procedures = 691, calls = 2872, calls flagged for inlining = 57, calls inlined = 6, statements flattened = 813 [2022-07-13 22:56:42,068 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 22:56:42,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 22:56:42,069 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 22:56:42,069 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 22:56:42,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:56:41" (1/1) ... [2022-07-13 22:56:42,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:56:41" (1/1) ... [2022-07-13 22:56:42,080 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:56:41" (1/1) ... [2022-07-13 22:56:42,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:56:41" (1/1) ... [2022-07-13 22:56:42,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:56:41" (1/1) ... [2022-07-13 22:56:42,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:56:41" (1/1) ... [2022-07-13 22:56:42,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:56:41" (1/1) ... [2022-07-13 22:56:42,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 22:56:42,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 22:56:42,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 22:56:42,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 22:56:42,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:56:41" (1/1) ... [2022-07-13 22:56:42,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 22:56:42,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:56:42,152 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-13 22:56:42,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-13 22:56:42,185 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_store_n [2022-07-13 22:56:42,186 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2022-07-13 22:56:42,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 22:56:42,186 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2022-07-13 22:56:42,186 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2022-07-13 22:56:42,187 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-07-13 22:56:42,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-07-13 22:56:42,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-13 22:56:42,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 22:56:42,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-13 22:56:42,188 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2022-07-13 22:56:42,188 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2022-07-13 22:56:42,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 22:56:42,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 22:56:42,189 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-07-13 22:56:42,189 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-07-13 22:56:42,189 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-07-13 22:56:42,189 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-07-13 22:56:42,189 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2022-07-13 22:56:42,189 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2022-07-13 22:56:42,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-13 22:56:42,190 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-13 22:56:42,190 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-13 22:56:42,190 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-13 22:56:42,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 22:56:42,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-13 22:56:42,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-13 22:56:42,191 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2022-07-13 22:56:42,191 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2022-07-13 22:56:42,191 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-07-13 22:56:42,192 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-07-13 22:56:42,192 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-07-13 22:56:42,192 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-07-13 22:56:42,192 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2022-07-13 22:56:42,192 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2022-07-13 22:56:42,192 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2022-07-13 22:56:42,192 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2022-07-13 22:56:42,192 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2022-07-13 22:56:42,193 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2022-07-13 22:56:42,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 22:56:42,417 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 22:56:42,418 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 22:56:43,097 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 22:56:43,104 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 22:56:43,104 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-13 22:56:43,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 10:56:43 BoogieIcfgContainer [2022-07-13 22:56:43,106 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 22:56:43,107 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 22:56:43,108 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 22:56:43,110 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 22:56:43,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 10:56:40" (1/3) ... [2022-07-13 22:56:43,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f83ab7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 10:56:43, skipping insertion in model container [2022-07-13 22:56:43,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 10:56:41" (2/3) ... [2022-07-13 22:56:43,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f83ab7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 10:56:43, skipping insertion in model container [2022-07-13 22:56:43,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 10:56:43" (3/3) ... [2022-07-13 22:56:43,112 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_clean_up_harness.i [2022-07-13 22:56:43,123 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 22:56:43,123 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-13 22:56:43,165 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 22:56:43,173 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@53fd4fea, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2a913de [2022-07-13 22:56:43,173 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-13 22:56:43,177 INFO L276 IsEmpty]: Start isEmpty. Operand has 136 states, 88 states have (on average 1.2159090909090908) internal successors, (107), 89 states have internal predecessors, (107), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-07-13 22:56:43,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-07-13 22:56:43,183 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:56:43,183 INFO L195 NwaCegarLoop]: 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] [2022-07-13 22:56:43,184 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:56:43,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:56:43,188 INFO L85 PathProgramCache]: Analyzing trace with hash 612691976, now seen corresponding path program 1 times [2022-07-13 22:56:43,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:56:43,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500997279] [2022-07-13 22:56:43,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:56:43,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:56:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:43,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:56:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:43,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:56:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:43,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:43,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:43,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:56:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:43,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:56:43,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:43,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:56:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:43,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:56:43,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:43,698 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-13 22:56:43,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:56:43,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500997279] [2022-07-13 22:56:43,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500997279] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:56:43,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 22:56:43,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 22:56:43,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21932629] [2022-07-13 22:56:43,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:56:43,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 22:56:43,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:56:43,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 22:56:43,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 22:56:43,726 INFO L87 Difference]: Start difference. First operand has 136 states, 88 states have (on average 1.2159090909090908) internal successors, (107), 89 states have internal predecessors, (107), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-13 22:56:43,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:56:43,938 INFO L93 Difference]: Finished difference Result 263 states and 357 transitions. [2022-07-13 22:56:43,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 22:56:43,940 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 [2022-07-13 22:56:43,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:56:43,946 INFO L225 Difference]: With dead ends: 263 [2022-07-13 22:56:43,947 INFO L226 Difference]: Without dead ends: 132 [2022-07-13 22:56:43,949 INFO L412 NwaCegarLoop]: 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 [2022-07-13 22:56:43,951 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 72 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 22:56:43,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 177 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 22:56:43,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2022-07-13 22:56:43,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 130. [2022-07-13 22:56:43,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 82 states have (on average 1.1829268292682926) internal successors, (97), 84 states have internal predecessors, (97), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2022-07-13 22:56:43,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 160 transitions. [2022-07-13 22:56:43,983 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 160 transitions. Word has length 52 [2022-07-13 22:56:43,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:56:43,983 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 160 transitions. [2022-07-13 22:56:43,983 INFO L496 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) [2022-07-13 22:56:43,983 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 160 transitions. [2022-07-13 22:56:43,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-07-13 22:56:43,985 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:56:43,985 INFO L195 NwaCegarLoop]: 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] [2022-07-13 22:56:43,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 22:56:43,985 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:56:43,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:56:43,986 INFO L85 PathProgramCache]: Analyzing trace with hash -333154486, now seen corresponding path program 1 times [2022-07-13 22:56:43,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:56:43,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012010389] [2022-07-13 22:56:43,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:56:43,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:56:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:44,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:56:44,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:44,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:56:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:44,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:44,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:44,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:56:44,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:44,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:56:44,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:44,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:56:44,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:44,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:56:44,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:44,203 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-13 22:56:44,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:56:44,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012010389] [2022-07-13 22:56:44,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012010389] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:56:44,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 22:56:44,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 22:56:44,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426643879] [2022-07-13 22:56:44,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:56:44,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-13 22:56:44,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:56:44,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-13 22:56:44,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-13 22:56:44,205 INFO L87 Difference]: Start difference. First operand 130 states and 160 transitions. Second operand has 8 states, 7 states have (on average 3.857142857142857) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-07-13 22:56:44,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:56:44,701 INFO L93 Difference]: Finished difference Result 244 states and 315 transitions. [2022-07-13 22:56:44,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 22:56:44,701 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 [2022-07-13 22:56:44,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:56:44,703 INFO L225 Difference]: With dead ends: 244 [2022-07-13 22:56:44,704 INFO L226 Difference]: Without dead ends: 139 [2022-07-13 22:56:44,705 INFO L412 NwaCegarLoop]: 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 [2022-07-13 22:56:44,708 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 109 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-13 22:56:44,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 394 Invalid, 626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-13 22:56:44,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2022-07-13 22:56:44,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 137. [2022-07-13 22:56:44,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 88 states have (on average 1.2045454545454546) internal successors, (106), 90 states have internal predecessors, (106), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2022-07-13 22:56:44,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 169 transitions. [2022-07-13 22:56:44,725 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 169 transitions. Word has length 52 [2022-07-13 22:56:44,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:56:44,726 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 169 transitions. [2022-07-13 22:56:44,726 INFO L496 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) [2022-07-13 22:56:44,726 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 169 transitions. [2022-07-13 22:56:44,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-07-13 22:56:44,729 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:56:44,729 INFO L195 NwaCegarLoop]: 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] [2022-07-13 22:56:44,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 22:56:44,730 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:56:44,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:56:44,730 INFO L85 PathProgramCache]: Analyzing trace with hash 818368520, now seen corresponding path program 1 times [2022-07-13 22:56:44,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:56:44,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768397150] [2022-07-13 22:56:44,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:56:44,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:56:44,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:44,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:56:44,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:44,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:56:44,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:44,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:44,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:44,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:56:44,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:44,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:56:44,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:44,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:56:44,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:44,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:56:44,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:44,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 22:56:44,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:45,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:45,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:45,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:45,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:45,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-13 22:56:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:45,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:45,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:45,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:45,078 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-07-13 22:56:45,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:56:45,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768397150] [2022-07-13 22:56:45,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768397150] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:56:45,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795441772] [2022-07-13 22:56:45,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:56:45,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:56:45,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:56:45,081 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:56:45,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-13 22:56:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:45,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 2563 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-13 22:56:45,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:56:45,550 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-13 22:56:45,550 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 22:56:45,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1795441772] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:56:45,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 22:56:45,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2022-07-13 22:56:45,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794273468] [2022-07-13 22:56:45,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:56:45,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 22:56:45,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:56:45,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 22:56:45,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2022-07-13 22:56:45,552 INFO L87 Difference]: Start difference. First operand 137 states and 169 transitions. Second operand has 7 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-07-13 22:56:45,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:56:45,602 INFO L93 Difference]: Finished difference Result 137 states and 169 transitions. [2022-07-13 22:56:45,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-13 22:56:45,602 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 [2022-07-13 22:56:45,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:56:45,603 INFO L225 Difference]: With dead ends: 137 [2022-07-13 22:56:45,604 INFO L226 Difference]: Without dead ends: 134 [2022-07-13 22:56:45,604 INFO L412 NwaCegarLoop]: 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 [2022-07-13 22:56:45,604 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 24 mSDsluCounter, 742 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 899 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 22:56:45,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 899 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 22:56:45,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2022-07-13 22:56:45,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2022-07-13 22:56:45,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 86 states have (on average 1.197674418604651) internal successors, (103), 87 states have internal predecessors, (103), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2022-07-13 22:56:45,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 166 transitions. [2022-07-13 22:56:45,613 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 166 transitions. Word has length 85 [2022-07-13 22:56:45,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:56:45,613 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 166 transitions. [2022-07-13 22:56:45,613 INFO L496 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) [2022-07-13 22:56:45,614 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 166 transitions. [2022-07-13 22:56:45,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-07-13 22:56:45,615 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:56:45,616 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:56:45,646 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-13 22:56:45,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:56:45,834 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:56:45,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:56:45,834 INFO L85 PathProgramCache]: Analyzing trace with hash -611785972, now seen corresponding path program 1 times [2022-07-13 22:56:45,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:56:45,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015009790] [2022-07-13 22:56:45,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:56:45,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:56:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:45,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:56:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:45,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:56:45,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:46,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:46,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:46,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:56:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:46,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:56:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:46,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:56:46,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:46,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:56:46,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:46,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 22:56:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:46,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:46,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:46,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:46,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-13 22:56:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:46,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:46,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:46,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:46,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-13 22:56:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:46,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:46,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:46,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:46,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 22:56:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:46,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:46,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:46,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:46,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:56:46,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:46,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 22:56:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:46,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-13 22:56:46,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:46,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-13 22:56:46,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:46,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:46,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:46,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:46,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:46,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 22:56:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:46,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:46,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:46,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:56:46,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:46,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 22:56:46,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:46,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-13 22:56:46,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:46,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-13 22:56:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:46,186 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2022-07-13 22:56:46,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:56:46,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015009790] [2022-07-13 22:56:46,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015009790] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:56:46,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772254497] [2022-07-13 22:56:46,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:56:46,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:56:46,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:56:46,188 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:56:46,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-13 22:56:46,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:46,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 3038 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-13 22:56:46,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:56:46,597 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2022-07-13 22:56:46,597 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 22:56:46,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1772254497] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:56:46,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 22:56:46,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 6 [2022-07-13 22:56:46,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868576266] [2022-07-13 22:56:46,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:56:46,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 22:56:46,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:56:46,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 22:56:46,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-13 22:56:46,599 INFO L87 Difference]: Start difference. First operand 134 states and 166 transitions. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-13 22:56:46,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:56:46,615 INFO L93 Difference]: Finished difference Result 225 states and 282 transitions. [2022-07-13 22:56:46,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 22:56:46,615 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 207 [2022-07-13 22:56:46,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:56:46,617 INFO L225 Difference]: With dead ends: 225 [2022-07-13 22:56:46,617 INFO L226 Difference]: Without dead ends: 138 [2022-07-13 22:56:46,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-13 22:56:46,618 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 3 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 22:56:46,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 452 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 22:56:46,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2022-07-13 22:56:46,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 136. [2022-07-13 22:56:46,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 88 states have (on average 1.1931818181818181) internal successors, (105), 89 states have internal predecessors, (105), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2022-07-13 22:56:46,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 168 transitions. [2022-07-13 22:56:46,629 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 168 transitions. Word has length 207 [2022-07-13 22:56:46,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:56:46,629 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 168 transitions. [2022-07-13 22:56:46,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-13 22:56:46,630 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 168 transitions. [2022-07-13 22:56:46,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-07-13 22:56:46,634 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:56:46,634 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:56:46,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-13 22:56:46,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-07-13 22:56:46,847 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:56:46,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:56:46,848 INFO L85 PathProgramCache]: Analyzing trace with hash -540741488, now seen corresponding path program 1 times [2022-07-13 22:56:46,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:56:46,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118918074] [2022-07-13 22:56:46,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:56:46,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:56:46,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:47,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:56:47,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:47,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:56:47,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:47,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:47,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:56:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:47,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:56:47,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:47,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:56:47,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:47,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:56:47,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:47,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 22:56:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:47,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:47,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:47,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:47,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:47,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-13 22:56:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:47,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:47,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:47,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-13 22:56:47,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:47,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:47,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:47,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:47,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:47,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:47,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 22:56:47,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:47,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:47,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:47,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:47,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:56:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:47,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 22:56:47,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:47,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-13 22:56:47,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:47,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-13 22:56:47,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:47,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:47,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:47,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:47,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:47,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 22:56:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:47,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:47,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:47,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:47,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:56:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:47,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 22:56:47,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:47,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-13 22:56:47,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:47,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-13 22:56:47,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:47,277 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2022-07-13 22:56:47,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:56:47,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118918074] [2022-07-13 22:56:47,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118918074] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:56:47,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040276429] [2022-07-13 22:56:47,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:56:47,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:56:47,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:56:47,280 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:56:47,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-13 22:56:47,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:47,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 3028 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-13 22:56:47,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:56:47,806 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-07-13 22:56:47,806 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 22:56:47,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040276429] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:56:47,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 22:56:47,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-07-13 22:56:47,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451692332] [2022-07-13 22:56:47,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:56:47,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 22:56:47,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:56:47,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 22:56:47,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-07-13 22:56:47,808 INFO L87 Difference]: Start difference. First operand 136 states and 168 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 4 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2022-07-13 22:56:47,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:56:47,962 INFO L93 Difference]: Finished difference Result 228 states and 283 transitions. [2022-07-13 22:56:47,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-13 22:56:47,963 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 4 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 207 [2022-07-13 22:56:47,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:56:47,964 INFO L225 Difference]: With dead ends: 228 [2022-07-13 22:56:47,964 INFO L226 Difference]: Without dead ends: 139 [2022-07-13 22:56:47,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2022-07-13 22:56:47,965 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 167 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 22:56:47,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 526 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 22:56:47,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2022-07-13 22:56:47,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2022-07-13 22:56:47,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 90 states have (on average 1.1888888888888889) internal successors, (107), 92 states have internal predecessors, (107), 32 states have call successors, (32), 15 states have call predecessors, (32), 16 states have return successors, (32), 31 states have call predecessors, (32), 31 states have call successors, (32) [2022-07-13 22:56:47,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 171 transitions. [2022-07-13 22:56:47,973 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 171 transitions. Word has length 207 [2022-07-13 22:56:47,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:56:47,974 INFO L495 AbstractCegarLoop]: Abstraction has 139 states and 171 transitions. [2022-07-13 22:56:47,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 4 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2022-07-13 22:56:47,974 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 171 transitions. [2022-07-13 22:56:47,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-07-13 22:56:47,976 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:56:47,976 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:56:47,998 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-13 22:56:48,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:56:48,190 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:56:48,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:56:48,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1768774985, now seen corresponding path program 1 times [2022-07-13 22:56:48,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:56:48,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868744720] [2022-07-13 22:56:48,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:56:48,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:56:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:48,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:56:48,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:48,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:56:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:48,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:48,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:56:48,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:48,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:56:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:48,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:56:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:48,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:56:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:48,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 22:56:48,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:48,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:48,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:48,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:48,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:48,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-13 22:56:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:48,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:48,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:48,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:48,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-13 22:56:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:48,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:48,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:48,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:48,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:48,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:48,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 22:56:48,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:48,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:48,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:48,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:48,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:48,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:56:48,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:48,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 22:56:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:48,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-13 22:56:48,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:48,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-13 22:56:48,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:48,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:48,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:48,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:48,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:48,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:48,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 22:56:48,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:48,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:48,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:48,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:48,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:48,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:56:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:48,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 22:56:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:48,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-13 22:56:48,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:48,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-13 22:56:48,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:48,684 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 7 proven. 45 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2022-07-13 22:56:48,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:56:48,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868744720] [2022-07-13 22:56:48,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868744720] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:56:48,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626562296] [2022-07-13 22:56:48,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:56:48,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:56:48,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:56:48,686 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:56:48,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-13 22:56:49,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:49,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 3044 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-13 22:56:49,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:56:49,236 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2022-07-13 22:56:49,236 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 22:56:49,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [626562296] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:56:49,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 22:56:49,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 20 [2022-07-13 22:56:49,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457046913] [2022-07-13 22:56:49,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:56:49,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-13 22:56:49,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:56:49,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-13 22:56:49,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2022-07-13 22:56:49,238 INFO L87 Difference]: Start difference. First operand 139 states and 171 transitions. Second operand has 8 states, 7 states have (on average 11.285714285714286) internal successors, (79), 8 states have internal predecessors, (79), 5 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) [2022-07-13 22:56:49,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:56:49,420 INFO L93 Difference]: Finished difference Result 199 states and 244 transitions. [2022-07-13 22:56:49,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-13 22:56:49,421 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.285714285714286) internal successors, (79), 8 states have internal predecessors, (79), 5 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) Word has length 209 [2022-07-13 22:56:49,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:56:49,422 INFO L225 Difference]: With dead ends: 199 [2022-07-13 22:56:49,422 INFO L226 Difference]: Without dead ends: 134 [2022-07-13 22:56:49,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=523, Unknown=0, NotChecked=0, Total=600 [2022-07-13 22:56:49,423 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 178 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 22:56:49,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 509 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 22:56:49,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2022-07-13 22:56:49,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2022-07-13 22:56:49,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 86 states have (on average 1.186046511627907) internal successors, (102), 87 states have internal predecessors, (102), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2022-07-13 22:56:49,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 165 transitions. [2022-07-13 22:56:49,430 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 165 transitions. Word has length 209 [2022-07-13 22:56:49,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:56:49,431 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 165 transitions. [2022-07-13 22:56:49,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.285714285714286) internal successors, (79), 8 states have internal predecessors, (79), 5 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) [2022-07-13 22:56:49,431 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 165 transitions. [2022-07-13 22:56:49,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-07-13 22:56:49,433 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:56:49,433 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:56:49,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-13 22:56:49,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:56:49,652 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:56:49,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:56:49,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1017099586, now seen corresponding path program 1 times [2022-07-13 22:56:49,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:56:49,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344950242] [2022-07-13 22:56:49,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:56:49,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:56:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:49,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:56:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:49,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:56:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:49,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:49,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:56:49,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:49,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:56:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:49,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:56:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:49,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:56:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:49,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 22:56:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:49,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:49,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:49,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:49,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:49,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-13 22:56:49,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:49,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:49,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:49,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-13 22:56:49,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:49,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:49,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:49,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:49,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:49,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 22:56:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:49,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:49,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:49,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:49,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:56:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:49,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 22:56:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:49,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-13 22:56:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:49,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-13 22:56:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:49,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:49,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:49,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:49,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:49,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:49,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:49,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 22:56:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:49,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:49,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:49,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:56:49,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:49,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 22:56:49,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:49,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-13 22:56:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:49,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-13 22:56:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:49,993 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2022-07-13 22:56:49,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:56:49,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344950242] [2022-07-13 22:56:49,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344950242] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:56:49,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111122149] [2022-07-13 22:56:49,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:56:49,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:56:49,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:56:49,996 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:56:49,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-13 22:56:50,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:50,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 3060 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-13 22:56:50,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:56:50,449 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-07-13 22:56:50,450 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 22:56:50,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1111122149] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:56:50,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 22:56:50,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 9 [2022-07-13 22:56:50,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420746435] [2022-07-13 22:56:50,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:56:50,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 22:56:50,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:56:50,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 22:56:50,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-13 22:56:50,452 INFO L87 Difference]: Start difference. First operand 134 states and 165 transitions. Second operand has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-13 22:56:50,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:56:50,494 INFO L93 Difference]: Finished difference Result 250 states and 309 transitions. [2022-07-13 22:56:50,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-13 22:56:50,495 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 211 [2022-07-13 22:56:50,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:56:50,496 INFO L225 Difference]: With dead ends: 250 [2022-07-13 22:56:50,496 INFO L226 Difference]: Without dead ends: 136 [2022-07-13 22:56:50,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-07-13 22:56:50,497 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 6 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 22:56:50,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 724 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 22:56:50,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2022-07-13 22:56:50,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 134. [2022-07-13 22:56:50,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 86 states have (on average 1.1744186046511629) internal successors, (101), 87 states have internal predecessors, (101), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2022-07-13 22:56:50,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 164 transitions. [2022-07-13 22:56:50,503 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 164 transitions. Word has length 211 [2022-07-13 22:56:50,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:56:50,504 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 164 transitions. [2022-07-13 22:56:50,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-13 22:56:50,504 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 164 transitions. [2022-07-13 22:56:50,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-07-13 22:56:50,505 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:56:50,506 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:56:50,533 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-13 22:56:50,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:56:50,722 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:56:50,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:56:50,722 INFO L85 PathProgramCache]: Analyzing trace with hash 330483892, now seen corresponding path program 1 times [2022-07-13 22:56:50,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:56:50,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99965304] [2022-07-13 22:56:50,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:56:50,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:56:50,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:50,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:56:50,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:50,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:56:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:50,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:50,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:56:50,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:50,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:56:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:50,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:56:50,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:50,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:56:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:50,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 22:56:50,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:50,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:50,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:50,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:50,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-13 22:56:50,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:50,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:50,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:50,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-13 22:56:50,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:50,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:50,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:50,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:50,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:50,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 22:56:50,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:50,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:50,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:50,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:50,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:50,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:56:50,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:50,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 22:56:50,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:50,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-13 22:56:50,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:50,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-13 22:56:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:50,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:50,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:50,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:51,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:51,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:51,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 22:56:51,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:51,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:51,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:51,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:56:51,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:51,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 22:56:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:51,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-13 22:56:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:51,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-13 22:56:51,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:51,036 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2022-07-13 22:56:51,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:56:51,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99965304] [2022-07-13 22:56:51,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99965304] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:56:51,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617513632] [2022-07-13 22:56:51,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:56:51,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:56:51,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:56:51,038 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:56:51,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-13 22:56:51,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:51,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 3064 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-13 22:56:51,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:56:51,535 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-07-13 22:56:51,535 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 22:56:51,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617513632] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:56:51,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 22:56:51,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-07-13 22:56:51,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872017974] [2022-07-13 22:56:51,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:56:51,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 22:56:51,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:56:51,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 22:56:51,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-07-13 22:56:51,537 INFO L87 Difference]: Start difference. First operand 134 states and 164 transitions. Second operand has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 7 states have internal predecessors, (77), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-13 22:56:51,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:56:51,594 INFO L93 Difference]: Finished difference Result 250 states and 307 transitions. [2022-07-13 22:56:51,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-13 22:56:51,604 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 7 states have internal predecessors, (77), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 213 [2022-07-13 22:56:51,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:56:51,605 INFO L225 Difference]: With dead ends: 250 [2022-07-13 22:56:51,605 INFO L226 Difference]: Without dead ends: 136 [2022-07-13 22:56:51,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2022-07-13 22:56:51,606 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 16 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 704 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 22:56:51,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 704 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 22:56:51,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2022-07-13 22:56:51,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 134. [2022-07-13 22:56:51,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 86 states have (on average 1.1627906976744187) internal successors, (100), 87 states have internal predecessors, (100), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2022-07-13 22:56:51,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 163 transitions. [2022-07-13 22:56:51,616 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 163 transitions. Word has length 213 [2022-07-13 22:56:51,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:56:51,616 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 163 transitions. [2022-07-13 22:56:51,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 7 states have internal predecessors, (77), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-13 22:56:51,616 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 163 transitions. [2022-07-13 22:56:51,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-07-13 22:56:51,618 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:56:51,618 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:56:51,641 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-13 22:56:51,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:56:51,831 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:56:51,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:56:51,832 INFO L85 PathProgramCache]: Analyzing trace with hash 475207938, now seen corresponding path program 1 times [2022-07-13 22:56:51,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:56:51,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617851630] [2022-07-13 22:56:51,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:56:51,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:56:51,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:51,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:56:51,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:51,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:56:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:51,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:52,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:56:52,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:52,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:56:52,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:52,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:56:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:52,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:56:52,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:52,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 22:56:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:52,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:52,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:52,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:52,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-13 22:56:52,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:52,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:52,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:52,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:52,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-13 22:56:52,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:52,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:52,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:52,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:52,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:52,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:52,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:52,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 22:56:52,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:52,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:52,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:52,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:52,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:56:52,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:52,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 22:56:52,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:52,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-13 22:56:52,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:52,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-13 22:56:52,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:52,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:52,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:52,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:52,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:52,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:52,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:52,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 22:56:52,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:52,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:52,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:52,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:52,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:56:52,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:52,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 22:56:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:52,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-13 22:56:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:52,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-13 22:56:52,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:52,219 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2022-07-13 22:56:52,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:56:52,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617851630] [2022-07-13 22:56:52,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617851630] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:56:52,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323229303] [2022-07-13 22:56:52,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:56:52,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:56:52,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:56:52,221 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:56:52,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-13 22:56:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:52,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 3068 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-13 22:56:52,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:56:52,713 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-07-13 22:56:52,713 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 22:56:52,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323229303] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:56:52,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 22:56:52,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-07-13 22:56:52,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593642799] [2022-07-13 22:56:52,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:56:52,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 22:56:52,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:56:52,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 22:56:52,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-07-13 22:56:52,717 INFO L87 Difference]: Start difference. First operand 134 states and 163 transitions. Second operand has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 states have internal predecessors, (79), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-13 22:56:52,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:56:52,774 INFO L93 Difference]: Finished difference Result 250 states and 305 transitions. [2022-07-13 22:56:52,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-13 22:56:52,775 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 states have internal predecessors, (79), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 215 [2022-07-13 22:56:52,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:56:52,776 INFO L225 Difference]: With dead ends: 250 [2022-07-13 22:56:52,776 INFO L226 Difference]: Without dead ends: 136 [2022-07-13 22:56:52,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2022-07-13 22:56:52,778 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 16 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 701 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 22:56:52,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 701 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 22:56:52,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2022-07-13 22:56:52,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 134. [2022-07-13 22:56:52,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 86 states have (on average 1.1511627906976745) internal successors, (99), 87 states have internal predecessors, (99), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2022-07-13 22:56:52,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 162 transitions. [2022-07-13 22:56:52,785 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 162 transitions. Word has length 215 [2022-07-13 22:56:52,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:56:52,786 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 162 transitions. [2022-07-13 22:56:52,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 states have internal predecessors, (79), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-13 22:56:52,786 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 162 transitions. [2022-07-13 22:56:52,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-07-13 22:56:52,789 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:56:52,789 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:56:52,812 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-13 22:56:53,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:56:53,011 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:56:53,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:56:53,011 INFO L85 PathProgramCache]: Analyzing trace with hash -980156036, now seen corresponding path program 1 times [2022-07-13 22:56:53,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:56:53,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836190697] [2022-07-13 22:56:53,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:56:53,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:56:53,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:53,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:56:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:53,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:56:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:53,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:53,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:56:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:53,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:56:53,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:53,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:56:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:53,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:56:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:53,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 22:56:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:53,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:53,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:53,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:53,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-13 22:56:53,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:53,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:53,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:53,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:53,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 22:56:53,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:53,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:53,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:53,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:53,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:53,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 22:56:53,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:53,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:53,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:53,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:53,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:53,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:56:53,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:53,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 22:56:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:53,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-13 22:56:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:53,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-13 22:56:53,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:53,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:53,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:53,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:53,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:53,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:53,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:53,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 22:56:53,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:53,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:53,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:53,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:56:53,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:53,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 22:56:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:53,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-13 22:56:53,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:53,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-13 22:56:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:53,340 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2022-07-13 22:56:53,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:56:53,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836190697] [2022-07-13 22:56:53,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836190697] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:56:53,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [804906370] [2022-07-13 22:56:53,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:56:53,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:56:53,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:56:53,342 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:56:53,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-13 22:56:53,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:53,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 3072 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-13 22:56:53,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:56:53,842 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-07-13 22:56:53,843 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 22:56:53,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [804906370] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:56:53,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 22:56:53,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-07-13 22:56:53,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986811352] [2022-07-13 22:56:53,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:56:53,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 22:56:53,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:56:53,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 22:56:53,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-07-13 22:56:53,846 INFO L87 Difference]: Start difference. First operand 134 states and 162 transitions. Second operand has 7 states, 6 states have (on average 13.5) internal successors, (81), 7 states have internal predecessors, (81), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-13 22:56:53,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:56:53,908 INFO L93 Difference]: Finished difference Result 250 states and 303 transitions. [2022-07-13 22:56:53,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-13 22:56:53,909 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.5) internal successors, (81), 7 states have internal predecessors, (81), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 217 [2022-07-13 22:56:53,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:56:53,910 INFO L225 Difference]: With dead ends: 250 [2022-07-13 22:56:53,910 INFO L226 Difference]: Without dead ends: 136 [2022-07-13 22:56:53,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2022-07-13 22:56:53,911 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 13 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 838 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 22:56:53,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 838 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 22:56:53,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2022-07-13 22:56:53,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 134. [2022-07-13 22:56:53,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 86 states have (on average 1.1395348837209303) internal successors, (98), 87 states have internal predecessors, (98), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2022-07-13 22:56:53,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 161 transitions. [2022-07-13 22:56:53,926 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 161 transitions. Word has length 217 [2022-07-13 22:56:53,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:56:53,926 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 161 transitions. [2022-07-13 22:56:53,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.5) internal successors, (81), 7 states have internal predecessors, (81), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-13 22:56:53,927 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 161 transitions. [2022-07-13 22:56:53,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-07-13 22:56:53,928 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:56:53,928 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:56:53,951 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-07-13 22:56:54,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-07-13 22:56:54,149 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:56:54,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:56:54,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1598131906, now seen corresponding path program 1 times [2022-07-13 22:56:54,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:56:54,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994532133] [2022-07-13 22:56:54,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:56:54,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:56:54,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:54,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:56:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:54,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:56:54,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:54,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:54,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:56:54,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:54,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:56:54,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:54,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:56:54,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:54,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:56:54,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:54,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 22:56:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:54,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:54,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:54,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:54,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 22:56:54,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:54,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:54,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:54,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:54,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-13 22:56:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:54,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:54,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:54,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:54,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:54,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:54,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 22:56:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:54,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:54,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:54,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:54,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:54,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:56:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:54,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 22:56:54,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:54,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-13 22:56:54,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:54,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-13 22:56:54,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:54,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:54,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:54,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:54,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:54,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:54,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 22:56:54,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:54,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:54,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:54,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:54,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:54,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:56:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:54,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 22:56:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:54,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-13 22:56:54,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:54,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-13 22:56:54,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:54,511 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 6 proven. 47 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-07-13 22:56:54,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:56:54,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994532133] [2022-07-13 22:56:54,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994532133] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:56:54,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [189092939] [2022-07-13 22:56:54,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:56:54,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:56:54,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:56:54,513 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:56:54,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-07-13 22:56:54,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:54,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 3076 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-13 22:56:54,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:56:54,945 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-07-13 22:56:54,946 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 22:56:54,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [189092939] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:56:54,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 22:56:54,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 9 [2022-07-13 22:56:54,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375750690] [2022-07-13 22:56:54,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:56:54,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 22:56:54,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:56:54,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 22:56:54,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-13 22:56:54,948 INFO L87 Difference]: Start difference. First operand 134 states and 161 transitions. Second operand has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-13 22:56:54,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:56:54,989 INFO L93 Difference]: Finished difference Result 226 states and 280 transitions. [2022-07-13 22:56:54,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-13 22:56:54,989 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 219 [2022-07-13 22:56:54,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:56:54,990 INFO L225 Difference]: With dead ends: 226 [2022-07-13 22:56:54,990 INFO L226 Difference]: Without dead ends: 134 [2022-07-13 22:56:54,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-07-13 22:56:54,991 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 6 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 732 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 22:56:54,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 732 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 22:56:54,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2022-07-13 22:56:54,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2022-07-13 22:56:54,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 86 states have (on average 1.127906976744186) internal successors, (97), 87 states have internal predecessors, (97), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2022-07-13 22:56:54,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 160 transitions. [2022-07-13 22:56:54,998 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 160 transitions. Word has length 219 [2022-07-13 22:56:54,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:56:54,998 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 160 transitions. [2022-07-13 22:56:54,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-13 22:56:54,999 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 160 transitions. [2022-07-13 22:56:55,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-07-13 22:56:55,000 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:56:55,000 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:56:55,021 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-07-13 22:56:55,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:56:55,217 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:56:55,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:56:55,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1516765550, now seen corresponding path program 1 times [2022-07-13 22:56:55,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:56:55,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432322079] [2022-07-13 22:56:55,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:56:55,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:56:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:55,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:56:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:55,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:56:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:55,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:55,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:55,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:56:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:55,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:56:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:55,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:56:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:55,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:56:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:55,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 22:56:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:55,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:55,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:55,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:55,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 22:56:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:55,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:55,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:55,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:55,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-13 22:56:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:55,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:55,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:55,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:55,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:56:55,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:55,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:55,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:55,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:55,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:55,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-13 22:56:55,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:55,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-13 22:56:55,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:55,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-13 22:56:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:55,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-13 22:56:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:55,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:55,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:55,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:55,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:55,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:56:55,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:55,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:55,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:55,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-13 22:56:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:55,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-13 22:56:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:55,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-13 22:56:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:55,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-13 22:56:55,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:55,543 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 8 proven. 50 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2022-07-13 22:56:55,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:56:55,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432322079] [2022-07-13 22:56:55,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432322079] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:56:55,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135720456] [2022-07-13 22:56:55,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:56:55,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:56:55,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:56:55,545 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:56:55,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-07-13 22:56:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:55,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 3084 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-13 22:56:55,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:56:56,020 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2022-07-13 22:56:56,021 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 22:56:56,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2135720456] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:56:56,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 22:56:56,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-07-13 22:56:56,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698189168] [2022-07-13 22:56:56,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:56:56,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 22:56:56,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:56:56,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 22:56:56,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-07-13 22:56:56,023 INFO L87 Difference]: Start difference. First operand 134 states and 160 transitions. Second operand has 7 states, 6 states have (on average 14.0) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-13 22:56:56,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:56:56,076 INFO L93 Difference]: Finished difference Result 226 states and 278 transitions. [2022-07-13 22:56:56,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-13 22:56:56,077 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.0) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 223 [2022-07-13 22:56:56,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:56:56,078 INFO L225 Difference]: With dead ends: 226 [2022-07-13 22:56:56,078 INFO L226 Difference]: Without dead ends: 134 [2022-07-13 22:56:56,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2022-07-13 22:56:56,078 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 13 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 22:56:56,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 707 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 22:56:56,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2022-07-13 22:56:56,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2022-07-13 22:56:56,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 86 states have (on average 1.1162790697674418) internal successors, (96), 87 states have internal predecessors, (96), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2022-07-13 22:56:56,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 159 transitions. [2022-07-13 22:56:56,083 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 159 transitions. Word has length 223 [2022-07-13 22:56:56,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:56:56,083 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 159 transitions. [2022-07-13 22:56:56,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.0) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-13 22:56:56,084 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2022-07-13 22:56:56,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2022-07-13 22:56:56,084 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:56:56,085 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:56:56,104 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-07-13 22:56:56,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-07-13 22:56:56,298 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:56:56,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:56:56,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1438687790, now seen corresponding path program 1 times [2022-07-13 22:56:56,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:56:56,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654825354] [2022-07-13 22:56:56,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:56:56,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:56:56,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:56,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:56:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:56,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:56:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:56,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:56,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:56:56,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:56,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:56:56,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:56,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:56:56,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:56,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:56:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:56,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 22:56:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:56,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:56,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:56,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:56,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 22:56:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:56,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:56,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:56,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-13 22:56:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:56,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:56,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:56,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:56,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-13 22:56:56,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:56,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:56,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:56,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:56,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:56,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 22:56:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:56,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-13 22:56:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:56,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-13 22:56:56,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:56,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-13 22:56:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:56,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:56,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:56,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:56,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:56,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:56,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-13 22:56:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:56,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:56,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:56,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:56,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:56,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 22:56:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:56,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-13 22:56:56,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:56,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-13 22:56:56,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:56,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-13 22:56:56,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:56,633 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 10 proven. 53 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2022-07-13 22:56:56,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:56:56,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654825354] [2022-07-13 22:56:56,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654825354] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:56:56,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1847769279] [2022-07-13 22:56:56,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:56:56,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:56:56,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:56:56,650 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:56:56,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-07-13 22:56:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:57,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 3092 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-13 22:56:57,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:56:57,093 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2022-07-13 22:56:57,093 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 22:56:57,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1847769279] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:56:57,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 22:56:57,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-07-13 22:56:57,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439213285] [2022-07-13 22:56:57,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:56:57,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 22:56:57,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:56:57,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 22:56:57,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-07-13 22:56:57,095 INFO L87 Difference]: Start difference. First operand 134 states and 159 transitions. Second operand has 7 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-13 22:56:57,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:56:57,158 INFO L93 Difference]: Finished difference Result 226 states and 276 transitions. [2022-07-13 22:56:57,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-13 22:56:57,158 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 227 [2022-07-13 22:56:57,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:56:57,159 INFO L225 Difference]: With dead ends: 226 [2022-07-13 22:56:57,159 INFO L226 Difference]: Without dead ends: 134 [2022-07-13 22:56:57,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2022-07-13 22:56:57,160 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 11 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 704 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 22:56:57,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 704 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 22:56:57,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2022-07-13 22:56:57,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2022-07-13 22:56:57,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 86 states have (on average 1.1046511627906976) internal successors, (95), 87 states have internal predecessors, (95), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2022-07-13 22:56:57,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 158 transitions. [2022-07-13 22:56:57,165 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 158 transitions. Word has length 227 [2022-07-13 22:56:57,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:56:57,165 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 158 transitions. [2022-07-13 22:56:57,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-13 22:56:57,166 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 158 transitions. [2022-07-13 22:56:57,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-07-13 22:56:57,167 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:56:57,167 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:56:57,186 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-07-13 22:56:57,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-07-13 22:56:57,383 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:56:57,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:56:57,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1444317550, now seen corresponding path program 1 times [2022-07-13 22:56:57,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:56:57,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198205275] [2022-07-13 22:56:57,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:56:57,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:56:57,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:57,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:56:57,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:57,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:56:57,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:57,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:57,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:56:57,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:57,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:56:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:57,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:56:57,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:57,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:56:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:57,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 22:56:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:57,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:57,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:57,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:57,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:57,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 22:56:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:57,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:57,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:57,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:57,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:57,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-13 22:56:57,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:57,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:57,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:57,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:57,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:57,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:57,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 22:56:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:57,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:57,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:57,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:57,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 22:56:57,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:57,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-13 22:56:57,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:57,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-13 22:56:57,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:57,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-13 22:56:57,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:57,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:57,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:57,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:57,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:57,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:57,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 22:56:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:57,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:57,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:57,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:57,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 22:56:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:57,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-13 22:56:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:57,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-13 22:56:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:57,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-13 22:56:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:57,730 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 12 proven. 56 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2022-07-13 22:56:57,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:56:57,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198205275] [2022-07-13 22:56:57,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198205275] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:56:57,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242189516] [2022-07-13 22:56:57,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:56:57,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:56:57,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:56:57,732 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:56:57,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-07-13 22:56:58,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:58,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 3100 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-13 22:56:58,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:56:58,183 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-07-13 22:56:58,183 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 22:56:58,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1242189516] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:56:58,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 22:56:58,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-07-13 22:56:58,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070613949] [2022-07-13 22:56:58,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:56:58,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 22:56:58,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:56:58,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 22:56:58,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-07-13 22:56:58,185 INFO L87 Difference]: Start difference. First operand 134 states and 158 transitions. Second operand has 7 states, 6 states have (on average 14.666666666666666) internal successors, (88), 7 states have internal predecessors, (88), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-13 22:56:58,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:56:58,250 INFO L93 Difference]: Finished difference Result 226 states and 274 transitions. [2022-07-13 22:56:58,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-13 22:56:58,250 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.666666666666666) internal successors, (88), 7 states have internal predecessors, (88), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 231 [2022-07-13 22:56:58,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:56:58,251 INFO L225 Difference]: With dead ends: 226 [2022-07-13 22:56:58,251 INFO L226 Difference]: Without dead ends: 134 [2022-07-13 22:56:58,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2022-07-13 22:56:58,252 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 9 mSDsluCounter, 697 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 22:56:58,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 841 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 22:56:58,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2022-07-13 22:56:58,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2022-07-13 22:56:58,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 86 states have (on average 1.0930232558139534) internal successors, (94), 87 states have internal predecessors, (94), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2022-07-13 22:56:58,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 157 transitions. [2022-07-13 22:56:58,256 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 157 transitions. Word has length 231 [2022-07-13 22:56:58,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:56:58,256 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 157 transitions. [2022-07-13 22:56:58,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.666666666666666) internal successors, (88), 7 states have internal predecessors, (88), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-13 22:56:58,256 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 157 transitions. [2022-07-13 22:56:58,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-07-13 22:56:58,257 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:56:58,257 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:56:58,279 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-07-13 22:56:58,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-07-13 22:56:58,467 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:56:58,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:56:58,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1472716574, now seen corresponding path program 1 times [2022-07-13 22:56:58,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:56:58,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049487121] [2022-07-13 22:56:58,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:56:58,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:56:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:58,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:56:58,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:58,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:56:58,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:58,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:58,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:58,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:56:58,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:58,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:56:58,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:58,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:56:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:58,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:56:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:58,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 22:56:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:58,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:58,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:58,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:58,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:58,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 22:56:58,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:58,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:58,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:58,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:58,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-13 22:56:58,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:58,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:58,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:58,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:58,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:58,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:58,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:56:58,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:58,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:58,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:58,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:58,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:58,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 22:56:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:58,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 22:56:58,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:58,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-13 22:56:58,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:58,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-13 22:56:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:58,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:58,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:58,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:58,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:58,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:56:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:58,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:58,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:58,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:58,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 22:56:58,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:58,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 22:56:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:58,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-13 22:56:58,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:58,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-13 22:56:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:58,773 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2022-07-13 22:56:58,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:56:58,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049487121] [2022-07-13 22:56:58,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049487121] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:56:58,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 22:56:58,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 22:56:58,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874051186] [2022-07-13 22:56:58,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:56:58,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 22:56:58,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:56:58,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 22:56:58,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-13 22:56:58,776 INFO L87 Difference]: Start difference. First operand 134 states and 157 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-07-13 22:56:59,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:56:59,064 INFO L93 Difference]: Finished difference Result 177 states and 205 transitions. [2022-07-13 22:56:59,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-13 22:56:59,064 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 235 [2022-07-13 22:56:59,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:56:59,065 INFO L225 Difference]: With dead ends: 177 [2022-07-13 22:56:59,065 INFO L226 Difference]: Without dead ends: 137 [2022-07-13 22:56:59,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-13 22:56:59,066 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 129 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 22:56:59,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 243 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-13 22:56:59,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-07-13 22:56:59,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 135. [2022-07-13 22:56:59,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 87 states have (on average 1.0919540229885059) internal successors, (95), 88 states have internal predecessors, (95), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2022-07-13 22:56:59,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 158 transitions. [2022-07-13 22:56:59,070 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 158 transitions. Word has length 235 [2022-07-13 22:56:59,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:56:59,071 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 158 transitions. [2022-07-13 22:56:59,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-07-13 22:56:59,071 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 158 transitions. [2022-07-13 22:56:59,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-07-13 22:56:59,073 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:56:59,074 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:56:59,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-13 22:56:59,074 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:56:59,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:56:59,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1475179209, now seen corresponding path program 1 times [2022-07-13 22:56:59,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:56:59,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351215382] [2022-07-13 22:56:59,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:56:59,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:56:59,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:59,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:56:59,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:59,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:56:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:59,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:59,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:56:59,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:59,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:56:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:59,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:56:59,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:59,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:56:59,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:59,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 22:56:59,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:59,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:59,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:59,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:59,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:59,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 22:56:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:59,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:59,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:59,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:59,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:59,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-13 22:56:59,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:59,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:59,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:59,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:59,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:59,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:59,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:59,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:56:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:59,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:59,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:59,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:59,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:59,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 22:56:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:59,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 22:56:59,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:59,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-13 22:56:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:59,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-13 22:56:59,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:59,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:59,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:59,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:59,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:59,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:59,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:56:59,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:59,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:59,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:59,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:56:59,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:59,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 22:56:59,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:59,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 22:56:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:59,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-13 22:56:59,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:59,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-13 22:56:59,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:59,545 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2022-07-13 22:56:59,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:56:59,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351215382] [2022-07-13 22:56:59,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351215382] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:56:59,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639671870] [2022-07-13 22:56:59,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:56:59,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:56:59,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:56:59,547 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:56:59,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-07-13 22:56:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:56:59,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 3127 conjuncts, 40 conjunts are in the unsatisfiable core [2022-07-13 22:56:59,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:57:00,083 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-07-13 22:57:00,089 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-07-13 22:57:00,152 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-07-13 22:57:00,154 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-07-13 22:57:00,187 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-07-13 22:57:00,187 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 22:57:00,296 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2022-07-13 22:57:00,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-13 22:57:00,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-13 22:57:00,361 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2022-07-13 22:57:00,364 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 22 [2022-07-13 22:57:00,369 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2022-07-13 22:57:00,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-13 22:57:00,575 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2022-07-13 22:57:00,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [639671870] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 22:57:00,575 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 22:57:00,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 9] total 23 [2022-07-13 22:57:00,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725552599] [2022-07-13 22:57:00,575 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 22:57:00,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-07-13 22:57:00,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:57:00,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-07-13 22:57:00,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=453, Unknown=0, NotChecked=0, Total=506 [2022-07-13 22:57:00,577 INFO L87 Difference]: Start difference. First operand 135 states and 158 transitions. Second operand has 23 states, 22 states have (on average 4.681818181818182) internal successors, (103), 19 states have internal predecessors, (103), 5 states have call successors, (39), 5 states have call predecessors, (39), 4 states have return successors, (36), 6 states have call predecessors, (36), 4 states have call successors, (36) [2022-07-13 22:57:01,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:57:01,721 INFO L93 Difference]: Finished difference Result 191 states and 222 transitions. [2022-07-13 22:57:01,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-13 22:57:01,722 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 4.681818181818182) internal successors, (103), 19 states have internal predecessors, (103), 5 states have call successors, (39), 5 states have call predecessors, (39), 4 states have return successors, (36), 6 states have call predecessors, (36), 4 states have call successors, (36) Word has length 236 [2022-07-13 22:57:01,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:57:01,723 INFO L225 Difference]: With dead ends: 191 [2022-07-13 22:57:01,723 INFO L226 Difference]: Without dead ends: 151 [2022-07-13 22:57:01,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 563 GetRequests, 527 SyntacticMatches, 3 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=138, Invalid=1052, Unknown=0, NotChecked=0, Total=1190 [2022-07-13 22:57:01,725 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 182 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 1985 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 2098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 1985 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-13 22:57:01,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 545 Invalid, 2098 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 1985 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-13 22:57:01,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2022-07-13 22:57:01,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 140. [2022-07-13 22:57:01,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 91 states have (on average 1.0879120879120878) internal successors, (99), 92 states have internal predecessors, (99), 32 states have call successors, (32), 16 states have call predecessors, (32), 16 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2022-07-13 22:57:01,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 162 transitions. [2022-07-13 22:57:01,731 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 162 transitions. Word has length 236 [2022-07-13 22:57:01,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:57:01,731 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 162 transitions. [2022-07-13 22:57:01,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 4.681818181818182) internal successors, (103), 19 states have internal predecessors, (103), 5 states have call successors, (39), 5 states have call predecessors, (39), 4 states have return successors, (36), 6 states have call predecessors, (36), 4 states have call successors, (36) [2022-07-13 22:57:01,731 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 162 transitions. [2022-07-13 22:57:01,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-07-13 22:57:01,732 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:57:01,733 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-13 22:57:01,754 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-07-13 22:57:01,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-07-13 22:57:01,947 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:57:01,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:57:01,948 INFO L85 PathProgramCache]: Analyzing trace with hash 963785753, now seen corresponding path program 1 times [2022-07-13 22:57:01,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:57:01,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386645326] [2022-07-13 22:57:01,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:01,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:57:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:02,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:57:02,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:02,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:57:02,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:02,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:02,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:57:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:02,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:57:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:02,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:57:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:02,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:57:02,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:02,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 22:57:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:02,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:02,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:02,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:02,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 22:57:02,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:02,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:02,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:02,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:02,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-13 22:57:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:02,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:02,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:02,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:02,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:02,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:02,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:02,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:02,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:02,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 22:57:02,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:02,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 22:57:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:02,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-13 22:57:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:02,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-13 22:57:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:02,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:02,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:02,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:02,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:02,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:02,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:02,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:02,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:02,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:02,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:02,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:02,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 22:57:02,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:02,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 22:57:02,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:02,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-13 22:57:02,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:02,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-13 22:57:02,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:02,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-13 22:57:02,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:02,295 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2022-07-13 22:57:02,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:57:02,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386645326] [2022-07-13 22:57:02,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386645326] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:57:02,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [249714759] [2022-07-13 22:57:02,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:02,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:57:02,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:57:02,298 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) [2022-07-13 22:57:02,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-07-13 22:57:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:02,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 3159 conjuncts, 61 conjunts are in the unsatisfiable core [2022-07-13 22:57:02,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:57:02,794 INFO L390 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 [2022-07-13 22:57:03,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-13 22:57:03,117 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2022-07-13 22:57:03,535 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 176 proven. 9 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2022-07-13 22:57:03,535 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 22:57:04,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [249714759] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:57:04,805 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-13 22:57:04,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 18] total 24 [2022-07-13 22:57:04,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160437657] [2022-07-13 22:57:04,805 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-13 22:57:04,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-07-13 22:57:04,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:57:04,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-07-13 22:57:04,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1079, Unknown=1, NotChecked=0, Total=1190 [2022-07-13 22:57:04,807 INFO L87 Difference]: Start difference. First operand 140 states and 162 transitions. Second operand has 24 states, 23 states have (on average 7.739130434782608) internal successors, (178), 19 states have internal predecessors, (178), 9 states have call successors, (52), 6 states have call predecessors, (52), 10 states have return successors, (52), 10 states have call predecessors, (52), 9 states have call successors, (52) [2022-07-13 22:57:05,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:57:05,511 INFO L93 Difference]: Finished difference Result 295 states and 341 transitions. [2022-07-13 22:57:05,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-07-13 22:57:05,512 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 7.739130434782608) internal successors, (178), 19 states have internal predecessors, (178), 9 states have call successors, (52), 6 states have call predecessors, (52), 10 states have return successors, (52), 10 states have call predecessors, (52), 9 states have call successors, (52) Word has length 243 [2022-07-13 22:57:05,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:57:05,513 INFO L225 Difference]: With dead ends: 295 [2022-07-13 22:57:05,513 INFO L226 Difference]: Without dead ends: 194 [2022-07-13 22:57:05,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 498 GetRequests, 440 SyntacticMatches, 14 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 492 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=184, Invalid=1885, Unknown=1, NotChecked=0, Total=2070 [2022-07-13 22:57:05,514 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 151 mSDsluCounter, 734 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 881 SdHoareTripleChecker+Invalid, 1359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 564 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-13 22:57:05,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 881 Invalid, 1359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 700 Invalid, 0 Unknown, 564 Unchecked, 0.4s Time] [2022-07-13 22:57:05,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2022-07-13 22:57:05,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 186. [2022-07-13 22:57:05,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 125 states have (on average 1.088) internal successors, (136), 125 states have internal predecessors, (136), 38 states have call successors, (38), 23 states have call predecessors, (38), 22 states have return successors, (39), 37 states have call predecessors, (39), 37 states have call successors, (39) [2022-07-13 22:57:05,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 213 transitions. [2022-07-13 22:57:05,522 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 213 transitions. Word has length 243 [2022-07-13 22:57:05,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:57:05,522 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 213 transitions. [2022-07-13 22:57:05,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 7.739130434782608) internal successors, (178), 19 states have internal predecessors, (178), 9 states have call successors, (52), 6 states have call predecessors, (52), 10 states have return successors, (52), 10 states have call predecessors, (52), 9 states have call successors, (52) [2022-07-13 22:57:05,522 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 213 transitions. [2022-07-13 22:57:05,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-07-13 22:57:05,523 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:57:05,523 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:57:05,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-07-13 22:57:05,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:57:05,739 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:57:05,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:57:05,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1496271088, now seen corresponding path program 1 times [2022-07-13 22:57:05,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:57:05,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610632061] [2022-07-13 22:57:05,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:05,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:57:05,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:05,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:57:05,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:05,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:57:05,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:05,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:05,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:05,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:57:05,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:05,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:57:05,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:05,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:57:05,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:05,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:57:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:05,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 22:57:05,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:05,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:05,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:05,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:05,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 22:57:05,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:05,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:05,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:05,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:05,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-13 22:57:05,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:05,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:05,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:05,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:05,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:05,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:05,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:05,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:05,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:05,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:05,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:05,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:05,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:05,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 22:57:05,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:05,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 22:57:05,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:05,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-13 22:57:05,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:05,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-13 22:57:05,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:06,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:06,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:06,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:06,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:06,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:06,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:06,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:06,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 22:57:06,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:06,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 22:57:06,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:06,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-13 22:57:06,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:06,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-13 22:57:06,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:06,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-13 22:57:06,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:06,141 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2022-07-13 22:57:06,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:57:06,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610632061] [2022-07-13 22:57:06,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610632061] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:57:06,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454001406] [2022-07-13 22:57:06,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:06,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:57:06,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:57:06,143 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) [2022-07-13 22:57:06,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-07-13 22:57:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:06,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 3183 conjuncts, 48 conjunts are in the unsatisfiable core [2022-07-13 22:57:06,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:57:06,641 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-07-13 22:57:07,079 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 165 proven. 6 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-07-13 22:57:07,080 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 22:57:07,526 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2022-07-13 22:57:07,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [454001406] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 22:57:07,526 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 22:57:07,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13, 10] total 27 [2022-07-13 22:57:07,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977689211] [2022-07-13 22:57:07,526 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 22:57:07,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-07-13 22:57:07,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:57:07,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-07-13 22:57:07,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2022-07-13 22:57:07,528 INFO L87 Difference]: Start difference. First operand 186 states and 213 transitions. Second operand has 27 states, 25 states have (on average 6.96) internal successors, (174), 23 states have internal predecessors, (174), 13 states have call successors, (61), 5 states have call predecessors, (61), 7 states have return successors, (60), 10 states have call predecessors, (60), 13 states have call successors, (60) [2022-07-13 22:57:09,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:57:09,333 INFO L93 Difference]: Finished difference Result 370 states and 437 transitions. [2022-07-13 22:57:09,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-07-13 22:57:09,334 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 25 states have (on average 6.96) internal successors, (174), 23 states have internal predecessors, (174), 13 states have call successors, (61), 5 states have call predecessors, (61), 7 states have return successors, (60), 10 states have call predecessors, (60), 13 states have call successors, (60) Word has length 244 [2022-07-13 22:57:09,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:57:09,336 INFO L225 Difference]: With dead ends: 370 [2022-07-13 22:57:09,336 INFO L226 Difference]: Without dead ends: 295 [2022-07-13 22:57:09,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 589 GetRequests, 542 SyntacticMatches, 3 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 357 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=243, Invalid=1827, Unknown=0, NotChecked=0, Total=2070 [2022-07-13 22:57:09,337 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 301 mSDsluCounter, 1026 mSDsCounter, 0 mSdLazyCounter, 2508 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 1204 SdHoareTripleChecker+Invalid, 3387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 2508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 712 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-13 22:57:09,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 1204 Invalid, 3387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 2508 Invalid, 0 Unknown, 712 Unchecked, 1.3s Time] [2022-07-13 22:57:09,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2022-07-13 22:57:09,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 245. [2022-07-13 22:57:09,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 169 states have (on average 1.0946745562130178) internal successors, (185), 170 states have internal predecessors, (185), 46 states have call successors, (46), 29 states have call predecessors, (46), 29 states have return successors, (49), 45 states have call predecessors, (49), 45 states have call successors, (49) [2022-07-13 22:57:09,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 280 transitions. [2022-07-13 22:57:09,349 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 280 transitions. Word has length 244 [2022-07-13 22:57:09,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:57:09,351 INFO L495 AbstractCegarLoop]: Abstraction has 245 states and 280 transitions. [2022-07-13 22:57:09,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 25 states have (on average 6.96) internal successors, (174), 23 states have internal predecessors, (174), 13 states have call successors, (61), 5 states have call predecessors, (61), 7 states have return successors, (60), 10 states have call predecessors, (60), 13 states have call successors, (60) [2022-07-13 22:57:09,352 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 280 transitions. [2022-07-13 22:57:09,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-07-13 22:57:09,353 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:57:09,353 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:57:09,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-07-13 22:57:09,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-07-13 22:57:09,573 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:57:09,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:57:09,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1003857093, now seen corresponding path program 1 times [2022-07-13 22:57:09,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:57:09,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866488985] [2022-07-13 22:57:09,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:09,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:57:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:09,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:57:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:09,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:57:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:09,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:09,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:57:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:09,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:57:09,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:09,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:57:09,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:09,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:57:09,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:09,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 22:57:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:09,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:09,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:09,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:09,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 22:57:09,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:09,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:09,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:09,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:09,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-13 22:57:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:09,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:09,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:09,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:09,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:09,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:09,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:09,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:09,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:09,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:09,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 22:57:09,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:09,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 22:57:09,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:09,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-13 22:57:09,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:09,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-13 22:57:09,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:09,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:09,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:09,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:09,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:09,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:09,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:09,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:09,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:09,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:09,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:09,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 22:57:09,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:09,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 22:57:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:09,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-13 22:57:09,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:09,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-13 22:57:09,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:09,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-13 22:57:09,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:09,962 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2022-07-13 22:57:09,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:57:09,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866488985] [2022-07-13 22:57:09,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866488985] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:57:09,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1101868691] [2022-07-13 22:57:09,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:09,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:57:09,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:57:09,964 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) [2022-07-13 22:57:09,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-07-13 22:57:10,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:10,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 3202 conjuncts, 65 conjunts are in the unsatisfiable core [2022-07-13 22:57:10,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:57:10,448 INFO L390 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 [2022-07-13 22:57:10,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-13 22:57:10,835 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2022-07-13 22:57:11,195 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 175 proven. 5 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-07-13 22:57:11,196 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 22:57:12,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1101868691] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:57:12,353 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-13 22:57:12,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16] total 24 [2022-07-13 22:57:12,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340981914] [2022-07-13 22:57:12,353 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-13 22:57:12,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-07-13 22:57:12,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:57:12,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-07-13 22:57:12,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=1015, Unknown=1, NotChecked=0, Total=1122 [2022-07-13 22:57:12,355 INFO L87 Difference]: Start difference. First operand 245 states and 280 transitions. Second operand has 24 states, 23 states have (on average 7.695652173913044) internal successors, (177), 19 states have internal predecessors, (177), 8 states have call successors, (52), 5 states have call predecessors, (52), 8 states have return successors, (52), 9 states have call predecessors, (52), 8 states have call successors, (52) [2022-07-13 22:57:13,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:57:13,186 INFO L93 Difference]: Finished difference Result 428 states and 492 transitions. [2022-07-13 22:57:13,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-07-13 22:57:13,186 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 7.695652173913044) internal successors, (177), 19 states have internal predecessors, (177), 8 states have call successors, (52), 5 states have call predecessors, (52), 8 states have return successors, (52), 9 states have call predecessors, (52), 8 states have call successors, (52) Word has length 245 [2022-07-13 22:57:13,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:57:13,187 INFO L225 Difference]: With dead ends: 428 [2022-07-13 22:57:13,188 INFO L226 Difference]: Without dead ends: 258 [2022-07-13 22:57:13,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 504 GetRequests, 449 SyntacticMatches, 12 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 417 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=177, Invalid=1802, Unknown=1, NotChecked=0, Total=1980 [2022-07-13 22:57:13,189 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 157 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 1167 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 2376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 1167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1117 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-13 22:57:13,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 887 Invalid, 2376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 1167 Invalid, 0 Unknown, 1117 Unchecked, 0.6s Time] [2022-07-13 22:57:13,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2022-07-13 22:57:13,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 255. [2022-07-13 22:57:13,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 177 states have (on average 1.0903954802259888) internal successors, (193), 177 states have internal predecessors, (193), 47 states have call successors, (47), 30 states have call predecessors, (47), 30 states have return successors, (50), 47 states have call predecessors, (50), 46 states have call successors, (50) [2022-07-13 22:57:13,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 290 transitions. [2022-07-13 22:57:13,199 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 290 transitions. Word has length 245 [2022-07-13 22:57:13,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:57:13,199 INFO L495 AbstractCegarLoop]: Abstraction has 255 states and 290 transitions. [2022-07-13 22:57:13,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 7.695652173913044) internal successors, (177), 19 states have internal predecessors, (177), 8 states have call successors, (52), 5 states have call predecessors, (52), 8 states have return successors, (52), 9 states have call predecessors, (52), 8 states have call successors, (52) [2022-07-13 22:57:13,200 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 290 transitions. [2022-07-13 22:57:13,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-07-13 22:57:13,200 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:57:13,201 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:57:13,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-07-13 22:57:13,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:57:13,420 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:57:13,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:57:13,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1920336082, now seen corresponding path program 1 times [2022-07-13 22:57:13,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:57:13,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110180395] [2022-07-13 22:57:13,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:13,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:57:13,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:13,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:57:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:13,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:57:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:13,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:13,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:57:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:13,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:57:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:13,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:57:13,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:13,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:57:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:13,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 22:57:13,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:13,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:13,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:13,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:13,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 22:57:13,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:13,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:13,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:13,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-13 22:57:13,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:13,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:13,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:13,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:13,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:13,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:13,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:13,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:13,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:13,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 22:57:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:13,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 22:57:13,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:13,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-13 22:57:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:13,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-13 22:57:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:13,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:13,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:13,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:13,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:13,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:13,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:13,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:13,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:13,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:13,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 22:57:13,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:13,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 22:57:13,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:13,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-13 22:57:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:13,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-13 22:57:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:13,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-13 22:57:13,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:13,834 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2022-07-13 22:57:13,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:57:13,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110180395] [2022-07-13 22:57:13,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110180395] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:57:13,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128574573] [2022-07-13 22:57:13,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:13,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:57:13,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:57:13,836 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:57:13,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-07-13 22:57:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:14,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 3226 conjuncts, 57 conjunts are in the unsatisfiable core [2022-07-13 22:57:14,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:57:14,329 INFO L390 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 [2022-07-13 22:57:14,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-13 22:57:14,694 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2022-07-13 22:57:15,068 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-07-13 22:57:15,068 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 22:57:15,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128574573] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:57:15,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 22:57:15,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [11] total 26 [2022-07-13 22:57:15,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85571304] [2022-07-13 22:57:15,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:57:15,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-13 22:57:15,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:57:15,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-13 22:57:15,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=580, Unknown=0, NotChecked=0, Total=650 [2022-07-13 22:57:15,070 INFO L87 Difference]: Start difference. First operand 255 states and 290 transitions. Second operand has 17 states, 17 states have (on average 6.882352941176471) internal successors, (117), 14 states have internal predecessors, (117), 8 states have call successors, (30), 3 states have call predecessors, (30), 8 states have return successors, (30), 11 states have call predecessors, (30), 8 states have call successors, (30) [2022-07-13 22:57:15,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:57:15,141 INFO L93 Difference]: Finished difference Result 382 states and 432 transitions. [2022-07-13 22:57:15,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-13 22:57:15,142 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.882352941176471) internal successors, (117), 14 states have internal predecessors, (117), 8 states have call successors, (30), 3 states have call predecessors, (30), 8 states have return successors, (30), 11 states have call predecessors, (30), 8 states have call successors, (30) Word has length 246 [2022-07-13 22:57:15,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:57:15,143 INFO L225 Difference]: With dead ends: 382 [2022-07-13 22:57:15,143 INFO L226 Difference]: Without dead ends: 247 [2022-07-13 22:57:15,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 287 SyntacticMatches, 13 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=70, Invalid=580, Unknown=0, NotChecked=0, Total=650 [2022-07-13 22:57:15,144 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 41 mSDsluCounter, 739 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 870 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 245 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 22:57:15,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 870 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 59 Invalid, 0 Unknown, 245 Unchecked, 0.0s Time] [2022-07-13 22:57:15,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2022-07-13 22:57:15,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2022-07-13 22:57:15,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 170 states have (on average 1.088235294117647) internal successors, (185), 170 states have internal predecessors, (185), 47 states have call successors, (47), 30 states have call predecessors, (47), 29 states have return successors, (49), 46 states have call predecessors, (49), 46 states have call successors, (49) [2022-07-13 22:57:15,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 281 transitions. [2022-07-13 22:57:15,154 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 281 transitions. Word has length 246 [2022-07-13 22:57:15,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:57:15,155 INFO L495 AbstractCegarLoop]: Abstraction has 247 states and 281 transitions. [2022-07-13 22:57:15,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 6.882352941176471) internal successors, (117), 14 states have internal predecessors, (117), 8 states have call successors, (30), 3 states have call predecessors, (30), 8 states have return successors, (30), 11 states have call predecessors, (30), 8 states have call successors, (30) [2022-07-13 22:57:15,155 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 281 transitions. [2022-07-13 22:57:15,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-07-13 22:57:15,156 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:57:15,156 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:57:15,177 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2022-07-13 22:57:15,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:57:15,371 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:57:15,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:57:15,372 INFO L85 PathProgramCache]: Analyzing trace with hash 577386448, now seen corresponding path program 1 times [2022-07-13 22:57:15,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:57:15,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829148963] [2022-07-13 22:57:15,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:15,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:57:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:15,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:57:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:15,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:57:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:15,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:15,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:15,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:57:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:15,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:57:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:15,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:57:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:15,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:57:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:15,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 22:57:15,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:15,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:15,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:15,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:15,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 22:57:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:15,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:15,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:15,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-13 22:57:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:15,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:15,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:15,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:15,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:15,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:15,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:15,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:15,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:15,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:15,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:15,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 22:57:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:15,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 22:57:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:15,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-13 22:57:15,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:15,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-13 22:57:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:15,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:15,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:15,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:15,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:15,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:15,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:15,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:15,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:15,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:15,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 22:57:15,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:15,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 22:57:15,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:15,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-13 22:57:15,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:15,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-13 22:57:15,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:15,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-13 22:57:15,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:15,790 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2022-07-13 22:57:15,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:57:15,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829148963] [2022-07-13 22:57:15,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829148963] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:57:15,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1284844391] [2022-07-13 22:57:15,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:15,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:57:15,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:57:15,792 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:57:15,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-07-13 22:57:16,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:16,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 3211 conjuncts, 53 conjunts are in the unsatisfiable core [2022-07-13 22:57:16,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:57:16,302 INFO L390 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 [2022-07-13 22:57:16,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-13 22:57:16,672 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2022-07-13 22:57:17,111 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 176 proven. 9 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-07-13 22:57:17,111 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 22:57:18,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1284844391] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:57:18,400 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-13 22:57:18,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 18] total 27 [2022-07-13 22:57:18,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664413690] [2022-07-13 22:57:18,400 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-13 22:57:18,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-07-13 22:57:18,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:57:18,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-07-13 22:57:18,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=1286, Unknown=1, NotChecked=0, Total=1406 [2022-07-13 22:57:18,401 INFO L87 Difference]: Start difference. First operand 247 states and 281 transitions. Second operand has 27 states, 26 states have (on average 7.0) internal successors, (182), 22 states have internal predecessors, (182), 9 states have call successors, (52), 6 states have call predecessors, (52), 10 states have return successors, (52), 10 states have call predecessors, (52), 9 states have call successors, (52) [2022-07-13 22:57:19,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:57:19,108 INFO L93 Difference]: Finished difference Result 373 states and 426 transitions. [2022-07-13 22:57:19,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-07-13 22:57:19,108 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 7.0) internal successors, (182), 22 states have internal predecessors, (182), 9 states have call successors, (52), 6 states have call predecessors, (52), 10 states have return successors, (52), 10 states have call predecessors, (52), 9 states have call successors, (52) Word has length 246 [2022-07-13 22:57:19,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:57:19,110 INFO L225 Difference]: With dead ends: 373 [2022-07-13 22:57:19,110 INFO L226 Difference]: Without dead ends: 263 [2022-07-13 22:57:19,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 446 SyntacticMatches, 13 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 536 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=188, Invalid=2261, Unknown=1, NotChecked=0, Total=2450 [2022-07-13 22:57:19,111 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 131 mSDsluCounter, 891 mSDsCounter, 0 mSdLazyCounter, 702 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 1021 SdHoareTripleChecker+Invalid, 1523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 731 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-13 22:57:19,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 1021 Invalid, 1523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 702 Invalid, 0 Unknown, 731 Unchecked, 0.4s Time] [2022-07-13 22:57:19,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2022-07-13 22:57:19,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 256. [2022-07-13 22:57:19,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 178 states have (on average 1.0842696629213484) internal successors, (193), 178 states have internal predecessors, (193), 47 states have call successors, (47), 30 states have call predecessors, (47), 30 states have return successors, (49), 47 states have call predecessors, (49), 46 states have call successors, (49) [2022-07-13 22:57:19,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 289 transitions. [2022-07-13 22:57:19,121 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 289 transitions. Word has length 246 [2022-07-13 22:57:19,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:57:19,121 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 289 transitions. [2022-07-13 22:57:19,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 7.0) internal successors, (182), 22 states have internal predecessors, (182), 9 states have call successors, (52), 6 states have call predecessors, (52), 10 states have return successors, (52), 10 states have call predecessors, (52), 9 states have call successors, (52) [2022-07-13 22:57:19,121 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 289 transitions. [2022-07-13 22:57:19,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-07-13 22:57:19,122 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:57:19,123 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:57:19,145 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-07-13 22:57:19,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:57:19,335 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:57:19,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:57:19,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1383944979, now seen corresponding path program 1 times [2022-07-13 22:57:19,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:57:19,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007346633] [2022-07-13 22:57:19,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:19,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:57:19,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:19,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:57:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:19,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:57:19,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:19,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:19,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:19,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:57:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:19,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:57:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:19,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:57:19,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:19,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:57:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:19,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 22:57:19,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:19,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:19,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:19,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:19,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 22:57:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:19,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:19,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:19,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:19,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:19,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-13 22:57:19,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:19,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:19,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:19,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:19,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:19,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:19,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:19,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:19,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:19,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:19,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:19,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 22:57:19,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:19,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 22:57:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:19,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-13 22:57:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:19,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-13 22:57:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:19,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:19,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:19,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:19,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:19,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:19,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:19,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:19,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:19,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:19,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:19,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 22:57:19,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:19,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 22:57:19,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:19,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-13 22:57:19,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:19,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-13 22:57:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:19,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-13 22:57:19,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:19,711 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2022-07-13 22:57:19,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:57:19,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007346633] [2022-07-13 22:57:19,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007346633] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:57:19,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [253853318] [2022-07-13 22:57:19,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:19,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:57:19,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:57:19,713 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:57:19,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-07-13 22:57:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 3240 conjuncts, 19 conjunts are in the unsatisfiable core [2022-07-13 22:57:20,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:57:20,237 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2022-07-13 22:57:20,238 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 22:57:20,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [253853318] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:57:20,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 22:57:20,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12] total 19 [2022-07-13 22:57:20,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864977002] [2022-07-13 22:57:20,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:57:20,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 22:57:20,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:57:20,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 22:57:20,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2022-07-13 22:57:20,240 INFO L87 Difference]: Start difference. First operand 256 states and 289 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 8 states have internal predecessors, (107), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-13 22:57:20,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:57:20,292 INFO L93 Difference]: Finished difference Result 477 states and 553 transitions. [2022-07-13 22:57:20,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-13 22:57:20,294 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 8 states have internal predecessors, (107), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) Word has length 247 [2022-07-13 22:57:20,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:57:20,295 INFO L225 Difference]: With dead ends: 477 [2022-07-13 22:57:20,295 INFO L226 Difference]: Without dead ends: 322 [2022-07-13 22:57:20,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2022-07-13 22:57:20,296 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 22 mSDsluCounter, 896 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 1046 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 22:57:20,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 1046 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 22:57:20,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2022-07-13 22:57:20,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 298. [2022-07-13 22:57:20,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 216 states have (on average 1.0925925925925926) internal successors, (236), 217 states have internal predecessors, (236), 47 states have call successors, (47), 30 states have call predecessors, (47), 34 states have return successors, (55), 50 states have call predecessors, (55), 46 states have call successors, (55) [2022-07-13 22:57:20,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 338 transitions. [2022-07-13 22:57:20,307 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 338 transitions. Word has length 247 [2022-07-13 22:57:20,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:57:20,307 INFO L495 AbstractCegarLoop]: Abstraction has 298 states and 338 transitions. [2022-07-13 22:57:20,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 8 states have internal predecessors, (107), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-13 22:57:20,308 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 338 transitions. [2022-07-13 22:57:20,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-07-13 22:57:20,309 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:57:20,309 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:57:20,330 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2022-07-13 22:57:20,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:57:20,530 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:57:20,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:57:20,530 INFO L85 PathProgramCache]: Analyzing trace with hash -757915499, now seen corresponding path program 1 times [2022-07-13 22:57:20,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:57:20,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066687169] [2022-07-13 22:57:20,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:20,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:57:20,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:57:20,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:57:20,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:57:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:57:20,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:57:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:57:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 22:57:20,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:20,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:20,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 22:57:20,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-13 22:57:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:20,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:20,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:20,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 22:57:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 22:57:20,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-13 22:57:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-13 22:57:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:20,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:20,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:20,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 22:57:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 22:57:20,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-13 22:57:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-13 22:57:20,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-13 22:57:20,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:20,992 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2022-07-13 22:57:20,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:57:20,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066687169] [2022-07-13 22:57:20,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066687169] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:57:20,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802158321] [2022-07-13 22:57:20,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:20,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:57:20,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:57:20,994 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:57:20,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-07-13 22:57:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:21,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 3235 conjuncts, 25 conjunts are in the unsatisfiable core [2022-07-13 22:57:21,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:57:21,529 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-07-13 22:57:21,529 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 22:57:21,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [802158321] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:57:21,529 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 22:57:21,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 18 [2022-07-13 22:57:21,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133062537] [2022-07-13 22:57:21,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:57:21,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-13 22:57:21,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:57:21,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-13 22:57:21,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2022-07-13 22:57:21,530 INFO L87 Difference]: Start difference. First operand 298 states and 338 transitions. Second operand has 8 states, 7 states have (on average 15.714285714285714) internal successors, (110), 7 states have internal predecessors, (110), 3 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-13 22:57:21,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:57:21,596 INFO L93 Difference]: Finished difference Result 496 states and 569 transitions. [2022-07-13 22:57:21,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-13 22:57:21,597 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 15.714285714285714) internal successors, (110), 7 states have internal predecessors, (110), 3 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 247 [2022-07-13 22:57:21,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:57:21,598 INFO L225 Difference]: With dead ends: 496 [2022-07-13 22:57:21,598 INFO L226 Difference]: Without dead ends: 291 [2022-07-13 22:57:21,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2022-07-13 22:57:21,599 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 2 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 955 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 22:57:21,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 955 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 22:57:21,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2022-07-13 22:57:21,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 272. [2022-07-13 22:57:21,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 193 states have (on average 1.0932642487046633) internal successors, (211), 195 states have internal predecessors, (211), 46 states have call successors, (46), 29 states have call predecessors, (46), 32 states have return successors, (52), 47 states have call predecessors, (52), 45 states have call successors, (52) [2022-07-13 22:57:21,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 309 transitions. [2022-07-13 22:57:21,610 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 309 transitions. Word has length 247 [2022-07-13 22:57:21,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:57:21,610 INFO L495 AbstractCegarLoop]: Abstraction has 272 states and 309 transitions. [2022-07-13 22:57:21,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 15.714285714285714) internal successors, (110), 7 states have internal predecessors, (110), 3 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-13 22:57:21,611 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 309 transitions. [2022-07-13 22:57:21,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-07-13 22:57:21,612 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:57:21,612 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:57:21,633 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-07-13 22:57:21,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-07-13 22:57:21,833 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:57:21,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:57:21,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1385566811, now seen corresponding path program 2 times [2022-07-13 22:57:21,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:57:21,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553486036] [2022-07-13 22:57:21,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:21,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:57:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:21,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:57:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:21,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:57:21,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:21,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:21,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:57:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:21,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:57:21,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:21,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:57:21,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:21,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:57:21,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:21,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 22:57:21,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:21,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:21,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:21,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:21,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 22:57:22,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:22,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:22,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-13 22:57:22,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:22,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:22,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:22,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:22,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 22:57:22,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 22:57:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-13 22:57:22,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-13 22:57:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:22,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:22,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 22:57:22,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 22:57:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-13 22:57:22,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-13 22:57:22,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-13 22:57:22,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:22,223 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2022-07-13 22:57:22,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:57:22,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553486036] [2022-07-13 22:57:22,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553486036] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:57:22,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478218532] [2022-07-13 22:57:22,224 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-13 22:57:22,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:57:22,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:57:22,225 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:57:22,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-07-13 22:57:23,025 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-13 22:57:23,025 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-13 22:57:23,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 3230 conjuncts, 73 conjunts are in the unsatisfiable core [2022-07-13 22:57:23,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:57:23,095 INFO L390 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 [2022-07-13 22:57:23,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-13 22:57:23,470 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2022-07-13 22:57:24,046 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2022-07-13 22:57:24,046 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 22:57:24,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [478218532] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:57:24,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 22:57:24,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [12] total 28 [2022-07-13 22:57:24,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034786516] [2022-07-13 22:57:24,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:57:24,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-07-13 22:57:24,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:57:24,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-07-13 22:57:24,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=680, Unknown=0, NotChecked=0, Total=756 [2022-07-13 22:57:24,047 INFO L87 Difference]: Start difference. First operand 272 states and 309 transitions. Second operand has 18 states, 17 states have (on average 5.9411764705882355) internal successors, (101), 15 states have internal predecessors, (101), 9 states have call successors, (28), 3 states have call predecessors, (28), 8 states have return successors, (28), 12 states have call predecessors, (28), 9 states have call successors, (28) [2022-07-13 22:57:24,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:57:24,178 INFO L93 Difference]: Finished difference Result 391 states and 441 transitions. [2022-07-13 22:57:24,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-13 22:57:24,179 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 5.9411764705882355) internal successors, (101), 15 states have internal predecessors, (101), 9 states have call successors, (28), 3 states have call predecessors, (28), 8 states have return successors, (28), 12 states have call predecessors, (28), 9 states have call successors, (28) Word has length 247 [2022-07-13 22:57:24,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:57:24,180 INFO L225 Difference]: With dead ends: 391 [2022-07-13 22:57:24,180 INFO L226 Difference]: Without dead ends: 318 [2022-07-13 22:57:24,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 283 SyntacticMatches, 16 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=81, Invalid=731, Unknown=0, NotChecked=0, Total=812 [2022-07-13 22:57:24,181 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 23 mSDsluCounter, 1446 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 1583 SdHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 386 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 22:57:24,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 1583 Invalid, 501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 105 Invalid, 0 Unknown, 386 Unchecked, 0.1s Time] [2022-07-13 22:57:24,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2022-07-13 22:57:24,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 300. [2022-07-13 22:57:24,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 215 states have (on average 1.0883720930232559) internal successors, (234), 217 states have internal predecessors, (234), 48 states have call successors, (48), 33 states have call predecessors, (48), 36 states have return successors, (53), 49 states have call predecessors, (53), 47 states have call successors, (53) [2022-07-13 22:57:24,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 335 transitions. [2022-07-13 22:57:24,192 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 335 transitions. Word has length 247 [2022-07-13 22:57:24,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:57:24,192 INFO L495 AbstractCegarLoop]: Abstraction has 300 states and 335 transitions. [2022-07-13 22:57:24,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 5.9411764705882355) internal successors, (101), 15 states have internal predecessors, (101), 9 states have call successors, (28), 3 states have call predecessors, (28), 8 states have return successors, (28), 12 states have call predecessors, (28), 9 states have call successors, (28) [2022-07-13 22:57:24,192 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 335 transitions. [2022-07-13 22:57:24,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-07-13 22:57:24,193 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:57:24,194 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:57:24,216 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-07-13 22:57:24,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-07-13 22:57:24,411 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:57:24,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:57:24,412 INFO L85 PathProgramCache]: Analyzing trace with hash 356207513, now seen corresponding path program 1 times [2022-07-13 22:57:24,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:57:24,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203686085] [2022-07-13 22:57:24,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:24,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:57:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:57:24,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:57:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:24,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:57:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:57:24,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:57:24,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:57:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 22:57:24,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:24,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:24,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 22:57:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:24,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:24,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-13 22:57:24,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:24,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:24,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:24,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:24,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 22:57:24,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 22:57:24,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-13 22:57:24,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-13 22:57:24,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:24,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:24,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:24,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:24,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 22:57:24,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 22:57:24,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-13 22:57:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-13 22:57:24,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-13 22:57:24,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:24,816 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2022-07-13 22:57:24,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:57:24,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203686085] [2022-07-13 22:57:24,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203686085] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:57:24,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932955328] [2022-07-13 22:57:24,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:24,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:57:24,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:57:24,818 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:57:24,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-07-13 22:57:25,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:25,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 3235 conjuncts, 61 conjunts are in the unsatisfiable core [2022-07-13 22:57:25,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:57:25,338 INFO L390 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 [2022-07-13 22:57:25,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-13 22:57:25,720 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2022-07-13 22:57:26,130 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-13 22:57:26,131 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 22:57:26,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932955328] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:57:26,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 22:57:26,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [12] total 27 [2022-07-13 22:57:26,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594341919] [2022-07-13 22:57:26,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:57:26,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-13 22:57:26,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:57:26,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-13 22:57:26,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=629, Unknown=0, NotChecked=0, Total=702 [2022-07-13 22:57:26,133 INFO L87 Difference]: Start difference. First operand 300 states and 335 transitions. Second operand has 17 states, 17 states have (on average 6.882352941176471) internal successors, (117), 14 states have internal predecessors, (117), 8 states have call successors, (30), 3 states have call predecessors, (30), 8 states have return successors, (30), 11 states have call predecessors, (30), 8 states have call successors, (30) [2022-07-13 22:57:26,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:57:26,241 INFO L93 Difference]: Finished difference Result 388 states and 430 transitions. [2022-07-13 22:57:26,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-13 22:57:26,242 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.882352941176471) internal successors, (117), 14 states have internal predecessors, (117), 8 states have call successors, (30), 3 states have call predecessors, (30), 8 states have return successors, (30), 11 states have call predecessors, (30), 8 states have call successors, (30) Word has length 247 [2022-07-13 22:57:26,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:57:26,243 INFO L225 Difference]: With dead ends: 388 [2022-07-13 22:57:26,243 INFO L226 Difference]: Without dead ends: 234 [2022-07-13 22:57:26,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 288 SyntacticMatches, 12 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=73, Invalid=629, Unknown=0, NotChecked=0, Total=702 [2022-07-13 22:57:26,244 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 38 mSDsluCounter, 1163 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 1294 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 424 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 22:57:26,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 1294 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 104 Invalid, 0 Unknown, 424 Unchecked, 0.1s Time] [2022-07-13 22:57:26,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2022-07-13 22:57:26,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2022-07-13 22:57:26,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 165 states have (on average 1.0666666666666667) internal successors, (176), 166 states have internal predecessors, (176), 40 states have call successors, (40), 27 states have call predecessors, (40), 28 states have return successors, (41), 40 states have call predecessors, (41), 39 states have call successors, (41) [2022-07-13 22:57:26,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 257 transitions. [2022-07-13 22:57:26,260 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 257 transitions. Word has length 247 [2022-07-13 22:57:26,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:57:26,260 INFO L495 AbstractCegarLoop]: Abstraction has 234 states and 257 transitions. [2022-07-13 22:57:26,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 6.882352941176471) internal successors, (117), 14 states have internal predecessors, (117), 8 states have call successors, (30), 3 states have call predecessors, (30), 8 states have return successors, (30), 11 states have call predecessors, (30), 8 states have call successors, (30) [2022-07-13 22:57:26,261 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 257 transitions. [2022-07-13 22:57:26,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-07-13 22:57:26,262 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:57:26,262 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:57:26,285 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2022-07-13 22:57:26,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:57:26,483 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:57:26,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:57:26,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1775143209, now seen corresponding path program 2 times [2022-07-13 22:57:26,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:57:26,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812718385] [2022-07-13 22:57:26,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:26,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:57:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:57:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:57:26,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:57:26,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:57:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:57:26,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:57:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 22:57:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:26,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 22:57:26,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:26,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-13 22:57:26,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:26,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:26,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:26,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 22:57:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 22:57:26,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-13 22:57:26,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-13 22:57:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:26,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:26,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 22:57:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 22:57:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-13 22:57:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-13 22:57:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-13 22:57:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:26,884 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2022-07-13 22:57:26,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:57:26,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812718385] [2022-07-13 22:57:26,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812718385] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:57:26,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [329391652] [2022-07-13 22:57:26,885 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-13 22:57:26,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:57:26,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:57:26,886 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:57:26,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-07-13 22:57:27,719 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-13 22:57:27,719 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-13 22:57:27,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 3240 conjuncts, 35 conjunts are in the unsatisfiable core [2022-07-13 22:57:27,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:57:27,788 INFO L390 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 [2022-07-13 22:57:28,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-13 22:57:28,146 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2022-07-13 22:57:28,523 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2022-07-13 22:57:28,538 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2022-07-13 22:57:28,538 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 22:57:28,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [329391652] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:57:28,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 22:57:28,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 20 [2022-07-13 22:57:28,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790558622] [2022-07-13 22:57:28,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:57:28,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-13 22:57:28,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:57:28,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-13 22:57:28,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-07-13 22:57:28,539 INFO L87 Difference]: Start difference. First operand 234 states and 257 transitions. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 9 states have internal predecessors, (76), 7 states have call successors, (24), 3 states have call predecessors, (24), 4 states have return successors, (23), 8 states have call predecessors, (23), 7 states have call successors, (23) [2022-07-13 22:57:28,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:57:28,654 INFO L93 Difference]: Finished difference Result 303 states and 332 transitions. [2022-07-13 22:57:28,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-13 22:57:28,654 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 9 states have internal predecessors, (76), 7 states have call successors, (24), 3 states have call predecessors, (24), 4 states have return successors, (23), 8 states have call predecessors, (23), 7 states have call successors, (23) Word has length 247 [2022-07-13 22:57:28,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:57:28,655 INFO L225 Difference]: With dead ends: 303 [2022-07-13 22:57:28,655 INFO L226 Difference]: Without dead ends: 250 [2022-07-13 22:57:28,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 288 SyntacticMatches, 20 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-07-13 22:57:28,656 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 15 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 60 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 22:57:28,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 712 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 91 Invalid, 0 Unknown, 60 Unchecked, 0.1s Time] [2022-07-13 22:57:28,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2022-07-13 22:57:28,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2022-07-13 22:57:28,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 178 states have (on average 1.0674157303370786) internal successors, (190), 179 states have internal predecessors, (190), 41 states have call successors, (41), 28 states have call predecessors, (41), 30 states have return successors, (43), 42 states have call predecessors, (43), 40 states have call successors, (43) [2022-07-13 22:57:28,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 274 transitions. [2022-07-13 22:57:28,666 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 274 transitions. Word has length 247 [2022-07-13 22:57:28,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:57:28,667 INFO L495 AbstractCegarLoop]: Abstraction has 250 states and 274 transitions. [2022-07-13 22:57:28,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 9 states have internal predecessors, (76), 7 states have call successors, (24), 3 states have call predecessors, (24), 4 states have return successors, (23), 8 states have call predecessors, (23), 7 states have call successors, (23) [2022-07-13 22:57:28,667 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 274 transitions. [2022-07-13 22:57:28,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-07-13 22:57:28,668 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:57:28,668 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:57:28,690 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2022-07-13 22:57:28,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:57:28,883 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:57:28,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:57:28,884 INFO L85 PathProgramCache]: Analyzing trace with hash -322137189, now seen corresponding path program 1 times [2022-07-13 22:57:28,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:57:28,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968340116] [2022-07-13 22:57:28,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:28,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:57:28,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:57:29,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:57:29,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:29,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:57:29,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:57:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:57:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:57:29,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 22:57:29,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:29,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:29,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 22:57:29,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:29,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-13 22:57:29,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:29,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 22:57:29,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 22:57:29,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-13 22:57:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-13 22:57:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:29,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 22:57:29,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 22:57:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-13 22:57:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-13 22:57:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-13 22:57:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,277 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2022-07-13 22:57:29,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:57:29,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968340116] [2022-07-13 22:57:29,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968340116] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:57:29,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [487629965] [2022-07-13 22:57:29,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:29,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:57:29,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:57:29,278 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:57:29,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-07-13 22:57:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:29,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 3240 conjuncts, 61 conjunts are in the unsatisfiable core [2022-07-13 22:57:29,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:57:29,813 INFO L390 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 [2022-07-13 22:57:30,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-13 22:57:30,180 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2022-07-13 22:57:30,740 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-07-13 22:57:30,740 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 22:57:31,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [487629965] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:57:31,946 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-13 22:57:31,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17] total 27 [2022-07-13 22:57:31,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247903660] [2022-07-13 22:57:31,946 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-13 22:57:31,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-07-13 22:57:31,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:57:31,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-07-13 22:57:31,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1287, Unknown=1, NotChecked=0, Total=1406 [2022-07-13 22:57:31,948 INFO L87 Difference]: Start difference. First operand 250 states and 274 transitions. Second operand has 27 states, 25 states have (on average 6.6) internal successors, (165), 22 states have internal predecessors, (165), 9 states have call successors, (50), 5 states have call predecessors, (50), 8 states have return successors, (50), 10 states have call predecessors, (50), 9 states have call successors, (50) [2022-07-13 22:57:32,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:57:32,725 INFO L93 Difference]: Finished difference Result 334 states and 368 transitions. [2022-07-13 22:57:32,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-07-13 22:57:32,725 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 25 states have (on average 6.6) internal successors, (165), 22 states have internal predecessors, (165), 9 states have call successors, (50), 5 states have call predecessors, (50), 8 states have return successors, (50), 10 states have call predecessors, (50), 9 states have call successors, (50) Word has length 247 [2022-07-13 22:57:32,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:57:32,726 INFO L225 Difference]: With dead ends: 334 [2022-07-13 22:57:32,726 INFO L226 Difference]: Without dead ends: 253 [2022-07-13 22:57:32,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 511 GetRequests, 446 SyntacticMatches, 16 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 530 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=194, Invalid=2355, Unknown=1, NotChecked=0, Total=2550 [2022-07-13 22:57:32,727 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 97 mSDsluCounter, 1245 mSDsCounter, 0 mSdLazyCounter, 1032 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 1381 SdHoareTripleChecker+Invalid, 1855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 1032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 745 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-13 22:57:32,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 1381 Invalid, 1855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 1032 Invalid, 0 Unknown, 745 Unchecked, 0.5s Time] [2022-07-13 22:57:32,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2022-07-13 22:57:32,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 251. [2022-07-13 22:57:32,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 179 states have (on average 1.0558659217877095) internal successors, (189), 180 states have internal predecessors, (189), 41 states have call successors, (41), 28 states have call predecessors, (41), 30 states have return successors, (43), 42 states have call predecessors, (43), 40 states have call successors, (43) [2022-07-13 22:57:32,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 273 transitions. [2022-07-13 22:57:32,738 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 273 transitions. Word has length 247 [2022-07-13 22:57:32,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:57:32,738 INFO L495 AbstractCegarLoop]: Abstraction has 251 states and 273 transitions. [2022-07-13 22:57:32,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 25 states have (on average 6.6) internal successors, (165), 22 states have internal predecessors, (165), 9 states have call successors, (50), 5 states have call predecessors, (50), 8 states have return successors, (50), 10 states have call predecessors, (50), 9 states have call successors, (50) [2022-07-13 22:57:32,739 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 273 transitions. [2022-07-13 22:57:32,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-07-13 22:57:32,740 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:57:32,740 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:57:32,760 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2022-07-13 22:57:32,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-07-13 22:57:32,940 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:57:32,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:57:32,941 INFO L85 PathProgramCache]: Analyzing trace with hash 583858862, now seen corresponding path program 1 times [2022-07-13 22:57:32,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:57:32,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405873196] [2022-07-13 22:57:32,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:32,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:57:33,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:33,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:57:33,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:33,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:57:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:33,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:33,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:33,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:57:33,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:33,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:57:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:33,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:57:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:33,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:57:33,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:33,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 22:57:33,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:33,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:33,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:33,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:33,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 22:57:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:33,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:33,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:33,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:33,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-13 22:57:33,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:33,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:33,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:33,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:33,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:33,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:33,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:33,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:33,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:33,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:33,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 22:57:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:33,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 22:57:33,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:33,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-13 22:57:33,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:33,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-13 22:57:33,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:33,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:33,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:33,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:33,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:33,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:33,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:33,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:33,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:33,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:33,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:33,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:33,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 22:57:33,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:33,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 22:57:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:33,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-13 22:57:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:33,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-13 22:57:33,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:33,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-13 22:57:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:33,333 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2022-07-13 22:57:33,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:57:33,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405873196] [2022-07-13 22:57:33,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405873196] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:57:33,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2100930058] [2022-07-13 22:57:33,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:33,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:57:33,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:57:33,335 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:57:33,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-07-13 22:57:33,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:33,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 3264 conjuncts, 61 conjunts are in the unsatisfiable core [2022-07-13 22:57:33,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:57:33,885 INFO L390 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 [2022-07-13 22:57:34,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-13 22:57:34,252 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2022-07-13 22:57:34,794 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2022-07-13 22:57:34,795 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 22:57:35,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2100930058] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:57:35,978 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-13 22:57:35,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17] total 28 [2022-07-13 22:57:35,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808596433] [2022-07-13 22:57:35,978 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-13 22:57:35,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-07-13 22:57:35,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:57:35,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-07-13 22:57:35,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=1360, Unknown=1, NotChecked=0, Total=1482 [2022-07-13 22:57:35,979 INFO L87 Difference]: Start difference. First operand 251 states and 273 transitions. Second operand has 28 states, 26 states have (on average 6.346153846153846) internal successors, (165), 23 states have internal predecessors, (165), 9 states have call successors, (50), 5 states have call predecessors, (50), 8 states have return successors, (50), 10 states have call predecessors, (50), 9 states have call successors, (50) [2022-07-13 22:57:36,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:57:36,670 INFO L93 Difference]: Finished difference Result 324 states and 353 transitions. [2022-07-13 22:57:36,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-07-13 22:57:36,679 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 26 states have (on average 6.346153846153846) internal successors, (165), 23 states have internal predecessors, (165), 9 states have call successors, (50), 5 states have call predecessors, (50), 8 states have return successors, (50), 10 states have call predecessors, (50), 9 states have call successors, (50) Word has length 248 [2022-07-13 22:57:36,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:57:36,680 INFO L225 Difference]: With dead ends: 324 [2022-07-13 22:57:36,680 INFO L226 Difference]: Without dead ends: 236 [2022-07-13 22:57:36,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 514 GetRequests, 448 SyntacticMatches, 16 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 538 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=196, Invalid=2455, Unknown=1, NotChecked=0, Total=2652 [2022-07-13 22:57:36,681 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 96 mSDsluCounter, 1102 mSDsCounter, 0 mSdLazyCounter, 849 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 1236 SdHoareTripleChecker+Invalid, 1539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 849 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 613 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-13 22:57:36,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 1236 Invalid, 1539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 849 Invalid, 0 Unknown, 613 Unchecked, 0.4s Time] [2022-07-13 22:57:36,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2022-07-13 22:57:36,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 234. [2022-07-13 22:57:36,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 164 states have (on average 1.0365853658536586) internal successors, (170), 165 states have internal predecessors, (170), 40 states have call successors, (40), 28 states have call predecessors, (40), 29 states have return successors, (41), 40 states have call predecessors, (41), 39 states have call successors, (41) [2022-07-13 22:57:36,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 251 transitions. [2022-07-13 22:57:36,691 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 251 transitions. Word has length 248 [2022-07-13 22:57:36,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:57:36,691 INFO L495 AbstractCegarLoop]: Abstraction has 234 states and 251 transitions. [2022-07-13 22:57:36,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 26 states have (on average 6.346153846153846) internal successors, (165), 23 states have internal predecessors, (165), 9 states have call successors, (50), 5 states have call predecessors, (50), 8 states have return successors, (50), 10 states have call predecessors, (50), 9 states have call successors, (50) [2022-07-13 22:57:36,691 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 251 transitions. [2022-07-13 22:57:36,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-07-13 22:57:36,692 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:57:36,692 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:57:36,713 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2022-07-13 22:57:36,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-07-13 22:57:36,903 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:57:36,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:57:36,904 INFO L85 PathProgramCache]: Analyzing trace with hash 195570205, now seen corresponding path program 1 times [2022-07-13 22:57:36,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:57:36,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387583247] [2022-07-13 22:57:36,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:36,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:57:36,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:57:37,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:57:37,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:37,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:57:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:57:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:57:37,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:57:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 22:57:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:37,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 22:57:37,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-13 22:57:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:37,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:37,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:37,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:37,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 22:57:37,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 22:57:37,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-13 22:57:37,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-13 22:57:37,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:37,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:37,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:37,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 22:57:37,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 22:57:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-13 22:57:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-13 22:57:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:37,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:57:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-07-13 22:57:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-13 22:57:37,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,201 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2022-07-13 22:57:37,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:57:37,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387583247] [2022-07-13 22:57:37,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387583247] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 22:57:37,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 22:57:37,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-13 22:57:37,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321040397] [2022-07-13 22:57:37,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 22:57:37,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 22:57:37,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:57:37,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 22:57:37,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-13 22:57:37,204 INFO L87 Difference]: Start difference. First operand 234 states and 251 transitions. Second operand has 9 states, 8 states have (on average 10.0) internal successors, (80), 6 states have internal predecessors, (80), 4 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26) [2022-07-13 22:57:37,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:57:37,569 INFO L93 Difference]: Finished difference Result 292 states and 313 transitions. [2022-07-13 22:57:37,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-13 22:57:37,569 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.0) internal successors, (80), 6 states have internal predecessors, (80), 4 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26) Word has length 267 [2022-07-13 22:57:37,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:57:37,570 INFO L225 Difference]: With dead ends: 292 [2022-07-13 22:57:37,570 INFO L226 Difference]: Without dead ends: 234 [2022-07-13 22:57:37,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2022-07-13 22:57:37,571 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 182 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-13 22:57:37,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 296 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-13 22:57:37,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2022-07-13 22:57:37,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2022-07-13 22:57:37,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 164 states have (on average 1.0304878048780488) internal successors, (169), 165 states have internal predecessors, (169), 40 states have call successors, (40), 28 states have call predecessors, (40), 29 states have return successors, (41), 40 states have call predecessors, (41), 39 states have call successors, (41) [2022-07-13 22:57:37,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 250 transitions. [2022-07-13 22:57:37,582 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 250 transitions. Word has length 267 [2022-07-13 22:57:37,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:57:37,582 INFO L495 AbstractCegarLoop]: Abstraction has 234 states and 250 transitions. [2022-07-13 22:57:37,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.0) internal successors, (80), 6 states have internal predecessors, (80), 4 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26) [2022-07-13 22:57:37,582 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 250 transitions. [2022-07-13 22:57:37,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-07-13 22:57:37,584 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 22:57:37,584 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 22:57:37,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-07-13 22:57:37,584 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 22:57:37,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 22:57:37,584 INFO L85 PathProgramCache]: Analyzing trace with hash 172937951, now seen corresponding path program 1 times [2022-07-13 22:57:37,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 22:57:37,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055866890] [2022-07-13 22:57:37,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:37,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 22:57:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 22:57:37,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:57:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:37,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 22:57:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 22:57:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 22:57:37,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-13 22:57:37,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 22:57:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:37,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 22:57:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:37,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:37,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-13 22:57:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:37,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:37,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:37,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:37,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:37,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 22:57:37,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 22:57:37,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-13 22:57:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-13 22:57:37,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 22:57:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:37,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-13 22:57:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 22:57:37,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-13 22:57:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-13 22:57:37,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 22:57:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-13 22:57:37,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:37,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-07-13 22:57:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:38,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-13 22:57:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:38,016 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2022-07-13 22:57:38,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 22:57:38,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055866890] [2022-07-13 22:57:38,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055866890] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 22:57:38,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078348665] [2022-07-13 22:57:38,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 22:57:38,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:57:38,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 22:57:38,018 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 22:57:38,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-07-13 22:57:38,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 22:57:38,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 3331 conjuncts, 19 conjunts are in the unsatisfiable core [2022-07-13 22:57:38,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 22:57:38,629 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 188 proven. 3 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-07-13 22:57:38,629 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 22:57:39,014 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2022-07-13 22:57:39,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078348665] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 22:57:39,014 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 22:57:39,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 11] total 29 [2022-07-13 22:57:39,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153856140] [2022-07-13 22:57:39,015 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 22:57:39,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-07-13 22:57:39,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 22:57:39,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-07-13 22:57:39,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=734, Unknown=0, NotChecked=0, Total=812 [2022-07-13 22:57:39,016 INFO L87 Difference]: Start difference. First operand 234 states and 250 transitions. Second operand has 29 states, 29 states have (on average 5.724137931034483) internal successors, (166), 23 states have internal predecessors, (166), 4 states have call successors, (50), 6 states have call predecessors, (50), 5 states have return successors, (50), 6 states have call predecessors, (50), 4 states have call successors, (50) [2022-07-13 22:57:39,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 22:57:39,647 INFO L93 Difference]: Finished difference Result 238 states and 253 transitions. [2022-07-13 22:57:39,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-13 22:57:39,647 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 5.724137931034483) internal successors, (166), 23 states have internal predecessors, (166), 4 states have call successors, (50), 6 states have call predecessors, (50), 5 states have return successors, (50), 6 states have call predecessors, (50), 4 states have call successors, (50) Word has length 267 [2022-07-13 22:57:39,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 22:57:39,647 INFO L225 Difference]: With dead ends: 238 [2022-07-13 22:57:39,647 INFO L226 Difference]: Without dead ends: 0 [2022-07-13 22:57:39,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 627 GetRequests, 592 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=154, Invalid=1178, Unknown=0, NotChecked=0, Total=1332 [2022-07-13 22:57:39,649 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 142 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 1155 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 1252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 1155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-13 22:57:39,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 386 Invalid, 1252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 1155 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-13 22:57:39,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-13 22:57:39,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-13 22:57:39,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 22:57:39,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-13 22:57:39,649 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 267 [2022-07-13 22:57:39,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 22:57:39,650 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 22:57:39,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 5.724137931034483) internal successors, (166), 23 states have internal predecessors, (166), 4 states have call successors, (50), 6 states have call predecessors, (50), 5 states have return successors, (50), 6 states have call predecessors, (50), 4 states have call successors, (50) [2022-07-13 22:57:39,650 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-13 22:57:39,650 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-13 22:57:39,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-07-13 22:57:39,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-07-13 22:57:39,673 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2022-07-13 22:57:39,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 22:57:39,871 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-13 22:57:40,440 INFO L895 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6882 6887) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2022-07-13 22:57:40,440 INFO L899 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6882 6887) no Hoare annotation was computed. [2022-07-13 22:57:40,440 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6882 6887) no Hoare annotation was computed. [2022-07-13 22:57:40,440 INFO L899 garLoopResultBuilder]: For program point L6883-1(lines 6883 6885) no Hoare annotation was computed. [2022-07-13 22:57:40,440 INFO L895 garLoopResultBuilder]: At program point L6883(lines 6883 6885) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2022-07-13 22:57:40,440 INFO L899 garLoopResultBuilder]: For program point aws_atomic_load_ptr_explicitFINAL(lines 5791 5794) no Hoare annotation was computed. [2022-07-13 22:57:40,440 INFO L895 garLoopResultBuilder]: At program point L5793(line 5793) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (not (= ~aws_memory_order~0~aws_memory_order_seq_cst |aws_atomic_load_ptr_explicit_#in~memory_order|)) (= ~aws_memory_order~0~aws_memory_order_seq_cst aws_atomic_load_ptr_explicit_~memory_order) (forall ((|v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_78| Int)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_78|) 8) 0))) [2022-07-13 22:57:40,441 INFO L899 garLoopResultBuilder]: For program point L5793-1(line 5793) no Hoare annotation was computed. [2022-07-13 22:57:40,441 INFO L902 garLoopResultBuilder]: At program point aws_atomic_load_ptr_explicitENTRY(lines 5791 5794) the Hoare annotation is: true [2022-07-13 22:57:40,441 INFO L899 garLoopResultBuilder]: For program point aws_atomic_load_ptr_explicitEXIT(lines 5791 5794) no Hoare annotation was computed. [2022-07-13 22:57:40,441 INFO L899 garLoopResultBuilder]: For program point L7069-2(lines 7061 7074) no Hoare annotation was computed. [2022-07-13 22:57:40,441 INFO L899 garLoopResultBuilder]: For program point aws_mem_releaseEXIT(lines 7061 7074) no Hoare annotation was computed. [2022-07-13 22:57:40,441 INFO L899 garLoopResultBuilder]: For program point L7069(lines 7069 7073) no Hoare annotation was computed. [2022-07-13 22:57:40,441 INFO L902 garLoopResultBuilder]: At program point L7062(lines 7062 7064) the Hoare annotation is: true [2022-07-13 22:57:40,441 INFO L902 garLoopResultBuilder]: At program point aws_mem_releaseENTRY(lines 7061 7074) the Hoare annotation is: true [2022-07-13 22:57:40,441 INFO L899 garLoopResultBuilder]: For program point L7065-1(lines 7065 7067) no Hoare annotation was computed. [2022-07-13 22:57:40,441 INFO L902 garLoopResultBuilder]: At program point L7065(lines 7065 7067) the Hoare annotation is: true [2022-07-13 22:57:40,441 INFO L899 garLoopResultBuilder]: For program point L7062-1(lines 7062 7064) no Hoare annotation was computed. [2022-07-13 22:57:40,441 INFO L902 garLoopResultBuilder]: At program point aws_ring_buffer_check_atomic_ptrENTRY(lines 6039 6045) the Hoare annotation is: true [2022-07-13 22:57:40,441 INFO L899 garLoopResultBuilder]: For program point aws_ring_buffer_check_atomic_ptrEXIT(lines 6039 6045) no Hoare annotation was computed. [2022-07-13 22:57:40,441 INFO L899 garLoopResultBuilder]: For program point L6044-2(line 6044) no Hoare annotation was computed. [2022-07-13 22:57:40,441 INFO L899 garLoopResultBuilder]: For program point L6044(line 6044) no Hoare annotation was computed. [2022-07-13 22:57:40,441 INFO L899 garLoopResultBuilder]: For program point aws_ring_buffer_check_atomic_ptrFINAL(lines 6039 6045) no Hoare annotation was computed. [2022-07-13 22:57:40,441 INFO L902 garLoopResultBuilder]: At program point aws_atomic_store_ptrENTRY(lines 5638 5641) the Hoare annotation is: true [2022-07-13 22:57:40,441 INFO L899 garLoopResultBuilder]: For program point aws_atomic_store_ptrEXIT(lines 5638 5641) no Hoare annotation was computed. [2022-07-13 22:57:40,441 INFO L899 garLoopResultBuilder]: For program point aws_atomic_store_ptrFINAL(lines 5638 5641) no Hoare annotation was computed. [2022-07-13 22:57:40,441 INFO L902 garLoopResultBuilder]: At program point L5640(line 5640) the Hoare annotation is: true [2022-07-13 22:57:40,441 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2022-07-13 22:57:40,441 INFO L902 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2022-07-13 22:57:40,441 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2022-07-13 22:57:40,442 INFO L895 garLoopResultBuilder]: At program point L5809(line 5809) the Hoare annotation is: (or (not (<= |aws_atomic_store_ptr_explicit_#in~memory_order| ~aws_memory_order~0~aws_memory_order_seq_cst)) (not (<= ~aws_memory_order~0~aws_memory_order_seq_cst |aws_atomic_store_ptr_explicit_#in~memory_order|)) (not (< 0 |#StackHeapBarrier|)) (= aws_atomic_store_ptr_explicit_~memory_order |aws_atomic_store_ptr_explicit_#in~memory_order|) (forall ((|v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_78| Int)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_78|) 8) 0))) [2022-07-13 22:57:40,442 INFO L899 garLoopResultBuilder]: For program point aws_atomic_store_ptr_explicitFINAL(lines 5807 5810) no Hoare annotation was computed. [2022-07-13 22:57:40,442 INFO L899 garLoopResultBuilder]: For program point L5809-1(line 5809) no Hoare annotation was computed. [2022-07-13 22:57:40,442 INFO L902 garLoopResultBuilder]: At program point aws_atomic_store_ptr_explicitENTRY(lines 5807 5810) the Hoare annotation is: true [2022-07-13 22:57:40,442 INFO L899 garLoopResultBuilder]: For program point aws_atomic_store_ptr_explicitEXIT(lines 5807 5810) no Hoare annotation was computed. [2022-07-13 22:57:40,442 INFO L899 garLoopResultBuilder]: For program point aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION(line 233) no Hoare annotation was computed. [2022-07-13 22:57:40,442 INFO L899 garLoopResultBuilder]: For program point L5746(lines 5746 5759) no Hoare annotation was computed. [2022-07-13 22:57:40,442 INFO L899 garLoopResultBuilder]: For program point aws_atomic_priv_xlate_orderEXIT(lines 5745 5760) no Hoare annotation was computed. [2022-07-13 22:57:40,442 INFO L899 garLoopResultBuilder]: For program point aws_atomic_priv_xlate_orderFINAL(lines 5745 5760) no Hoare annotation was computed. [2022-07-13 22:57:40,442 INFO L902 garLoopResultBuilder]: At program point aws_atomic_priv_xlate_orderENTRY(lines 5745 5760) the Hoare annotation is: true [2022-07-13 22:57:40,442 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 234) no Hoare annotation was computed. [2022-07-13 22:57:40,442 INFO L899 garLoopResultBuilder]: For program point L5755(line 5755) no Hoare annotation was computed. [2022-07-13 22:57:40,442 INFO L899 garLoopResultBuilder]: For program point L5757(line 5757) no Hoare annotation was computed. [2022-07-13 22:57:40,442 INFO L899 garLoopResultBuilder]: For program point L5751(line 5751) no Hoare annotation was computed. [2022-07-13 22:57:40,442 INFO L899 garLoopResultBuilder]: For program point L5753(line 5753) no Hoare annotation was computed. [2022-07-13 22:57:40,442 INFO L899 garLoopResultBuilder]: For program point L5747(line 5747) no Hoare annotation was computed. [2022-07-13 22:57:40,442 INFO L899 garLoopResultBuilder]: For program point L5749(line 5749) no Hoare annotation was computed. [2022-07-13 22:57:40,442 INFO L899 garLoopResultBuilder]: For program point L233(line 233) no Hoare annotation was computed. [2022-07-13 22:57:40,442 INFO L902 garLoopResultBuilder]: At program point aws_atomic_load_ptrENTRY(lines 5622 5625) the Hoare annotation is: true [2022-07-13 22:57:40,442 INFO L899 garLoopResultBuilder]: For program point aws_atomic_load_ptrEXIT(lines 5622 5625) no Hoare annotation was computed. [2022-07-13 22:57:40,442 INFO L899 garLoopResultBuilder]: For program point L5624-1(line 5624) no Hoare annotation was computed. [2022-07-13 22:57:40,442 INFO L899 garLoopResultBuilder]: For program point aws_atomic_load_ptrFINAL(lines 5622 5625) no Hoare annotation was computed. [2022-07-13 22:57:40,443 INFO L902 garLoopResultBuilder]: At program point L5624(line 5624) the Hoare annotation is: true [2022-07-13 22:57:40,443 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2022-07-13 22:57:40,443 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2022-07-13 22:57:40,443 INFO L902 garLoopResultBuilder]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2022-07-13 22:57:40,443 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2022-07-13 22:57:40,443 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2022-07-13 22:57:40,445 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2022-07-13 22:57:40,445 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-07-13 22:57:40,445 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2022-07-13 22:57:40,445 INFO L899 garLoopResultBuilder]: For program point L6076-2(line 6076) no Hoare annotation was computed. [2022-07-13 22:57:40,445 INFO L902 garLoopResultBuilder]: At program point aws_ring_buffer_is_validENTRY(lines 6062 6081) the Hoare annotation is: true [2022-07-13 22:57:40,445 INFO L899 garLoopResultBuilder]: For program point L6076(line 6076) no Hoare annotation was computed. [2022-07-13 22:57:40,445 INFO L899 garLoopResultBuilder]: For program point L6072-1(line 6072) no Hoare annotation was computed. [2022-07-13 22:57:40,445 INFO L895 garLoopResultBuilder]: At program point L6072(line 6072) the Hoare annotation is: (let ((.cse0 (= aws_ring_buffer_is_valid_~head~1.base 0)) (.cse1 (= aws_ring_buffer_is_valid_~ring_buf.base |aws_ring_buffer_is_valid_#in~ring_buf.base|)) (.cse2 (= aws_ring_buffer_is_valid_~ring_buf.offset |aws_ring_buffer_is_valid_#in~ring_buf.offset|)) (.cse3 (= aws_ring_buffer_is_valid_~tail~1.base 0))) (or (not (< 0 |#StackHeapBarrier|)) (and .cse0 .cse1 (= aws_ring_buffer_is_valid_~head_in_range~0 0) .cse2 .cse3) (forall ((|v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_78| Int)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_78|) 8) 0)) (and .cse0 .cse1 (= (select (select |#memory_$Pointer$.base| |aws_ring_buffer_is_valid_#in~ring_buf.base|) (+ 8 |aws_ring_buffer_is_valid_#in~ring_buf.offset|)) 0) .cse2 .cse3))) [2022-07-13 22:57:40,445 INFO L895 garLoopResultBuilder]: At program point L6066(line 6066) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= aws_ring_buffer_is_valid_~head~1.base 0) (= aws_ring_buffer_is_valid_~ring_buf.base |aws_ring_buffer_is_valid_#in~ring_buf.base|) (= aws_ring_buffer_is_valid_~ring_buf.offset |aws_ring_buffer_is_valid_#in~ring_buf.offset|)) (forall ((|v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_78| Int)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_78|) 8) 0))) [2022-07-13 22:57:40,445 INFO L899 garLoopResultBuilder]: For program point L6066-1(line 6066) no Hoare annotation was computed. [2022-07-13 22:57:40,445 INFO L899 garLoopResultBuilder]: For program point L6077-3(line 6077) no Hoare annotation was computed. [2022-07-13 22:57:40,445 INFO L899 garLoopResultBuilder]: For program point L6077(line 6077) no Hoare annotation was computed. [2022-07-13 22:57:40,445 INFO L899 garLoopResultBuilder]: For program point L6077-1(line 6077) no Hoare annotation was computed. [2022-07-13 22:57:40,445 INFO L899 garLoopResultBuilder]: For program point L6077-6(lines 6077 6080) no Hoare annotation was computed. [2022-07-13 22:57:40,445 INFO L899 garLoopResultBuilder]: For program point L6077-5(line 6077) no Hoare annotation was computed. [2022-07-13 22:57:40,445 INFO L899 garLoopResultBuilder]: For program point aws_ring_buffer_is_validEXIT(lines 6062 6081) no Hoare annotation was computed. [2022-07-13 22:57:40,445 INFO L895 garLoopResultBuilder]: At program point L6069(line 6069) the Hoare annotation is: (or (and (= aws_ring_buffer_is_valid_~head~1.base 0) (= aws_ring_buffer_is_valid_~ring_buf.base |aws_ring_buffer_is_valid_#in~ring_buf.base|) (= aws_ring_buffer_is_valid_~ring_buf.offset |aws_ring_buffer_is_valid_#in~ring_buf.offset|) (= aws_ring_buffer_is_valid_~tail~1.base 0)) (not (< 0 |#StackHeapBarrier|)) (forall ((|v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_78| Int)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_78|) 8) 0))) [2022-07-13 22:57:40,445 INFO L899 garLoopResultBuilder]: For program point L6077-8(lines 6077 6080) no Hoare annotation was computed. [2022-07-13 22:57:40,445 INFO L899 garLoopResultBuilder]: For program point L6069-1(line 6069) no Hoare annotation was computed. [2022-07-13 22:57:40,446 INFO L895 garLoopResultBuilder]: At program point L6065(line 6065) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= aws_ring_buffer_is_valid_~ring_buf.base |aws_ring_buffer_is_valid_#in~ring_buf.base|) (= aws_ring_buffer_is_valid_~ring_buf.offset |aws_ring_buffer_is_valid_#in~ring_buf.offset|)) (forall ((|v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_78| Int)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_78|) 8) 0))) [2022-07-13 22:57:40,446 INFO L899 garLoopResultBuilder]: For program point L6065-1(line 6065) no Hoare annotation was computed. [2022-07-13 22:57:40,446 INFO L899 garLoopResultBuilder]: For program point aws_ring_buffer_is_validFINAL(lines 6062 6081) no Hoare annotation was computed. [2022-07-13 22:57:40,447 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6889 6891) no Hoare annotation was computed. [2022-07-13 22:57:40,447 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6889 6891) no Hoare annotation was computed. [2022-07-13 22:57:40,447 INFO L902 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6889 6891) the Hoare annotation is: true [2022-07-13 22:57:40,447 INFO L895 garLoopResultBuilder]: At program point L9218-1(line 9218) the Hoare annotation is: false [2022-07-13 22:57:40,447 INFO L899 garLoopResultBuilder]: For program point L9218-2(lines 9218 9220) no Hoare annotation was computed. [2022-07-13 22:57:40,448 INFO L895 garLoopResultBuilder]: At program point L6621-1(line 6621) the Hoare annotation is: (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (+ |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 8)) 0)) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset|) (< 1 |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (< 0 |#StackHeapBarrier|)) [2022-07-13 22:57:40,448 INFO L895 garLoopResultBuilder]: At program point L6621(line 6621) the Hoare annotation is: (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (+ |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 8)) 0)) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset|) (< 1 |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (< 0 |#StackHeapBarrier|)) [2022-07-13 22:57:40,448 INFO L895 garLoopResultBuilder]: At program point L9206-1(line 9206) the Hoare annotation is: (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (+ |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 8)) 0)) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_#t~ret1352#1| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset|) (< 1 |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (< 0 |#StackHeapBarrier|)) [2022-07-13 22:57:40,448 INFO L899 garLoopResultBuilder]: For program point L9206-2(line 9206) no Hoare annotation was computed. [2022-07-13 22:57:40,448 INFO L899 garLoopResultBuilder]: For program point L6617-1(line 6617) no Hoare annotation was computed. [2022-07-13 22:57:40,448 INFO L895 garLoopResultBuilder]: At program point L6617(line 6617) the Hoare annotation is: (and (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset|) (< 1 |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (< 0 |#StackHeapBarrier|)) [2022-07-13 22:57:40,448 INFO L895 garLoopResultBuilder]: At program point L9206(line 9206) the Hoare annotation is: (and (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset|) (< 1 |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|) (+ 8 |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset|)) 0)) (< 0 |#StackHeapBarrier|)) [2022-07-13 22:57:40,448 INFO L899 garLoopResultBuilder]: For program point L8620(lines 8620 8622) no Hoare annotation was computed. [2022-07-13 22:57:40,449 INFO L899 garLoopResultBuilder]: For program point L8624(line 8624) no Hoare annotation was computed. [2022-07-13 22:57:40,449 INFO L899 garLoopResultBuilder]: For program point L8624-1(line 8624) no Hoare annotation was computed. [2022-07-13 22:57:40,449 INFO L895 garLoopResultBuilder]: At program point L8624-2(lines 8618 8625) the Hoare annotation is: false [2022-07-13 22:57:40,449 INFO L899 garLoopResultBuilder]: For program point L6622(line 6622) no Hoare annotation was computed. [2022-07-13 22:57:40,449 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-13 22:57:40,449 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-13 22:57:40,449 INFO L895 garLoopResultBuilder]: At program point L6618(line 6618) the Hoare annotation is: (and (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset|) (< 1 |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (< 0 |#StackHeapBarrier|)) [2022-07-13 22:57:40,449 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-13 22:57:40,449 INFO L895 garLoopResultBuilder]: At program point L9215(lines 9215 9217) the Hoare annotation is: false [2022-07-13 22:57:40,449 INFO L899 garLoopResultBuilder]: For program point L9215-1(lines 9215 9217) no Hoare annotation was computed. [2022-07-13 22:57:40,450 INFO L899 garLoopResultBuilder]: For program point L6618-1(line 6618) no Hoare annotation was computed. [2022-07-13 22:57:40,450 INFO L895 garLoopResultBuilder]: At program point L8621(line 8621) the Hoare annotation is: false [2022-07-13 22:57:40,450 INFO L899 garLoopResultBuilder]: For program point L8621-1(line 8621) no Hoare annotation was computed. [2022-07-13 22:57:40,450 INFO L902 garLoopResultBuilder]: At program point L9228(line 9228) the Hoare annotation is: true [2022-07-13 22:57:40,450 INFO L899 garLoopResultBuilder]: For program point L9199(lines 9199 9227) no Hoare annotation was computed. [2022-07-13 22:57:40,450 INFO L895 garLoopResultBuilder]: At program point L9224(lines 9224 9226) the Hoare annotation is: false [2022-07-13 22:57:40,450 INFO L899 garLoopResultBuilder]: For program point L9224-1(lines 9224 9226) no Hoare annotation was computed. [2022-07-13 22:57:40,450 INFO L899 garLoopResultBuilder]: For program point L6623-1(line 6623) no Hoare annotation was computed. [2022-07-13 22:57:40,450 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-13 22:57:40,450 INFO L895 garLoopResultBuilder]: At program point L6623(line 6623) the Hoare annotation is: (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (+ |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 8)) 0)) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset|) (< 1 |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (< 0 |#StackHeapBarrier|)) [2022-07-13 22:57:40,451 INFO L895 garLoopResultBuilder]: At program point L9212(lines 9212 9214) the Hoare annotation is: false [2022-07-13 22:57:40,451 INFO L899 garLoopResultBuilder]: For program point L9212-1(lines 9212 9214) no Hoare annotation was computed. [2022-07-13 22:57:40,451 INFO L899 garLoopResultBuilder]: For program point L6619-1(line 6619) no Hoare annotation was computed. [2022-07-13 22:57:40,451 INFO L895 garLoopResultBuilder]: At program point L6619(line 6619) the Hoare annotation is: (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (+ |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 8)) 0)) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset|) (< 1 |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (< 0 |#StackHeapBarrier|)) [2022-07-13 22:57:40,451 INFO L899 garLoopResultBuilder]: For program point L8618(lines 8618 8625) no Hoare annotation was computed. [2022-07-13 22:57:40,451 INFO L895 garLoopResultBuilder]: At program point L9221(line 9221) the Hoare annotation is: false [2022-07-13 22:57:40,451 INFO L895 garLoopResultBuilder]: At program point L9221-1(line 9221) the Hoare annotation is: false [2022-07-13 22:57:40,452 INFO L899 garLoopResultBuilder]: For program point L9221-2(lines 9221 9223) no Hoare annotation was computed. [2022-07-13 22:57:40,452 INFO L899 garLoopResultBuilder]: For program point L6624-1(line 6624) no Hoare annotation was computed. [2022-07-13 22:57:40,452 INFO L895 garLoopResultBuilder]: At program point L6624(line 6624) the Hoare annotation is: (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (+ |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 8)) 0)) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset|) (< 1 |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (< 0 |#StackHeapBarrier|)) [2022-07-13 22:57:40,452 INFO L899 garLoopResultBuilder]: For program point L6620-1(line 6620) no Hoare annotation was computed. [2022-07-13 22:57:40,452 INFO L895 garLoopResultBuilder]: At program point L6620(line 6620) the Hoare annotation is: (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (+ |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 8)) 0)) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset|) (< 1 |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (< 0 |#StackHeapBarrier|)) [2022-07-13 22:57:40,452 INFO L899 garLoopResultBuilder]: For program point L6616(lines 6616 6626) no Hoare annotation was computed. [2022-07-13 22:57:40,452 INFO L895 garLoopResultBuilder]: At program point L8619(line 8619) the Hoare annotation is: false [2022-07-13 22:57:40,452 INFO L895 garLoopResultBuilder]: At program point L8619-1(line 8619) the Hoare annotation is: false [2022-07-13 22:57:40,452 INFO L895 garLoopResultBuilder]: At program point L9218(line 9218) the Hoare annotation is: false [2022-07-13 22:57:40,453 INFO L899 garLoopResultBuilder]: For program point L8619-2(line 8619) no Hoare annotation was computed. [2022-07-13 22:57:40,453 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-07-13 22:57:40,453 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2022-07-13 22:57:40,453 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-07-13 22:57:40,453 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2022-07-13 22:57:40,453 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2022-07-13 22:57:40,453 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2022-07-13 22:57:40,455 INFO L356 BasicCegarLoop]: Path program histogram: [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] [2022-07-13 22:57:40,457 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 22:57:40,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 10:57:40 BoogieIcfgContainer [2022-07-13 22:57:40,471 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 22:57:40,471 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 22:57:40,471 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 22:57:40,471 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 22:57:40,472 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 10:56:43" (3/4) ... [2022-07-13 22:57:40,474 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-13 22:57:40,477 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-07-13 22:57:40,477 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_load_ptr [2022-07-13 22:57:40,478 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2022-07-13 22:57:40,478 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_load_ptr_explicit [2022-07-13 22:57:40,478 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mem_release [2022-07-13 22:57:40,478 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-07-13 22:57:40,478 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_ring_buffer_is_valid [2022-07-13 22:57:40,478 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2022-07-13 22:57:40,478 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_ring_buffer_check_atomic_ptr [2022-07-13 22:57:40,478 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_store_ptr [2022-07-13 22:57:40,478 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2022-07-13 22:57:40,478 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-07-13 22:57:40,478 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_store_ptr_explicit [2022-07-13 22:57:40,478 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_priv_xlate_order [2022-07-13 22:57:40,486 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 130 nodes and edges [2022-07-13 22:57:40,487 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 62 nodes and edges [2022-07-13 22:57:40,488 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-07-13 22:57:40,488 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-07-13 22:57:40,489 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-07-13 22:57:40,490 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-07-13 22:57:40,490 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-13 22:57:40,491 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 22:57:40,772 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 22:57:40,772 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 22:57:40,772 INFO L158 Benchmark]: Toolchain (without parser) took 60494.43ms. Allocated memory was 92.3MB in the beginning and 847.2MB in the end (delta: 755.0MB). Free memory was 51.2MB in the beginning and 472.7MB in the end (delta: -421.5MB). Peak memory consumption was 331.6MB. Max. memory is 16.1GB. [2022-07-13 22:57:40,773 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 92.3MB. Free memory was 51.5MB in the beginning and 51.4MB in the end (delta: 42.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 22:57:40,773 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1656.56ms. Allocated memory was 92.3MB in the beginning and 195.0MB in the end (delta: 102.8MB). Free memory was 51.0MB in the beginning and 112.3MB in the end (delta: -61.2MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. [2022-07-13 22:57:40,773 INFO L158 Benchmark]: Boogie Procedure Inliner took 131.55ms. Allocated memory is still 195.0MB. Free memory was 112.3MB in the beginning and 100.8MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-13 22:57:40,773 INFO L158 Benchmark]: Boogie Preprocessor took 45.69ms. Allocated memory is still 195.0MB. Free memory was 100.8MB in the beginning and 94.3MB in the end (delta: 6.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-13 22:57:40,773 INFO L158 Benchmark]: RCFGBuilder took 991.29ms. Allocated memory is still 195.0MB. Free memory was 94.3MB in the beginning and 78.5MB in the end (delta: 15.9MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2022-07-13 22:57:40,773 INFO L158 Benchmark]: TraceAbstraction took 57363.16ms. Allocated memory was 195.0MB in the beginning and 847.2MB in the end (delta: 652.2MB). Free memory was 77.4MB in the beginning and 603.7MB in the end (delta: -526.3MB). Peak memory consumption was 125.9MB. Max. memory is 16.1GB. [2022-07-13 22:57:40,773 INFO L158 Benchmark]: Witness Printer took 301.11ms. Allocated memory is still 847.2MB. Free memory was 603.7MB in the beginning and 472.7MB in the end (delta: 131.1MB). Peak memory consumption was 130.0MB. Max. memory is 16.1GB. [2022-07-13 22:57:40,774 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 92.3MB. Free memory was 51.5MB in the beginning and 51.4MB in the end (delta: 42.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1656.56ms. Allocated memory was 92.3MB in the beginning and 195.0MB in the end (delta: 102.8MB). Free memory was 51.0MB in the beginning and 112.3MB in the end (delta: -61.2MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 131.55ms. Allocated memory is still 195.0MB. Free memory was 112.3MB in the beginning and 100.8MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.69ms. Allocated memory is still 195.0MB. Free memory was 100.8MB in the beginning and 94.3MB in the end (delta: 6.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 991.29ms. Allocated memory is still 195.0MB. Free memory was 94.3MB in the beginning and 78.5MB in the end (delta: 15.9MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * TraceAbstraction took 57363.16ms. Allocated memory was 195.0MB in the beginning and 847.2MB in the end (delta: 652.2MB). Free memory was 77.4MB in the beginning and 603.7MB in the end (delta: -526.3MB). Peak memory consumption was 125.9MB. Max. memory is 16.1GB. * Witness Printer took 301.11ms. Allocated memory is still 847.2MB. Free memory was 603.7MB in the beginning and 472.7MB in the end (delta: 131.1MB). Peak memory consumption was 130.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 233]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 15 procedures, 136 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 57.3s, OverallIterations: 30, TraceHistogramMax: 8, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 10.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2480 SdHoareTripleChecker+Valid, 7.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2352 mSDsluCounter, 23448 SdHoareTripleChecker+Invalid, 5.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 5597 IncrementalHoareTripleChecker+Unchecked, 19334 mSDsCounter, 1262 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12834 IncrementalHoareTripleChecker+Invalid, 19693 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1262 mSolverCounterUnsat, 4114 mSDtfsCounter, 12834 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9823 GetRequests, 9012 SyntacticMatches, 138 SemanticMatches, 673 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3774 ImplicationChecksByTransitivity, 14.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=300occurred in iteration=24, InterpolantAutomatonStates: 392, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 30 MinimizatonAttempts, 160 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 964 PreInvPairs, 978 NumberOfFragments, 461 HoareAnnotationTreeSize, 964 FomulaSimplifications, 21 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 48 FomulaSimplificationsInter, 3242 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.2s SsaConstructionTime, 9.6s SatisfiabilityAnalysisTime, 26.1s InterpolantComputationTime, 12448 NumberOfCodeBlocks, 12448 NumberOfCodeBlocksAsserted, 58 NumberOfCheckSat, 13136 ConstructedInterpolants, 1366 QuantifiedInterpolants, 34723 SizeOfPredicates, 232 NumberOfNonLiveVariables, 81412 ConjunctsInSsa, 767 ConjunctsInUnsatCore, 59 InterpolantComputations, 22 PerfectInterpolantSequences, 14522/15222 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9228]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-13 22:57:40,808 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE