./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 29d7fb95278c2cc136033d841944b6b6554a35073619295af30129693cec9c54 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 15:37:28,071 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 15:37:28,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 15:37:28,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 15:37:28,125 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 15:37:28,126 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 15:37:28,127 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 15:37:28,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 15:37:28,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 15:37:28,130 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 15:37:28,131 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 15:37:28,132 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 15:37:28,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 15:37:28,133 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 15:37:28,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 15:37:28,134 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 15:37:28,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 15:37:28,135 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 15:37:28,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 15:37:28,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 15:37:28,138 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 15:37:28,140 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 15:37:28,141 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 15:37:28,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 15:37:28,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 15:37:28,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 15:37:28,147 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 15:37:28,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 15:37:28,150 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 15:37:28,150 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 15:37:28,151 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 15:37:28,151 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 15:37:28,152 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 15:37:28,153 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 15:37:28,154 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 15:37:28,154 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 15:37:28,155 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 15:37:28,155 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 15:37:28,156 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 15:37:28,156 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 15:37:28,157 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 15:37:28,158 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 15:37:28,180 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 15:37:28,180 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 15:37:28,181 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 15:37:28,181 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 15:37:28,182 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 15:37:28,182 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 15:37:28,182 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 15:37:28,182 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 15:37:28,182 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 15:37:28,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 15:37:28,183 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 15:37:28,183 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 15:37:28,184 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 15:37:28,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 15:37:28,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 15:37:28,184 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 15:37:28,184 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 15:37:28,184 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 15:37:28,184 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 15:37:28,185 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 15:37:28,185 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 15:37:28,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:37:28,185 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 15:37:28,185 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 15:37:28,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 15:37:28,185 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 15:37:28,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 15:37:28,187 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 15:37:28,187 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 15:37:28,187 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 15:37:28,187 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 15:37:28,187 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29d7fb95278c2cc136033d841944b6b6554a35073619295af30129693cec9c54 [2021-12-21 15:37:28,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 15:37:28,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 15:37:28,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 15:37:28,376 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 15:37:28,376 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 15:37:28,377 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i [2021-12-21 15:37:28,424 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d21dda55b/15ced65a2f3442b28c4f7ecfdbf90ab2/FLAG4afab0bb7 [2021-12-21 15:37:29,076 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 15:37:29,077 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i [2021-12-21 15:37:29,109 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d21dda55b/15ced65a2f3442b28c4f7ecfdbf90ab2/FLAG4afab0bb7 [2021-12-21 15:37:29,456 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d21dda55b/15ced65a2f3442b28c4f7ecfdbf90ab2 [2021-12-21 15:37:29,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 15:37:29,459 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 15:37:29,460 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 15:37:29,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 15:37:29,462 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 15:37:29,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:37:29" (1/1) ... [2021-12-21 15:37:29,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b47c46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:29, skipping insertion in model container [2021-12-21 15:37:29,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:37:29" (1/1) ... [2021-12-21 15:37:29,468 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 15:37:29,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 15:37:29,767 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i[4497,4510] [2021-12-21 15:37:29,774 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i[4557,4570] [2021-12-21 15:37:30,391 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:30,404 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:30,407 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:30,412 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:30,413 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:30,421 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:30,424 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:30,425 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:30,426 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:30,680 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-21 15:37:30,682 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-21 15:37:30,683 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-21 15:37:30,683 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-21 15:37:30,687 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-21 15:37:30,689 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-21 15:37:30,690 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-21 15:37:30,690 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-21 15:37:30,691 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-21 15:37:30,736 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-21 15:37:30,858 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-21 15:37:30,948 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:30,949 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:31,018 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:37:31,056 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 15:37:31,072 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i[4497,4510] [2021-12-21 15:37:31,073 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i[4557,4570] [2021-12-21 15:37:31,105 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:31,105 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:31,106 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:31,106 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:31,107 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:31,111 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:31,112 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:31,112 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:31,112 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:31,142 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-21 15:37:31,142 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-21 15:37:31,143 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-21 15:37:31,144 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-21 15:37:31,164 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-21 15:37:31,169 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-21 15:37:31,169 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-21 15:37:31,170 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-21 15:37:31,170 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-21 15:37:31,170 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-21 15:37:31,187 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-21 15:37:31,227 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:31,227 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:31,262 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:37:31,428 INFO L208 MainTranslator]: Completed translation [2021-12-21 15:37:31,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:31 WrapperNode [2021-12-21 15:37:31,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 15:37:31,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 15:37:31,430 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 15:37:31,430 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 15:37:31,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:31" (1/1) ... [2021-12-21 15:37:31,510 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:31" (1/1) ... [2021-12-21 15:37:31,563 INFO L137 Inliner]: procedures = 695, calls = 2936, calls flagged for inlining = 62, calls inlined = 12, statements flattened = 1179 [2021-12-21 15:37:31,564 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 15:37:31,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 15:37:31,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 15:37:31,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 15:37:31,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:31" (1/1) ... [2021-12-21 15:37:31,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:31" (1/1) ... [2021-12-21 15:37:31,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:31" (1/1) ... [2021-12-21 15:37:31,580 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:31" (1/1) ... [2021-12-21 15:37:31,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:31" (1/1) ... [2021-12-21 15:37:31,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:31" (1/1) ... [2021-12-21 15:37:31,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:31" (1/1) ... [2021-12-21 15:37:31,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 15:37:31,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 15:37:31,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 15:37:31,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 15:37:31,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:31" (1/1) ... [2021-12-21 15:37:31,652 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:37:31,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:31,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 15:37:31,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 15:37:31,792 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2021-12-21 15:37:31,792 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2021-12-21 15:37:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_store_n [2021-12-21 15:37:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2021-12-21 15:37:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 15:37:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-21 15:37:31,793 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-21 15:37:31,794 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2021-12-21 15:37:31,794 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2021-12-21 15:37:31,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 15:37:31,795 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-21 15:37:31,795 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-21 15:37:31,795 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-21 15:37:31,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-21 15:37:31,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 15:37:31,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 15:37:31,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 15:37:31,796 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2021-12-21 15:37:31,796 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2021-12-21 15:37:31,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 15:37:31,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 15:37:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-21 15:37:31,797 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-21 15:37:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2021-12-21 15:37:31,797 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2021-12-21 15:37:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 15:37:31,798 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 15:37:31,798 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2021-12-21 15:37:31,798 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2021-12-21 15:37:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 15:37:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 15:37:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 15:37:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2021-12-21 15:37:31,799 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2021-12-21 15:37:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2021-12-21 15:37:31,799 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2021-12-21 15:37:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-21 15:37:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-21 15:37:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2021-12-21 15:37:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2021-12-21 15:37:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2021-12-21 15:37:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2021-12-21 15:37:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-21 15:37:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-21 15:37:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 15:37:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2021-12-21 15:37:31,801 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2021-12-21 15:37:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2021-12-21 15:37:31,801 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2021-12-21 15:37:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2021-12-21 15:37:31,801 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2021-12-21 15:37:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2021-12-21 15:37:31,802 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2021-12-21 15:37:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 15:37:32,064 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 15:37:32,066 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 15:37:33,180 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 15:37:33,199 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 15:37:33,199 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-21 15:37:33,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:37:33 BoogieIcfgContainer [2021-12-21 15:37:33,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 15:37:33,201 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 15:37:33,202 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 15:37:33,204 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 15:37:33,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 03:37:29" (1/3) ... [2021-12-21 15:37:33,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64921be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:37:33, skipping insertion in model container [2021-12-21 15:37:33,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:31" (2/3) ... [2021-12-21 15:37:33,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64921be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:37:33, skipping insertion in model container [2021-12-21 15:37:33,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:37:33" (3/3) ... [2021-12-21 15:37:33,206 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_harness.i [2021-12-21 15:37:33,209 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 15:37:33,210 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-21 15:37:33,247 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 15:37:33,252 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 15:37:33,252 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-21 15:37:33,267 INFO L276 IsEmpty]: Start isEmpty. Operand has 393 states, 228 states have (on average 1.2105263157894737) internal successors, (276), 231 states have internal predecessors, (276), 142 states have call successors, (142), 20 states have call predecessors, (142), 20 states have return successors, (142), 142 states have call predecessors, (142), 142 states have call successors, (142) [2021-12-21 15:37:33,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-21 15:37:33,271 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:33,272 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:37:33,272 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:33,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:33,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1929197217, now seen corresponding path program 1 times [2021-12-21 15:37:33,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:33,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132041735] [2021-12-21 15:37:33,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:33,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:33,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:33,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:33,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:33,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:33,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:33,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:33,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:33,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:33,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:33,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:33,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:33,754 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-21 15:37:33,755 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:33,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132041735] [2021-12-21 15:37:33,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132041735] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:33,756 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:37:33,756 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 15:37:33,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311630305] [2021-12-21 15:37:33,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:33,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 15:37:33,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:33,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 15:37:33,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 15:37:33,789 INFO L87 Difference]: Start difference. First operand has 393 states, 228 states have (on average 1.2105263157894737) internal successors, (276), 231 states have internal predecessors, (276), 142 states have call successors, (142), 20 states have call predecessors, (142), 20 states have return successors, (142), 142 states have call predecessors, (142), 142 states have call successors, (142) Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-21 15:37:34,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:34,250 INFO L93 Difference]: Finished difference Result 780 states and 1224 transitions. [2021-12-21 15:37:34,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 15:37:34,253 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 52 [2021-12-21 15:37:34,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:34,262 INFO L225 Difference]: With dead ends: 780 [2021-12-21 15:37:34,262 INFO L226 Difference]: Without dead ends: 387 [2021-12-21 15:37:34,269 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 15:37:34,271 INFO L933 BasicCegarLoop]: 536 mSDtfsCounter, 118 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:34,272 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 687 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-21 15:37:34,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2021-12-21 15:37:34,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 387. [2021-12-21 15:37:34,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 223 states have (on average 1.1928251121076232) internal successors, (266), 226 states have internal predecessors, (266), 142 states have call successors, (142), 20 states have call predecessors, (142), 20 states have return successors, (141), 141 states have call predecessors, (141), 141 states have call successors, (141) [2021-12-21 15:37:34,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 549 transitions. [2021-12-21 15:37:34,327 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 549 transitions. Word has length 52 [2021-12-21 15:37:34,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:34,328 INFO L470 AbstractCegarLoop]: Abstraction has 387 states and 549 transitions. [2021-12-21 15:37:34,329 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-21 15:37:34,329 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 549 transitions. [2021-12-21 15:37:34,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-21 15:37:34,330 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:34,331 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:37:34,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 15:37:34,331 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:34,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:34,332 INFO L85 PathProgramCache]: Analyzing trace with hash 983350755, now seen corresponding path program 1 times [2021-12-21 15:37:34,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:34,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556047961] [2021-12-21 15:37:34,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:34,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:34,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:34,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:34,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:34,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:34,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:34,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:34,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:34,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:34,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:34,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:34,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:34,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:34,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:34,567 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-21 15:37:34,568 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:34,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556047961] [2021-12-21 15:37:34,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556047961] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:34,568 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:37:34,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-21 15:37:34,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422302148] [2021-12-21 15:37:34,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:34,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-21 15:37:34,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:34,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-21 15:37:34,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-21 15:37:34,571 INFO L87 Difference]: Start difference. First operand 387 states and 549 transitions. Second operand has 8 states, 7 states have (on average 3.857142857142857) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-12-21 15:37:35,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:35,373 INFO L93 Difference]: Finished difference Result 769 states and 1142 transitions. [2021-12-21 15:37:35,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 15:37:35,373 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.857142857142857) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 52 [2021-12-21 15:37:35,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:35,376 INFO L225 Difference]: With dead ends: 769 [2021-12-21 15:37:35,377 INFO L226 Difference]: Without dead ends: 399 [2021-12-21 15:37:35,379 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-12-21 15:37:35,380 INFO L933 BasicCegarLoop]: 521 mSDtfsCounter, 158 mSDsluCounter, 2215 mSDsCounter, 0 mSdLazyCounter, 813 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 2736 SdHoareTripleChecker+Invalid, 969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:35,380 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [174 Valid, 2736 Invalid, 969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 813 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-21 15:37:35,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2021-12-21 15:37:35,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 399. [2021-12-21 15:37:35,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 232 states have (on average 1.1982758620689655) internal successors, (278), 235 states have internal predecessors, (278), 143 states have call successors, (143), 22 states have call predecessors, (143), 22 states have return successors, (142), 142 states have call predecessors, (142), 142 states have call successors, (142) [2021-12-21 15:37:35,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 563 transitions. [2021-12-21 15:37:35,404 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 563 transitions. Word has length 52 [2021-12-21 15:37:35,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:35,404 INFO L470 AbstractCegarLoop]: Abstraction has 399 states and 563 transitions. [2021-12-21 15:37:35,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.857142857142857) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-12-21 15:37:35,405 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 563 transitions. [2021-12-21 15:37:35,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-12-21 15:37:35,406 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:35,406 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:37:35,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 15:37:35,407 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:35,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:35,407 INFO L85 PathProgramCache]: Analyzing trace with hash 221704994, now seen corresponding path program 1 times [2021-12-21 15:37:35,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:35,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555206880] [2021-12-21 15:37:35,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:35,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:35,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:35,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:35,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:35,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:35,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:35,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:35,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:35,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:35,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:35,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:35,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:35,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:35,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:35,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:35,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:35,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-21 15:37:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:35,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:35,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:35,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:35,903 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-21 15:37:35,904 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:35,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555206880] [2021-12-21 15:37:35,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555206880] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:35,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228563137] [2021-12-21 15:37:35,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:35,905 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:35,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:35,920 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:37:35,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-21 15:37:36,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 2575 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-21 15:37:36,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:36,731 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-12-21 15:37:36,732 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:36,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [228563137] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:36,732 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:36,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2021-12-21 15:37:36,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902442826] [2021-12-21 15:37:36,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:36,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 15:37:36,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:36,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 15:37:36,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-12-21 15:37:36,734 INFO L87 Difference]: Start difference. First operand 399 states and 563 transitions. Second operand has 7 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-12-21 15:37:36,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:36,834 INFO L93 Difference]: Finished difference Result 415 states and 582 transitions. [2021-12-21 15:37:36,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 15:37:36,834 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 85 [2021-12-21 15:37:36,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:36,836 INFO L225 Difference]: With dead ends: 415 [2021-12-21 15:37:36,849 INFO L226 Difference]: Without dead ends: 412 [2021-12-21 15:37:36,850 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-12-21 15:37:36,851 INFO L933 BasicCegarLoop]: 549 mSDtfsCounter, 26 mSDsluCounter, 2706 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 3255 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:36,851 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 3255 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 15:37:36,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2021-12-21 15:37:36,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2021-12-21 15:37:36,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 242 states have (on average 1.2066115702479339) internal successors, (292), 245 states have internal predecessors, (292), 144 states have call successors, (144), 24 states have call predecessors, (144), 24 states have return successors, (143), 143 states have call predecessors, (143), 143 states have call successors, (143) [2021-12-21 15:37:36,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 579 transitions. [2021-12-21 15:37:36,869 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 579 transitions. Word has length 85 [2021-12-21 15:37:36,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:36,869 INFO L470 AbstractCegarLoop]: Abstraction has 412 states and 579 transitions. [2021-12-21 15:37:36,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-12-21 15:37:36,869 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 579 transitions. [2021-12-21 15:37:36,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-12-21 15:37:36,877 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:36,877 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:37:36,901 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-21 15:37:37,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:37,092 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:37,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:37,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1580651472, now seen corresponding path program 1 times [2021-12-21 15:37:37,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:37,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986565005] [2021-12-21 15:37:37,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:37,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:37,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:37,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:37,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:37,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:37,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:37,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:37,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:37,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-21 15:37:37,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:37,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:37,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-21 15:37:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:37,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:37:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-21 15:37:37,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-21 15:37:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-21 15:37:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-21 15:37:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-21 15:37:37,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-21 15:37:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:37,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:37,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:37,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:37:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-21 15:37:37,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-21 15:37:37,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-21 15:37:37,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,714 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2021-12-21 15:37:37,715 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:37,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986565005] [2021-12-21 15:37:37,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986565005] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:37,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52045964] [2021-12-21 15:37:37,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:37,715 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:37,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:37,732 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:37:37,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-21 15:37:38,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 3234 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-21 15:37:38,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:38,688 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-12-21 15:37:38,688 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:38,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [52045964] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:38,688 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:38,689 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 6 [2021-12-21 15:37:38,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360756375] [2021-12-21 15:37:38,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:38,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 15:37:38,690 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:38,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 15:37:38,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 15:37:38,691 INFO L87 Difference]: Start difference. First operand 412 states and 579 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-12-21 15:37:38,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:38,717 INFO L93 Difference]: Finished difference Result 789 states and 1124 transitions. [2021-12-21 15:37:38,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 15:37:38,718 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 250 [2021-12-21 15:37:38,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:38,720 INFO L225 Difference]: With dead ends: 789 [2021-12-21 15:37:38,721 INFO L226 Difference]: Without dead ends: 416 [2021-12-21 15:37:38,722 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-21 15:37:38,723 INFO L933 BasicCegarLoop]: 544 mSDtfsCounter, 3 mSDsluCounter, 1084 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1628 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:38,723 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 1628 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 15:37:38,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2021-12-21 15:37:38,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 414. [2021-12-21 15:37:38,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 244 states have (on average 1.2049180327868851) internal successors, (294), 247 states have internal predecessors, (294), 144 states have call successors, (144), 24 states have call predecessors, (144), 24 states have return successors, (143), 143 states have call predecessors, (143), 143 states have call successors, (143) [2021-12-21 15:37:38,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 581 transitions. [2021-12-21 15:37:38,737 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 581 transitions. Word has length 250 [2021-12-21 15:37:38,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:38,738 INFO L470 AbstractCegarLoop]: Abstraction has 414 states and 581 transitions. [2021-12-21 15:37:38,738 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-12-21 15:37:38,739 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 581 transitions. [2021-12-21 15:37:38,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-12-21 15:37:38,741 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:38,741 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:37:38,767 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-21 15:37:38,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-12-21 15:37:38,963 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:38,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:38,963 INFO L85 PathProgramCache]: Analyzing trace with hash 601513036, now seen corresponding path program 1 times [2021-12-21 15:37:38,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:38,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548038641] [2021-12-21 15:37:38,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:38,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:39,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:39,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:39,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:39,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:39,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:39,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:39,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-21 15:37:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-21 15:37:39,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:39,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:39,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:37:39,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-21 15:37:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-21 15:37:39,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-21 15:37:39,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-21 15:37:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-21 15:37:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-21 15:37:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:39,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:37:39,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-21 15:37:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-21 15:37:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-21 15:37:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,481 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 20 proven. 16 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2021-12-21 15:37:39,482 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:39,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548038641] [2021-12-21 15:37:39,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548038641] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:39,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632830424] [2021-12-21 15:37:39,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:39,482 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:39,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:39,484 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:37:39,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-21 15:37:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 3224 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-21 15:37:39,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:40,299 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2021-12-21 15:37:40,299 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:40,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632830424] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:40,299 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:40,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2021-12-21 15:37:40,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309633808] [2021-12-21 15:37:40,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:40,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 15:37:40,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:40,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 15:37:40,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-12-21 15:37:40,301 INFO L87 Difference]: Start difference. First operand 414 states and 581 transitions. Second operand has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2021-12-21 15:37:40,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:40,367 INFO L93 Difference]: Finished difference Result 763 states and 1077 transitions. [2021-12-21 15:37:40,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 15:37:40,367 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 250 [2021-12-21 15:37:40,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:40,371 INFO L225 Difference]: With dead ends: 763 [2021-12-21 15:37:40,371 INFO L226 Difference]: Without dead ends: 424 [2021-12-21 15:37:40,372 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 325 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-12-21 15:37:40,373 INFO L933 BasicCegarLoop]: 550 mSDtfsCounter, 17 mSDsluCounter, 2713 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 3263 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:40,373 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 3263 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 15:37:40,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2021-12-21 15:37:40,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 424. [2021-12-21 15:37:40,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 251 states have (on average 1.203187250996016) internal successors, (302), 254 states have internal predecessors, (302), 145 states have call successors, (145), 26 states have call predecessors, (145), 26 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2021-12-21 15:37:40,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 591 transitions. [2021-12-21 15:37:40,388 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 591 transitions. Word has length 250 [2021-12-21 15:37:40,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:40,389 INFO L470 AbstractCegarLoop]: Abstraction has 424 states and 591 transitions. [2021-12-21 15:37:40,389 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2021-12-21 15:37:40,390 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 591 transitions. [2021-12-21 15:37:40,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2021-12-21 15:37:40,395 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:40,395 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:37:40,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-21 15:37:40,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:40,617 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:40,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:40,618 INFO L85 PathProgramCache]: Analyzing trace with hash 2124448417, now seen corresponding path program 1 times [2021-12-21 15:37:40,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:40,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160289759] [2021-12-21 15:37:40,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:40,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:40,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:40,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:40,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:40,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:40,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:40,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:40,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:40,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-21 15:37:40,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-21 15:37:40,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:40,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:40,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:40,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:40,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:40,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:40,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:37:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-21 15:37:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-21 15:37:40,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-21 15:37:40,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:40,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-21 15:37:40,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-21 15:37:40,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:41,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-21 15:37:41,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:41,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:41,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:41,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:41,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:41,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:41,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:41,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:41,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:41,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:41,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:41,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:41,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:41,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:37:41,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:41,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-21 15:37:41,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:41,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-21 15:37:41,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:41,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-21 15:37:41,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:41,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-21 15:37:41,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:41,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:41,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:41,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-21 15:37:41,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:41,073 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2021-12-21 15:37:41,073 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:41,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160289759] [2021-12-21 15:37:41,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160289759] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:41,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033034690] [2021-12-21 15:37:41,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:41,074 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:41,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:41,088 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:37:41,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-21 15:37:41,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:41,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 3276 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-21 15:37:41,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:42,089 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-12-21 15:37:42,089 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:42,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033034690] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:42,089 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:42,090 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2021-12-21 15:37:42,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361105792] [2021-12-21 15:37:42,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:42,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 15:37:42,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:42,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 15:37:42,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-12-21 15:37:42,091 INFO L87 Difference]: Start difference. First operand 424 states and 591 transitions. Second operand has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 4 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2021-12-21 15:37:42,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:42,778 INFO L93 Difference]: Finished difference Result 812 states and 1145 transitions. [2021-12-21 15:37:42,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 15:37:42,779 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 4 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) Word has length 260 [2021-12-21 15:37:42,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:42,783 INFO L225 Difference]: With dead ends: 812 [2021-12-21 15:37:42,783 INFO L226 Difference]: Without dead ends: 427 [2021-12-21 15:37:42,785 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2021-12-21 15:37:42,786 INFO L933 BasicCegarLoop]: 404 mSDtfsCounter, 565 mSDsluCounter, 1434 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 273 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 565 SdHoareTripleChecker+Valid, 1838 SdHoareTripleChecker+Invalid, 880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 273 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:42,787 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [565 Valid, 1838 Invalid, 880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [273 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-21 15:37:42,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2021-12-21 15:37:42,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 427. [2021-12-21 15:37:42,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 253 states have (on average 1.2015810276679841) internal successors, (304), 257 states have internal predecessors, (304), 145 states have call successors, (145), 26 states have call predecessors, (145), 27 states have return successors, (153), 144 states have call predecessors, (153), 144 states have call successors, (153) [2021-12-21 15:37:42,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 602 transitions. [2021-12-21 15:37:42,806 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 602 transitions. Word has length 260 [2021-12-21 15:37:42,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:42,806 INFO L470 AbstractCegarLoop]: Abstraction has 427 states and 602 transitions. [2021-12-21 15:37:42,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 4 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2021-12-21 15:37:42,807 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 602 transitions. [2021-12-21 15:37:42,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-12-21 15:37:42,809 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:42,809 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:37:42,831 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-21 15:37:43,023 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:43,024 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:43,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:43,024 INFO L85 PathProgramCache]: Analyzing trace with hash 2124276840, now seen corresponding path program 1 times [2021-12-21 15:37:43,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:43,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461581889] [2021-12-21 15:37:43,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:43,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:43,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:43,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:43,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:43,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:43,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:43,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:43,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-21 15:37:43,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:43,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-21 15:37:43,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:43,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:43,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:43,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:37:43,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-21 15:37:43,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-21 15:37:43,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-21 15:37:43,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:43,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-21 15:37:43,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-21 15:37:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-21 15:37:43,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:43,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:43,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:43,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:43,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:43,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:37:43,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-21 15:37:43,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-21 15:37:43,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-21 15:37:43,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-21 15:37:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-21 15:37:43,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,512 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2021-12-21 15:37:43,512 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:43,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461581889] [2021-12-21 15:37:43,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461581889] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:43,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [50920632] [2021-12-21 15:37:43,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:43,513 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:43,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:43,528 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:37:43,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-21 15:37:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 3292 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-21 15:37:44,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:44,439 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2021-12-21 15:37:44,439 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:44,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [50920632] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:44,439 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:44,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2021-12-21 15:37:44,440 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390006177] [2021-12-21 15:37:44,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:44,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-21 15:37:44,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:44,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-21 15:37:44,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-12-21 15:37:44,441 INFO L87 Difference]: Start difference. First operand 427 states and 602 transitions. Second operand has 8 states, 7 states have (on average 14.571428571428571) internal successors, (102), 8 states have internal predecessors, (102), 5 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (34), 4 states have call predecessors, (34), 5 states have call successors, (34) [2021-12-21 15:37:44,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:44,974 INFO L93 Difference]: Finished difference Result 790 states and 1122 transitions. [2021-12-21 15:37:44,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 15:37:44,974 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 14.571428571428571) internal successors, (102), 8 states have internal predecessors, (102), 5 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (34), 4 states have call predecessors, (34), 5 states have call successors, (34) Word has length 262 [2021-12-21 15:37:44,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:44,977 INFO L225 Difference]: With dead ends: 790 [2021-12-21 15:37:44,977 INFO L226 Difference]: Without dead ends: 427 [2021-12-21 15:37:44,979 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 344 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2021-12-21 15:37:44,979 INFO L933 BasicCegarLoop]: 393 mSDtfsCounter, 682 mSDsluCounter, 1308 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 368 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 682 SdHoareTripleChecker+Valid, 1701 SdHoareTripleChecker+Invalid, 886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 368 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:44,980 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [682 Valid, 1701 Invalid, 886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [368 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-21 15:37:44,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2021-12-21 15:37:44,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 427. [2021-12-21 15:37:44,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 253 states have (on average 1.2015810276679841) internal successors, (304), 257 states have internal predecessors, (304), 145 states have call successors, (145), 26 states have call predecessors, (145), 27 states have return successors, (146), 144 states have call predecessors, (146), 144 states have call successors, (146) [2021-12-21 15:37:44,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 595 transitions. [2021-12-21 15:37:44,997 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 595 transitions. Word has length 262 [2021-12-21 15:37:44,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:44,997 INFO L470 AbstractCegarLoop]: Abstraction has 427 states and 595 transitions. [2021-12-21 15:37:44,998 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 14.571428571428571) internal successors, (102), 8 states have internal predecessors, (102), 5 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (34), 4 states have call predecessors, (34), 5 states have call successors, (34) [2021-12-21 15:37:44,998 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 595 transitions. [2021-12-21 15:37:45,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-12-21 15:37:45,002 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:45,002 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:37:45,041 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-21 15:37:45,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:45,224 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:45,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:45,224 INFO L85 PathProgramCache]: Analyzing trace with hash -156763857, now seen corresponding path program 1 times [2021-12-21 15:37:45,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:45,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531430593] [2021-12-21 15:37:45,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:45,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:45,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:45,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:45,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:45,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-21 15:37:45,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:45,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-21 15:37:45,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:45,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:45,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:45,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:45,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:45,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:45,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:37:45,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-21 15:37:45,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-21 15:37:45,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-21 15:37:45,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:45,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-21 15:37:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-21 15:37:45,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-21 15:37:45,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:45,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:45,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:45,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:45,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:45,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:37:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-21 15:37:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-21 15:37:45,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 15:37:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-21 15:37:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:45,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-21 15:37:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,618 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2021-12-21 15:37:45,618 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:45,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531430593] [2021-12-21 15:37:45,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531430593] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:45,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [342373275] [2021-12-21 15:37:45,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:45,618 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:45,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:45,635 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:37:45,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-21 15:37:46,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 3308 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-21 15:37:46,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:46,576 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2021-12-21 15:37:46,576 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:46,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [342373275] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:46,576 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:46,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2021-12-21 15:37:46,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496742703] [2021-12-21 15:37:46,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:46,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 15:37:46,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:46,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 15:37:46,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-21 15:37:46,578 INFO L87 Difference]: Start difference. First operand 427 states and 595 transitions. Second operand has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-21 15:37:46,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:46,662 INFO L93 Difference]: Finished difference Result 853 states and 1188 transitions. [2021-12-21 15:37:46,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 15:37:46,662 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 264 [2021-12-21 15:37:46,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:46,665 INFO L225 Difference]: With dead ends: 853 [2021-12-21 15:37:46,665 INFO L226 Difference]: Without dead ends: 438 [2021-12-21 15:37:46,667 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-12-21 15:37:46,667 INFO L933 BasicCegarLoop]: 538 mSDtfsCounter, 7 mSDsluCounter, 2119 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2657 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:46,667 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 2657 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 15:37:46,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2021-12-21 15:37:46,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 434. [2021-12-21 15:37:46,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 257 states have (on average 1.1945525291828794) internal successors, (307), 262 states have internal predecessors, (307), 146 states have call successors, (146), 27 states have call predecessors, (146), 29 states have return successors, (149), 145 states have call predecessors, (149), 145 states have call successors, (149) [2021-12-21 15:37:46,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 602 transitions. [2021-12-21 15:37:46,685 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 602 transitions. Word has length 264 [2021-12-21 15:37:46,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:46,687 INFO L470 AbstractCegarLoop]: Abstraction has 434 states and 602 transitions. [2021-12-21 15:37:46,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-21 15:37:46,687 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 602 transitions. [2021-12-21 15:37:46,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-12-21 15:37:46,689 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:46,690 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:37:46,713 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-21 15:37:46,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:46,911 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:46,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:46,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1127283503, now seen corresponding path program 1 times [2021-12-21 15:37:46,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:46,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993283194] [2021-12-21 15:37:46,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:46,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:46,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:47,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:47,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:47,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:47,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-21 15:37:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-21 15:37:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:47,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:47,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:37:47,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 15:37:47,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-21 15:37:47,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-21 15:37:47,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-21 15:37:47,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-21 15:37:47,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-21 15:37:47,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:47,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:37:47,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-21 15:37:47,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-21 15:37:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-21 15:37:47,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-21 15:37:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-21 15:37:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,264 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-12-21 15:37:47,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:47,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993283194] [2021-12-21 15:37:47,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993283194] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:47,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899856159] [2021-12-21 15:37:47,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:47,264 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:47,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:47,265 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:37:47,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-21 15:37:47,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 3312 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-21 15:37:47,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:48,172 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2021-12-21 15:37:48,172 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:48,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899856159] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:48,172 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:48,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2021-12-21 15:37:48,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630149485] [2021-12-21 15:37:48,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:48,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 15:37:48,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:48,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 15:37:48,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-21 15:37:48,173 INFO L87 Difference]: Start difference. First operand 434 states and 602 transitions. Second operand has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 states have internal predecessors, (91), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-21 15:37:48,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:48,248 INFO L93 Difference]: Finished difference Result 839 states and 1204 transitions. [2021-12-21 15:37:48,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 15:37:48,249 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 states have internal predecessors, (91), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 266 [2021-12-21 15:37:48,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:48,251 INFO L225 Difference]: With dead ends: 839 [2021-12-21 15:37:48,251 INFO L226 Difference]: Without dead ends: 434 [2021-12-21 15:37:48,253 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 347 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-12-21 15:37:48,255 INFO L933 BasicCegarLoop]: 543 mSDtfsCounter, 7 mSDsluCounter, 1605 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2148 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:48,255 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 2148 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 15:37:48,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2021-12-21 15:37:48,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2021-12-21 15:37:48,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 257 states have (on average 1.1867704280155642) internal successors, (305), 262 states have internal predecessors, (305), 146 states have call successors, (146), 27 states have call predecessors, (146), 29 states have return successors, (149), 145 states have call predecessors, (149), 145 states have call successors, (149) [2021-12-21 15:37:48,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 600 transitions. [2021-12-21 15:37:48,272 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 600 transitions. Word has length 266 [2021-12-21 15:37:48,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:48,272 INFO L470 AbstractCegarLoop]: Abstraction has 434 states and 600 transitions. [2021-12-21 15:37:48,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 states have internal predecessors, (91), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-21 15:37:48,273 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 600 transitions. [2021-12-21 15:37:48,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-12-21 15:37:48,275 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:48,275 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:37:48,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-12-21 15:37:48,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:48,491 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:48,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:48,492 INFO L85 PathProgramCache]: Analyzing trace with hash -829292343, now seen corresponding path program 1 times [2021-12-21 15:37:48,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:48,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766588334] [2021-12-21 15:37:48,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:48,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:48,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:48,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:48,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:48,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:48,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:48,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:48,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:48,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:48,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:48,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:48,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-21 15:37:48,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:48,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-21 15:37:48,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:48,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:48,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:48,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:48,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:48,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-21 15:37:48,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 15:37:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-21 15:37:48,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-21 15:37:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 15:37:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:48,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-21 15:37:48,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-21 15:37:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 15:37:48,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:48,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:48,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:48,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:48,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:48,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:48,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-21 15:37:48,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 15:37:48,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-21 15:37:48,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 15:37:48,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-21 15:37:48,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-21 15:37:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-21 15:37:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,960 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2021-12-21 15:37:48,960 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:48,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766588334] [2021-12-21 15:37:48,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766588334] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:48,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571373273] [2021-12-21 15:37:48,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:48,961 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:48,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:48,962 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:37:49,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-21 15:37:49,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 3322 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-21 15:37:49,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:50,009 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2021-12-21 15:37:50,010 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:50,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [571373273] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:50,010 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:50,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2021-12-21 15:37:50,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086799586] [2021-12-21 15:37:50,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:50,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 15:37:50,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:50,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 15:37:50,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-12-21 15:37:50,011 INFO L87 Difference]: Start difference. First operand 434 states and 600 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, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-21 15:37:50,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:50,118 INFO L93 Difference]: Finished difference Result 863 states and 1193 transitions. [2021-12-21 15:37:50,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 15:37:50,118 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, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 271 [2021-12-21 15:37:50,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:50,121 INFO L225 Difference]: With dead ends: 863 [2021-12-21 15:37:50,121 INFO L226 Difference]: Without dead ends: 438 [2021-12-21 15:37:50,123 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-12-21 15:37:50,123 INFO L933 BasicCegarLoop]: 534 mSDtfsCounter, 19 mSDsluCounter, 2630 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 3164 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:50,124 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 3164 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 15:37:50,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2021-12-21 15:37:50,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 434. [2021-12-21 15:37:50,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 257 states have (on average 1.1828793774319066) internal successors, (304), 262 states have internal predecessors, (304), 146 states have call successors, (146), 27 states have call predecessors, (146), 29 states have return successors, (149), 145 states have call predecessors, (149), 145 states have call successors, (149) [2021-12-21 15:37:50,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 599 transitions. [2021-12-21 15:37:50,140 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 599 transitions. Word has length 271 [2021-12-21 15:37:50,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:50,140 INFO L470 AbstractCegarLoop]: Abstraction has 434 states and 599 transitions. [2021-12-21 15:37:50,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.666666666666666) internal successors, (88), 7 states have internal predecessors, (88), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-21 15:37:50,141 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 599 transitions. [2021-12-21 15:37:50,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-12-21 15:37:50,142 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:50,142 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:37:50,181 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-12-21 15:37:50,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-21 15:37:50,356 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:50,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:50,356 INFO L85 PathProgramCache]: Analyzing trace with hash -838224311, now seen corresponding path program 1 times [2021-12-21 15:37:50,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:50,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411898581] [2021-12-21 15:37:50,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:50,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:50,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:50,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:50,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:50,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:50,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:50,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-21 15:37:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-21 15:37:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:50,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-21 15:37:50,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 15:37:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-21 15:37:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-21 15:37:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 15:37:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-21 15:37:50,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-21 15:37:50,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-21 15:37:50,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-21 15:37:50,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 15:37:50,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-21 15:37:50,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-21 15:37:50,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-21 15:37:50,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-21 15:37:50,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-21 15:37:50,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,720 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2021-12-21 15:37:50,720 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:50,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411898581] [2021-12-21 15:37:50,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411898581] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:50,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259506586] [2021-12-21 15:37:50,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:50,721 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:50,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:50,722 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:37:50,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-21 15:37:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:51,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 3326 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-21 15:37:51,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:51,610 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2021-12-21 15:37:51,610 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:51,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [259506586] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:51,610 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:51,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2021-12-21 15:37:51,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945902015] [2021-12-21 15:37:51,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:51,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 15:37:51,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:51,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 15:37:51,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-12-21 15:37:51,611 INFO L87 Difference]: Start difference. First operand 434 states and 599 transitions. Second operand has 7 states, 6 states have (on average 15.166666666666666) internal successors, (91), 7 states have internal predecessors, (91), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-21 15:37:51,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:51,703 INFO L93 Difference]: Finished difference Result 860 states and 1188 transitions. [2021-12-21 15:37:51,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 15:37:51,703 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.166666666666666) internal successors, (91), 7 states have internal predecessors, (91), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 273 [2021-12-21 15:37:51,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:51,705 INFO L225 Difference]: With dead ends: 860 [2021-12-21 15:37:51,705 INFO L226 Difference]: Without dead ends: 438 [2021-12-21 15:37:51,707 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 353 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-12-21 15:37:51,707 INFO L933 BasicCegarLoop]: 533 mSDtfsCounter, 18 mSDsluCounter, 2627 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 3160 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:51,708 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 3160 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 15:37:51,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2021-12-21 15:37:51,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 434. [2021-12-21 15:37:51,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 257 states have (on average 1.178988326848249) internal successors, (303), 262 states have internal predecessors, (303), 146 states have call successors, (146), 27 states have call predecessors, (146), 29 states have return successors, (149), 145 states have call predecessors, (149), 145 states have call successors, (149) [2021-12-21 15:37:51,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 598 transitions. [2021-12-21 15:37:51,723 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 598 transitions. Word has length 273 [2021-12-21 15:37:51,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:51,723 INFO L470 AbstractCegarLoop]: Abstraction has 434 states and 598 transitions. [2021-12-21 15:37:51,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.166666666666666) internal successors, (91), 7 states have internal predecessors, (91), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-21 15:37:51,723 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 598 transitions. [2021-12-21 15:37:51,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-12-21 15:37:51,727 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:51,727 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:37:51,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-12-21 15:37:51,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:51,947 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:51,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:51,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1210262481, now seen corresponding path program 1 times [2021-12-21 15:37:51,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:51,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434754280] [2021-12-21 15:37:51,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:51,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:52,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:52,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:52,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:52,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:52,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-21 15:37:52,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-21 15:37:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:52,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-21 15:37:52,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 15:37:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-21 15:37:52,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-21 15:37:52,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-21 15:37:52,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-21 15:37:52,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-21 15:37:52,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-21 15:37:52,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:52,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-21 15:37:52,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 15:37:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-21 15:37:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-12-21 15:37:52,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-21 15:37:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-12-21 15:37:52,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-21 15:37:52,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,358 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2021-12-21 15:37:52,359 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:52,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434754280] [2021-12-21 15:37:52,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434754280] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:52,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [286474178] [2021-12-21 15:37:52,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:52,360 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:52,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:52,376 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:37:52,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-21 15:37:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 3330 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-21 15:37:52,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:53,328 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2021-12-21 15:37:53,328 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:53,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [286474178] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:53,328 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:53,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2021-12-21 15:37:53,329 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77294415] [2021-12-21 15:37:53,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:53,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 15:37:53,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:53,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 15:37:53,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-12-21 15:37:53,331 INFO L87 Difference]: Start difference. First operand 434 states and 598 transitions. Second operand has 7 states, 6 states have (on average 15.5) internal successors, (93), 7 states have internal predecessors, (93), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-21 15:37:53,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:53,437 INFO L93 Difference]: Finished difference Result 860 states and 1186 transitions. [2021-12-21 15:37:53,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 15:37:53,447 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.5) internal successors, (93), 7 states have internal predecessors, (93), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 275 [2021-12-21 15:37:53,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:53,450 INFO L225 Difference]: With dead ends: 860 [2021-12-21 15:37:53,450 INFO L226 Difference]: Without dead ends: 438 [2021-12-21 15:37:53,451 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 355 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-12-21 15:37:53,451 INFO L933 BasicCegarLoop]: 532 mSDtfsCounter, 17 mSDsluCounter, 2624 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 3156 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:53,452 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 3156 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 15:37:53,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2021-12-21 15:37:53,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 434. [2021-12-21 15:37:53,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 257 states have (on average 1.1750972762645915) internal successors, (302), 262 states have internal predecessors, (302), 146 states have call successors, (146), 27 states have call predecessors, (146), 29 states have return successors, (149), 145 states have call predecessors, (149), 145 states have call successors, (149) [2021-12-21 15:37:53,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 597 transitions. [2021-12-21 15:37:53,479 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 597 transitions. Word has length 275 [2021-12-21 15:37:53,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:53,479 INFO L470 AbstractCegarLoop]: Abstraction has 434 states and 597 transitions. [2021-12-21 15:37:53,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.5) internal successors, (93), 7 states have internal predecessors, (93), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-21 15:37:53,480 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 597 transitions. [2021-12-21 15:37:53,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2021-12-21 15:37:53,480 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:53,481 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:37:53,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-12-21 15:37:53,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-12-21 15:37:53,695 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:53,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:53,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1752052791, now seen corresponding path program 1 times [2021-12-21 15:37:53,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:53,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854022574] [2021-12-21 15:37:53,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:53,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:53,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:53,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:53,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:53,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:53,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:53,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 15:37:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:53,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 15:37:53,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:54,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-21 15:37:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 15:37:54,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-21 15:37:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 15:37:54,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-21 15:37:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:54,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-21 15:37:54,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 15:37:54,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-21 15:37:54,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:54,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:54,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:54,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:54,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:54,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-21 15:37:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 15:37:54,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 15:37:54,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-21 15:37:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-21 15:37:54,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-21 15:37:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:54,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-21 15:37:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,148 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 387 trivial. 0 not checked. [2021-12-21 15:37:54,148 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:54,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854022574] [2021-12-21 15:37:54,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854022574] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:54,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48602369] [2021-12-21 15:37:54,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:54,149 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:54,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:54,150 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:37:54,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-12-21 15:37:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 3334 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-21 15:37:54,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:55,047 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2021-12-21 15:37:55,047 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:55,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48602369] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:55,047 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:55,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2021-12-21 15:37:55,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711321995] [2021-12-21 15:37:55,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:55,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 15:37:55,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:55,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 15:37:55,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-12-21 15:37:55,049 INFO L87 Difference]: Start difference. First operand 434 states and 597 transitions. Second operand has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-21 15:37:55,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:55,151 INFO L93 Difference]: Finished difference Result 834 states and 1192 transitions. [2021-12-21 15:37:55,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 15:37:55,152 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 277 [2021-12-21 15:37:55,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:55,154 INFO L225 Difference]: With dead ends: 834 [2021-12-21 15:37:55,154 INFO L226 Difference]: Without dead ends: 434 [2021-12-21 15:37:55,156 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 358 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-12-21 15:37:55,156 INFO L933 BasicCegarLoop]: 538 mSDtfsCounter, 18 mSDsluCounter, 2653 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 3191 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:55,156 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 3191 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 15:37:55,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2021-12-21 15:37:55,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2021-12-21 15:37:55,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 257 states have (on average 1.171206225680934) internal successors, (301), 262 states have internal predecessors, (301), 146 states have call successors, (146), 27 states have call predecessors, (146), 29 states have return successors, (149), 145 states have call predecessors, (149), 145 states have call successors, (149) [2021-12-21 15:37:55,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 596 transitions. [2021-12-21 15:37:55,170 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 596 transitions. Word has length 277 [2021-12-21 15:37:55,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:55,170 INFO L470 AbstractCegarLoop]: Abstraction has 434 states and 596 transitions. [2021-12-21 15:37:55,170 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-21 15:37:55,170 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 596 transitions. [2021-12-21 15:37:55,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-12-21 15:37:55,171 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:55,171 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:37:55,194 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-12-21 15:37:55,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-12-21 15:37:55,391 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:55,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:55,392 INFO L85 PathProgramCache]: Analyzing trace with hash 580494533, now seen corresponding path program 1 times [2021-12-21 15:37:55,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:55,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927465190] [2021-12-21 15:37:55,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:55,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:55,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:55,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:55,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 15:37:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:55,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 15:37:55,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:55,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:55,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 15:37:55,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:55,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 15:37:55,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-21 15:37:55,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-21 15:37:55,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 15:37:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-21 15:37:55,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:55,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-21 15:37:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-21 15:37:55,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-21 15:37:55,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:55,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:55,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 15:37:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:55,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 15:37:55,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-21 15:37:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-12-21 15:37:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-21 15:37:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-21 15:37:55,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-21 15:37:55,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:55,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-21 15:37:55,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,709 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2021-12-21 15:37:55,709 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:55,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927465190] [2021-12-21 15:37:55,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927465190] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:55,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113557487] [2021-12-21 15:37:55,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:55,710 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:55,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:55,711 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:37:55,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-12-21 15:37:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 3342 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-21 15:37:56,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:56,603 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2021-12-21 15:37:56,604 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:56,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2113557487] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:56,604 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:56,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2021-12-21 15:37:56,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74250616] [2021-12-21 15:37:56,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:56,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 15:37:56,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:56,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 15:37:56,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-12-21 15:37:56,605 INFO L87 Difference]: Start difference. First operand 434 states and 596 transitions. Second operand has 7 states, 6 states have (on average 16.5) internal successors, (99), 7 states have internal predecessors, (99), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-21 15:37:56,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:56,687 INFO L93 Difference]: Finished difference Result 836 states and 1194 transitions. [2021-12-21 15:37:56,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 15:37:56,688 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.5) internal successors, (99), 7 states have internal predecessors, (99), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 281 [2021-12-21 15:37:56,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:56,690 INFO L225 Difference]: With dead ends: 836 [2021-12-21 15:37:56,690 INFO L226 Difference]: Without dead ends: 436 [2021-12-21 15:37:56,691 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 362 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-12-21 15:37:56,692 INFO L933 BasicCegarLoop]: 537 mSDtfsCounter, 19 mSDsluCounter, 2118 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 2655 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:56,692 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 2655 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 15:37:56,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2021-12-21 15:37:56,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 434. [2021-12-21 15:37:56,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 257 states have (on average 1.1673151750972763) internal successors, (300), 262 states have internal predecessors, (300), 146 states have call successors, (146), 27 states have call predecessors, (146), 29 states have return successors, (149), 145 states have call predecessors, (149), 145 states have call successors, (149) [2021-12-21 15:37:56,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 595 transitions. [2021-12-21 15:37:56,704 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 595 transitions. Word has length 281 [2021-12-21 15:37:56,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:56,704 INFO L470 AbstractCegarLoop]: Abstraction has 434 states and 595 transitions. [2021-12-21 15:37:56,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.5) internal successors, (99), 7 states have internal predecessors, (99), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-21 15:37:56,705 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 595 transitions. [2021-12-21 15:37:56,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-12-21 15:37:56,705 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:56,706 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:37:56,733 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2021-12-21 15:37:56,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-12-21 15:37:56,933 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:56,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:56,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1898925385, now seen corresponding path program 1 times [2021-12-21 15:37:56,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:56,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180353411] [2021-12-21 15:37:56,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:56,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:57,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:57,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:57,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:57,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 15:37:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:57,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 15:37:57,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:57,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 15:37:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:57,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:57,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-21 15:37:57,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-21 15:37:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-21 15:37:57,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-21 15:37:57,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-21 15:37:57,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-21 15:37:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-21 15:37:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:57,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 15:37:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:57,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-21 15:37:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-21 15:37:57,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-21 15:37:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-21 15:37:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-21 15:37:57,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-21 15:37:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,293 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2021-12-21 15:37:57,293 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:57,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180353411] [2021-12-21 15:37:57,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180353411] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:57,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297932121] [2021-12-21 15:37:57,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:57,293 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:57,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:57,294 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:37:57,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-12-21 15:37:57,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 3350 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-21 15:37:57,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:58,146 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2021-12-21 15:37:58,146 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:58,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1297932121] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:58,147 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:58,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2021-12-21 15:37:58,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803858749] [2021-12-21 15:37:58,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:58,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 15:37:58,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:58,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 15:37:58,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-12-21 15:37:58,148 INFO L87 Difference]: Start difference. First operand 434 states and 595 transitions. Second operand has 7 states, 6 states have (on average 16.833333333333332) internal successors, (101), 7 states have internal predecessors, (101), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-21 15:37:58,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:58,232 INFO L93 Difference]: Finished difference Result 836 states and 1192 transitions. [2021-12-21 15:37:58,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 15:37:58,232 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.833333333333332) internal successors, (101), 7 states have internal predecessors, (101), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 285 [2021-12-21 15:37:58,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:58,234 INFO L225 Difference]: With dead ends: 836 [2021-12-21 15:37:58,234 INFO L226 Difference]: Without dead ends: 436 [2021-12-21 15:37:58,237 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 366 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-12-21 15:37:58,238 INFO L933 BasicCegarLoop]: 536 mSDtfsCounter, 19 mSDsluCounter, 2116 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 2652 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:58,238 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 2652 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 15:37:58,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2021-12-21 15:37:58,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 434. [2021-12-21 15:37:58,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 257 states have (on average 1.1634241245136188) internal successors, (299), 262 states have internal predecessors, (299), 146 states have call successors, (146), 27 states have call predecessors, (146), 29 states have return successors, (149), 145 states have call predecessors, (149), 145 states have call successors, (149) [2021-12-21 15:37:58,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 594 transitions. [2021-12-21 15:37:58,252 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 594 transitions. Word has length 285 [2021-12-21 15:37:58,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:58,253 INFO L470 AbstractCegarLoop]: Abstraction has 434 states and 594 transitions. [2021-12-21 15:37:58,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.833333333333332) internal successors, (101), 7 states have internal predecessors, (101), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-21 15:37:58,253 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 594 transitions. [2021-12-21 15:37:58,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2021-12-21 15:37:58,254 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:58,254 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:37:58,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-12-21 15:37:58,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-12-21 15:37:58,475 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:58,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:58,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1396749653, now seen corresponding path program 2 times [2021-12-21 15:37:58,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:58,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812775276] [2021-12-21 15:37:58,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:58,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:58,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:58,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:58,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:58,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:58,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:58,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 15:37:58,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 15:37:58,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:58,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:37:58,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:58,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:37:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:37:58,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 15:37:58,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-21 15:37:58,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-21 15:37:58,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:58,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 15:37:58,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-21 15:37:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-21 15:37:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:59,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:37:59,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:59,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:37:59,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:37:59,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-21 15:37:59,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-21 15:37:59,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-21 15:37:59,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-21 15:37:59,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:59,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-21 15:37:59,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,161 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2021-12-21 15:37:59,161 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:59,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812775276] [2021-12-21 15:37:59,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812775276] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:59,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713266730] [2021-12-21 15:37:59,162 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-21 15:37:59,162 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:59,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:59,163 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:37:59,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-12-21 15:38:00,467 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-21 15:38:00,467 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-21 15:38:00,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 3358 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-21 15:38:00,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:38:00,768 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2021-12-21 15:38:00,768 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:38:00,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713266730] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:38:00,769 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:38:00,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 6 [2021-12-21 15:38:00,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892794081] [2021-12-21 15:38:00,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:38:00,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 15:38:00,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:38:00,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 15:38:00,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-21 15:38:00,770 INFO L87 Difference]: Start difference. First operand 434 states and 594 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 3 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-21 15:38:00,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:38:00,851 INFO L93 Difference]: Finished difference Result 810 states and 1130 transitions. [2021-12-21 15:38:00,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 15:38:00,852 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 3 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 289 [2021-12-21 15:38:00,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:38:00,854 INFO L225 Difference]: With dead ends: 810 [2021-12-21 15:38:00,854 INFO L226 Difference]: Without dead ends: 437 [2021-12-21 15:38:00,856 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 374 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-21 15:38:00,856 INFO L933 BasicCegarLoop]: 528 mSDtfsCounter, 146 mSDsluCounter, 1293 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 1821 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 15:38:00,856 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [266 Valid, 1821 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 15:38:00,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2021-12-21 15:38:00,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 437. [2021-12-21 15:38:00,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 259 states have (on average 1.162162162162162) internal successors, (301), 265 states have internal predecessors, (301), 146 states have call successors, (146), 27 states have call predecessors, (146), 30 states have return successors, (159), 145 states have call predecessors, (159), 145 states have call successors, (159) [2021-12-21 15:38:00,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 606 transitions. [2021-12-21 15:38:00,870 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 606 transitions. Word has length 289 [2021-12-21 15:38:00,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:38:00,871 INFO L470 AbstractCegarLoop]: Abstraction has 437 states and 606 transitions. [2021-12-21 15:38:00,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 3 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-21 15:38:00,872 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 606 transitions. [2021-12-21 15:38:00,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2021-12-21 15:38:00,873 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:38:00,873 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:38:00,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-12-21 15:38:01,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:38:01,096 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:38:01,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:38:01,096 INFO L85 PathProgramCache]: Analyzing trace with hash -895725750, now seen corresponding path program 1 times [2021-12-21 15:38:01,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:38:01,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017836767] [2021-12-21 15:38:01,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:01,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:38:01,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:38:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:38:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:38:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:38:01,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:38:01,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:38:01,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:38:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 15:38:01,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:01,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 15:38:01,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:01,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:01,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 15:38:01,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-21 15:38:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-21 15:38:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:01,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 15:38:01,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-21 15:38:01,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-21 15:38:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:01,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:01,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-21 15:38:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-21 15:38:01,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-21 15:38:01,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-21 15:38:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:01,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-21 15:38:01,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:01,444 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2021-12-21 15:38:01,444 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:38:01,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017836767] [2021-12-21 15:38:01,444 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017836767] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:38:01,444 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:38:01,444 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 15:38:01,445 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375496267] [2021-12-21 15:38:01,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:38:01,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 15:38:01,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:38:01,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 15:38:01,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-21 15:38:01,446 INFO L87 Difference]: Start difference. First operand 437 states and 606 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 6 states have internal predecessors, (88), 4 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2021-12-21 15:38:02,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:38:02,300 INFO L93 Difference]: Finished difference Result 807 states and 1129 transitions. [2021-12-21 15:38:02,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 15:38:02,301 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 6 states have internal predecessors, (88), 4 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) Word has length 295 [2021-12-21 15:38:02,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:38:02,303 INFO L225 Difference]: With dead ends: 807 [2021-12-21 15:38:02,303 INFO L226 Difference]: Without dead ends: 437 [2021-12-21 15:38:02,304 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-12-21 15:38:02,304 INFO L933 BasicCegarLoop]: 513 mSDtfsCounter, 385 mSDsluCounter, 1250 mSDsCounter, 0 mSdLazyCounter, 731 mSolverCounterSat, 364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 1763 SdHoareTripleChecker+Invalid, 1095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 364 IncrementalHoareTripleChecker+Valid, 731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-21 15:38:02,305 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [402 Valid, 1763 Invalid, 1095 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [364 Valid, 731 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-21 15:38:02,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2021-12-21 15:38:02,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 437. [2021-12-21 15:38:02,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 259 states have (on average 1.162162162162162) internal successors, (301), 265 states have internal predecessors, (301), 146 states have call successors, (146), 27 states have call predecessors, (146), 30 states have return successors, (152), 145 states have call predecessors, (152), 145 states have call successors, (152) [2021-12-21 15:38:02,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 599 transitions. [2021-12-21 15:38:02,318 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 599 transitions. Word has length 295 [2021-12-21 15:38:02,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:38:02,319 INFO L470 AbstractCegarLoop]: Abstraction has 437 states and 599 transitions. [2021-12-21 15:38:02,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 6 states have internal predecessors, (88), 4 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2021-12-21 15:38:02,319 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 599 transitions. [2021-12-21 15:38:02,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-12-21 15:38:02,320 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:38:02,320 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:38:02,320 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-21 15:38:02,320 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:38:02,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:38:02,320 INFO L85 PathProgramCache]: Analyzing trace with hash 332232255, now seen corresponding path program 1 times [2021-12-21 15:38:02,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:38:02,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789047057] [2021-12-21 15:38:02,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:02,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:38:02,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:38:02,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:38:02,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:02,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:38:02,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:38:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:38:02,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:38:02,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:38:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:02,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:03,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:03,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 15:38:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:03,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:03,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:03,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:03,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:03,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 15:38:03,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:03,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:03,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:03,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:03,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:03,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:03,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:03,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:03,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:03,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 15:38:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:03,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-21 15:38:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:03,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-21 15:38:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:03,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:03,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 15:38:03,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:03,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-21 15:38:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:03,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-21 15:38:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:03,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:03,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:03,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:03,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:03,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:03,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:03,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:03,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:03,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:03,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:03,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-21 15:38:03,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:03,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-21 15:38:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:03,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-21 15:38:03,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:03,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-21 15:38:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:03,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:03,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-21 15:38:03,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:03,592 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2021-12-21 15:38:03,592 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:38:03,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789047057] [2021-12-21 15:38:03,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789047057] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:38:03,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [708157338] [2021-12-21 15:38:03,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:03,592 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:38:03,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:38:03,608 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:38:03,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-12-21 15:38:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:04,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 3392 conjuncts, 47 conjunts are in the unsatisfiable core [2021-12-21 15:38:04,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:38:04,262 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-21 15:38:04,881 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2021-12-21 15:38:05,626 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 256 proven. 5 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2021-12-21 15:38:05,627 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 15:38:07,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [708157338] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:38:07,358 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-21 15:38:07,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 16] total 31 [2021-12-21 15:38:07,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110124884] [2021-12-21 15:38:07,359 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-21 15:38:07,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-12-21 15:38:07,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:38:07,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-12-21 15:38:07,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=1509, Unknown=1, NotChecked=0, Total=1640 [2021-12-21 15:38:07,362 INFO L87 Difference]: Start difference. First operand 437 states and 599 transitions. Second operand has 31 states, 29 states have (on average 7.103448275862069) internal successors, (206), 24 states have internal predecessors, (206), 12 states have call successors, (68), 4 states have call predecessors, (68), 11 states have return successors, (68), 14 states have call predecessors, (68), 12 states have call successors, (68) [2021-12-21 15:38:10,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:38:10,333 INFO L93 Difference]: Finished difference Result 912 states and 1254 transitions. [2021-12-21 15:38:10,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-12-21 15:38:10,334 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 29 states have (on average 7.103448275862069) internal successors, (206), 24 states have internal predecessors, (206), 12 states have call successors, (68), 4 states have call predecessors, (68), 11 states have return successors, (68), 14 states have call predecessors, (68), 12 states have call successors, (68) Word has length 301 [2021-12-21 15:38:10,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:38:10,338 INFO L225 Difference]: With dead ends: 912 [2021-12-21 15:38:10,338 INFO L226 Difference]: Without dead ends: 502 [2021-12-21 15:38:10,341 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 662 GetRequests, 584 SyntacticMatches, 13 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 967 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=319, Invalid=4102, Unknown=1, NotChecked=0, Total=4422 [2021-12-21 15:38:10,341 INFO L933 BasicCegarLoop]: 517 mSDtfsCounter, 270 mSDsluCounter, 7999 mSDsCounter, 0 mSdLazyCounter, 3498 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 8516 SdHoareTripleChecker+Invalid, 4776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 3498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1110 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-21 15:38:10,341 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [401 Valid, 8516 Invalid, 4776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 3498 Invalid, 0 Unknown, 1110 Unchecked, 2.1s Time] [2021-12-21 15:38:10,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2021-12-21 15:38:10,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 489. [2021-12-21 15:38:10,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 299 states have (on average 1.157190635451505) internal successors, (346), 305 states have internal predecessors, (346), 152 states have call successors, (152), 33 states have call predecessors, (152), 36 states have return successors, (168), 151 states have call predecessors, (168), 151 states have call successors, (168) [2021-12-21 15:38:10,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 666 transitions. [2021-12-21 15:38:10,361 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 666 transitions. Word has length 301 [2021-12-21 15:38:10,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:38:10,361 INFO L470 AbstractCegarLoop]: Abstraction has 489 states and 666 transitions. [2021-12-21 15:38:10,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 29 states have (on average 7.103448275862069) internal successors, (206), 24 states have internal predecessors, (206), 12 states have call successors, (68), 4 states have call predecessors, (68), 11 states have return successors, (68), 14 states have call predecessors, (68), 12 states have call successors, (68) [2021-12-21 15:38:10,361 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 666 transitions. [2021-12-21 15:38:10,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-12-21 15:38:10,363 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:38:10,363 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:38:10,396 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-12-21 15:38:10,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-12-21 15:38:10,579 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:38:10,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:38:10,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1736101441, now seen corresponding path program 1 times [2021-12-21 15:38:10,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:38:10,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485967865] [2021-12-21 15:38:10,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:10,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:38:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:38:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:38:10,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:10,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:38:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:38:10,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:38:10,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:38:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:38:10,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:10,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:10,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 15:38:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 15:38:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:10,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:10,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:10,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:10,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 15:38:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-21 15:38:10,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-21 15:38:10,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:10,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 15:38:10,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-21 15:38:10,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-21 15:38:10,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:10,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:10,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:10,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:11,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:11,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:11,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:11,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:11,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:11,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:11,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-21 15:38:11,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:11,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-21 15:38:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:11,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-21 15:38:11,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:11,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-21 15:38:11,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:11,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:11,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-21 15:38:11,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:11,051 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2021-12-21 15:38:11,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:38:11,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485967865] [2021-12-21 15:38:11,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485967865] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:38:11,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919132349] [2021-12-21 15:38:11,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:11,052 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:38:11,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:38:11,072 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:38:11,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-12-21 15:38:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:11,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 3387 conjuncts, 47 conjunts are in the unsatisfiable core [2021-12-21 15:38:11,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:38:11,747 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-21 15:38:12,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 15:38:12,150 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2021-12-21 15:38:12,661 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 256 proven. 5 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2021-12-21 15:38:12,661 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 15:38:14,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [919132349] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:38:14,101 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-21 15:38:14,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 16] total 22 [2021-12-21 15:38:14,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74800801] [2021-12-21 15:38:14,101 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-21 15:38:14,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-12-21 15:38:14,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:38:14,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-12-21 15:38:14,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=892, Unknown=1, NotChecked=0, Total=992 [2021-12-21 15:38:14,102 INFO L87 Difference]: Start difference. First operand 489 states and 666 transitions. Second operand has 22 states, 20 states have (on average 9.85) internal successors, (197), 17 states have internal predecessors, (197), 9 states have call successors, (65), 4 states have call predecessors, (65), 9 states have return successors, (65), 10 states have call predecessors, (65), 9 states have call successors, (65) [2021-12-21 15:38:14,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:38:14,957 INFO L93 Difference]: Finished difference Result 901 states and 1254 transitions. [2021-12-21 15:38:14,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-12-21 15:38:14,957 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 20 states have (on average 9.85) internal successors, (197), 17 states have internal predecessors, (197), 9 states have call successors, (65), 4 states have call predecessors, (65), 9 states have return successors, (65), 10 states have call predecessors, (65), 9 states have call successors, (65) Word has length 301 [2021-12-21 15:38:14,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:38:14,960 INFO L225 Difference]: With dead ends: 901 [2021-12-21 15:38:14,960 INFO L226 Difference]: Without dead ends: 490 [2021-12-21 15:38:14,962 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 629 GetRequests, 577 SyntacticMatches, 12 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 338 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=167, Invalid=1554, Unknown=1, NotChecked=0, Total=1722 [2021-12-21 15:38:14,962 INFO L933 BasicCegarLoop]: 555 mSDtfsCounter, 130 mSDsluCounter, 6312 mSDsCounter, 0 mSdLazyCounter, 1131 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 6867 SdHoareTripleChecker+Invalid, 2575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 1131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1302 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-21 15:38:14,963 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 6867 Invalid, 2575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 1131 Invalid, 0 Unknown, 1302 Unchecked, 0.7s Time] [2021-12-21 15:38:14,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2021-12-21 15:38:14,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 486. [2021-12-21 15:38:14,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 296 states have (on average 1.1554054054054055) internal successors, (342), 302 states have internal predecessors, (342), 152 states have call successors, (152), 33 states have call predecessors, (152), 36 states have return successors, (168), 151 states have call predecessors, (168), 151 states have call successors, (168) [2021-12-21 15:38:15,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 662 transitions. [2021-12-21 15:38:15,001 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 662 transitions. Word has length 301 [2021-12-21 15:38:15,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:38:15,001 INFO L470 AbstractCegarLoop]: Abstraction has 486 states and 662 transitions. [2021-12-21 15:38:15,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 20 states have (on average 9.85) internal successors, (197), 17 states have internal predecessors, (197), 9 states have call successors, (65), 4 states have call predecessors, (65), 9 states have return successors, (65), 10 states have call predecessors, (65), 9 states have call successors, (65) [2021-12-21 15:38:15,002 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 662 transitions. [2021-12-21 15:38:15,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-12-21 15:38:15,003 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:38:15,003 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:38:15,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-12-21 15:38:15,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:38:15,229 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:38:15,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:38:15,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1392376067, now seen corresponding path program 1 times [2021-12-21 15:38:15,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:38:15,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495159797] [2021-12-21 15:38:15,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:15,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:38:15,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:15,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:38:15,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:15,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:38:15,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:15,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:15,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:15,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:38:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:15,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:38:15,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:15,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:38:15,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:15,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:38:15,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:15,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:38:15,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:15,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:15,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:15,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 15:38:15,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:15,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:15,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:15,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 15:38:15,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:15,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:15,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:15,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 15:38:16,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-21 15:38:16,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-21 15:38:16,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 15:38:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-21 15:38:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-21 15:38:16,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:16,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-21 15:38:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-21 15:38:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-21 15:38:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-21 15:38:16,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-21 15:38:16,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,230 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2021-12-21 15:38:16,230 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:38:16,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495159797] [2021-12-21 15:38:16,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495159797] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:38:16,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113285481] [2021-12-21 15:38:16,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:16,231 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:38:16,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:38:16,232 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:38:16,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-12-21 15:38:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 3397 conjuncts, 47 conjunts are in the unsatisfiable core [2021-12-21 15:38:16,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:38:16,848 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-21 15:38:17,254 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2021-12-21 15:38:17,956 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 256 proven. 5 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2021-12-21 15:38:17,956 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 15:38:19,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113285481] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:38:19,443 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-21 15:38:19,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 16] total 31 [2021-12-21 15:38:19,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488769845] [2021-12-21 15:38:19,443 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-21 15:38:19,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-12-21 15:38:19,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:38:19,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-12-21 15:38:19,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=1509, Unknown=1, NotChecked=0, Total=1640 [2021-12-21 15:38:19,445 INFO L87 Difference]: Start difference. First operand 486 states and 662 transitions. Second operand has 31 states, 29 states have (on average 7.103448275862069) internal successors, (206), 24 states have internal predecessors, (206), 12 states have call successors, (68), 4 states have call predecessors, (68), 11 states have return successors, (68), 14 states have call predecessors, (68), 12 states have call successors, (68) [2021-12-21 15:38:21,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:38:21,978 INFO L93 Difference]: Finished difference Result 932 states and 1285 transitions. [2021-12-21 15:38:21,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-12-21 15:38:21,979 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 29 states have (on average 7.103448275862069) internal successors, (206), 24 states have internal predecessors, (206), 12 states have call successors, (68), 4 states have call predecessors, (68), 11 states have return successors, (68), 14 states have call predecessors, (68), 12 states have call successors, (68) Word has length 301 [2021-12-21 15:38:21,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:38:21,992 INFO L225 Difference]: With dead ends: 932 [2021-12-21 15:38:21,992 INFO L226 Difference]: Without dead ends: 501 [2021-12-21 15:38:21,995 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 668 GetRequests, 588 SyntacticMatches, 13 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1049 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=327, Invalid=4364, Unknown=1, NotChecked=0, Total=4692 [2021-12-21 15:38:21,997 INFO L933 BasicCegarLoop]: 527 mSDtfsCounter, 295 mSDsluCounter, 6392 mSDsCounter, 0 mSdLazyCounter, 3028 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 6919 SdHoareTripleChecker+Invalid, 4269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 3028 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1058 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-21 15:38:21,997 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [426 Valid, 6919 Invalid, 4269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 3028 Invalid, 0 Unknown, 1058 Unchecked, 1.6s Time] [2021-12-21 15:38:22,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2021-12-21 15:38:22,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 483. [2021-12-21 15:38:22,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 293 states have (on average 1.1501706484641638) internal successors, (337), 299 states have internal predecessors, (337), 152 states have call successors, (152), 33 states have call predecessors, (152), 36 states have return successors, (158), 151 states have call predecessors, (158), 151 states have call successors, (158) [2021-12-21 15:38:22,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 647 transitions. [2021-12-21 15:38:22,054 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 647 transitions. Word has length 301 [2021-12-21 15:38:22,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:38:22,055 INFO L470 AbstractCegarLoop]: Abstraction has 483 states and 647 transitions. [2021-12-21 15:38:22,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 29 states have (on average 7.103448275862069) internal successors, (206), 24 states have internal predecessors, (206), 12 states have call successors, (68), 4 states have call predecessors, (68), 11 states have return successors, (68), 14 states have call predecessors, (68), 12 states have call successors, (68) [2021-12-21 15:38:22,056 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 647 transitions. [2021-12-21 15:38:22,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-12-21 15:38:22,067 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:38:22,067 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:38:22,096 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-12-21 15:38:22,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:38:22,287 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:38:22,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:38:22,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1739958205, now seen corresponding path program 1 times [2021-12-21 15:38:22,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:38:22,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334658424] [2021-12-21 15:38:22,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:22,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:38:22,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:22,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:38:22,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:22,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:38:22,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:22,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:22,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:22,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:38:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:22,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:38:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:22,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:38:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:22,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:38:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:22,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:38:22,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:22,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:22,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:22,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:22,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:22,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 15:38:22,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:22,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:22,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:22,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:22,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:23,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 15:38:23,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:23,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:23,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:23,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:23,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:23,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:23,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:23,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:23,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:23,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:23,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:23,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:23,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:23,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:23,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:23,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:23,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 15:38:23,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:23,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-21 15:38:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:23,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-21 15:38:23,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:23,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:23,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 15:38:23,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:23,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-21 15:38:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:23,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-21 15:38:23,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:23,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:23,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:23,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:23,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:23,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:23,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:23,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:23,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:23,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:23,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:23,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:23,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:23,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:23,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-21 15:38:23,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:23,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-21 15:38:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:23,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-21 15:38:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:23,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-21 15:38:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:23,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:23,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:23,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-21 15:38:23,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:23,511 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2021-12-21 15:38:23,511 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:38:23,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334658424] [2021-12-21 15:38:23,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334658424] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:38:23,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [64476921] [2021-12-21 15:38:23,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:23,512 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:38:23,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:38:23,523 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:38:23,525 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-12-21 15:38:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:24,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 3387 conjuncts, 28 conjunts are in the unsatisfiable core [2021-12-21 15:38:24,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:38:24,329 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-21 15:38:24,701 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 256 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2021-12-21 15:38:24,702 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:38:24,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [64476921] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:38:24,702 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:38:24,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [21] total 29 [2021-12-21 15:38:24,702 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571648983] [2021-12-21 15:38:24,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:38:24,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-21 15:38:24,703 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:38:24,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-21 15:38:24,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=743, Unknown=0, NotChecked=0, Total=812 [2021-12-21 15:38:24,704 INFO L87 Difference]: Start difference. First operand 483 states and 647 transitions. Second operand has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 9 states have internal predecessors, (130), 4 states have call successors, (36), 3 states have call predecessors, (36), 4 states have return successors, (35), 4 states have call predecessors, (35), 4 states have call successors, (35) [2021-12-21 15:38:24,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:38:24,870 INFO L93 Difference]: Finished difference Result 879 states and 1198 transitions. [2021-12-21 15:38:24,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-21 15:38:24,872 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 9 states have internal predecessors, (130), 4 states have call successors, (36), 3 states have call predecessors, (36), 4 states have return successors, (35), 4 states have call predecessors, (35), 4 states have call successors, (35) Word has length 301 [2021-12-21 15:38:24,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:38:24,875 INFO L225 Difference]: With dead ends: 879 [2021-12-21 15:38:24,875 INFO L226 Difference]: Without dead ends: 496 [2021-12-21 15:38:24,876 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 378 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=74, Invalid=796, Unknown=0, NotChecked=0, Total=870 [2021-12-21 15:38:24,877 INFO L933 BasicCegarLoop]: 543 mSDtfsCounter, 31 mSDsluCounter, 2536 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 3079 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 139 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 15:38:24,877 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 3079 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 139 Unchecked, 0.1s Time] [2021-12-21 15:38:24,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2021-12-21 15:38:24,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 496. [2021-12-21 15:38:24,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 305 states have (on average 1.1540983606557378) internal successors, (352), 311 states have internal predecessors, (352), 152 states have call successors, (152), 34 states have call predecessors, (152), 37 states have return successors, (159), 151 states have call predecessors, (159), 151 states have call successors, (159) [2021-12-21 15:38:24,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 663 transitions. [2021-12-21 15:38:24,896 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 663 transitions. Word has length 301 [2021-12-21 15:38:24,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:38:24,896 INFO L470 AbstractCegarLoop]: Abstraction has 496 states and 663 transitions. [2021-12-21 15:38:24,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.818181818181818) internal successors, (130), 9 states have internal predecessors, (130), 4 states have call successors, (36), 3 states have call predecessors, (36), 4 states have return successors, (35), 4 states have call predecessors, (35), 4 states have call successors, (35) [2021-12-21 15:38:24,897 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 663 transitions. [2021-12-21 15:38:24,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-12-21 15:38:24,898 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:38:24,898 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:38:24,920 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2021-12-21 15:38:25,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:38:25,111 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:38:25,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:38:25,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1155186555, now seen corresponding path program 1 times [2021-12-21 15:38:25,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:38:25,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010203162] [2021-12-21 15:38:25,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:25,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:38:25,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:38:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:38:25,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:38:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:38:25,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:38:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:38:25,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:38:25,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:25,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:25,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 15:38:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 15:38:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:25,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:25,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:25,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:25,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 15:38:25,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-21 15:38:25,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-21 15:38:25,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:25,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 15:38:25,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-21 15:38:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-21 15:38:25,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:25,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:25,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:25,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:25,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:25,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:25,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-21 15:38:25,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-21 15:38:25,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-21 15:38:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-21 15:38:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:25,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-21 15:38:25,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:25,576 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 433 trivial. 0 not checked. [2021-12-21 15:38:25,577 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:38:25,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010203162] [2021-12-21 15:38:25,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010203162] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:38:25,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [852796132] [2021-12-21 15:38:25,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:25,592 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:38:25,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:38:25,593 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:38:25,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-12-21 15:38:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:26,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 3382 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-21 15:38:26,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:38:26,877 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 250 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2021-12-21 15:38:26,878 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:38:26,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [852796132] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:38:26,878 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:38:26,878 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2021-12-21 15:38:26,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28302365] [2021-12-21 15:38:26,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:38:26,878 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 15:38:26,878 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:38:26,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 15:38:26,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 15:38:26,879 INFO L87 Difference]: Start difference. First operand 496 states and 663 transitions. Second operand has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-12-21 15:38:26,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:38:26,905 INFO L93 Difference]: Finished difference Result 882 states and 1219 transitions. [2021-12-21 15:38:26,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 15:38:26,920 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 301 [2021-12-21 15:38:26,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:38:26,922 INFO L225 Difference]: With dead ends: 882 [2021-12-21 15:38:26,922 INFO L226 Difference]: Without dead ends: 502 [2021-12-21 15:38:26,924 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 388 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 15:38:26,924 INFO L933 BasicCegarLoop]: 558 mSDtfsCounter, 20 mSDsluCounter, 1075 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 1633 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 15:38:26,924 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 1633 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 15:38:26,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2021-12-21 15:38:26,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 490. [2021-12-21 15:38:26,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 300 states have (on average 1.1533333333333333) internal successors, (346), 305 states have internal predecessors, (346), 152 states have call successors, (152), 34 states have call predecessors, (152), 36 states have return successors, (158), 151 states have call predecessors, (158), 151 states have call successors, (158) [2021-12-21 15:38:26,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 656 transitions. [2021-12-21 15:38:26,958 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 656 transitions. Word has length 301 [2021-12-21 15:38:26,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:38:26,958 INFO L470 AbstractCegarLoop]: Abstraction has 490 states and 656 transitions. [2021-12-21 15:38:26,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-12-21 15:38:26,958 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 656 transitions. [2021-12-21 15:38:26,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-12-21 15:38:26,959 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:38:26,959 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:38:27,013 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2021-12-21 15:38:27,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:38:27,193 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:38:27,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:38:27,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1436790455, now seen corresponding path program 1 times [2021-12-21 15:38:27,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:38:27,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707786271] [2021-12-21 15:38:27,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:27,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:38:27,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:38:27,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:38:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:38:27,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:38:27,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:38:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:38:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:38:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:27,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 15:38:27,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 15:38:27,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:27,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:27,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:27,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:27,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:27,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 15:38:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-21 15:38:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-21 15:38:27,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 15:38:27,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-21 15:38:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-21 15:38:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:27,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:27,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:27,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:27,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-21 15:38:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-21 15:38:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-21 15:38:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-21 15:38:27,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:27,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-21 15:38:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:27,634 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2021-12-21 15:38:27,634 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:38:27,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707786271] [2021-12-21 15:38:27,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707786271] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:38:27,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [399066828] [2021-12-21 15:38:27,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:27,635 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:38:27,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:38:27,652 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:38:27,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-12-21 15:38:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:28,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 3394 conjuncts, 32 conjunts are in the unsatisfiable core [2021-12-21 15:38:28,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:38:28,660 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2021-12-21 15:38:28,660 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:38:28,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [399066828] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:38:28,660 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:38:28,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 11 [2021-12-21 15:38:28,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301591364] [2021-12-21 15:38:28,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:38:28,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-21 15:38:28,661 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:38:28,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-21 15:38:28,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-12-21 15:38:28,662 INFO L87 Difference]: Start difference. First operand 490 states and 656 transitions. Second operand has 9 states, 8 states have (on average 16.875) internal successors, (135), 8 states have internal predecessors, (135), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-21 15:38:28,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:38:28,769 INFO L93 Difference]: Finished difference Result 873 states and 1201 transitions. [2021-12-21 15:38:28,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-21 15:38:28,769 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 16.875) internal successors, (135), 8 states have internal predecessors, (135), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 305 [2021-12-21 15:38:28,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:38:28,771 INFO L225 Difference]: With dead ends: 873 [2021-12-21 15:38:28,772 INFO L226 Difference]: Without dead ends: 495 [2021-12-21 15:38:28,773 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 388 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-12-21 15:38:28,773 INFO L933 BasicCegarLoop]: 541 mSDtfsCounter, 12 mSDsluCounter, 3744 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 4285 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 15:38:28,773 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 4285 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 15:38:28,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2021-12-21 15:38:28,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 495. [2021-12-21 15:38:28,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 304 states have (on average 1.1513157894736843) internal successors, (350), 310 states have internal predecessors, (350), 152 states have call successors, (152), 34 states have call predecessors, (152), 37 states have return successors, (169), 151 states have call predecessors, (169), 151 states have call successors, (169) [2021-12-21 15:38:28,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 671 transitions. [2021-12-21 15:38:28,790 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 671 transitions. Word has length 305 [2021-12-21 15:38:28,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:38:28,791 INFO L470 AbstractCegarLoop]: Abstraction has 495 states and 671 transitions. [2021-12-21 15:38:28,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 16.875) internal successors, (135), 8 states have internal predecessors, (135), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-21 15:38:28,791 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 671 transitions. [2021-12-21 15:38:28,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-12-21 15:38:28,792 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:38:28,792 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:38:28,817 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2021-12-21 15:38:29,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-12-21 15:38:29,006 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:38:29,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:38:29,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1458254578, now seen corresponding path program 1 times [2021-12-21 15:38:29,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:38:29,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292269060] [2021-12-21 15:38:29,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:29,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:38:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:38:29,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:38:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:29,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:38:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:38:29,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:38:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:38:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:38:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:29,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 15:38:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 15:38:29,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:29,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:29,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:29,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 15:38:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-21 15:38:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-21 15:38:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 15:38:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-21 15:38:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-21 15:38:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:29,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:29,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:29,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-21 15:38:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-21 15:38:29,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-12-21 15:38:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-21 15:38:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:29,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-21 15:38:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:29,541 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2021-12-21 15:38:29,541 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:38:29,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292269060] [2021-12-21 15:38:29,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292269060] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:38:29,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494679187] [2021-12-21 15:38:29,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:29,542 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:38:29,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:38:29,543 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:38:29,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process