./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 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_init_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 ccc87605c4556c18c172bc882c4bc58637928d3f75ad69e0a339ead8d6093a78 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-16 21:53:48,126 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-16 21:53:48,133 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-16 21:53:48,174 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-16 21:53:48,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-16 21:53:48,177 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-16 21:53:48,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-16 21:53:48,182 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-16 21:53:48,183 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-16 21:53:48,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-16 21:53:48,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-16 21:53:48,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-16 21:53:48,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-16 21:53:48,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-16 21:53:48,191 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-16 21:53:48,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-16 21:53:48,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-16 21:53:48,194 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-16 21:53:48,195 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-16 21:53:48,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-16 21:53:48,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-16 21:53:48,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-16 21:53:48,199 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-16 21:53:48,200 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-16 21:53:48,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-16 21:53:48,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-16 21:53:48,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-16 21:53:48,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-16 21:53:48,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-16 21:53:48,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-16 21:53:48,208 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-16 21:53:48,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-16 21:53:48,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-16 21:53:48,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-16 21:53:48,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-16 21:53:48,212 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-16 21:53:48,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-16 21:53:48,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-16 21:53:48,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-16 21:53:48,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-16 21:53:48,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-16 21:53:48,215 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-16 21:53:48,230 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-16 21:53:48,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-16 21:53:48,231 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-16 21:53:48,231 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-16 21:53:48,232 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-16 21:53:48,232 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-16 21:53:48,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-16 21:53:48,233 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-16 21:53:48,233 INFO L138 SettingsManager]: * Use SBE=true [2021-11-16 21:53:48,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-16 21:53:48,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-16 21:53:48,234 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-16 21:53:48,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-16 21:53:48,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-16 21:53:48,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-16 21:53:48,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-16 21:53:48,235 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-16 21:53:48,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-16 21:53:48,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-16 21:53:48,235 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-16 21:53:48,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-16 21:53:48,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-16 21:53:48,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-16 21:53:48,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-16 21:53:48,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-16 21:53:48,236 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-16 21:53:48,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-16 21:53:48,237 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-16 21:53:48,237 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-16 21:53:48,238 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-16 21:53:48,238 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-16 21:53:48,238 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ccc87605c4556c18c172bc882c4bc58637928d3f75ad69e0a339ead8d6093a78 [2021-11-16 21:53:48,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-16 21:53:48,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-16 21:53:48,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-16 21:53:48,438 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-16 21:53:48,438 INFO L275 PluginConnector]: CDTParser initialized [2021-11-16 21:53:48,439 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i [2021-11-16 21:53:48,485 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9d5ebd2c/d8d60a9d1f3849f197ce58a6d7742d39/FLAG3dd0bd0ef [2021-11-16 21:53:49,026 INFO L306 CDTParser]: Found 1 translation units. [2021-11-16 21:53:49,029 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i [2021-11-16 21:53:49,059 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9d5ebd2c/d8d60a9d1f3849f197ce58a6d7742d39/FLAG3dd0bd0ef [2021-11-16 21:53:49,510 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9d5ebd2c/d8d60a9d1f3849f197ce58a6d7742d39 [2021-11-16 21:53:49,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-16 21:53:49,512 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-16 21:53:49,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-16 21:53:49,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-16 21:53:49,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-16 21:53:49,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:53:49" (1/1) ... [2021-11-16 21:53:49,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e547251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:53:49, skipping insertion in model container [2021-11-16 21:53:49,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:53:49" (1/1) ... [2021-11-16 21:53:49,522 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-16 21:53:49,583 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-16 21:53:49,768 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_init_harness.i[4494,4507] [2021-11-16 21:53:49,774 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_init_harness.i[4554,4567] [2021-11-16 21:53:49,785 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-16 21:53:49,788 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-16 21:53:50,188 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:53:50,189 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:53:50,189 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:53:50,190 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:53:50,190 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:53:50,209 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:53:50,213 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:53:50,214 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:53:50,215 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:53:50,216 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:53:50,217 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:53:50,217 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:53:50,218 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:53:50,374 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-16 21:53:50,378 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-16 21:53:50,378 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-16 21:53:50,379 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-16 21:53:50,381 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-16 21:53:50,381 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-16 21:53:50,382 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-16 21:53:50,383 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-16 21:53:50,384 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-16 21:53:50,390 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-16 21:53:50,486 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-16 21:53:50,526 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-16 21:53:50,548 INFO L203 MainTranslator]: Completed pre-run [2021-11-16 21:53:50,563 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_init_harness.i[4494,4507] [2021-11-16 21:53:50,563 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_init_harness.i[4554,4567] [2021-11-16 21:53:50,564 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-16 21:53:50,565 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-16 21:53:50,602 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:53:50,603 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:53:50,603 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:53:50,603 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:53:50,606 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:53:50,632 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:53:50,632 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:53:50,634 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:53:50,634 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:53:50,635 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:53:50,635 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:53:50,635 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:53:50,636 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:53:50,677 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-16 21:53:50,680 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-16 21:53:50,681 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-16 21:53:50,681 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-16 21:53:50,682 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-16 21:53:50,682 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-16 21:53:50,682 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-16 21:53:50,682 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-16 21:53:50,683 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-16 21:53:50,683 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-16 21:53:50,699 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-16 21:53:50,733 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-16 21:53:50,854 INFO L208 MainTranslator]: Completed translation [2021-11-16 21:53:50,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:53:50 WrapperNode [2021-11-16 21:53:50,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-16 21:53:50,855 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-16 21:53:50,856 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-16 21:53:50,856 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-16 21:53:50,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:53:50" (1/1) ... [2021-11-16 21:53:50,918 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:53:50" (1/1) ... [2021-11-16 21:53:50,996 INFO L137 Inliner]: procedures = 691, calls = 1513, calls flagged for inlining = 49, calls inlined = 7, statements flattened = 565 [2021-11-16 21:53:50,997 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-16 21:53:50,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-16 21:53:50,998 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-16 21:53:50,998 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-16 21:53:51,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:53:50" (1/1) ... [2021-11-16 21:53:51,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:53:50" (1/1) ... [2021-11-16 21:53:51,020 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:53:50" (1/1) ... [2021-11-16 21:53:51,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:53:50" (1/1) ... [2021-11-16 21:53:51,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:53:50" (1/1) ... [2021-11-16 21:53:51,066 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:53:50" (1/1) ... [2021-11-16 21:53:51,071 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:53:50" (1/1) ... [2021-11-16 21:53:51,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-16 21:53:51,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-16 21:53:51,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-16 21:53:51,086 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-16 21:53:51,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:53:50" (1/1) ... [2021-11-16 21:53:51,092 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-16 21:53:51,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 21:53:51,116 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) [2021-11-16 21:53:51,139 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 [2021-11-16 21:53:51,151 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2021-11-16 21:53:51,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-16 21:53:51,152 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-16 21:53:51,152 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-16 21:53:51,152 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2021-11-16 21:53:51,153 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2021-11-16 21:53:51,153 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2021-11-16 21:53:51,153 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2021-11-16 21:53:51,154 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_init_ptr [2021-11-16 21:53:51,154 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_init_ptr [2021-11-16 21:53:51,154 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-16 21:53:51,154 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-16 21:53:51,154 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-16 21:53:51,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-16 21:53:51,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-16 21:53:51,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-16 21:53:51,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-16 21:53:51,155 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2021-11-16 21:53:51,155 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2021-11-16 21:53:51,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-16 21:53:51,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-16 21:53:51,156 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-16 21:53:51,156 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-16 21:53:51,156 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2021-11-16 21:53:51,156 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2021-11-16 21:53:51,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-16 21:53:51,157 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-16 21:53:51,157 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-16 21:53:51,157 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-16 21:53:51,157 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2021-11-16 21:53:51,157 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2021-11-16 21:53:51,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-16 21:53:51,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-16 21:53:51,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-16 21:53:51,158 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2021-11-16 21:53:51,158 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2021-11-16 21:53:51,158 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-16 21:53:51,158 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-16 21:53:51,158 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2021-11-16 21:53:51,158 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2021-11-16 21:53:51,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-16 21:53:51,385 INFO L236 CfgBuilder]: Building ICFG [2021-11-16 21:53:51,387 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-16 21:53:52,209 INFO L277 CfgBuilder]: Performing block encoding [2021-11-16 21:53:52,217 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-16 21:53:52,218 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-16 21:53:52,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 09:53:52 BoogieIcfgContainer [2021-11-16 21:53:52,219 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-16 21:53:52,220 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-16 21:53:52,221 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-16 21:53:52,223 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-16 21:53:52,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 09:53:49" (1/3) ... [2021-11-16 21:53:52,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f96262b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 09:53:52, skipping insertion in model container [2021-11-16 21:53:52,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:53:50" (2/3) ... [2021-11-16 21:53:52,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f96262b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 09:53:52, skipping insertion in model container [2021-11-16 21:53:52,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 09:53:52" (3/3) ... [2021-11-16 21:53:52,225 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_init_harness.i [2021-11-16 21:53:52,229 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-16 21:53:52,229 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-16 21:53:52,269 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-16 21:53:52,284 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 [2021-11-16 21:53:52,285 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-16 21:53:52,300 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 91 states have (on average 1.2307692307692308) internal successors, (112), 93 states have internal predecessors, (112), 29 states have call successors, (29), 15 states have call predecessors, (29), 15 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2021-11-16 21:53:52,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-16 21:53:52,309 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 21:53:52,309 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 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] [2021-11-16 21:53:52,310 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 21:53:52,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 21:53:52,313 INFO L85 PathProgramCache]: Analyzing trace with hash 2019519192, now seen corresponding path program 1 times [2021-11-16 21:53:52,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 21:53:52,319 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314192574] [2021-11-16 21:53:52,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:53:52,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 21:53:52,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:52,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 21:53:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:52,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-16 21:53:52,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:52,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 21:53:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:52,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-16 21:53:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:52,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 21:53:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:52,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-16 21:53:52,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:52,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:53:52,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:52,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:53:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:52,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-16 21:53:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:52,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-16 21:53:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:52,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-16 21:53:52,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:52,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:53:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:52,856 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-11-16 21:53:52,856 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 21:53:52,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314192574] [2021-11-16 21:53:52,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314192574] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 21:53:52,858 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 21:53:52,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-16 21:53:52,859 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931582262] [2021-11-16 21:53:52,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 21:53:52,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-16 21:53:52,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 21:53:52,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-16 21:53:52,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-16 21:53:52,894 INFO L87 Difference]: Start difference. First operand has 137 states, 91 states have (on average 1.2307692307692308) internal successors, (112), 93 states have internal predecessors, (112), 29 states have call successors, (29), 15 states have call predecessors, (29), 15 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-16 21:53:54,925 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 21:53:55,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 21:53:55,165 INFO L93 Difference]: Finished difference Result 281 states and 366 transitions. [2021-11-16 21:53:55,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-16 21:53:55,181 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 83 [2021-11-16 21:53:55,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 21:53:55,193 INFO L225 Difference]: With dead ends: 281 [2021-11-16 21:53:55,194 INFO L226 Difference]: Without dead ends: 143 [2021-11-16 21:53:55,199 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-16 21:53:55,201 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 160 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 74 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-16 21:53:55,206 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 183 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-11-16 21:53:55,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2021-11-16 21:53:55,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 130. [2021-11-16 21:53:55,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 84 states have (on average 1.1904761904761905) internal successors, (100), 86 states have internal predecessors, (100), 29 states have call successors, (29), 15 states have call predecessors, (29), 15 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2021-11-16 21:53:55,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 157 transitions. [2021-11-16 21:53:55,244 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 157 transitions. Word has length 83 [2021-11-16 21:53:55,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 21:53:55,244 INFO L470 AbstractCegarLoop]: Abstraction has 130 states and 157 transitions. [2021-11-16 21:53:55,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-16 21:53:55,245 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 157 transitions. [2021-11-16 21:53:55,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-16 21:53:55,247 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 21:53:55,247 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 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] [2021-11-16 21:53:55,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-16 21:53:55,248 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 21:53:55,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 21:53:55,249 INFO L85 PathProgramCache]: Analyzing trace with hash -384546217, now seen corresponding path program 1 times [2021-11-16 21:53:55,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 21:53:55,249 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341410555] [2021-11-16 21:53:55,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:53:55,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 21:53:55,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:55,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 21:53:55,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:55,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-16 21:53:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:55,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 21:53:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:55,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-16 21:53:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:55,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 21:53:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:55,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-16 21:53:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:55,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-16 21:53:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:55,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:53:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:55,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:53:55,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:55,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-16 21:53:55,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:55,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-16 21:53:55,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:55,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-16 21:53:55,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:55,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:53:55,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:55,653 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-11-16 21:53:55,653 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 21:53:55,653 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341410555] [2021-11-16 21:53:55,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341410555] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 21:53:55,654 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 21:53:55,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-16 21:53:55,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894127700] [2021-11-16 21:53:55,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 21:53:55,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-16 21:53:55,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 21:53:55,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-16 21:53:55,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-11-16 21:53:55,656 INFO L87 Difference]: Start difference. First operand 130 states and 157 transitions. Second operand has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (16), 5 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 1 states have call successors, (13) [2021-11-16 21:53:57,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 21:53:57,410 INFO L93 Difference]: Finished difference Result 217 states and 264 transitions. [2021-11-16 21:53:57,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-16 21:53:57,410 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (16), 5 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 1 states have call successors, (13) Word has length 89 [2021-11-16 21:53:57,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 21:53:57,412 INFO L225 Difference]: With dead ends: 217 [2021-11-16 21:53:57,412 INFO L226 Difference]: Without dead ends: 146 [2021-11-16 21:53:57,413 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2021-11-16 21:53:57,414 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 171 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-16 21:53:57,414 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 404 Invalid, 608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-16 21:53:57,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-11-16 21:53:57,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 135. [2021-11-16 21:53:57,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 88 states have (on average 1.1818181818181819) internal successors, (104), 90 states have internal predecessors, (104), 29 states have call successors, (29), 15 states have call predecessors, (29), 16 states have return successors, (29), 29 states have call predecessors, (29), 28 states have call successors, (29) [2021-11-16 21:53:57,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 162 transitions. [2021-11-16 21:53:57,447 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 162 transitions. Word has length 89 [2021-11-16 21:53:57,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 21:53:57,447 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 162 transitions. [2021-11-16 21:53:57,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (16), 5 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 1 states have call successors, (13) [2021-11-16 21:53:57,448 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 162 transitions. [2021-11-16 21:53:57,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-16 21:53:57,453 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 21:53:57,455 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 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] [2021-11-16 21:53:57,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-16 21:53:57,459 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 21:53:57,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 21:53:57,459 INFO L85 PathProgramCache]: Analyzing trace with hash -824418939, now seen corresponding path program 1 times [2021-11-16 21:53:57,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 21:53:57,460 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010079914] [2021-11-16 21:53:57,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:53:57,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 21:53:57,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:57,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 21:53:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:57,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-16 21:53:57,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:57,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 21:53:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:57,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-16 21:53:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:57,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 21:53:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:57,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-16 21:53:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:57,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-16 21:53:57,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:57,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:53:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:57,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:53:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:57,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-16 21:53:57,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:57,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-16 21:53:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:57,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-16 21:53:57,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:57,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:53:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:57,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-16 21:53:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:57,711 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-11-16 21:53:57,711 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 21:53:57,711 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010079914] [2021-11-16 21:53:57,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010079914] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 21:53:57,712 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 21:53:57,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-16 21:53:57,712 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832266545] [2021-11-16 21:53:57,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 21:53:57,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-16 21:53:57,713 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 21:53:57,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-16 21:53:57,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-16 21:53:57,713 INFO L87 Difference]: Start difference. First operand 135 states and 162 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2021-11-16 21:53:59,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 21:53:59,764 INFO L93 Difference]: Finished difference Result 202 states and 244 transitions. [2021-11-16 21:53:59,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-16 21:53:59,765 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 95 [2021-11-16 21:53:59,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 21:53:59,766 INFO L225 Difference]: With dead ends: 202 [2021-11-16 21:53:59,767 INFO L226 Difference]: Without dead ends: 146 [2021-11-16 21:53:59,767 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-11-16 21:53:59,768 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 330 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-16 21:53:59,768 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [330 Valid, 287 Invalid, 493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-16 21:53:59,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-11-16 21:53:59,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 135. [2021-11-16 21:53:59,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 88 states have (on average 1.1704545454545454) internal successors, (103), 90 states have internal predecessors, (103), 29 states have call successors, (29), 15 states have call predecessors, (29), 16 states have return successors, (29), 29 states have call predecessors, (29), 28 states have call successors, (29) [2021-11-16 21:53:59,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 161 transitions. [2021-11-16 21:53:59,778 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 161 transitions. Word has length 95 [2021-11-16 21:53:59,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 21:53:59,778 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 161 transitions. [2021-11-16 21:53:59,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2021-11-16 21:53:59,779 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 161 transitions. [2021-11-16 21:53:59,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-16 21:53:59,780 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 21:53:59,780 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 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] [2021-11-16 21:53:59,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-16 21:53:59,781 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 21:53:59,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 21:53:59,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1547678912, now seen corresponding path program 1 times [2021-11-16 21:53:59,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 21:53:59,781 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686740703] [2021-11-16 21:53:59,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:53:59,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 21:53:59,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:59,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 21:53:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:59,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-16 21:53:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:59,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 21:53:59,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:59,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-16 21:53:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:59,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 21:53:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:59,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-16 21:53:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:53:59,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-16 21:53:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:00,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:00,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:00,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-16 21:54:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:00,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-16 21:54:00,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:00,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-16 21:54:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:00,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:00,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-16 21:54:00,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:00,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-16 21:54:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:00,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-16 21:54:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:00,139 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-16 21:54:00,140 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 21:54:00,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686740703] [2021-11-16 21:54:00,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686740703] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 21:54:00,142 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 21:54:00,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-16 21:54:00,142 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077260467] [2021-11-16 21:54:00,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 21:54:00,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-16 21:54:00,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 21:54:00,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-16 21:54:00,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-16 21:54:00,144 INFO L87 Difference]: Start difference. First operand 135 states and 161 transitions. Second operand has 10 states, 10 states have (on average 4.9) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16) [2021-11-16 21:54:01,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 21:54:01,568 INFO L93 Difference]: Finished difference Result 214 states and 258 transitions. [2021-11-16 21:54:01,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-16 21:54:01,569 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16) Word has length 103 [2021-11-16 21:54:01,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 21:54:01,570 INFO L225 Difference]: With dead ends: 214 [2021-11-16 21:54:01,570 INFO L226 Difference]: Without dead ends: 127 [2021-11-16 21:54:01,571 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2021-11-16 21:54:01,571 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 183 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-16 21:54:01,572 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 410 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-16 21:54:01,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-11-16 21:54:01,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 124. [2021-11-16 21:54:01,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 80 states have (on average 1.1625) internal successors, (93), 82 states have internal predecessors, (93), 28 states have call successors, (28), 14 states have call predecessors, (28), 14 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2021-11-16 21:54:01,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 148 transitions. [2021-11-16 21:54:01,579 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 148 transitions. Word has length 103 [2021-11-16 21:54:01,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 21:54:01,580 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 148 transitions. [2021-11-16 21:54:01,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16) [2021-11-16 21:54:01,580 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 148 transitions. [2021-11-16 21:54:01,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-16 21:54:01,581 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 21:54:01,581 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 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] [2021-11-16 21:54:01,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-16 21:54:01,581 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 21:54:01,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 21:54:01,582 INFO L85 PathProgramCache]: Analyzing trace with hash -907291095, now seen corresponding path program 1 times [2021-11-16 21:54:01,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 21:54:01,582 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352599989] [2021-11-16 21:54:01,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:54:01,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 21:54:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:01,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 21:54:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:01,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-16 21:54:01,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:01,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 21:54:01,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:01,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-16 21:54:01,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:01,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 21:54:01,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:01,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-16 21:54:01,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:01,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-16 21:54:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:01,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:01,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:01,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-16 21:54:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:01,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-16 21:54:01,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:01,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-16 21:54:01,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:01,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:01,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:01,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 21:54:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:01,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:01,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:01,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-16 21:54:01,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:01,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-16 21:54:01,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:01,833 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-11-16 21:54:01,833 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 21:54:01,833 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352599989] [2021-11-16 21:54:01,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352599989] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 21:54:01,834 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 21:54:01,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-16 21:54:01,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683278357] [2021-11-16 21:54:01,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 21:54:01,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-16 21:54:01,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 21:54:01,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-16 21:54:01,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-11-16 21:54:01,836 INFO L87 Difference]: Start difference. First operand 124 states and 148 transitions. Second operand has 9 states, 8 states have (on average 6.125) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2021-11-16 21:54:02,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 21:54:02,316 INFO L93 Difference]: Finished difference Result 181 states and 225 transitions. [2021-11-16 21:54:02,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-16 21:54:02,317 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 108 [2021-11-16 21:54:02,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 21:54:02,318 INFO L225 Difference]: With dead ends: 181 [2021-11-16 21:54:02,318 INFO L226 Difference]: Without dead ends: 123 [2021-11-16 21:54:02,318 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2021-11-16 21:54:02,319 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 222 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-16 21:54:02,319 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [222 Valid, 365 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-16 21:54:02,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2021-11-16 21:54:02,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 120. [2021-11-16 21:54:02,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 77 states have (on average 1.1428571428571428) internal successors, (88), 78 states have internal predecessors, (88), 28 states have call successors, (28), 14 states have call predecessors, (28), 14 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2021-11-16 21:54:02,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 143 transitions. [2021-11-16 21:54:02,326 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 143 transitions. Word has length 108 [2021-11-16 21:54:02,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 21:54:02,326 INFO L470 AbstractCegarLoop]: Abstraction has 120 states and 143 transitions. [2021-11-16 21:54:02,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2021-11-16 21:54:02,327 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 143 transitions. [2021-11-16 21:54:02,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-16 21:54:02,328 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 21:54:02,328 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 21:54:02,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-16 21:54:02,328 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 21:54:02,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 21:54:02,329 INFO L85 PathProgramCache]: Analyzing trace with hash 210899362, now seen corresponding path program 1 times [2021-11-16 21:54:02,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 21:54:02,329 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553116972] [2021-11-16 21:54:02,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:54:02,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 21:54:02,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:02,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 21:54:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:02,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-16 21:54:02,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:02,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 21:54:02,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:02,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-16 21:54:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:02,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 21:54:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:02,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-16 21:54:02,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:02,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-16 21:54:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:02,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:02,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:02,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:02,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-16 21:54:02,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:02,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-16 21:54:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:02,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-16 21:54:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:02,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:02,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 21:54:02,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:02,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:02,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-16 21:54:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:02,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-16 21:54:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:02,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-16 21:54:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:02,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:02,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:02,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 21:54:02,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:02,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:02,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:02,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-16 21:54:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:02,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-16 21:54:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:02,613 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-16 21:54:02,614 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 21:54:02,614 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553116972] [2021-11-16 21:54:02,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553116972] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 21:54:02,614 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 21:54:02,614 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-16 21:54:02,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551901859] [2021-11-16 21:54:02,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 21:54:02,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-16 21:54:02,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 21:54:02,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-16 21:54:02,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-16 21:54:02,616 INFO L87 Difference]: Start difference. First operand 120 states and 143 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2021-11-16 21:54:03,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 21:54:03,102 INFO L93 Difference]: Finished difference Result 181 states and 221 transitions. [2021-11-16 21:54:03,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-16 21:54:03,103 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) Word has length 147 [2021-11-16 21:54:03,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 21:54:03,104 INFO L225 Difference]: With dead ends: 181 [2021-11-16 21:54:03,104 INFO L226 Difference]: Without dead ends: 127 [2021-11-16 21:54:03,105 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2021-11-16 21:54:03,105 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 208 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-16 21:54:03,105 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 255 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-16 21:54:03,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-11-16 21:54:03,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 122. [2021-11-16 21:54:03,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 79 states have (on average 1.139240506329114) internal successors, (90), 80 states have internal predecessors, (90), 28 states have call successors, (28), 14 states have call predecessors, (28), 14 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2021-11-16 21:54:03,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 145 transitions. [2021-11-16 21:54:03,112 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 145 transitions. Word has length 147 [2021-11-16 21:54:03,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 21:54:03,112 INFO L470 AbstractCegarLoop]: Abstraction has 122 states and 145 transitions. [2021-11-16 21:54:03,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 1 states have call successors, (23) [2021-11-16 21:54:03,113 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 145 transitions. [2021-11-16 21:54:03,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-16 21:54:03,114 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 21:54:03,114 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 21:54:03,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-16 21:54:03,114 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 21:54:03,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 21:54:03,115 INFO L85 PathProgramCache]: Analyzing trace with hash -598447264, now seen corresponding path program 1 times [2021-11-16 21:54:03,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 21:54:03,115 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022557150] [2021-11-16 21:54:03,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:54:03,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 21:54:03,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:03,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 21:54:03,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:03,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-16 21:54:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:03,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 21:54:03,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:03,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-16 21:54:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:03,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 21:54:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:03,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-16 21:54:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:03,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-16 21:54:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:03,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:03,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:03,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:03,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-16 21:54:03,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:03,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-16 21:54:03,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:03,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-16 21:54:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:03,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:03,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 21:54:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:03,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:03,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:03,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-16 21:54:03,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:03,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-16 21:54:03,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:03,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-16 21:54:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:03,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:03,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:03,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:03,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 21:54:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:03,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:03,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:03,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-16 21:54:03,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:03,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-16 21:54:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:03,459 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-16 21:54:03,459 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 21:54:03,459 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022557150] [2021-11-16 21:54:03,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022557150] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 21:54:03,459 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 21:54:03,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-16 21:54:03,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821490317] [2021-11-16 21:54:03,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 21:54:03,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-16 21:54:03,460 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 21:54:03,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-16 21:54:03,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-16 21:54:03,461 INFO L87 Difference]: Start difference. First operand 122 states and 145 transitions. Second operand has 10 states, 10 states have (on average 6.5) internal successors, (65), 7 states have internal predecessors, (65), 5 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (23), 5 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-16 21:54:04,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 21:54:04,998 INFO L93 Difference]: Finished difference Result 184 states and 222 transitions. [2021-11-16 21:54:04,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-16 21:54:04,998 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 7 states have internal predecessors, (65), 5 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (23), 5 states have call predecessors, (23), 4 states have call successors, (23) Word has length 147 [2021-11-16 21:54:04,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 21:54:05,000 INFO L225 Difference]: With dead ends: 184 [2021-11-16 21:54:05,000 INFO L226 Difference]: Without dead ends: 123 [2021-11-16 21:54:05,001 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2021-11-16 21:54:05,001 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 183 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 560 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-16 21:54:05,001 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 332 Invalid, 659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 560 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-16 21:54:05,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2021-11-16 21:54:05,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 120. [2021-11-16 21:54:05,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 77 states have (on average 1.12987012987013) internal successors, (87), 78 states have internal predecessors, (87), 28 states have call successors, (28), 14 states have call predecessors, (28), 14 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2021-11-16 21:54:05,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 142 transitions. [2021-11-16 21:54:05,012 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 142 transitions. Word has length 147 [2021-11-16 21:54:05,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 21:54:05,013 INFO L470 AbstractCegarLoop]: Abstraction has 120 states and 142 transitions. [2021-11-16 21:54:05,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 7 states have internal predecessors, (65), 5 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (23), 5 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-16 21:54:05,013 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 142 transitions. [2021-11-16 21:54:05,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-16 21:54:05,015 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 21:54:05,015 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 21:54:05,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-16 21:54:05,015 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 21:54:05,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 21:54:05,016 INFO L85 PathProgramCache]: Analyzing trace with hash 567202759, now seen corresponding path program 1 times [2021-11-16 21:54:05,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 21:54:05,016 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712888679] [2021-11-16 21:54:05,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:54:05,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 21:54:05,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:05,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 21:54:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:05,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-16 21:54:05,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:05,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 21:54:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:05,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-16 21:54:05,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:05,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 21:54:05,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:05,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-16 21:54:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:05,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-16 21:54:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:05,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:05,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:05,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:05,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-16 21:54:05,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:05,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-16 21:54:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:05,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-16 21:54:05,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:05,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:05,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:05,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 21:54:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:05,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:05,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:05,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-16 21:54:05,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:05,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-16 21:54:05,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:05,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-16 21:54:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:05,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:05,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:05,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:05,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 21:54:05,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:05,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:05,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:05,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-16 21:54:05,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:05,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-16 21:54:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:05,330 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2021-11-16 21:54:05,330 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 21:54:05,330 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712888679] [2021-11-16 21:54:05,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712888679] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-16 21:54:05,330 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663267343] [2021-11-16 21:54:05,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:54:05,330 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 21:54:05,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 21:54:05,332 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) [2021-11-16 21:54:05,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-16 21:54:05,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:05,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 2256 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-16 21:54:05,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 21:54:05,951 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2021-11-16 21:54:05,952 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-16 21:54:05,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1663267343] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 21:54:05,952 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-16 21:54:05,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 9 [2021-11-16 21:54:05,952 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100241643] [2021-11-16 21:54:05,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 21:54:05,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-16 21:54:05,953 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 21:54:05,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-16 21:54:05,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-16 21:54:05,954 INFO L87 Difference]: Start difference. First operand 120 states and 142 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-16 21:54:05,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 21:54:05,970 INFO L93 Difference]: Finished difference Result 176 states and 214 transitions. [2021-11-16 21:54:05,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-16 21:54:05,970 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) Word has length 149 [2021-11-16 21:54:05,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 21:54:05,971 INFO L225 Difference]: With dead ends: 176 [2021-11-16 21:54:05,971 INFO L226 Difference]: Without dead ends: 120 [2021-11-16 21:54:05,972 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-16 21:54:05,973 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 5 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-16 21:54:05,973 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 406 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-16 21:54:05,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2021-11-16 21:54:05,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2021-11-16 21:54:05,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 77 states have (on average 1.1168831168831168) internal successors, (86), 78 states have internal predecessors, (86), 28 states have call successors, (28), 14 states have call predecessors, (28), 14 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2021-11-16 21:54:05,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 141 transitions. [2021-11-16 21:54:05,981 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 141 transitions. Word has length 149 [2021-11-16 21:54:05,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 21:54:05,981 INFO L470 AbstractCegarLoop]: Abstraction has 120 states and 141 transitions. [2021-11-16 21:54:05,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-16 21:54:05,981 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 141 transitions. [2021-11-16 21:54:05,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-16 21:54:05,982 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 21:54:05,982 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 21:54:06,005 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-16 21:54:06,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 21:54:06,195 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 21:54:06,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 21:54:06,196 INFO L85 PathProgramCache]: Analyzing trace with hash 149027225, now seen corresponding path program 1 times [2021-11-16 21:54:06,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 21:54:06,196 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874167629] [2021-11-16 21:54:06,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:54:06,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 21:54:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:06,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 21:54:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:06,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-16 21:54:06,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:06,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 21:54:06,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:06,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-16 21:54:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:06,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 21:54:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:06,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-16 21:54:06,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:06,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-16 21:54:06,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:06,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:06,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:06,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:06,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-16 21:54:06,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:06,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-16 21:54:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:06,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-16 21:54:06,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:06,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:06,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 21:54:06,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:06,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:06,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-16 21:54:06,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:06,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-16 21:54:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:06,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-16 21:54:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:06,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:06,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:06,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:06,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-16 21:54:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:06,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:06,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:06,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-16 21:54:06,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:06,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-16 21:54:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:06,553 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2021-11-16 21:54:06,554 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 21:54:06,554 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874167629] [2021-11-16 21:54:06,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874167629] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-16 21:54:06,554 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1495316929] [2021-11-16 21:54:06,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:54:06,554 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 21:54:06,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 21:54:06,555 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) [2021-11-16 21:54:06,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-16 21:54:06,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:06,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 2260 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-16 21:54:06,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 21:54:07,136 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2021-11-16 21:54:07,136 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-16 21:54:07,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1495316929] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 21:54:07,137 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-16 21:54:07,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 10 [2021-11-16 21:54:07,137 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419885138] [2021-11-16 21:54:07,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 21:54:07,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-16 21:54:07,138 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 21:54:07,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-16 21:54:07,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-11-16 21:54:07,138 INFO L87 Difference]: Start difference. First operand 120 states and 141 transitions. Second operand has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-16 21:54:07,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 21:54:07,180 INFO L93 Difference]: Finished difference Result 176 states and 212 transitions. [2021-11-16 21:54:07,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-16 21:54:07,181 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) Word has length 151 [2021-11-16 21:54:07,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 21:54:07,182 INFO L225 Difference]: With dead ends: 176 [2021-11-16 21:54:07,182 INFO L226 Difference]: Without dead ends: 120 [2021-11-16 21:54:07,183 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-16 21:54:07,185 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 13 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-16 21:54:07,185 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 525 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-16 21:54:07,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2021-11-16 21:54:07,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2021-11-16 21:54:07,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 77 states have (on average 1.103896103896104) internal successors, (85), 78 states have internal predecessors, (85), 28 states have call successors, (28), 14 states have call predecessors, (28), 14 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2021-11-16 21:54:07,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 140 transitions. [2021-11-16 21:54:07,193 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 140 transitions. Word has length 151 [2021-11-16 21:54:07,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 21:54:07,195 INFO L470 AbstractCegarLoop]: Abstraction has 120 states and 140 transitions. [2021-11-16 21:54:07,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-16 21:54:07,195 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2021-11-16 21:54:07,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-11-16 21:54:07,198 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 21:54:07,198 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 21:54:07,220 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-16 21:54:07,418 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,SelfDestructingSolverStorable8 [2021-11-16 21:54:07,419 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 21:54:07,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 21:54:07,420 INFO L85 PathProgramCache]: Analyzing trace with hash -291556225, now seen corresponding path program 1 times [2021-11-16 21:54:07,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 21:54:07,420 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456378880] [2021-11-16 21:54:07,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:54:07,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 21:54:07,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:07,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 21:54:07,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:07,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-16 21:54:07,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:07,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 21:54:07,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:07,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-16 21:54:07,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:07,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 21:54:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:07,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-16 21:54:07,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:07,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-16 21:54:07,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:07,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:07,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:07,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-16 21:54:07,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:07,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-16 21:54:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:07,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-16 21:54:07,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:07,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:07,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:07,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 21:54:07,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:07,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:07,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:07,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-16 21:54:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:07,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-16 21:54:07,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:07,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-16 21:54:07,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:07,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:07,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:07,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:07,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:07,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-16 21:54:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:07,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:07,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-16 21:54:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:07,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-16 21:54:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:07,695 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2021-11-16 21:54:07,696 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 21:54:07,696 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456378880] [2021-11-16 21:54:07,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456378880] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-16 21:54:07,696 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1952107290] [2021-11-16 21:54:07,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:54:07,696 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 21:54:07,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 21:54:07,697 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) [2021-11-16 21:54:07,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-16 21:54:07,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:07,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 2264 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-16 21:54:08,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 21:54:08,267 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2021-11-16 21:54:08,267 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-16 21:54:08,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1952107290] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 21:54:08,267 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-16 21:54:08,268 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 10 [2021-11-16 21:54:08,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689472860] [2021-11-16 21:54:08,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 21:54:08,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-16 21:54:08,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 21:54:08,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-16 21:54:08,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-11-16 21:54:08,269 INFO L87 Difference]: Start difference. First operand 120 states and 140 transitions. Second operand has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-16 21:54:08,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 21:54:08,303 INFO L93 Difference]: Finished difference Result 176 states and 210 transitions. [2021-11-16 21:54:08,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-16 21:54:08,304 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) Word has length 153 [2021-11-16 21:54:08,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 21:54:08,305 INFO L225 Difference]: With dead ends: 176 [2021-11-16 21:54:08,305 INFO L226 Difference]: Without dead ends: 120 [2021-11-16 21:54:08,305 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-16 21:54:08,306 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 11 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-16 21:54:08,307 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 523 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-16 21:54:08,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2021-11-16 21:54:08,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2021-11-16 21:54:08,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 77 states have (on average 1.0909090909090908) internal successors, (84), 78 states have internal predecessors, (84), 28 states have call successors, (28), 14 states have call predecessors, (28), 14 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2021-11-16 21:54:08,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 139 transitions. [2021-11-16 21:54:08,314 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 139 transitions. Word has length 153 [2021-11-16 21:54:08,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 21:54:08,316 INFO L470 AbstractCegarLoop]: Abstraction has 120 states and 139 transitions. [2021-11-16 21:54:08,316 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-16 21:54:08,316 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 139 transitions. [2021-11-16 21:54:08,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-16 21:54:08,317 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 21:54:08,317 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 21:54:08,339 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-16 21:54:08,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 21:54:08,538 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 21:54:08,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 21:54:08,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1373473881, now seen corresponding path program 1 times [2021-11-16 21:54:08,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 21:54:08,538 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854902725] [2021-11-16 21:54:08,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:54:08,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 21:54:08,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:08,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 21:54:08,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:08,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-16 21:54:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:08,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 21:54:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:08,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-16 21:54:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:08,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 21:54:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:08,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-16 21:54:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:08,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-16 21:54:08,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:08,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:08,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:08,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-16 21:54:08,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:08,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-16 21:54:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:08,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-16 21:54:08,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:08,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:08,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 21:54:08,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:08,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:08,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:08,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-16 21:54:08,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:08,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-16 21:54:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:08,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-16 21:54:08,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:08,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:08,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:08,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:08,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:08,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-16 21:54:08,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:08,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:08,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:08,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-16 21:54:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:08,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-16 21:54:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:08,784 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2021-11-16 21:54:08,784 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 21:54:08,785 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854902725] [2021-11-16 21:54:08,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854902725] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-16 21:54:08,785 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1549517964] [2021-11-16 21:54:08,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:54:08,785 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 21:54:08,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 21:54:08,786 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) [2021-11-16 21:54:08,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-16 21:54:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:09,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 2268 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-16 21:54:09,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 21:54:09,311 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2021-11-16 21:54:09,311 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-16 21:54:09,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1549517964] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 21:54:09,312 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-16 21:54:09,312 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 10 [2021-11-16 21:54:09,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55590505] [2021-11-16 21:54:09,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 21:54:09,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-16 21:54:09,312 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 21:54:09,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-16 21:54:09,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-11-16 21:54:09,313 INFO L87 Difference]: Start difference. First operand 120 states and 139 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-16 21:54:09,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 21:54:09,338 INFO L93 Difference]: Finished difference Result 176 states and 208 transitions. [2021-11-16 21:54:09,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-16 21:54:09,339 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) Word has length 155 [2021-11-16 21:54:09,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 21:54:09,340 INFO L225 Difference]: With dead ends: 176 [2021-11-16 21:54:09,340 INFO L226 Difference]: Without dead ends: 120 [2021-11-16 21:54:09,340 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-16 21:54:09,341 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 9 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-16 21:54:09,341 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 521 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-16 21:54:09,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2021-11-16 21:54:09,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2021-11-16 21:54:09,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 77 states have (on average 1.077922077922078) internal successors, (83), 78 states have internal predecessors, (83), 28 states have call successors, (28), 14 states have call predecessors, (28), 14 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2021-11-16 21:54:09,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 138 transitions. [2021-11-16 21:54:09,349 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 138 transitions. Word has length 155 [2021-11-16 21:54:09,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 21:54:09,350 INFO L470 AbstractCegarLoop]: Abstraction has 120 states and 138 transitions. [2021-11-16 21:54:09,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-16 21:54:09,350 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 138 transitions. [2021-11-16 21:54:09,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-16 21:54:09,351 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 21:54:09,351 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 21:54:09,371 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-16 21:54:09,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 21:54:09,568 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 21:54:09,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 21:54:09,568 INFO L85 PathProgramCache]: Analyzing trace with hash -663664841, now seen corresponding path program 1 times [2021-11-16 21:54:09,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 21:54:09,568 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56925058] [2021-11-16 21:54:09,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:54:09,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 21:54:09,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:09,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 21:54:09,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:09,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-16 21:54:09,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:09,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 21:54:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:09,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-16 21:54:09,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:09,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 21:54:09,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:09,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-16 21:54:09,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:09,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-16 21:54:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:09,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:09,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:09,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-16 21:54:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:09,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-16 21:54:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:09,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-16 21:54:09,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:09,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:09,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 21:54:09,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:09,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:09,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:09,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-16 21:54:09,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:09,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-16 21:54:09,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:09,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-16 21:54:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:10,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:10,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:10,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:10,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-16 21:54:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:10,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:54:10,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:10,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-16 21:54:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:10,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-16 21:54:10,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:10,114 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2021-11-16 21:54:10,114 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 21:54:10,114 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56925058] [2021-11-16 21:54:10,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56925058] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-16 21:54:10,114 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655612905] [2021-11-16 21:54:10,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:54:10,115 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 21:54:10,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 21:54:10,119 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) [2021-11-16 21:54:10,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-16 21:54:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:54:10,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 2272 conjuncts, 58 conjunts are in the unsatisfiable core [2021-11-16 21:54:10,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 21:54:10,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-16 21:54:11,648 WARN L860 $PredicateComparison]: unable to prove that (exists ((aws_atomic_init_ptr_~p.base Int) (aws_atomic_init_ptr_~var.offset Int)) (and (<= |c_aws_atomic_init_ptr_#in~var.offset| aws_atomic_init_ptr_~var.offset) (= (store |c_old(#memory_$Pointer$.base)| |c_aws_atomic_init_ptr_#in~var.base| (store (select |c_old(#memory_$Pointer$.base)| |c_aws_atomic_init_ptr_#in~var.base|) aws_atomic_init_ptr_~var.offset aws_atomic_init_ptr_~p.base)) |c_#memory_$Pointer$.base|))) is different from true [2021-11-16 21:54:11,676 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-16 21:54:11,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 23 [2021-11-16 21:54:11,724 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-16 21:54:11,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 23 [2021-11-16 21:54:11,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-16 21:54:11,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-16 21:54:11,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-16 21:54:11,736 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-16 21:54:11,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 29 [2021-11-16 21:54:12,632 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-11-16 21:54:12,632 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-16 21:54:34,188 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-11-16 21:54:34,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [655612905] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-16 21:54:34,189 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-16 21:54:34,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 21, 19] total 54 [2021-11-16 21:54:34,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136612689] [2021-11-16 21:54:34,190 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-16 21:54:34,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2021-11-16 21:54:34,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 21:54:34,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-11-16 21:54:34,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=2572, Unknown=1, NotChecked=102, Total=2862 [2021-11-16 21:54:34,192 INFO L87 Difference]: Start difference. First operand 120 states and 138 transitions. Second operand has 54 states, 49 states have (on average 3.142857142857143) internal successors, (154), 43 states have internal predecessors, (154), 20 states have call successors, (56), 11 states have call predecessors, (56), 12 states have return successors, (52), 20 states have call predecessors, (52), 18 states have call successors, (52) [2021-11-16 21:55:00,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 21:55:00,216 INFO L93 Difference]: Finished difference Result 228 states and 266 transitions. [2021-11-16 21:55:00,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-16 21:55:00,216 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 49 states have (on average 3.142857142857143) internal successors, (154), 43 states have internal predecessors, (154), 20 states have call successors, (56), 11 states have call predecessors, (56), 12 states have return successors, (52), 20 states have call predecessors, (52), 18 states have call successors, (52) Word has length 157 [2021-11-16 21:55:00,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 21:55:00,217 INFO L225 Difference]: With dead ends: 228 [2021-11-16 21:55:00,218 INFO L226 Difference]: Without dead ends: 226 [2021-11-16 21:55:00,219 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 324 SyntacticMatches, 7 SemanticMatches, 75 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1582 ImplicationChecksByTransitivity, 42.1s TimeCoverageRelationStatistics Valid=484, Invalid=5201, Unknown=19, NotChecked=148, Total=5852 [2021-11-16 21:55:00,219 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 419 mSDsluCounter, 1593 mSDsCounter, 0 mSdLazyCounter, 3219 mSolverCounterSat, 293 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 1715 SdHoareTripleChecker+Invalid, 4240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 293 IncrementalHoareTripleChecker+Valid, 3219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 728 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2021-11-16 21:55:00,219 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [430 Valid, 1715 Invalid, 4240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [293 Valid, 3219 Invalid, 0 Unknown, 728 Unchecked, 6.0s Time] [2021-11-16 21:55:00,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2021-11-16 21:55:00,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 195. [2021-11-16 21:55:00,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 134 states have (on average 1.0895522388059702) internal successors, (146), 138 states have internal predecessors, (146), 35 states have call successors, (35), 22 states have call predecessors, (35), 25 states have return successors, (40), 34 states have call predecessors, (40), 34 states have call successors, (40) [2021-11-16 21:55:00,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 221 transitions. [2021-11-16 21:55:00,227 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 221 transitions. Word has length 157 [2021-11-16 21:55:00,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 21:55:00,228 INFO L470 AbstractCegarLoop]: Abstraction has 195 states and 221 transitions. [2021-11-16 21:55:00,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 49 states have (on average 3.142857142857143) internal successors, (154), 43 states have internal predecessors, (154), 20 states have call successors, (56), 11 states have call predecessors, (56), 12 states have return successors, (52), 20 states have call predecessors, (52), 18 states have call successors, (52) [2021-11-16 21:55:00,228 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 221 transitions. [2021-11-16 21:55:00,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-16 21:55:00,229 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 21:55:00,230 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 21:55:00,250 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-11-16 21:55:00,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-16 21:55:00,444 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 21:55:00,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 21:55:00,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1473011467, now seen corresponding path program 1 times [2021-11-16 21:55:00,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 21:55:00,444 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779451141] [2021-11-16 21:55:00,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:55:00,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 21:55:00,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:00,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 21:55:00,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:00,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-16 21:55:00,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:00,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 21:55:00,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:00,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-16 21:55:00,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:00,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 21:55:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:00,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-16 21:55:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:00,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-16 21:55:00,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:00,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:55:00,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:00,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:55:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:00,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-16 21:55:00,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:00,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-16 21:55:00,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:00,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-16 21:55:00,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:00,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:55:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:00,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 21:55:00,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:00,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:55:00,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:00,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-16 21:55:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:00,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-16 21:55:00,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:00,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-16 21:55:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:00,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:55:00,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:00,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:55:00,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:00,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-16 21:55:00,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:00,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:55:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:00,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-16 21:55:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:00,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-16 21:55:00,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:00,755 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2021-11-16 21:55:00,755 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 21:55:00,755 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779451141] [2021-11-16 21:55:00,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779451141] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 21:55:00,756 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 21:55:00,756 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-16 21:55:00,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850053272] [2021-11-16 21:55:00,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 21:55:00,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-16 21:55:00,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 21:55:00,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-16 21:55:00,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-16 21:55:00,758 INFO L87 Difference]: Start difference. First operand 195 states and 221 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-16 21:55:01,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 21:55:01,283 INFO L93 Difference]: Finished difference Result 379 states and 426 transitions. [2021-11-16 21:55:01,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-16 21:55:01,283 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 157 [2021-11-16 21:55:01,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 21:55:01,284 INFO L225 Difference]: With dead ends: 379 [2021-11-16 21:55:01,285 INFO L226 Difference]: Without dead ends: 196 [2021-11-16 21:55:01,285 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-16 21:55:01,286 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 126 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-16 21:55:01,286 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 266 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-16 21:55:01,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2021-11-16 21:55:01,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2021-11-16 21:55:01,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 135 states have (on average 1.0888888888888888) internal successors, (147), 139 states have internal predecessors, (147), 35 states have call successors, (35), 22 states have call predecessors, (35), 25 states have return successors, (40), 34 states have call predecessors, (40), 34 states have call successors, (40) [2021-11-16 21:55:01,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 222 transitions. [2021-11-16 21:55:01,293 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 222 transitions. Word has length 157 [2021-11-16 21:55:01,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 21:55:01,294 INFO L470 AbstractCegarLoop]: Abstraction has 196 states and 222 transitions. [2021-11-16 21:55:01,294 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-16 21:55:01,294 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 222 transitions. [2021-11-16 21:55:01,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-11-16 21:55:01,295 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 21:55:01,295 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 21:55:01,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-16 21:55:01,295 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 21:55:01,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 21:55:01,296 INFO L85 PathProgramCache]: Analyzing trace with hash -598439830, now seen corresponding path program 1 times [2021-11-16 21:55:01,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 21:55:01,296 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156516429] [2021-11-16 21:55:01,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:55:01,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 21:55:01,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:01,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 21:55:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:01,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-16 21:55:01,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:01,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-16 21:55:01,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:01,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-16 21:55:01,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:01,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-16 21:55:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:01,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-16 21:55:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:01,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-16 21:55:01,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:01,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:55:01,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:01,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:55:01,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:01,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-16 21:55:01,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:01,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-16 21:55:01,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:01,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-16 21:55:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:01,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:55:01,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:01,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 21:55:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:01,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:55:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:01,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-16 21:55:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:01,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-16 21:55:01,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:01,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-16 21:55:01,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:01,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:55:01,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:01,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:55:01,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:01,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-16 21:55:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:01,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-16 21:55:01,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:01,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-16 21:55:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:01,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-16 21:55:01,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:01,589 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2021-11-16 21:55:01,589 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 21:55:01,589 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156516429] [2021-11-16 21:55:01,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156516429] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-16 21:55:01,590 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1407163224] [2021-11-16 21:55:01,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:55:01,590 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 21:55:01,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 21:55:01,591 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) [2021-11-16 21:55:01,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-16 21:55:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:55:01,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 2274 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-16 21:55:01,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 21:55:02,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-16 21:55:02,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2021-11-16 21:55:02,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-16 21:55:02,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 44 [2021-11-16 21:55:05,511 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-11-16 21:55:05,512 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-16 21:55:06,075 INFO L354 Elim1Store]: treesize reduction 62, result has 45.1 percent of original size [2021-11-16 21:55:06,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 79 treesize of output 88 [2021-11-16 21:55:06,099 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-16 21:55:06,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-11-16 21:55:06,106 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-16 21:55:06,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 15 Killed by 15