./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness_negated.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 --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 33ea2a815d3ee319237562a4f44f4c58bc4a24bd2ff234245c80f52d85079eb0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 13:01:26,710 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 13:01:26,816 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-24 13:01:26,821 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 13:01:26,821 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 13:01:26,852 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 13:01:26,853 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 13:01:26,853 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 13:01:26,854 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 13:01:26,855 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 13:01:26,856 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 13:01:26,856 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 13:01:26,857 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 13:01:26,857 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 13:01:26,859 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 13:01:26,859 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 13:01:26,860 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 13:01:26,860 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 13:01:26,860 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 13:01:26,860 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 13:01:26,860 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 13:01:26,861 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 13:01:26,864 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 13:01:26,865 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 13:01:26,865 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 13:01:26,865 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 13:01:26,865 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 13:01:26,866 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 13:01:26,866 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 13:01:26,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 13:01:26,866 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 13:01:26,866 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 13:01:26,866 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 13:01:26,867 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 13:01:26,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 13:01:26,867 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 13:01:26,867 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 13:01:26,868 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 13:01:26,868 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 13:01:26,868 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33ea2a815d3ee319237562a4f44f4c58bc4a24bd2ff234245c80f52d85079eb0 [2024-10-24 13:01:27,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 13:01:27,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 13:01:27,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 13:01:27,149 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 13:01:27,150 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 13:01:27,151 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness_negated.i [2024-10-24 13:01:28,597 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 13:01:29,070 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 13:01:29,071 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness_negated.i [2024-10-24 13:01:29,109 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8baa31cfa/9b620301568f433096298e3d741c113f/FLAG3a786daf3 [2024-10-24 13:01:29,174 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8baa31cfa/9b620301568f433096298e3d741c113f [2024-10-24 13:01:29,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 13:01:29,177 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 13:01:29,178 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 13:01:29,179 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 13:01:29,183 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 13:01:29,184 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:01:29" (1/1) ... [2024-10-24 13:01:29,184 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59b6de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:01:29, skipping insertion in model container [2024-10-24 13:01:29,184 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:01:29" (1/1) ... [2024-10-24 13:01:29,301 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 13:01:29,647 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness_negated.i[4498,4511] [2024-10-24 13:01:29,659 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness_negated.i[4558,4571] [2024-10-24 13:01:30,417 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:01:30,418 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:01:30,418 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:01:30,421 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:01:30,422 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:01:30,439 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:01:30,439 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:01:30,441 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:01:30,441 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:01:30,963 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:01:30,963 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:01:31,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:01:31,115 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 13:01:31,129 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness_negated.i[4498,4511] [2024-10-24 13:01:31,134 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness_negated.i[4558,4571] [2024-10-24 13:01:31,237 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:01:31,238 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:01:31,238 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:01:31,238 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:01:31,239 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:01:31,259 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:01:31,260 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:01:31,260 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:01:31,261 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:01:31,419 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-10-24 13:01:31,422 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:01:31,422 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 13:01:31,442 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8963-8974] [2024-10-24 13:01:31,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:01:31,659 INFO L204 MainTranslator]: Completed translation [2024-10-24 13:01:31,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:01:31 WrapperNode [2024-10-24 13:01:31,660 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 13:01:31,661 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 13:01:31,661 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 13:01:31,661 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 13:01:31,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:01:31" (1/1) ... [2024-10-24 13:01:31,754 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:01:31" (1/1) ... [2024-10-24 13:01:31,827 INFO L138 Inliner]: procedures = 680, calls = 2860, calls flagged for inlining = 56, calls inlined = 6, statements flattened = 814 [2024-10-24 13:01:31,827 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 13:01:31,828 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 13:01:31,828 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 13:01:31,828 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 13:01:31,840 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:01:31" (1/1) ... [2024-10-24 13:01:31,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:01:31" (1/1) ... [2024-10-24 13:01:31,855 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:01:31" (1/1) ... [2024-10-24 13:01:31,943 INFO L175 MemorySlicer]: Split 528 memory accesses to 5 slices as follows [2, 256, 236, 28, 6]. 48 percent of accesses are in the largest equivalence class. The 504 initializations are split as follows [2, 256, 236, 5, 5]. The 5 writes are split as follows [0, 0, 0, 5, 0]. [2024-10-24 13:01:31,946 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:01:31" (1/1) ... [2024-10-24 13:01:31,946 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:01:31" (1/1) ... [2024-10-24 13:01:31,979 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:01:31" (1/1) ... [2024-10-24 13:01:31,990 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:01:31" (1/1) ... [2024-10-24 13:01:32,004 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:01:31" (1/1) ... [2024-10-24 13:01:32,016 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:01:31" (1/1) ... [2024-10-24 13:01:32,029 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 13:01:32,034 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 13:01:32,034 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 13:01:32,034 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 13:01:32,035 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:01:31" (1/1) ... [2024-10-24 13:01:32,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 13:01:32,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:01:32,076 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 13:01:32,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 13:01:32,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 13:01:32,136 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-10-24 13:01:32,136 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-10-24 13:01:32,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-24 13:01:32,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-24 13:01:32,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 13:01:32,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 13:01:32,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 13:01:32,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 13:01:32,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 13:01:32,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-24 13:01:32,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-24 13:01:32,138 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-10-24 13:01:32,138 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-10-24 13:01:32,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 13:01:32,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 13:01:32,138 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-24 13:01:32,138 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-24 13:01:32,138 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-10-24 13:01:32,138 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-10-24 13:01:32,139 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-10-24 13:01:32,139 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-10-24 13:01:32,139 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-10-24 13:01:32,139 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-10-24 13:01:32,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-24 13:01:32,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-24 13:01:32,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-24 13:01:32,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-10-24 13:01:32,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-10-24 13:01:32,140 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-24 13:01:32,140 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-24 13:01:32,140 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-24 13:01:32,140 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-10-24 13:01:32,140 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-10-24 13:01:32,142 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 13:01:32,143 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 13:01:32,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 13:01:32,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 13:01:32,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 13:01:32,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 13:01:32,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-24 13:01:32,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-24 13:01:32,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-24 13:01:32,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-24 13:01:32,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-24 13:01:32,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-24 13:01:32,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-24 13:01:32,145 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-10-24 13:01:32,145 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-10-24 13:01:32,146 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-24 13:01:32,146 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-24 13:01:32,146 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-10-24 13:01:32,146 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-10-24 13:01:32,146 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-10-24 13:01:32,147 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-10-24 13:01:32,147 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-10-24 13:01:32,147 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-10-24 13:01:32,147 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-10-24 13:01:32,147 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-10-24 13:01:32,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 13:01:32,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 13:01:32,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 13:01:32,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 13:01:32,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-24 13:01:32,466 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 13:01:32,469 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 13:01:33,376 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2024-10-24 13:01:33,376 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 13:01:33,493 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 13:01:33,494 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-24 13:01:33,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:01:33 BoogieIcfgContainer [2024-10-24 13:01:33,494 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 13:01:33,496 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 13:01:33,496 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 13:01:33,500 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 13:01:33,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:01:29" (1/3) ... [2024-10-24 13:01:33,500 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f4b0c17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:01:33, skipping insertion in model container [2024-10-24 13:01:33,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:01:31" (2/3) ... [2024-10-24 13:01:33,501 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f4b0c17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:01:33, skipping insertion in model container [2024-10-24 13:01:33,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:01:33" (3/3) ... [2024-10-24 13:01:33,502 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_clean_up_harness_negated.i [2024-10-24 13:01:33,519 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 13:01:33,519 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-24 13:01:33,594 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 13:01:33,601 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@758ff9bd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 13:01:33,602 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-24 13:01:33,608 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 83 states have (on average 1.2771084337349397) internal successors, (106), 86 states have internal predecessors, (106), 33 states have call successors, (33), 15 states have call predecessors, (33), 15 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-24 13:01:33,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-10-24 13:01:33,617 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:01:33,618 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-10-24 13:01:33,619 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN === [aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN, aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN, aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-24 13:01:33,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:01:33,625 INFO L85 PathProgramCache]: Analyzing trace with hash -2121528659, now seen corresponding path program 1 times [2024-10-24 13:01:33,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:01:33,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175336374] [2024-10-24 13:01:33,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:01:33,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:01:34,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:34,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:34,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:01:34,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:34,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:01:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:34,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:34,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:01:34,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:34,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 13:01:34,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:34,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 13:01:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:34,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 13:01:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:34,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 13:01:34,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:34,321 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-24 13:01:34,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:01:34,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175336374] [2024-10-24 13:01:34,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175336374] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:01:34,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:01:34,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 13:01:34,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142684004] [2024-10-24 13:01:34,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:01:34,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 13:01:34,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:01:34,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 13:01:34,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 13:01:34,357 INFO L87 Difference]: Start difference. First operand has 135 states, 83 states have (on average 1.2771084337349397) internal successors, (106), 86 states have internal predecessors, (106), 33 states have call successors, (33), 15 states have call predecessors, (33), 15 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-24 13:01:34,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:01:34,894 INFO L93 Difference]: Finished difference Result 260 states and 358 transitions. [2024-10-24 13:01:34,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 13:01:34,899 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 50 [2024-10-24 13:01:34,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:01:34,912 INFO L225 Difference]: With dead ends: 260 [2024-10-24 13:01:34,913 INFO L226 Difference]: Without dead ends: 135 [2024-10-24 13:01:34,918 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 13:01:34,921 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 83 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 13:01:34,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 88 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 13:01:34,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-10-24 13:01:34,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 133. [2024-10-24 13:01:34,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 81 states have (on average 1.2098765432098766) internal successors, (98), 85 states have internal predecessors, (98), 33 states have call successors, (33), 15 states have call predecessors, (33), 15 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-24 13:01:34,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 163 transitions. [2024-10-24 13:01:34,971 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 163 transitions. Word has length 50 [2024-10-24 13:01:34,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:01:34,972 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 163 transitions. [2024-10-24 13:01:34,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-24 13:01:34,972 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 163 transitions. [2024-10-24 13:01:34,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-10-24 13:01:34,974 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:01:34,974 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-10-24 13:01:34,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 13:01:34,975 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN === [aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN, aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN, aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-24 13:01:34,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:01:34,975 INFO L85 PathProgramCache]: Analyzing trace with hash -2060363665, now seen corresponding path program 1 times [2024-10-24 13:01:34,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:01:34,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702333237] [2024-10-24 13:01:34,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:01:34,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:01:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:35,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:35,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:01:35,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:35,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:01:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:35,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:35,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:35,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:01:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:35,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 13:01:35,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:35,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 13:01:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:35,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 13:01:35,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:35,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 13:01:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:35,819 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-24 13:01:35,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:01:35,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702333237] [2024-10-24 13:01:35,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702333237] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:01:35,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:01:35,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 13:01:35,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110680535] [2024-10-24 13:01:35,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:01:35,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 13:01:35,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:01:35,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 13:01:35,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 13:01:35,823 INFO L87 Difference]: Start difference. First operand 133 states and 163 transitions. Second operand has 7 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-24 13:01:36,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:01:36,542 INFO L93 Difference]: Finished difference Result 245 states and 304 transitions. [2024-10-24 13:01:36,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 13:01:36,543 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 50 [2024-10-24 13:01:36,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:01:36,545 INFO L225 Difference]: With dead ends: 245 [2024-10-24 13:01:36,545 INFO L226 Difference]: Without dead ends: 137 [2024-10-24 13:01:36,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-10-24 13:01:36,550 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 96 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 13:01:36,551 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 271 Invalid, 608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 13:01:36,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-10-24 13:01:36,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 135. [2024-10-24 13:01:36,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 82 states have (on average 1.2073170731707317) internal successors, (99), 87 states have internal predecessors, (99), 33 states have call successors, (33), 15 states have call predecessors, (33), 16 states have return successors, (33), 32 states have call predecessors, (33), 32 states have call successors, (33) [2024-10-24 13:01:36,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 165 transitions. [2024-10-24 13:01:36,568 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 165 transitions. Word has length 50 [2024-10-24 13:01:36,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:01:36,568 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 165 transitions. [2024-10-24 13:01:36,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-24 13:01:36,569 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 165 transitions. [2024-10-24 13:01:36,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-24 13:01:36,570 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:01:36,570 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-10-24 13:01:36,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 13:01:36,571 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN === [aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN, aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN, aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-24 13:01:36,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:01:36,571 INFO L85 PathProgramCache]: Analyzing trace with hash 601193633, now seen corresponding path program 1 times [2024-10-24 13:01:36,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:01:36,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796511885] [2024-10-24 13:01:36,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:01:36,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:01:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:37,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:37,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:37,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:01:37,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:37,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:01:37,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:37,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:37,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:01:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:37,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 13:01:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:37,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 13:01:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:37,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 13:01:37,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:37,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 13:01:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:37,152 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-24 13:01:37,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:01:37,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796511885] [2024-10-24 13:01:37,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796511885] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:01:37,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:01:37,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 13:01:37,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353783791] [2024-10-24 13:01:37,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:01:37,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 13:01:37,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:01:37,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 13:01:37,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 13:01:37,154 INFO L87 Difference]: Start difference. First operand 135 states and 165 transitions. Second operand has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-24 13:01:37,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:01:37,991 INFO L93 Difference]: Finished difference Result 251 states and 311 transitions. [2024-10-24 13:01:37,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 13:01:37,992 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 51 [2024-10-24 13:01:37,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:01:37,994 INFO L225 Difference]: With dead ends: 251 [2024-10-24 13:01:37,994 INFO L226 Difference]: Without dead ends: 141 [2024-10-24 13:01:37,995 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-10-24 13:01:37,996 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 104 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 13:01:37,996 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 317 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 13:01:37,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-10-24 13:01:38,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 135. [2024-10-24 13:01:38,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 82 states have (on average 1.2073170731707317) internal successors, (99), 87 states have internal predecessors, (99), 33 states have call successors, (33), 15 states have call predecessors, (33), 16 states have return successors, (33), 32 states have call predecessors, (33), 32 states have call successors, (33) [2024-10-24 13:01:38,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 165 transitions. [2024-10-24 13:01:38,015 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 165 transitions. Word has length 51 [2024-10-24 13:01:38,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:01:38,018 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 165 transitions. [2024-10-24 13:01:38,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-24 13:01:38,019 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 165 transitions. [2024-10-24 13:01:38,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-24 13:01:38,020 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:01:38,021 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-10-24 13:01:38,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 13:01:38,021 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN, aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN, aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-24 13:01:38,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:01:38,022 INFO L85 PathProgramCache]: Analyzing trace with hash 606736648, now seen corresponding path program 1 times [2024-10-24 13:01:38,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:01:38,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758774262] [2024-10-24 13:01:38,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:01:38,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:01:38,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:38,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:38,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:01:38,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:38,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:01:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:38,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:38,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:38,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:01:38,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:38,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 13:01:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:38,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 13:01:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:38,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 13:01:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:38,459 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-24 13:01:38,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:01:38,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758774262] [2024-10-24 13:01:38,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758774262] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:01:38,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:01:38,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 13:01:38,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966904148] [2024-10-24 13:01:38,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:01:38,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 13:01:38,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:01:38,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 13:01:38,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 13:01:38,465 INFO L87 Difference]: Start difference. First operand 135 states and 165 transitions. Second operand has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-10-24 13:01:39,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:01:39,232 INFO L93 Difference]: Finished difference Result 258 states and 328 transitions. [2024-10-24 13:01:39,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 13:01:39,233 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 51 [2024-10-24 13:01:39,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:01:39,234 INFO L225 Difference]: With dead ends: 258 [2024-10-24 13:01:39,235 INFO L226 Difference]: Without dead ends: 146 [2024-10-24 13:01:39,235 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-10-24 13:01:39,236 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 122 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 688 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 13:01:39,237 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 317 Invalid, 721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 688 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 13:01:39,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-10-24 13:01:39,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 140. [2024-10-24 13:01:39,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 87 states have (on average 1.206896551724138) internal successors, (105), 91 states have internal predecessors, (105), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-24 13:01:39,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 170 transitions. [2024-10-24 13:01:39,259 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 170 transitions. Word has length 51 [2024-10-24 13:01:39,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:01:39,260 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 170 transitions. [2024-10-24 13:01:39,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-10-24 13:01:39,260 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 170 transitions. [2024-10-24 13:01:39,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-24 13:01:39,261 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:01:39,261 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-10-24 13:01:39,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 13:01:39,262 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN === [aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN, aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN, aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-24 13:01:39,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:01:39,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1619607851, now seen corresponding path program 1 times [2024-10-24 13:01:39,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:01:39,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551819899] [2024-10-24 13:01:39,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:01:39,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:01:39,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:39,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:39,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:39,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:01:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:39,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:01:39,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:39,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:39,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:01:39,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:39,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 13:01:39,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:39,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 13:01:39,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:39,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 13:01:39,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:39,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 13:01:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:39,754 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-24 13:01:39,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:01:39,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551819899] [2024-10-24 13:01:39,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551819899] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:01:39,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:01:39,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 13:01:39,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642387330] [2024-10-24 13:01:39,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:01:39,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 13:01:39,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:01:39,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 13:01:39,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 13:01:39,757 INFO L87 Difference]: Start difference. First operand 140 states and 170 transitions. Second operand has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-24 13:01:40,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:01:40,441 INFO L93 Difference]: Finished difference Result 265 states and 323 transitions. [2024-10-24 13:01:40,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 13:01:40,442 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 52 [2024-10-24 13:01:40,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:01:40,445 INFO L225 Difference]: With dead ends: 265 [2024-10-24 13:01:40,445 INFO L226 Difference]: Without dead ends: 148 [2024-10-24 13:01:40,446 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-10-24 13:01:40,447 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 103 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 13:01:40,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 271 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 569 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 13:01:40,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-10-24 13:01:40,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 140. [2024-10-24 13:01:40,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 87 states have (on average 1.1954022988505748) internal successors, (104), 91 states have internal predecessors, (104), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-24 13:01:40,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 169 transitions. [2024-10-24 13:01:40,459 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 169 transitions. Word has length 52 [2024-10-24 13:01:40,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:01:40,459 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 169 transitions. [2024-10-24 13:01:40,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-24 13:01:40,460 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 169 transitions. [2024-10-24 13:01:40,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-10-24 13:01:40,461 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:01:40,461 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-10-24 13:01:40,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 13:01:40,461 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN === [aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN, aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN, aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-24 13:01:40,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:01:40,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1054773155, now seen corresponding path program 1 times [2024-10-24 13:01:40,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:01:40,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582077716] [2024-10-24 13:01:40,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:01:40,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:01:40,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:40,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:40,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:40,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:01:40,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:40,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:01:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:40,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:40,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:40,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:01:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:40,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 13:01:40,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:40,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 13:01:40,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:40,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 13:01:40,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:40,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 13:01:40,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:40,956 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-24 13:01:40,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:01:40,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582077716] [2024-10-24 13:01:40,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582077716] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:01:40,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:01:40,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 13:01:40,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50077908] [2024-10-24 13:01:40,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:01:40,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 13:01:40,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:01:40,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 13:01:40,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 13:01:40,959 INFO L87 Difference]: Start difference. First operand 140 states and 169 transitions. Second operand has 8 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-24 13:01:41,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:01:41,766 INFO L93 Difference]: Finished difference Result 263 states and 319 transitions. [2024-10-24 13:01:41,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 13:01:41,767 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 53 [2024-10-24 13:01:41,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:01:41,768 INFO L225 Difference]: With dead ends: 263 [2024-10-24 13:01:41,769 INFO L226 Difference]: Without dead ends: 146 [2024-10-24 13:01:41,769 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-10-24 13:01:41,770 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 101 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 13:01:41,770 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 317 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 13:01:41,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-10-24 13:01:41,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 140. [2024-10-24 13:01:41,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 87 states have (on average 1.1839080459770115) internal successors, (103), 91 states have internal predecessors, (103), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-24 13:01:41,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 168 transitions. [2024-10-24 13:01:41,781 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 168 transitions. Word has length 53 [2024-10-24 13:01:41,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:01:41,781 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 168 transitions. [2024-10-24 13:01:41,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-24 13:01:41,781 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 168 transitions. [2024-10-24 13:01:41,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-24 13:01:41,782 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:01:41,782 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-10-24 13:01:41,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 13:01:41,783 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN === [aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN, aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN, aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-24 13:01:41,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:01:41,783 INFO L85 PathProgramCache]: Analyzing trace with hash 2053278183, now seen corresponding path program 1 times [2024-10-24 13:01:41,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:01:41,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915906869] [2024-10-24 13:01:41,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:01:41,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:01:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:42,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:42,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:01:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:42,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:01:42,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:42,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:42,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:42,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:01:42,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:42,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 13:01:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:42,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 13:01:42,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:42,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 13:01:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:42,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 13:01:42,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:42,086 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-24 13:01:42,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:01:42,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915906869] [2024-10-24 13:01:42,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915906869] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:01:42,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:01:42,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 13:01:42,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968336947] [2024-10-24 13:01:42,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:01:42,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 13:01:42,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:01:42,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 13:01:42,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 13:01:42,089 INFO L87 Difference]: Start difference. First operand 140 states and 168 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2024-10-24 13:01:42,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:01:42,702 INFO L93 Difference]: Finished difference Result 144 states and 172 transitions. [2024-10-24 13:01:42,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 13:01:42,703 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) Word has length 54 [2024-10-24 13:01:42,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:01:42,704 INFO L225 Difference]: With dead ends: 144 [2024-10-24 13:01:42,704 INFO L226 Difference]: Without dead ends: 142 [2024-10-24 13:01:42,705 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-24 13:01:42,705 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 80 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 13:01:42,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 179 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 13:01:42,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-10-24 13:01:42,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 138. [2024-10-24 13:01:42,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 86 states have (on average 1.1744186046511629) internal successors, (101), 89 states have internal predecessors, (101), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-24 13:01:42,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 166 transitions. [2024-10-24 13:01:42,716 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 166 transitions. Word has length 54 [2024-10-24 13:01:42,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:01:42,717 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 166 transitions. [2024-10-24 13:01:42,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2024-10-24 13:01:42,717 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 166 transitions. [2024-10-24 13:01:42,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-24 13:01:42,718 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:01:42,719 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2024-10-24 13:01:42,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 13:01:42,719 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN === [aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN, aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN, aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-24 13:01:42,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:01:42,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1229943125, now seen corresponding path program 1 times [2024-10-24 13:01:42,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:01:42,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458957378] [2024-10-24 13:01:42,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:01:42,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:01:42,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:43,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:43,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:01:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:43,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:01:43,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:43,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:43,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:01:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:43,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 13:01:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:43,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 13:01:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:43,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 13:01:43,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:43,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 13:01:43,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:43,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:43,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:43,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:43,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 13:01:43,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:43,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:43,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:43,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:43,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:43,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 13:01:43,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:43,432 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-10-24 13:01:43,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:01:43,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458957378] [2024-10-24 13:01:43,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458957378] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:01:43,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:01:43,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 13:01:43,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946700647] [2024-10-24 13:01:43,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:01:43,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 13:01:43,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:01:43,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 13:01:43,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 13:01:43,435 INFO L87 Difference]: Start difference. First operand 138 states and 166 transitions. Second operand has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 13:01:44,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:01:44,185 INFO L93 Difference]: Finished difference Result 234 states and 292 transitions. [2024-10-24 13:01:44,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 13:01:44,186 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 94 [2024-10-24 13:01:44,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:01:44,188 INFO L225 Difference]: With dead ends: 234 [2024-10-24 13:01:44,188 INFO L226 Difference]: Without dead ends: 142 [2024-10-24 13:01:44,188 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-10-24 13:01:44,189 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 155 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 13:01:44,192 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 215 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 13:01:44,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-10-24 13:01:44,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 138. [2024-10-24 13:01:44,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 86 states have (on average 1.1627906976744187) internal successors, (100), 89 states have internal predecessors, (100), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-24 13:01:44,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 165 transitions. [2024-10-24 13:01:44,213 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 165 transitions. Word has length 94 [2024-10-24 13:01:44,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:01:44,213 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 165 transitions. [2024-10-24 13:01:44,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 13:01:44,213 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 165 transitions. [2024-10-24 13:01:44,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-24 13:01:44,215 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:01:44,215 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2024-10-24 13:01:44,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 13:01:44,217 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN === [aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN, aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN, aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-24 13:01:44,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:01:44,218 INFO L85 PathProgramCache]: Analyzing trace with hash -468918361, now seen corresponding path program 1 times [2024-10-24 13:01:44,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:01:44,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266366955] [2024-10-24 13:01:44,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:01:44,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:01:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:44,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:44,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:01:44,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:44,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:01:44,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:44,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:44,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:01:44,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:44,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 13:01:44,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:44,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 13:01:44,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:44,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 13:01:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:44,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 13:01:44,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:44,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:44,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:44,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:44,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:44,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 13:01:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:44,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:44,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:44,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 13:01:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:44,951 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-10-24 13:01:44,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:01:44,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266366955] [2024-10-24 13:01:44,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266366955] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:01:44,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:01:44,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 13:01:44,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847778677] [2024-10-24 13:01:44,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:01:44,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 13:01:44,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:01:44,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 13:01:44,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-24 13:01:44,955 INFO L87 Difference]: Start difference. First operand 138 states and 165 transitions. Second operand has 9 states, 8 states have (on average 5.125) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 13:01:45,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:01:45,973 INFO L93 Difference]: Finished difference Result 236 states and 292 transitions. [2024-10-24 13:01:45,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 13:01:45,974 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.125) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 95 [2024-10-24 13:01:45,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:01:45,975 INFO L225 Difference]: With dead ends: 236 [2024-10-24 13:01:45,975 INFO L226 Difference]: Without dead ends: 144 [2024-10-24 13:01:45,976 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-10-24 13:01:45,976 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 161 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 13:01:45,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 297 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 13:01:45,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-10-24 13:01:45,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 138. [2024-10-24 13:01:45,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 86 states have (on average 1.1511627906976745) internal successors, (99), 89 states have internal predecessors, (99), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-24 13:01:45,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 164 transitions. [2024-10-24 13:01:45,989 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 164 transitions. Word has length 95 [2024-10-24 13:01:45,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:01:45,990 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 164 transitions. [2024-10-24 13:01:45,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.125) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 13:01:45,990 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 164 transitions. [2024-10-24 13:01:45,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-24 13:01:45,993 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:01:45,994 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-10-24 13:01:45,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 13:01:45,994 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN, aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN, aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-24 13:01:45,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:01:45,994 INFO L85 PathProgramCache]: Analyzing trace with hash -463055592, now seen corresponding path program 1 times [2024-10-24 13:01:45,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:01:45,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240860462] [2024-10-24 13:01:45,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:01:45,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:01:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:46,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:46,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:46,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:01:46,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:46,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:01:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:46,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:46,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:46,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:01:46,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:46,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 13:01:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:46,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 13:01:46,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:46,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 13:01:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:46,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 13:01:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:46,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:46,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:46,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 13:01:46,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:46,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:46,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:46,467 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-24 13:01:46,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:01:46,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240860462] [2024-10-24 13:01:46,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240860462] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:01:46,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:01:46,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 13:01:46,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552596763] [2024-10-24 13:01:46,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:01:46,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 13:01:46,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:01:46,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 13:01:46,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-24 13:01:46,470 INFO L87 Difference]: Start difference. First operand 138 states and 164 transitions. Second operand has 9 states, 8 states have (on average 5.25) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-10-24 13:01:47,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:01:47,275 INFO L93 Difference]: Finished difference Result 144 states and 171 transitions. [2024-10-24 13:01:47,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 13:01:47,275 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.25) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 95 [2024-10-24 13:01:47,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:01:47,277 INFO L225 Difference]: With dead ends: 144 [2024-10-24 13:01:47,277 INFO L226 Difference]: Without dead ends: 141 [2024-10-24 13:01:47,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2024-10-24 13:01:47,278 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 158 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 742 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 13:01:47,278 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 297 Invalid, 831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 742 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 13:01:47,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-10-24 13:01:47,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 135. [2024-10-24 13:01:47,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 84 states have (on average 1.1428571428571428) internal successors, (96), 86 states have internal predecessors, (96), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-24 13:01:47,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 161 transitions. [2024-10-24 13:01:47,286 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 161 transitions. Word has length 95 [2024-10-24 13:01:47,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:01:47,287 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 161 transitions. [2024-10-24 13:01:47,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.25) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-10-24 13:01:47,287 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 161 transitions. [2024-10-24 13:01:47,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-24 13:01:47,288 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:01:47,288 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2024-10-24 13:01:47,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 13:01:47,288 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN === [aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN, aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN, aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-24 13:01:47,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:01:47,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1479500271, now seen corresponding path program 1 times [2024-10-24 13:01:47,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:01:47,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399737486] [2024-10-24 13:01:47,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:01:47,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:01:47,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:47,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:47,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:47,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:01:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:47,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:01:47,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:47,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:47,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:01:47,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:47,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 13:01:47,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:47,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 13:01:47,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:47,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 13:01:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:47,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 13:01:47,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:47,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:47,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:47,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:47,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:47,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 13:01:47,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:47,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:47,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:47,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:47,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 13:01:47,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:47,945 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-10-24 13:01:47,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:01:47,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399737486] [2024-10-24 13:01:47,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399737486] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:01:47,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:01:47,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 13:01:47,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102992886] [2024-10-24 13:01:47,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:01:47,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 13:01:47,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:01:47,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 13:01:47,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-24 13:01:47,947 INFO L87 Difference]: Start difference. First operand 135 states and 161 transitions. Second operand has 9 states, 8 states have (on average 5.25) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 13:01:48,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:01:48,931 INFO L93 Difference]: Finished difference Result 230 states and 284 transitions. [2024-10-24 13:01:48,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 13:01:48,932 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.25) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 96 [2024-10-24 13:01:48,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:01:48,933 INFO L225 Difference]: With dead ends: 230 [2024-10-24 13:01:48,934 INFO L226 Difference]: Without dead ends: 141 [2024-10-24 13:01:48,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-10-24 13:01:48,935 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 151 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 13:01:48,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 297 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 13:01:48,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-10-24 13:01:48,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 135. [2024-10-24 13:01:48,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 84 states have (on average 1.130952380952381) internal successors, (95), 86 states have internal predecessors, (95), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-24 13:01:48,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 160 transitions. [2024-10-24 13:01:48,944 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 160 transitions. Word has length 96 [2024-10-24 13:01:48,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:01:48,945 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 160 transitions. [2024-10-24 13:01:48,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.25) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 13:01:48,946 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 160 transitions. [2024-10-24 13:01:48,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-24 13:01:48,947 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:01:48,947 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-10-24 13:01:48,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 13:01:48,947 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN === [aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN, aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN, aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-24 13:01:48,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:01:48,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1666715491, now seen corresponding path program 1 times [2024-10-24 13:01:48,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:01:48,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538780750] [2024-10-24 13:01:48,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:01:48,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:01:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:49,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:49,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:49,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:01:49,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:49,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:01:49,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:49,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:49,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:01:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:49,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 13:01:49,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:49,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 13:01:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:49,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 13:01:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:49,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 13:01:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:49,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:49,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:49,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:49,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 13:01:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:49,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:49,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:49,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:49,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 13:01:49,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:49,864 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-10-24 13:01:49,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:01:49,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538780750] [2024-10-24 13:01:49,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538780750] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:01:49,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:01:49,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 13:01:49,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673517268] [2024-10-24 13:01:49,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:01:49,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 13:01:49,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:01:49,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 13:01:49,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-24 13:01:49,866 INFO L87 Difference]: Start difference. First operand 135 states and 160 transitions. Second operand has 9 states, 8 states have (on average 5.375) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 13:01:50,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:01:50,884 INFO L93 Difference]: Finished difference Result 228 states and 280 transitions. [2024-10-24 13:01:50,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 13:01:50,884 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.375) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 97 [2024-10-24 13:01:50,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:01:50,885 INFO L225 Difference]: With dead ends: 228 [2024-10-24 13:01:50,886 INFO L226 Difference]: Without dead ends: 139 [2024-10-24 13:01:50,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-10-24 13:01:50,887 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 146 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 13:01:50,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 256 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 13:01:50,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-10-24 13:01:50,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 135. [2024-10-24 13:01:50,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 84 states have (on average 1.119047619047619) internal successors, (94), 86 states have internal predecessors, (94), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-24 13:01:50,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 159 transitions. [2024-10-24 13:01:50,895 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 159 transitions. Word has length 97 [2024-10-24 13:01:50,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:01:50,895 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 159 transitions. [2024-10-24 13:01:50,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.375) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 13:01:50,896 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 159 transitions. [2024-10-24 13:01:50,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-24 13:01:50,896 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:01:50,897 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-10-24 13:01:50,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 13:01:50,897 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN === [aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN, aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN, aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-24 13:01:50,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:01:50,897 INFO L85 PathProgramCache]: Analyzing trace with hash 529672909, now seen corresponding path program 1 times [2024-10-24 13:01:50,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:01:50,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135760805] [2024-10-24 13:01:50,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:01:50,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:01:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:51,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:51,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:01:51,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:51,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:01:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:51,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:51,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:01:51,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:51,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 13:01:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:51,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 13:01:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:51,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 13:01:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:51,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 13:01:51,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:51,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:51,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:51,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:51,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 13:01:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:51,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:51,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:51,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:51,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 13:01:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:51,235 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-24 13:01:51,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:01:51,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135760805] [2024-10-24 13:01:51,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135760805] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:01:51,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:01:51,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:01:51,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35385969] [2024-10-24 13:01:51,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:01:51,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:01:51,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:01:51,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:01:51,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:01:51,237 INFO L87 Difference]: Start difference. First operand 135 states and 159 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-24 13:01:52,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:01:52,009 INFO L93 Difference]: Finished difference Result 139 states and 164 transitions. [2024-10-24 13:01:52,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 13:01:52,009 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) Word has length 98 [2024-10-24 13:01:52,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:01:52,011 INFO L225 Difference]: With dead ends: 139 [2024-10-24 13:01:52,011 INFO L226 Difference]: Without dead ends: 137 [2024-10-24 13:01:52,011 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-24 13:01:52,011 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 124 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 13:01:52,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 174 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 13:01:52,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-10-24 13:01:52,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 133. [2024-10-24 13:01:52,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 83 states have (on average 1.108433734939759) internal successors, (92), 84 states have internal predecessors, (92), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-24 13:01:52,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 157 transitions. [2024-10-24 13:01:52,019 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 157 transitions. Word has length 98 [2024-10-24 13:01:52,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:01:52,020 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 157 transitions. [2024-10-24 13:01:52,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-24 13:01:52,020 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 157 transitions. [2024-10-24 13:01:52,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-10-24 13:01:52,022 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:01:52,022 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:01:52,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 13:01:52,023 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN, aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN, aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-24 13:01:52,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:01:52,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1974452619, now seen corresponding path program 1 times [2024-10-24 13:01:52,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:01:52,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834383447] [2024-10-24 13:01:52,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:01:52,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:01:52,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:52,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:52,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:01:52,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:52,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:01:52,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:52,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:52,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:52,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:01:52,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:52,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 13:01:52,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:52,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 13:01:52,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:52,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 13:01:52,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:52,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 13:01:52,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:52,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:52,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:52,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:52,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 13:01:52,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:52,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:52,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:52,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:52,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:52,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 13:01:52,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:52,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:52,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:52,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:52,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:52,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:52,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:01:52,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:52,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:52,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:52,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:52,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:01:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:52,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-24 13:01:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:52,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-24 13:01:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:52,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-24 13:01:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:52,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:52,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:52,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:52,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:52,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:01:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:52,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:52,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:52,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:01:52,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:52,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-24 13:01:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:52,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 13:01:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:52,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 13:01:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:52,861 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2024-10-24 13:01:52,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:01:52,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834383447] [2024-10-24 13:01:52,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834383447] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:01:52,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803502706] [2024-10-24 13:01:52,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:01:52,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:01:52,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:01:52,864 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) [2024-10-24 13:01:52,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 13:01:53,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:53,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 3148 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 13:01:53,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:01:53,465 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-10-24 13:01:53,465 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 13:01:53,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1803502706] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:01:53,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 13:01:53,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 7 [2024-10-24 13:01:53,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780278645] [2024-10-24 13:01:53,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:01:53,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 13:01:53,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:01:53,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 13:01:53,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 13:01:53,467 INFO L87 Difference]: Start difference. First operand 133 states and 157 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-10-24 13:01:53,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:01:53,600 INFO L93 Difference]: Finished difference Result 221 states and 266 transitions. [2024-10-24 13:01:53,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 13:01:53,600 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 230 [2024-10-24 13:01:53,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:01:53,602 INFO L225 Difference]: With dead ends: 221 [2024-10-24 13:01:53,602 INFO L226 Difference]: Without dead ends: 136 [2024-10-24 13:01:53,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 13:01:53,603 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 1 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 13:01:53,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 403 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 13:01:53,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-10-24 13:01:53,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 135. [2024-10-24 13:01:53,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 85 states have (on average 1.1058823529411765) internal successors, (94), 86 states have internal predecessors, (94), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-24 13:01:53,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 159 transitions. [2024-10-24 13:01:53,612 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 159 transitions. Word has length 230 [2024-10-24 13:01:53,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:01:53,612 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 159 transitions. [2024-10-24 13:01:53,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-10-24 13:01:53,613 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 159 transitions. [2024-10-24 13:01:53,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-10-24 13:01:53,614 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:01:53,615 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:01:53,636 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 13:01:53,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-24 13:01:53,816 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN, aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN, aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-24 13:01:53,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:01:53,816 INFO L85 PathProgramCache]: Analyzing trace with hash -20749621, now seen corresponding path program 1 times [2024-10-24 13:01:53,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:01:53,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549601644] [2024-10-24 13:01:53,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:01:53,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:01:53,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:54,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:54,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:01:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:54,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:01:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:54,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:54,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:01:54,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:54,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 13:01:54,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:54,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 13:01:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:54,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 13:01:54,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:54,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 13:01:54,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:54,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:54,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:54,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:54,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:54,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 13:01:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:54,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:54,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:54,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:54,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:54,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 13:01:54,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:54,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:54,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:54,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:54,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:54,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:54,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:01:54,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:54,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:54,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:54,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:54,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:54,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:01:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:54,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-24 13:01:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:54,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-24 13:01:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:54,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-24 13:01:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:54,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:54,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:54,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:54,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:54,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:54,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:01:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:54,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:54,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:54,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:01:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:54,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-24 13:01:54,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:54,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 13:01:54,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:54,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 13:01:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:54,614 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-24 13:01:54,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:01:54,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549601644] [2024-10-24 13:01:54,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549601644] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:01:54,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273248396] [2024-10-24 13:01:54,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:01:54,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:01:54,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:01:54,617 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) [2024-10-24 13:01:54,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 13:01:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:55,236 INFO L255 TraceCheckSpWp]: Trace formula consists of 3138 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 13:01:55,245 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:01:55,421 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-10-24 13:01:55,424 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 13:01:55,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1273248396] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:01:55,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 13:01:55,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-10-24 13:01:55,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352204185] [2024-10-24 13:01:55,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:01:55,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:01:55,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:01:55,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:01:55,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-10-24 13:01:55,426 INFO L87 Difference]: Start difference. First operand 135 states and 159 transitions. Second operand has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2024-10-24 13:01:55,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:01:55,714 INFO L93 Difference]: Finished difference Result 226 states and 270 transitions. [2024-10-24 13:01:55,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 13:01:55,715 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) Word has length 230 [2024-10-24 13:01:55,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:01:55,717 INFO L225 Difference]: With dead ends: 226 [2024-10-24 13:01:55,717 INFO L226 Difference]: Without dead ends: 139 [2024-10-24 13:01:55,719 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-10-24 13:01:55,719 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 25 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 13:01:55,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 560 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 13:01:55,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-10-24 13:01:55,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 137. [2024-10-24 13:01:55,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 86 states have (on average 1.1046511627906976) internal successors, (95), 88 states have internal predecessors, (95), 33 states have call successors, (33), 16 states have call predecessors, (33), 17 states have return successors, (33), 32 states have call predecessors, (33), 32 states have call successors, (33) [2024-10-24 13:01:55,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 161 transitions. [2024-10-24 13:01:55,730 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 161 transitions. Word has length 230 [2024-10-24 13:01:55,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:01:55,730 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 161 transitions. [2024-10-24 13:01:55,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2024-10-24 13:01:55,731 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 161 transitions. [2024-10-24 13:01:55,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-10-24 13:01:55,735 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:01:55,735 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:01:55,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-24 13:01:55,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-24 13:01:55,940 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN, aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN, aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-24 13:01:55,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:01:55,940 INFO L85 PathProgramCache]: Analyzing trace with hash -320439054, now seen corresponding path program 1 times [2024-10-24 13:01:55,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:01:55,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766309208] [2024-10-24 13:01:55,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:01:55,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:01:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:56,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:56,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:01:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:56,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:01:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:56,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:56,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:56,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:01:56,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:56,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 13:01:56,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:56,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 13:01:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:56,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 13:01:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:56,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 13:01:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:56,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:56,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:56,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:56,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 13:01:56,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:56,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:56,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:56,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:56,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:56,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 13:01:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:56,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:56,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:56,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:56,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:56,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:56,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:56,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:01:56,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:56,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:56,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:56,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:01:56,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:56,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-24 13:01:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:56,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 13:01:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:56,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 13:01:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:56,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:56,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:56,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:56,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:56,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:01:56,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:56,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:56,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:01:56,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:56,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:01:56,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:56,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-24 13:01:56,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:56,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 13:01:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:56,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 13:01:56,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:01:56,881 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-24 13:01:56,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:01:56,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766309208] [2024-10-24 13:01:56,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766309208] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:01:56,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:01:56,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 13:01:56,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312335812] [2024-10-24 13:01:56,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:01:56,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 13:01:56,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:01:56,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 13:01:56,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-24 13:01:56,883 INFO L87 Difference]: Start difference. First operand 137 states and 161 transitions. Second operand has 9 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 5 states have call successors, (28), 4 states have call predecessors, (28), 2 states have return successors, (27), 4 states have call predecessors, (27), 5 states have call successors, (27) [2024-10-24 13:01:57,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:01:57,784 INFO L93 Difference]: Finished difference Result 203 states and 238 transitions. [2024-10-24 13:01:57,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 13:01:57,784 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 5 states have call successors, (28), 4 states have call predecessors, (28), 2 states have return successors, (27), 4 states have call predecessors, (27), 5 states have call successors, (27) Word has length 232 [2024-10-24 13:01:57,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:01:57,786 INFO L225 Difference]: With dead ends: 203 [2024-10-24 13:01:57,786 INFO L226 Difference]: Without dead ends: 139 [2024-10-24 13:01:57,786 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-10-24 13:01:57,787 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 161 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 13:01:57,787 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 192 Invalid, 693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 13:01:57,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-10-24 13:01:57,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 133. [2024-10-24 13:01:57,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 83 states have (on average 1.0963855421686748) internal successors, (91), 84 states have internal predecessors, (91), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-24 13:01:57,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 156 transitions. [2024-10-24 13:01:57,798 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 156 transitions. Word has length 232 [2024-10-24 13:01:57,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:01:57,799 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 156 transitions. [2024-10-24 13:01:57,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 5 states have call successors, (28), 4 states have call predecessors, (28), 2 states have return successors, (27), 4 states have call predecessors, (27), 5 states have call successors, (27) [2024-10-24 13:01:57,799 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 156 transitions. [2024-10-24 13:01:57,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2024-10-24 13:01:57,801 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:01:57,801 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:01:57,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 13:01:57,802 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN, aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN, aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-24 13:01:57,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:01:57,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1716303403, now seen corresponding path program 1 times [2024-10-24 13:01:57,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:01:57,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080185432] [2024-10-24 13:01:57,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:01:57,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:01:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:01,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:02:01,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:01,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:02:01,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:01,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:02:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:01,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:02:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:01,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:02:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:01,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 13:02:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:01,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 13:02:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:01,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 13:02:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:01,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 13:02:01,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:01,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:02:01,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:01,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:02:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:01,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 13:02:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:01,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:02:01,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:01,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:02:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:01,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 13:02:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:01,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:02:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:01,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:02:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:01,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:02:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:01,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:02:01,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:01,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:02:01,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:02,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:02:02,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:02,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:02:02,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:02,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-24 13:02:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:02,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 13:02:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:02,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 13:02:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:02,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:02:02,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:02,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:02:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:02,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:02:02,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:02,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:02:02,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:02,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:02:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:02,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:02:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:02,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:02:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:02,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-24 13:02:02,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:02,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 13:02:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:02,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-24 13:02:02,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:02,160 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2024-10-24 13:02:02,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:02:02,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080185432] [2024-10-24 13:02:02,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080185432] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:02:02,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:02:02,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-10-24 13:02:02,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897491126] [2024-10-24 13:02:02,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:02:02,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-24 13:02:02,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:02:02,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-24 13:02:02,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2024-10-24 13:02:02,163 INFO L87 Difference]: Start difference. First operand 133 states and 156 transitions. Second operand has 19 states, 14 states have (on average 4.642857142857143) internal successors, (65), 15 states have internal predecessors, (65), 9 states have call successors, (24), 4 states have call predecessors, (24), 5 states have return successors, (23), 7 states have call predecessors, (23), 8 states have call successors, (23) [2024-10-24 13:02:04,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:02:04,384 INFO L93 Difference]: Finished difference Result 156 states and 185 transitions. [2024-10-24 13:02:04,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-24 13:02:04,384 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 14 states have (on average 4.642857142857143) internal successors, (65), 15 states have internal predecessors, (65), 9 states have call successors, (24), 4 states have call predecessors, (24), 5 states have return successors, (23), 7 states have call predecessors, (23), 8 states have call successors, (23) Word has length 234 [2024-10-24 13:02:04,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:02:04,386 INFO L225 Difference]: With dead ends: 156 [2024-10-24 13:02:04,387 INFO L226 Difference]: Without dead ends: 154 [2024-10-24 13:02:04,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=182, Invalid=874, Unknown=0, NotChecked=0, Total=1056 [2024-10-24 13:02:04,388 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 249 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 1598 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 1767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 1598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-24 13:02:04,389 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 267 Invalid, 1767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 1598 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-24 13:02:04,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-10-24 13:02:04,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 143. [2024-10-24 13:02:04,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 90 states have (on average 1.1) internal successors, (99), 92 states have internal predecessors, (99), 34 states have call successors, (34), 17 states have call predecessors, (34), 18 states have return successors, (34), 33 states have call predecessors, (34), 33 states have call successors, (34) [2024-10-24 13:02:04,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 167 transitions. [2024-10-24 13:02:04,403 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 167 transitions. Word has length 234 [2024-10-24 13:02:04,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:02:04,404 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 167 transitions. [2024-10-24 13:02:04,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 14 states have (on average 4.642857142857143) internal successors, (65), 15 states have internal predecessors, (65), 9 states have call successors, (24), 4 states have call predecessors, (24), 5 states have return successors, (23), 7 states have call predecessors, (23), 8 states have call successors, (23) [2024-10-24 13:02:04,404 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 167 transitions. [2024-10-24 13:02:04,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2024-10-24 13:02:04,406 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:02:04,407 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:02:04,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-24 13:02:04,407 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN, aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNKNOWN, aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-24 13:02:04,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:02:04,407 INFO L85 PathProgramCache]: Analyzing trace with hash 2072691849, now seen corresponding path program 1 times [2024-10-24 13:02:04,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:02:04,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451503718] [2024-10-24 13:02:04,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:02:04,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:02:04,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:05,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:02:05,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:05,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:02:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:05,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:02:05,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:05,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:02:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:05,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:02:05,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:05,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 13:02:05,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:05,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 13:02:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:05,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 13:02:05,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:05,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 13:02:05,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:05,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:02:05,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:05,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:02:05,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:05,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 13:02:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:05,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:02:05,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:05,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:02:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:05,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 13:02:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:05,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:02:05,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:05,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:02:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:05,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:02:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:05,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:02:05,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:05,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:02:05,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:05,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:02:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:05,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:02:05,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:05,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-24 13:02:05,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:05,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 13:02:05,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:05,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 13:02:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:05,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:02:05,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:05,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:02:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:05,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:02:05,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:05,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 13:02:05,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:05,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:02:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:05,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:02:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:05,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:02:05,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:05,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-24 13:02:05,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:05,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 13:02:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:05,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-24 13:02:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:05,378 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2024-10-24 13:02:05,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:02:05,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451503718] [2024-10-24 13:02:05,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451503718] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:02:05,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210210459] [2024-10-24 13:02:05,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:02:05,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:02:05,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:02:05,381 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) [2024-10-24 13:02:05,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 13:02:05,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:02:06,010 INFO L255 TraceCheckSpWp]: Trace formula consists of 3189 conjuncts, 211 conjuncts are in the unsatisfiable core [2024-10-24 13:02:06,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:02:06,098 INFO L378 Elim1Store]: Elim1 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 1 [2024-10-24 13:02:06,106 INFO L378 Elim1Store]: Elim1 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 1 [2024-10-24 13:02:06,543 INFO L378 Elim1Store]: Elim1 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 1 [2024-10-24 13:02:06,563 INFO L378 Elim1Store]: Elim1 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 23 treesize of output 11 [2024-10-24 13:02:06,783 WARN L873 $PredicateComparison]: unable to prove that (exists ((v_aws_atomic_store_ptr_explicit_~var.offset_4 Int)) (and (= (store |c_old(#memory_$Pointer$#3.base)| |c_aws_atomic_store_ptr_explicit_#in~var.base| (store (select |c_old(#memory_$Pointer$#3.base)| |c_aws_atomic_store_ptr_explicit_#in~var.base|) v_aws_atomic_store_ptr_explicit_~var.offset_4 (select (select |c_#memory_$Pointer$#3.base| |c_aws_atomic_store_ptr_explicit_#in~var.base|) v_aws_atomic_store_ptr_explicit_~var.offset_4))) |c_#memory_$Pointer$#3.base|) (<= |c_aws_atomic_store_ptr_explicit_#in~var.offset| v_aws_atomic_store_ptr_explicit_~var.offset_4) (= (store |c_old(#memory_$Pointer$#3.offset)| |c_aws_atomic_store_ptr_explicit_#in~var.base| (store (select |c_old(#memory_$Pointer$#3.offset)| |c_aws_atomic_store_ptr_explicit_#in~var.base|) v_aws_atomic_store_ptr_explicit_~var.offset_4 (select (select |c_#memory_$Pointer$#3.offset| |c_aws_atomic_store_ptr_explicit_#in~var.base|) v_aws_atomic_store_ptr_explicit_~var.offset_4))) |c_#memory_$Pointer$#3.offset|))) is different from true [2024-10-24 13:02:06,815 WARN L873 $PredicateComparison]: unable to prove that (exists ((v_aws_atomic_store_ptr_explicit_~var.offset_4 Int)) (and (<= |c_aws_atomic_store_ptr_#in~var.offset| v_aws_atomic_store_ptr_explicit_~var.offset_4) (= (store |c_old(#memory_$Pointer$#3.base)| |c_aws_atomic_store_ptr_#in~var.base| (store (select |c_old(#memory_$Pointer$#3.base)| |c_aws_atomic_store_ptr_#in~var.base|) v_aws_atomic_store_ptr_explicit_~var.offset_4 (select (select |c_#memory_$Pointer$#3.base| |c_aws_atomic_store_ptr_#in~var.base|) v_aws_atomic_store_ptr_explicit_~var.offset_4))) |c_#memory_$Pointer$#3.base|) (= |c_#memory_$Pointer$#3.offset| (store |c_old(#memory_$Pointer$#3.offset)| |c_aws_atomic_store_ptr_#in~var.base| (store (select |c_old(#memory_$Pointer$#3.offset)| |c_aws_atomic_store_ptr_#in~var.base|) v_aws_atomic_store_ptr_explicit_~var.offset_4 (select (select |c_#memory_$Pointer$#3.offset| |c_aws_atomic_store_ptr_#in~var.base|) v_aws_atomic_store_ptr_explicit_~var.offset_4)))))) is different from true [2024-10-24 13:02:06,843 INFO L378 Elim1Store]: Elim1 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 1 [2024-10-24 13:02:06,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-24 13:02:06,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-24 13:02:06,852 INFO L378 Elim1Store]: Elim1 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 0 case distinctions, treesize of input 44 treesize of output 27 [2024-10-24 13:02:06,890 INFO L378 Elim1Store]: Elim1 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 1 [2024-10-24 13:02:06,903 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-24 13:02:06,904 INFO L378 Elim1Store]: Elim1 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 79 treesize of output 54