./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 16d2f3b385e0ea89d3d304cb22ab2543f0370038b04088b3a79ecd88669dd00e --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:59:26,268 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:59:26,326 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:59:26,333 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:59:26,333 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:59:26,347 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:59:26,348 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:59:26,348 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:59:26,348 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:59:26,348 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:59:26,348 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:59:26,348 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:59:26,349 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:59:26,349 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:59:26,349 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:59:26,349 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:59:26,349 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:59:26,349 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:59:26,349 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:59:26,349 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:59:26,349 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:59:26,350 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:59:26,350 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:59:26,350 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:59:26,350 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:59:26,350 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:59:26,350 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:59:26,350 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:59:26,350 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:59:26,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:59:26,350 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:59:26,350 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:59:26,351 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:59:26,351 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:59:26,351 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:59:26,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:59:26,351 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:59:26,351 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:59:26,351 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:59:26,351 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:59:26,351 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 16d2f3b385e0ea89d3d304cb22ab2543f0370038b04088b3a79ecd88669dd00e [2025-02-08 01:59:26,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:59:26,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:59:26,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:59:26,573 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:59:26,573 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:59:26,574 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i [2025-02-08 01:59:27,781 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2b10f0df5/e70cfc3c7c9440a1a679ef00f7a3fa3c/FLAG212d01ff5 [2025-02-08 01:59:28,276 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:59:28,279 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i [2025-02-08 01:59:28,309 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2b10f0df5/e70cfc3c7c9440a1a679ef00f7a3fa3c/FLAG212d01ff5 [2025-02-08 01:59:28,350 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2b10f0df5/e70cfc3c7c9440a1a679ef00f7a3fa3c [2025-02-08 01:59:28,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:59:28,354 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:59:28,355 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:59:28,355 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:59:28,358 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:59:28,359 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:59:28" (1/1) ... [2025-02-08 01:59:28,359 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19a335aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:59:28, skipping insertion in model container [2025-02-08 01:59:28,359 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:59:28" (1/1) ... [2025-02-08 01:59:28,422 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:59:28,642 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i[4494,4507] [2025-02-08 01:59:28,652 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i[4554,4567] [2025-02-08 01:59:29,190 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:29,191 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:29,191 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:29,192 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:29,192 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:29,200 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:29,201 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:29,202 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:29,202 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:29,203 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:29,204 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:29,204 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:29,205 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:29,570 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i[174042,174055] [2025-02-08 01:59:29,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:59:29,603 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:59:29,613 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i[4494,4507] [2025-02-08 01:59:29,613 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i[4554,4567] [2025-02-08 01:59:29,665 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:29,666 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:29,667 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:29,668 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:29,668 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:29,673 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:29,674 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:29,675 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:29,675 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:29,676 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:29,676 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:29,676 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:29,676 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:29,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7559-7570] [2025-02-08 01:59:29,762 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i[174042,174055] [2025-02-08 01:59:29,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:59:29,922 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:59:29,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:59:29 WrapperNode [2025-02-08 01:59:29,924 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:59:29,924 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:59:29,924 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:59:29,924 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:59:29,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:59:29" (1/1) ... [2025-02-08 01:59:29,981 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:59:29" (1/1) ... [2025-02-08 01:59:30,031 INFO L138 Inliner]: procedures = 678, calls = 1512, calls flagged for inlining = 49, calls inlined = 7, statements flattened = 576 [2025-02-08 01:59:30,032 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:59:30,032 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:59:30,032 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:59:30,032 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:59:30,039 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:59:29" (1/1) ... [2025-02-08 01:59:30,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:59:29" (1/1) ... [2025-02-08 01:59:30,045 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:59:29" (1/1) ... [2025-02-08 01:59:30,120 INFO L175 MemorySlicer]: Split 271 memory accesses to 4 slices as follows [2, 238, 5, 26]. 88 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 6, 5, 5]. The 237 writes are split as follows [0, 232, 0, 5]. [2025-02-08 01:59:30,121 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:59:29" (1/1) ... [2025-02-08 01:59:30,121 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:59:29" (1/1) ... [2025-02-08 01:59:30,150 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:59:29" (1/1) ... [2025-02-08 01:59:30,152 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:59:29" (1/1) ... [2025-02-08 01:59:30,159 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:59:29" (1/1) ... [2025-02-08 01:59:30,161 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:59:29" (1/1) ... [2025-02-08 01:59:30,166 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:59:30,167 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:59:30,167 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:59:30,167 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:59:30,168 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:59:29" (1/1) ... [2025-02-08 01:59:30,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:59:30,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:59:30,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 01:59:30,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 01:59:30,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:59:30,221 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:59:30,221 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:59:30,222 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-02-08 01:59:30,222 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-02-08 01:59:30,222 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2025-02-08 01:59:30,222 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2025-02-08 01:59:30,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:59:30,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:59:30,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:59:30,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:59:30,222 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_init_ptr [2025-02-08 01:59:30,222 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_init_ptr [2025-02-08 01:59:30,222 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-08 01:59:30,222 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-08 01:59:30,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:59:30,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:59:30,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:59:30,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:59:30,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:59:30,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:59:30,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:59:30,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:59:30,223 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2025-02-08 01:59:30,223 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2025-02-08 01:59:30,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:59:30,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:59:30,223 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:59:30,223 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:59:30,223 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-02-08 01:59:30,224 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-02-08 01:59:30,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:59:30,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:59:30,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:59:30,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:59:30,227 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-02-08 01:59:30,228 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-02-08 01:59:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-08 01:59:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-08 01:59:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-08 01:59:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-02-08 01:59:30,228 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-08 01:59:30,228 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-08 01:59:30,228 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-08 01:59:30,228 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-02-08 01:59:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:59:30,228 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:59:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-02-08 01:59:30,228 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-02-08 01:59:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:59:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:59:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:59:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:59:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:59:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:59:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:59:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:59:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:59:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2025-02-08 01:59:30,228 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2025-02-08 01:59:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:59:30,228 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:59:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2025-02-08 01:59:30,228 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2025-02-08 01:59:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:59:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:59:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:59:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:59:30,400 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:59:30,401 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:59:30,439 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6923: havoc #t~malloc583.base, #t~malloc583.offset; [2025-02-08 01:59:30,474 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:59:30,486 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6962: havoc #t~ret595.base, #t~ret595.offset; [2025-02-08 01:59:30,490 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-02-08 01:59:30,505 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6081: havoc #t~mem478.base, #t~mem478.offset;havoc #t~mem479.base, #t~mem479.offset;havoc #t~short480; [2025-02-08 01:59:30,589 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6937: havoc #t~ret587;havoc #t~ite589.base, #t~ite589.offset;havoc #t~ret588.base, #t~ret588.offset; [2025-02-08 01:59:30,610 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5661: havoc #t~ret434#1.base, #t~ret434#1.offset; [2025-02-08 01:59:30,610 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830: havoc aws_atomic_load_ptr_explicit_#t~ret448#1;havoc aws_atomic_load_ptr_explicit_#t~mem447#1.base, aws_atomic_load_ptr_explicit_#t~mem447#1.offset; [2025-02-08 01:59:30,660 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6114: havoc #t~mem490.base, #t~mem490.offset;havoc #t~mem491.base, #t~mem491.offset;havoc #t~mem492.base, #t~mem492.offset;havoc #t~short493;havoc #t~short494;havoc #t~mem495.base, #t~mem495.offset;havoc #t~short496; [2025-02-08 01:59:35,810 INFO L? ?]: Removed 97 outVars from TransFormulas that were not future-live. [2025-02-08 01:59:35,810 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:59:35,823 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:59:35,823 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:59:35,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:59:35 BoogieIcfgContainer [2025-02-08 01:59:35,824 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:59:35,827 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:59:35,827 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:59:35,830 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:59:35,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:59:28" (1/3) ... [2025-02-08 01:59:35,831 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@655944af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:59:35, skipping insertion in model container [2025-02-08 01:59:35,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:59:29" (2/3) ... [2025-02-08 01:59:35,831 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@655944af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:59:35, skipping insertion in model container [2025-02-08 01:59:35,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:59:35" (3/3) ... [2025-02-08 01:59:35,832 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_init_harness_negated.i [2025-02-08 01:59:35,842 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:59:35,843 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_ring_buffer_init_harness_negated.i that has 20 procedures, 156 locations, 1 initial locations, 6 loop locations, and 3 error locations. [2025-02-08 01:59:35,886 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:59:35,895 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;@75fde8d1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:59:35,896 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-02-08 01:59:35,899 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 93 states have (on average 1.2688172043010753) internal successors, (118), 98 states have internal predecessors, (118), 30 states have call successors, (30), 16 states have call predecessors, (30), 16 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-08 01:59:35,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-02-08 01:59:35,906 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:59:35,906 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:59:35,907 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2025-02-08 01:59:35,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:59:35,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1483653258, now seen corresponding path program 1 times [2025-02-08 01:59:35,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:59:35,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70718972] [2025-02-08 01:59:35,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:59:35,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:59:40,274 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-02-08 01:59:40,613 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-02-08 01:59:40,613 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:59:40,613 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:59:41,050 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-02-08 01:59:41,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:59:41,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70718972] [2025-02-08 01:59:41,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70718972] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:59:41,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297866827] [2025-02-08 01:59:41,053 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:59:41,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:59:41,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:59:41,057 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:59:41,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 01:59:45,545 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-02-08 01:59:45,975 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-02-08 01:59:45,975 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:59:45,975 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:59:45,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 4129 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 01:59:45,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:59:46,011 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2025-02-08 01:59:46,012 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:59:46,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1297866827] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:59:46,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:59:46,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-08 01:59:46,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927892654] [2025-02-08 01:59:46,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:59:46,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 01:59:46,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:59:46,039 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 01:59:46,040 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 01:59:46,042 INFO L87 Difference]: Start difference. First operand has 144 states, 93 states have (on average 1.2688172043010753) internal successors, (118), 98 states have internal predecessors, (118), 30 states have call successors, (30), 16 states have call predecessors, (30), 16 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2025-02-08 01:59:46,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:59:46,085 INFO L93 Difference]: Finished difference Result 279 states and 364 transitions. [2025-02-08 01:59:46,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 01:59:46,089 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 95 [2025-02-08 01:59:46,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:59:46,094 INFO L225 Difference]: With dead ends: 279 [2025-02-08 01:59:46,094 INFO L226 Difference]: Without dead ends: 139 [2025-02-08 01:59:46,096 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 01:59:46,098 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 01:59:46,098 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 170 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 01:59:46,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2025-02-08 01:59:46,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2025-02-08 01:59:46,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 90 states have (on average 1.1777777777777778) internal successors, (106), 93 states have internal predecessors, (106), 30 states have call successors, (30), 16 states have call predecessors, (30), 16 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-02-08 01:59:46,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 165 transitions. [2025-02-08 01:59:46,125 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 165 transitions. Word has length 95 [2025-02-08 01:59:46,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:59:46,126 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 165 transitions. [2025-02-08 01:59:46,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2025-02-08 01:59:46,126 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 165 transitions. [2025-02-08 01:59:46,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-02-08 01:59:46,129 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:59:46,129 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:59:46,143 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 01:59:46,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-08 01:59:46,330 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2025-02-08 01:59:46,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:59:46,330 INFO L85 PathProgramCache]: Analyzing trace with hash 971836600, now seen corresponding path program 1 times [2025-02-08 01:59:46,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:59:46,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731987052] [2025-02-08 01:59:46,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:59:46,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:59:50,012 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-02-08 01:59:50,135 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-02-08 01:59:50,136 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:59:50,136 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:59:51,639 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-02-08 01:59:51,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:59:51,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731987052] [2025-02-08 01:59:51,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731987052] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:59:51,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 01:59:51,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 01:59:51,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097837041] [2025-02-08 01:59:51,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:59:51,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 01:59:51,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:59:51,641 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 01:59:51,641 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 01:59:51,641 INFO L87 Difference]: Start difference. First operand 139 states and 165 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2025-02-08 01:59:51,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:59:51,925 INFO L93 Difference]: Finished difference Result 221 states and 264 transitions. [2025-02-08 01:59:51,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 01:59:51,929 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 102 [2025-02-08 01:59:51,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:59:51,931 INFO L225 Difference]: With dead ends: 221 [2025-02-08 01:59:51,931 INFO L226 Difference]: Without dead ends: 145 [2025-02-08 01:59:51,931 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 01:59:51,931 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 2 mSDsluCounter, 635 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 795 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 01:59:51,932 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 795 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 01:59:51,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2025-02-08 01:59:51,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 144. [2025-02-08 01:59:51,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 94 states have (on average 1.1702127659574468) internal successors, (110), 97 states have internal predecessors, (110), 30 states have call successors, (30), 16 states have call predecessors, (30), 17 states have return successors, (30), 30 states have call predecessors, (30), 29 states have call successors, (30) [2025-02-08 01:59:51,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 170 transitions. [2025-02-08 01:59:51,950 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 170 transitions. Word has length 102 [2025-02-08 01:59:51,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:59:51,951 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 170 transitions. [2025-02-08 01:59:51,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2025-02-08 01:59:51,951 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 170 transitions. [2025-02-08 01:59:51,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-02-08 01:59:51,953 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:59:51,953 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:59:51,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 01:59:51,954 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2025-02-08 01:59:51,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:59:51,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1475894443, now seen corresponding path program 1 times [2025-02-08 01:59:51,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:59:51,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253243454] [2025-02-08 01:59:51,954 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:59:51,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:59:55,695 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-08 01:59:55,774 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-08 01:59:55,774 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:59:55,774 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:59:58,634 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-02-08 01:59:58,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:59:58,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253243454] [2025-02-08 01:59:58,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253243454] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:59:58,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 01:59:58,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-02-08 01:59:58,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488329791] [2025-02-08 01:59:58,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:59:58,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 01:59:58,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:59:58,636 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 01:59:58,636 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-02-08 01:59:58,636 INFO L87 Difference]: Start difference. First operand 144 states and 170 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 5 states have call predecessors, (18), 3 states have call successors, (18) [2025-02-08 01:59:59,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:59:59,161 INFO L93 Difference]: Finished difference Result 220 states and 262 transitions. [2025-02-08 01:59:59,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 01:59:59,162 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 5 states have call predecessors, (18), 3 states have call successors, (18) Word has length 107 [2025-02-08 01:59:59,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:59:59,163 INFO L225 Difference]: With dead ends: 220 [2025-02-08 01:59:59,163 INFO L226 Difference]: Without dead ends: 134 [2025-02-08 01:59:59,164 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-02-08 01:59:59,164 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 0 mSDsluCounter, 1103 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1262 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 01:59:59,164 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1262 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 01:59:59,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2025-02-08 01:59:59,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2025-02-08 01:59:59,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 87 states have (on average 1.160919540229885) internal successors, (101), 90 states have internal predecessors, (101), 29 states have call successors, (29), 15 states have call predecessors, (29), 15 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-02-08 01:59:59,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 158 transitions. [2025-02-08 01:59:59,171 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 158 transitions. Word has length 107 [2025-02-08 01:59:59,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:59:59,171 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 158 transitions. [2025-02-08 01:59:59,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 5 states have call predecessors, (18), 3 states have call successors, (18) [2025-02-08 01:59:59,172 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 158 transitions. [2025-02-08 01:59:59,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-02-08 01:59:59,173 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:59:59,173 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:59:59,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 01:59:59,173 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2025-02-08 01:59:59,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:59:59,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1780353724, now seen corresponding path program 1 times [2025-02-08 01:59:59,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:59:59,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836731233] [2025-02-08 01:59:59,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:59:59,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 02:00:02,744 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-02-08 02:00:02,837 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-02-08 02:00:02,838 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 02:00:02,838 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 02:00:03,749 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-02-08 02:00:03,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 02:00:03,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836731233] [2025-02-08 02:00:03,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836731233] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 02:00:03,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 02:00:03,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 02:00:03,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352936654] [2025-02-08 02:00:03,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 02:00:03,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 02:00:03,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 02:00:03,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 02:00:03,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 02:00:03,750 INFO L87 Difference]: Start difference. First operand 134 states and 158 transitions. Second operand has 5 states, 4 states have (on average 12.75) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-02-08 02:00:03,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 02:00:03,996 INFO L93 Difference]: Finished difference Result 199 states and 241 transitions. [2025-02-08 02:00:03,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 02:00:03,997 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.75) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 113 [2025-02-08 02:00:03,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 02:00:03,998 INFO L225 Difference]: With dead ends: 199 [2025-02-08 02:00:03,998 INFO L226 Difference]: Without dead ends: 134 [2025-02-08 02:00:03,999 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 02:00:03,999 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 7 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 02:00:03,999 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 596 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 02:00:04,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2025-02-08 02:00:04,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2025-02-08 02:00:04,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 87 states have (on average 1.1494252873563218) internal successors, (100), 90 states have internal predecessors, (100), 29 states have call successors, (29), 15 states have call predecessors, (29), 15 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-02-08 02:00:04,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 157 transitions. [2025-02-08 02:00:04,013 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 157 transitions. Word has length 113 [2025-02-08 02:00:04,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 02:00:04,014 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 157 transitions. [2025-02-08 02:00:04,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.75) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-02-08 02:00:04,014 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 157 transitions. [2025-02-08 02:00:04,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-02-08 02:00:04,015 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 02:00:04,015 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 02:00:04,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 02:00:04,019 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2025-02-08 02:00:04,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 02:00:04,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1036274981, now seen corresponding path program 1 times [2025-02-08 02:00:04,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 02:00:04,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956940420] [2025-02-08 02:00:04,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 02:00:04,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 02:00:07,613 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-02-08 02:00:07,687 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-02-08 02:00:07,688 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 02:00:07,688 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 02:00:08,625 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-02-08 02:00:08,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 02:00:08,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956940420] [2025-02-08 02:00:08,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956940420] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 02:00:08,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 02:00:08,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 02:00:08,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103175113] [2025-02-08 02:00:08,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 02:00:08,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 02:00:08,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 02:00:08,629 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 02:00:08,629 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 02:00:08,630 INFO L87 Difference]: Start difference. First operand 134 states and 157 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2025-02-08 02:00:09,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 02:00:09,098 INFO L93 Difference]: Finished difference Result 195 states and 236 transitions. [2025-02-08 02:00:09,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 02:00:09,102 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 113 [2025-02-08 02:00:09,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 02:00:09,104 INFO L225 Difference]: With dead ends: 195 [2025-02-08 02:00:09,104 INFO L226 Difference]: Without dead ends: 132 [2025-02-08 02:00:09,104 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-08 02:00:09,105 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 22 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 701 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 02:00:09,105 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 701 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 02:00:09,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2025-02-08 02:00:09,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 130. [2025-02-08 02:00:09,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 84 states have (on average 1.130952380952381) internal successors, (95), 86 states have internal predecessors, (95), 29 states have call successors, (29), 15 states have call predecessors, (29), 15 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-02-08 02:00:09,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 152 transitions. [2025-02-08 02:00:09,113 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 152 transitions. Word has length 113 [2025-02-08 02:00:09,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 02:00:09,113 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 152 transitions. [2025-02-08 02:00:09,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2025-02-08 02:00:09,113 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 152 transitions. [2025-02-08 02:00:09,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2025-02-08 02:00:09,114 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 02:00:09,114 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 02:00:09,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 02:00:09,115 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2025-02-08 02:00:09,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 02:00:09,115 INFO L85 PathProgramCache]: Analyzing trace with hash 875210109, now seen corresponding path program 1 times [2025-02-08 02:00:09,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 02:00:09,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86340126] [2025-02-08 02:00:09,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 02:00:09,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 02:00:12,654 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-02-08 02:00:12,725 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-02-08 02:00:12,725 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 02:00:12,725 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 02:00:13,671 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-02-08 02:00:13,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 02:00:13,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86340126] [2025-02-08 02:00:13,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86340126] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 02:00:13,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 02:00:13,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 02:00:13,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123492588] [2025-02-08 02:00:13,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 02:00:13,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 02:00:13,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 02:00:13,674 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 02:00:13,676 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 02:00:13,677 INFO L87 Difference]: Start difference. First operand 130 states and 152 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-02-08 02:00:14,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 02:00:14,179 INFO L93 Difference]: Finished difference Result 193 states and 231 transitions. [2025-02-08 02:00:14,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 02:00:14,180 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 114 [2025-02-08 02:00:14,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 02:00:14,181 INFO L225 Difference]: With dead ends: 193 [2025-02-08 02:00:14,183 INFO L226 Difference]: Without dead ends: 132 [2025-02-08 02:00:14,184 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-02-08 02:00:14,184 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 15 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 02:00:14,185 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 706 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 02:00:14,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2025-02-08 02:00:14,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 130. [2025-02-08 02:00:14,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 84 states have (on average 1.119047619047619) internal successors, (94), 86 states have internal predecessors, (94), 29 states have call successors, (29), 15 states have call predecessors, (29), 15 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-02-08 02:00:14,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 151 transitions. [2025-02-08 02:00:14,190 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 151 transitions. Word has length 114 [2025-02-08 02:00:14,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 02:00:14,191 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 151 transitions. [2025-02-08 02:00:14,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-02-08 02:00:14,191 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions. [2025-02-08 02:00:14,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2025-02-08 02:00:14,192 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 02:00:14,192 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 02:00:14,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 02:00:14,192 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2025-02-08 02:00:14,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 02:00:14,193 INFO L85 PathProgramCache]: Analyzing trace with hash -669485608, now seen corresponding path program 1 times [2025-02-08 02:00:14,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 02:00:14,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235276536] [2025-02-08 02:00:14,193 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 02:00:14,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 02:00:17,759 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-02-08 02:00:17,825 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-02-08 02:00:17,825 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 02:00:17,825 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 02:00:18,724 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-02-08 02:00:18,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 02:00:18,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235276536] [2025-02-08 02:00:18,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235276536] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 02:00:18,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 02:00:18,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 02:00:18,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934575153] [2025-02-08 02:00:18,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 02:00:18,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 02:00:18,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 02:00:18,726 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 02:00:18,727 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 02:00:18,727 INFO L87 Difference]: Start difference. First operand 130 states and 151 transitions. Second operand has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-02-08 02:00:19,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 02:00:19,179 INFO L93 Difference]: Finished difference Result 193 states and 229 transitions. [2025-02-08 02:00:19,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 02:00:19,179 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 115 [2025-02-08 02:00:19,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 02:00:19,181 INFO L225 Difference]: With dead ends: 193 [2025-02-08 02:00:19,181 INFO L226 Difference]: Without dead ends: 132 [2025-02-08 02:00:19,181 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-02-08 02:00:19,181 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 13 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 02:00:19,181 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 561 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 02:00:19,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2025-02-08 02:00:19,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 130. [2025-02-08 02:00:19,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 84 states have (on average 1.1071428571428572) internal successors, (93), 86 states have internal predecessors, (93), 29 states have call successors, (29), 15 states have call predecessors, (29), 15 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-02-08 02:00:19,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 150 transitions. [2025-02-08 02:00:19,186 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 150 transitions. Word has length 115 [2025-02-08 02:00:19,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 02:00:19,187 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 150 transitions. [2025-02-08 02:00:19,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-02-08 02:00:19,187 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 150 transitions. [2025-02-08 02:00:19,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2025-02-08 02:00:19,187 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 02:00:19,188 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 02:00:19,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-08 02:00:19,188 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2025-02-08 02:00:19,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 02:00:19,188 INFO L85 PathProgramCache]: Analyzing trace with hash -565460007, now seen corresponding path program 1 times [2025-02-08 02:00:19,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 02:00:19,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799428673] [2025-02-08 02:00:19,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 02:00:19,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 02:00:22,737 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-02-08 02:00:22,814 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-02-08 02:00:22,814 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 02:00:22,814 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 02:00:23,815 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-02-08 02:00:23,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 02:00:23,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799428673] [2025-02-08 02:00:23,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799428673] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 02:00:23,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 02:00:23,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 02:00:23,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860197142] [2025-02-08 02:00:23,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 02:00:23,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 02:00:23,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 02:00:23,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 02:00:23,816 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 02:00:23,816 INFO L87 Difference]: Start difference. First operand 130 states and 150 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-02-08 02:00:24,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 02:00:24,204 INFO L93 Difference]: Finished difference Result 191 states and 225 transitions. [2025-02-08 02:00:24,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 02:00:24,205 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 116 [2025-02-08 02:00:24,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 02:00:24,206 INFO L225 Difference]: With dead ends: 191 [2025-02-08 02:00:24,206 INFO L226 Difference]: Without dead ends: 130 [2025-02-08 02:00:24,207 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-02-08 02:00:24,207 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 10 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 02:00:24,207 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 562 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 02:00:24,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2025-02-08 02:00:24,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2025-02-08 02:00:24,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 84 states have (on average 1.0952380952380953) internal successors, (92), 86 states have internal predecessors, (92), 29 states have call successors, (29), 15 states have call predecessors, (29), 15 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-02-08 02:00:24,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 149 transitions. [2025-02-08 02:00:24,212 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 149 transitions. Word has length 116 [2025-02-08 02:00:24,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 02:00:24,213 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 149 transitions. [2025-02-08 02:00:24,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-02-08 02:00:24,213 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 149 transitions. [2025-02-08 02:00:24,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-02-08 02:00:24,213 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 02:00:24,214 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 02:00:24,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-08 02:00:24,214 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2025-02-08 02:00:24,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 02:00:24,214 INFO L85 PathProgramCache]: Analyzing trace with hash -890681100, now seen corresponding path program 1 times [2025-02-08 02:00:24,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 02:00:24,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892615897] [2025-02-08 02:00:24,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 02:00:24,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 02:00:27,711 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-02-08 02:00:27,779 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-02-08 02:00:27,779 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 02:00:27,779 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 02:00:28,222 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-02-08 02:00:28,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 02:00:28,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892615897] [2025-02-08 02:00:28,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892615897] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 02:00:28,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 02:00:28,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 02:00:28,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163814945] [2025-02-08 02:00:28,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 02:00:28,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 02:00:28,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 02:00:28,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 02:00:28,227 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 02:00:28,228 INFO L87 Difference]: Start difference. First operand 130 states and 149 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) [2025-02-08 02:00:28,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 02:00:28,342 INFO L93 Difference]: Finished difference Result 130 states and 149 transitions. [2025-02-08 02:00:28,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 02:00:28,343 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) Word has length 117 [2025-02-08 02:00:28,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 02:00:28,347 INFO L225 Difference]: With dead ends: 130 [2025-02-08 02:00:28,347 INFO L226 Difference]: Without dead ends: 127 [2025-02-08 02:00:28,347 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 02:00:28,348 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 0 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 02:00:28,348 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 423 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 02:00:28,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2025-02-08 02:00:28,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2025-02-08 02:00:28,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 82 states have (on average 1.0853658536585367) internal successors, (89), 83 states have internal predecessors, (89), 29 states have call successors, (29), 15 states have call predecessors, (29), 15 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-02-08 02:00:28,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 146 transitions. [2025-02-08 02:00:28,358 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 146 transitions. Word has length 117 [2025-02-08 02:00:28,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 02:00:28,358 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 146 transitions. [2025-02-08 02:00:28,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) [2025-02-08 02:00:28,358 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 146 transitions. [2025-02-08 02:00:28,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2025-02-08 02:00:28,359 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 02:00:28,359 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 02:00:28,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-08 02:00:28,359 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2025-02-08 02:00:28,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 02:00:28,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1573996842, now seen corresponding path program 1 times [2025-02-08 02:00:28,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 02:00:28,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016096599] [2025-02-08 02:00:28,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 02:00:28,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 02:00:31,842 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 166 statements into 1 equivalence classes. [2025-02-08 02:00:31,926 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 166 of 166 statements. [2025-02-08 02:00:31,927 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 02:00:31,927 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 02:00:32,377 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 02:00:32,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 02:00:32,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016096599] [2025-02-08 02:00:32,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016096599] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 02:00:32,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 02:00:32,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 02:00:32,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723241946] [2025-02-08 02:00:32,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 02:00:32,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 02:00:32,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 02:00:32,379 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 02:00:32,379 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 02:00:32,379 INFO L87 Difference]: Start difference. First operand 127 states and 146 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) [2025-02-08 02:00:32,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 02:00:32,524 INFO L93 Difference]: Finished difference Result 186 states and 217 transitions. [2025-02-08 02:00:32,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 02:00:32,524 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) Word has length 166 [2025-02-08 02:00:32,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 02:00:32,527 INFO L225 Difference]: With dead ends: 186 [2025-02-08 02:00:32,527 INFO L226 Difference]: Without dead ends: 130 [2025-02-08 02:00:32,528 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 02:00:32,528 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 1 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 02:00:32,528 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 421 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 02:00:32,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2025-02-08 02:00:32,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 129. [2025-02-08 02:00:32,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 84 states have (on average 1.0833333333333333) internal successors, (91), 85 states have internal predecessors, (91), 29 states have call successors, (29), 15 states have call predecessors, (29), 15 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-02-08 02:00:32,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 148 transitions. [2025-02-08 02:00:32,534 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 148 transitions. Word has length 166 [2025-02-08 02:00:32,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 02:00:32,535 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 148 transitions. [2025-02-08 02:00:32,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) [2025-02-08 02:00:32,536 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 148 transitions. [2025-02-08 02:00:32,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2025-02-08 02:00:32,537 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 02:00:32,537 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 02:00:32,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-08 02:00:32,537 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2025-02-08 02:00:32,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 02:00:32,538 INFO L85 PathProgramCache]: Analyzing trace with hash 168813493, now seen corresponding path program 1 times [2025-02-08 02:00:32,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 02:00:32,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862780940] [2025-02-08 02:00:32,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 02:00:32,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 02:00:36,114 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 166 statements into 1 equivalence classes. [2025-02-08 02:00:36,195 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 166 of 166 statements. [2025-02-08 02:00:36,195 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 02:00:36,195 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 02:00:37,440 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 02:00:37,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 02:00:37,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862780940] [2025-02-08 02:00:37,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862780940] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 02:00:37,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 02:00:37,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-08 02:00:37,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539277474] [2025-02-08 02:00:37,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 02:00:37,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 02:00:37,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 02:00:37,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 02:00:37,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-02-08 02:00:37,441 INFO L87 Difference]: Start difference. First operand 129 states and 148 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 5 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 5 states have call predecessors, (24), 4 states have call successors, (24) [2025-02-08 02:00:38,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 02:00:38,421 INFO L93 Difference]: Finished difference Result 193 states and 223 transitions. [2025-02-08 02:00:38,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 02:00:38,422 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 5 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 5 states have call predecessors, (24), 4 states have call successors, (24) Word has length 166 [2025-02-08 02:00:38,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 02:00:38,423 INFO L225 Difference]: With dead ends: 193 [2025-02-08 02:00:38,423 INFO L226 Difference]: Without dead ends: 130 [2025-02-08 02:00:38,423 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2025-02-08 02:00:38,424 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 27 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-08 02:00:38,425 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 595 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-08 02:00:38,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2025-02-08 02:00:38,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 127. [2025-02-08 02:00:38,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 82 states have (on average 1.0731707317073171) internal successors, (88), 83 states have internal predecessors, (88), 29 states have call successors, (29), 15 states have call predecessors, (29), 15 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-02-08 02:00:38,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 145 transitions. [2025-02-08 02:00:38,432 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 145 transitions. Word has length 166 [2025-02-08 02:00:38,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 02:00:38,432 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 145 transitions. [2025-02-08 02:00:38,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 5 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 5 states have call predecessors, (24), 4 states have call successors, (24) [2025-02-08 02:00:38,432 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 145 transitions. [2025-02-08 02:00:38,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2025-02-08 02:00:38,433 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 02:00:38,433 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 02:00:38,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-08 02:00:38,433 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2025-02-08 02:00:38,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 02:00:38,434 INFO L85 PathProgramCache]: Analyzing trace with hash 606867800, now seen corresponding path program 1 times [2025-02-08 02:00:38,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 02:00:38,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358789656] [2025-02-08 02:00:38,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 02:00:38,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 02:00:41,955 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-02-08 02:00:42,241 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-02-08 02:00:42,242 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 02:00:42,242 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 02:00:43,016 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 02:00:43,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 02:00:43,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358789656] [2025-02-08 02:00:43,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358789656] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 02:00:43,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 02:00:43,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 02:00:43,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415947565] [2025-02-08 02:00:43,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 02:00:43,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 02:00:43,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 02:00:43,017 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 02:00:43,017 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 02:00:43,017 INFO L87 Difference]: Start difference. First operand 127 states and 145 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2025-02-08 02:00:43,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 02:00:43,122 INFO L93 Difference]: Finished difference Result 238 states and 269 transitions. [2025-02-08 02:00:43,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 02:00:43,122 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 168 [2025-02-08 02:00:43,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 02:00:43,123 INFO L225 Difference]: With dead ends: 238 [2025-02-08 02:00:43,123 INFO L226 Difference]: Without dead ends: 128 [2025-02-08 02:00:43,123 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 02:00:43,124 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 0 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 02:00:43,124 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 424 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 02:00:43,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2025-02-08 02:00:43,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2025-02-08 02:00:43,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 83 states have (on average 1.072289156626506) internal successors, (89), 84 states have internal predecessors, (89), 29 states have call successors, (29), 15 states have call predecessors, (29), 15 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-02-08 02:00:43,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 146 transitions. [2025-02-08 02:00:43,130 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 146 transitions. Word has length 168 [2025-02-08 02:00:43,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 02:00:43,130 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 146 transitions. [2025-02-08 02:00:43,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2025-02-08 02:00:43,130 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 146 transitions. [2025-02-08 02:00:43,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2025-02-08 02:00:43,132 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 02:00:43,132 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 02:00:43,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-08 02:00:43,133 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2025-02-08 02:00:43,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 02:00:43,133 INFO L85 PathProgramCache]: Analyzing trace with hash -648655351, now seen corresponding path program 1 times [2025-02-08 02:00:43,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 02:00:43,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191278167] [2025-02-08 02:00:43,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 02:00:43,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 02:00:46,690 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-02-08 02:00:46,959 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-02-08 02:00:46,963 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 02:00:46,963 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 02:00:48,485 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 02:00:48,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 02:00:48,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191278167] [2025-02-08 02:00:48,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191278167] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 02:00:48,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1161759866] [2025-02-08 02:00:48,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 02:00:48,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 02:00:48,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 02:00:48,490 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 02:00:48,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 02:00:53,588 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-02-08 02:00:54,029 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-02-08 02:00:54,029 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 02:00:54,029 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 02:00:54,049 INFO L256 TraceCheckSpWp]: Trace formula consists of 4419 conjuncts, 104 conjuncts are in the unsatisfiable core [2025-02-08 02:00:54,057 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 02:00:54,096 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 8 treesize of output 1 [2025-02-08 02:00:54,317 WARN L873 $PredicateComparison]: unable to prove that (exists ((v_aws_atomic_init_ptr_~var.offset_33 Int)) (and (= (store |c_old(#memory_$Pointer$#3.offset)| |c_aws_atomic_init_ptr_#in~var.base| (store (select |c_old(#memory_$Pointer$#3.offset)| |c_aws_atomic_init_ptr_#in~var.base|) v_aws_atomic_init_ptr_~var.offset_33 (select (select |c_#memory_$Pointer$#3.offset| |c_aws_atomic_init_ptr_#in~var.base|) v_aws_atomic_init_ptr_~var.offset_33))) |c_#memory_$Pointer$#3.offset|) (<= |c_aws_atomic_init_ptr_#in~var.offset| v_aws_atomic_init_ptr_~var.offset_33) (= (store |c_old(#memory_$Pointer$#3.base)| |c_aws_atomic_init_ptr_#in~var.base| (store (select |c_old(#memory_$Pointer$#3.base)| |c_aws_atomic_init_ptr_#in~var.base|) v_aws_atomic_init_ptr_~var.offset_33 (select (select |c_#memory_$Pointer$#3.base| |c_aws_atomic_init_ptr_#in~var.base|) v_aws_atomic_init_ptr_~var.offset_33))) |c_#memory_$Pointer$#3.base|))) is different from true [2025-02-08 02:00:54,427 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 [2025-02-08 02:00:54,449 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 [2025-02-08 02:00:54,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2025-02-08 02:00:54,981 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 19 treesize of output 19 [2025-02-08 02:00:55,177 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-02-08 02:00:55,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 22 [2025-02-08 02:00:55,219 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 35 treesize of output 31 [2025-02-08 02:00:59,545 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_ring_buffer_init_~ring_buf#1.base_BEFORE_CALL_2| Int) (|v_ULTIMATE.start_aws_ring_buffer_init_~ring_buf#1.offset_BEFORE_CALL_2| Int)) (let ((.cse1 (select |c_#memory_$Pointer$#3.base| |v_ULTIMATE.start_aws_ring_buffer_init_~ring_buf#1.base_BEFORE_CALL_2|)) (.cse4 (+ |v_ULTIMATE.start_aws_ring_buffer_init_~ring_buf#1.offset_BEFORE_CALL_2| 8))) (let ((.cse0 (select .cse1 .cse4)) (.cse2 (+ |v_ULTIMATE.start_aws_ring_buffer_init_~ring_buf#1.offset_BEFORE_CALL_2| 24))) (and (= .cse0 (select .cse1 .cse2)) (= .cse0 (select .cse1 (+ 32 |v_ULTIMATE.start_aws_ring_buffer_init_~ring_buf#1.offset_BEFORE_CALL_2|))) (let ((.cse3 (select |c_#memory_$Pointer$#3.offset| |v_ULTIMATE.start_aws_ring_buffer_init_~ring_buf#1.base_BEFORE_CALL_2|))) (<= (select .cse3 .cse4) (select .cse3 .cse2))))))) is different from true