./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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.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 70a5555363c5db9243c3f7610027e313e965c8c5b41c83afdf341ddb0ae54a0a --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:59:05,832 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:59:05,903 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:59:05,908 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:59:05,908 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:59:05,925 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:59:05,926 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:59:05,926 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:59:05,926 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:59:05,927 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:59:05,927 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:59:05,927 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:59:05,927 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:59:05,927 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:59:05,927 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:59:05,928 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:59:05,928 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:59:05,928 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:59:05,928 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:59:05,928 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:59:05,928 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:59:05,928 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:59:05,928 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:59:05,929 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:59:05,929 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:59:05,929 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:59:05,929 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:59:05,929 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:59:05,929 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:59:05,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:59:05,929 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:59:05,930 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:59:05,930 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:59:05,930 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:59:05,930 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:59:05,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:59:05,930 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:59:05,930 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:59:05,930 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:59:05,930 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:59:05,930 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 -> 70a5555363c5db9243c3f7610027e313e965c8c5b41c83afdf341ddb0ae54a0a [2025-02-08 01:59:06,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:59:06,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:59:06,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:59:06,204 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:59:06,204 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:59:06,205 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i [2025-02-08 01:59:07,518 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0af64270f/71d0fe7e7f5b4c2397769ef85a1e9c9b/FLAGc565ea4a8 [2025-02-08 01:59:08,116 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:59:08,119 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i [2025-02-08 01:59:08,170 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0af64270f/71d0fe7e7f5b4c2397769ef85a1e9c9b/FLAGc565ea4a8 [2025-02-08 01:59:08,594 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0af64270f/71d0fe7e7f5b4c2397769ef85a1e9c9b [2025-02-08 01:59:08,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:59:08,599 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:59:08,600 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:59:08,600 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:59:08,604 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:59:08,605 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:59:08" (1/1) ... [2025-02-08 01:59:08,606 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a769cbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:59:08, skipping insertion in model container [2025-02-08 01:59:08,606 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:59:08" (1/1) ... [2025-02-08 01:59:08,686 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:59:08,986 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.i[4494,4507] [2025-02-08 01:59:08,995 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.i[4554,4567] [2025-02-08 01:59:09,824 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:09,825 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:09,825 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:09,826 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:09,827 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:09,838 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:09,839 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:09,841 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:09,841 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:09,843 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:09,843 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:09,844 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:09,844 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:10,491 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.i[173819,173832] [2025-02-08 01:59:10,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:59:10,528 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:59:10,545 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.i[4494,4507] [2025-02-08 01:59:10,550 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.i[4554,4567] [2025-02-08 01:59:10,618 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:10,618 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:10,619 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:10,619 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:10,621 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:10,628 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:10,629 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:10,631 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:10,632 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:10,634 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:10,634 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:10,637 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:10,638 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:59:10,745 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7591-7602] [2025-02-08 01:59:10,767 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.i[173819,173832] [2025-02-08 01:59:10,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:59:11,023 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:59:11,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:59:11 WrapperNode [2025-02-08 01:59:11,024 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:59:11,025 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:59:11,026 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:59:11,026 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:59:11,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:59:11" (1/1) ... [2025-02-08 01:59:11,119 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:59:11" (1/1) ... [2025-02-08 01:59:11,207 INFO L138 Inliner]: procedures = 678, calls = 1512, calls flagged for inlining = 49, calls inlined = 7, statements flattened = 576 [2025-02-08 01:59:11,212 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:59:11,213 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:59:11,213 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:59:11,213 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:59:11,222 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:59:11" (1/1) ... [2025-02-08 01:59:11,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:59:11" (1/1) ... [2025-02-08 01:59:11,234 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:59:11" (1/1) ... [2025-02-08 01:59:11,323 INFO L175 MemorySlicer]: Split 271 memory accesses to 4 slices as follows [2, 238, 26, 5]. 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, 5, 0]. [2025-02-08 01:59:11,323 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:59:11" (1/1) ... [2025-02-08 01:59:11,324 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:59:11" (1/1) ... [2025-02-08 01:59:11,358 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:59:11" (1/1) ... [2025-02-08 01:59:11,364 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:59:11" (1/1) ... [2025-02-08 01:59:11,374 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:59:11" (1/1) ... [2025-02-08 01:59:11,381 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:59:11" (1/1) ... [2025-02-08 01:59:11,395 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:59:11,400 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:59:11,400 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:59:11,400 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:59:11,403 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:59:11" (1/1) ... [2025-02-08 01:59:11,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:59:11,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:59:11,440 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 01:59:11,445 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 01:59:11,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:59:11,471 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:59:11,471 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:59:11,471 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-02-08 01:59:11,472 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-02-08 01:59:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2025-02-08 01:59:11,472 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2025-02-08 01:59:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:59:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:59:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:59:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:59:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_init_ptr [2025-02-08 01:59:11,472 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_init_ptr [2025-02-08 01:59:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-08 01:59:11,472 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-08 01:59:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:59:11,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:59:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:59:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:59:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:59:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:59:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:59:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:59:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2025-02-08 01:59:11,473 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2025-02-08 01:59:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:59:11,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:59:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:59:11,474 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:59:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-02-08 01:59:11,474 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-02-08 01:59:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:59:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:59:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:59:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:59:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-02-08 01:59:11,474 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-02-08 01:59:11,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-08 01:59:11,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-08 01:59:11,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-08 01:59:11,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-02-08 01:59:11,475 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-08 01:59:11,475 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-08 01:59:11,475 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-08 01:59:11,475 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-02-08 01:59:11,475 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:59:11,475 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:59:11,475 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-02-08 01:59:11,476 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-02-08 01:59:11,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:59:11,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:59:11,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:59:11,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:59:11,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:59:11,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:59:11,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:59:11,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:59:11,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:59:11,477 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2025-02-08 01:59:11,477 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2025-02-08 01:59:11,477 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:59:11,477 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:59:11,477 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2025-02-08 01:59:11,477 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2025-02-08 01:59:11,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:59:11,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:59:11,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:59:11,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:59:11,784 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:59:11,786 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:59:11,838 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc583.base, #t~malloc583.offset; [2025-02-08 01:59:11,874 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:59:11,883 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6974: havoc #t~ret595.base, #t~ret595.offset; [2025-02-08 01:59:11,885 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-02-08 01:59:11,910 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6093: havoc #t~mem478.base, #t~mem478.offset;havoc #t~mem479.base, #t~mem479.offset;havoc #t~short480; [2025-02-08 01:59:12,024 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6949: havoc #t~ret587;havoc #t~ite589.base, #t~ite589.offset;havoc #t~ret588.base, #t~ret588.offset; [2025-02-08 01:59:12,050 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842: 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 01:59:12,051 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5673: havoc #t~ret434#1.base, #t~ret434#1.offset; [2025-02-08 01:59:12,100 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6126: 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 01:59:17,523 INFO L? ?]: Removed 97 outVars from TransFormulas that were not future-live. [2025-02-08 01:59:17,524 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:59:17,540 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:59:17,540 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:59:17,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:59:17 BoogieIcfgContainer [2025-02-08 01:59:17,541 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:59:17,543 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:59:17,543 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:59:17,547 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:59:17,548 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:59:08" (1/3) ... [2025-02-08 01:59:17,549 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@257dcb2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:59:17, skipping insertion in model container [2025-02-08 01:59:17,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:59:11" (2/3) ... [2025-02-08 01:59:17,549 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@257dcb2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:59:17, skipping insertion in model container [2025-02-08 01:59:17,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:59:17" (3/3) ... [2025-02-08 01:59:17,550 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_init_harness.i [2025-02-08 01:59:17,564 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:59:17,565 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_ring_buffer_init_harness.i that has 20 procedures, 156 locations, 1 initial locations, 6 loop locations, and 3 error locations. [2025-02-08 01:59:17,626 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:59:17,638 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;@464b8f33, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:59:17,639 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-02-08 01:59:17,644 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 01:59:17,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-02-08 01:59:17,654 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:59:17,655 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 01:59:17,656 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 01:59:17,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:59:17,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1483653258, now seen corresponding path program 1 times [2025-02-08 01:59:17,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:59:17,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346828051] [2025-02-08 01:59:17,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:59:17,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:59:22,413 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-02-08 01:59:22,774 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-02-08 01:59:22,774 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:59:22,775 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:59:23,271 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 01:59:23,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:59:23,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346828051] [2025-02-08 01:59:23,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346828051] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:59:23,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273810519] [2025-02-08 01:59:23,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:59:23,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:59:23,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:59:23,278 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 01:59:23,281 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 01:59:28,167 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-02-08 01:59:28,729 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-02-08 01:59:28,730 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:59:28,730 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:59:28,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 4129 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 01:59:28,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:59:28,779 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 01:59:28,779 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:59:28,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1273810519] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:59:28,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:59:28,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-08 01:59:28,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115195444] [2025-02-08 01:59:28,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:59:28,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 01:59:28,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:59:28,807 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 01:59:28,808 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 01:59:28,810 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 01:59:28,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:59:28,853 INFO L93 Difference]: Finished difference Result 279 states and 364 transitions. [2025-02-08 01:59:28,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 01:59:28,855 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 01:59:28,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:59:28,863 INFO L225 Difference]: With dead ends: 279 [2025-02-08 01:59:28,863 INFO L226 Difference]: Without dead ends: 139 [2025-02-08 01:59:28,866 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 01:59:28,868 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 01:59:28,869 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 01:59:28,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2025-02-08 01:59:28,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2025-02-08 01:59:28,908 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 01:59:28,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 165 transitions. [2025-02-08 01:59:28,919 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 165 transitions. Word has length 95 [2025-02-08 01:59:28,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:59:28,921 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 165 transitions. [2025-02-08 01:59:28,921 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 01:59:28,921 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 165 transitions. [2025-02-08 01:59:28,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-02-08 01:59:28,925 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:59:28,926 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 01:59:28,943 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 01:59:29,127 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 01:59:29,127 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 01:59:29,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:59:29,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1016525388, now seen corresponding path program 1 times [2025-02-08 01:59:29,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:59:29,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782274500] [2025-02-08 01:59:29,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:59:29,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:59:33,693 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-02-08 01:59:33,868 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-02-08 01:59:33,868 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:59:33,868 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:59:35,706 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 01:59:35,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:59:35,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782274500] [2025-02-08 01:59:35,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782274500] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:59:35,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 01:59:35,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 01:59:35,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353356302] [2025-02-08 01:59:35,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:59:35,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 01:59:35,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:59:35,708 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 01:59:35,708 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 01:59:35,711 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 01:59:36,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:59:36,025 INFO L93 Difference]: Finished difference Result 221 states and 264 transitions. [2025-02-08 01:59:36,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 01:59:36,026 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 01:59:36,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:59:36,028 INFO L225 Difference]: With dead ends: 221 [2025-02-08 01:59:36,028 INFO L226 Difference]: Without dead ends: 145 [2025-02-08 01:59:36,029 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 01:59:36,030 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 2 mSDsluCounter, 635 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 01:59:36,030 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 795 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 01:59:36,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2025-02-08 01:59:36,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 144. [2025-02-08 01:59:36,043 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 01:59:36,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 170 transitions. [2025-02-08 01:59:36,045 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 170 transitions. Word has length 102 [2025-02-08 01:59:36,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:59:36,046 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 170 transitions. [2025-02-08 01:59:36,046 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 01:59:36,046 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 170 transitions. [2025-02-08 01:59:36,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-02-08 01:59:36,048 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:59:36,048 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 01:59:36,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 01:59:36,049 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 01:59:36,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:59:36,049 INFO L85 PathProgramCache]: Analyzing trace with hash 167876911, now seen corresponding path program 1 times [2025-02-08 01:59:36,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:59:36,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661707822] [2025-02-08 01:59:36,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:59:36,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:59:39,685 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-08 01:59:39,817 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-08 01:59:39,818 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:59:39,818 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:59:43,529 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 01:59:43,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:59:43,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661707822] [2025-02-08 01:59:43,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661707822] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:59:43,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 01:59:43,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-02-08 01:59:43,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089996726] [2025-02-08 01:59:43,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:59:43,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 01:59:43,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:59:43,531 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 01:59:43,531 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-02-08 01:59:43,531 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 01:59:44,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:59:44,056 INFO L93 Difference]: Finished difference Result 220 states and 262 transitions. [2025-02-08 01:59:44,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 01:59:44,057 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 01:59:44,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:59:44,059 INFO L225 Difference]: With dead ends: 220 [2025-02-08 01:59:44,059 INFO L226 Difference]: Without dead ends: 134 [2025-02-08 01:59:44,059 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 01:59:44,060 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 01:59:44,060 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 01:59:44,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2025-02-08 01:59:44,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2025-02-08 01:59:44,069 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 01:59:44,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 158 transitions. [2025-02-08 01:59:44,070 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 158 transitions. Word has length 107 [2025-02-08 01:59:44,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:59:44,071 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 158 transitions. [2025-02-08 01:59:44,071 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 01:59:44,071 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 158 transitions. [2025-02-08 01:59:44,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-02-08 01:59:44,072 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:59:44,072 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 01:59:44,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 01:59:44,073 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 01:59:44,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:59:44,073 INFO L85 PathProgramCache]: Analyzing trace with hash -301935552, now seen corresponding path program 1 times [2025-02-08 01:59:44,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:59:44,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706899951] [2025-02-08 01:59:44,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:59:44,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:59:47,645 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-02-08 01:59:47,762 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-02-08 01:59:47,762 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:59:47,762 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:59:48,996 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 01:59:48,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:59:48,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706899951] [2025-02-08 01:59:48,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706899951] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:59:48,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 01:59:48,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 01:59:48,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491223437] [2025-02-08 01:59:48,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:59:48,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 01:59:48,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:59:48,997 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 01:59:48,998 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 01:59:48,998 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 01:59:49,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:59:49,231 INFO L93 Difference]: Finished difference Result 199 states and 241 transitions. [2025-02-08 01:59:49,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 01:59:49,232 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 01:59:49,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:59:49,234 INFO L225 Difference]: With dead ends: 199 [2025-02-08 01:59:49,234 INFO L226 Difference]: Without dead ends: 134 [2025-02-08 01:59:49,234 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 01:59:49,235 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 01:59:49,235 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 01:59:49,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2025-02-08 01:59:49,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2025-02-08 01:59:49,253 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 01:59:49,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 157 transitions. [2025-02-08 01:59:49,256 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 157 transitions. Word has length 113 [2025-02-08 01:59:49,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:59:49,257 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 157 transitions. [2025-02-08 01:59:49,257 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 01:59:49,257 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 157 transitions. [2025-02-08 01:59:49,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-02-08 01:59:49,262 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:59:49,263 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 01:59:49,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 01:59:49,263 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 01:59:49,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:59:49,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1176403039, now seen corresponding path program 1 times [2025-02-08 01:59:49,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:59:49,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82972224] [2025-02-08 01:59:49,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:59:49,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:59:52,863 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-02-08 01:59:52,994 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-02-08 01:59:52,995 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:59:52,995 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:59:54,245 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 01:59:54,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:59:54,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82972224] [2025-02-08 01:59:54,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82972224] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:59:54,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 01:59:54,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 01:59:54,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979209808] [2025-02-08 01:59:54,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:59:54,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 01:59:54,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:59:54,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 01:59:54,247 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 01:59:54,247 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 01:59:54,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:59:54,659 INFO L93 Difference]: Finished difference Result 195 states and 236 transitions. [2025-02-08 01:59:54,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 01:59:54,661 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 01:59:54,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:59:54,664 INFO L225 Difference]: With dead ends: 195 [2025-02-08 01:59:54,664 INFO L226 Difference]: Without dead ends: 132 [2025-02-08 01:59:54,665 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-08 01:59:54,666 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 01:59:54,666 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 01:59:54,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2025-02-08 01:59:54,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 130. [2025-02-08 01:59:54,673 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 01:59:54,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 152 transitions. [2025-02-08 01:59:54,675 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 152 transitions. Word has length 113 [2025-02-08 01:59:54,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:59:54,676 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 152 transitions. [2025-02-08 01:59:54,676 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 01:59:54,676 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 152 transitions. [2025-02-08 01:59:54,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2025-02-08 01:59:54,677 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:59:54,678 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 01:59:54,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 01:59:54,678 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 01:59:54,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:59:54,679 INFO L85 PathProgramCache]: Analyzing trace with hash 748751993, now seen corresponding path program 1 times [2025-02-08 01:59:54,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:59:54,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555402170] [2025-02-08 01:59:54,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:59:54,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:59:58,205 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-02-08 01:59:58,325 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-02-08 01:59:58,326 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:59:58,326 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:59:59,471 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 01:59:59,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:59:59,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555402170] [2025-02-08 01:59:59,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555402170] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:59:59,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 01:59:59,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 01:59:59,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148838857] [2025-02-08 01:59:59,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:59:59,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 01:59:59,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:59:59,473 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 01:59:59,473 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 01:59:59,473 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 01:59:59,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:59:59,961 INFO L93 Difference]: Finished difference Result 193 states and 231 transitions. [2025-02-08 01:59:59,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 01:59:59,962 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 01:59:59,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:59:59,963 INFO L225 Difference]: With dead ends: 193 [2025-02-08 01:59:59,966 INFO L226 Difference]: Without dead ends: 132 [2025-02-08 01:59:59,966 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 01:59:59,967 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 01:59:59,967 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 01:59:59,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2025-02-08 01:59:59,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 130. [2025-02-08 01:59:59,979 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 01:59:59,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 151 transitions. [2025-02-08 01:59:59,981 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 151 transitions. Word has length 114 [2025-02-08 01:59:59,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:59:59,981 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 151 transitions. [2025-02-08 01:59:59,981 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 01:59:59,981 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions. [2025-02-08 01:59:59,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2025-02-08 01:59:59,982 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:59:59,986 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 01:59:59,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 01:59:59,986 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 01:59:59,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:59:59,987 INFO L85 PathProgramCache]: Analyzing trace with hash -294719908, now seen corresponding path program 1 times [2025-02-08 01:59:59,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:59:59,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840675873] [2025-02-08 01:59:59,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:59:59,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 02:00:03,601 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-02-08 02:00:03,702 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-02-08 02:00:03,702 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 02:00:03,702 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 02:00:04,872 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 02:00:04,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 02:00:04,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840675873] [2025-02-08 02:00:04,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840675873] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 02:00:04,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 02:00:04,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 02:00:04,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917093792] [2025-02-08 02:00:04,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 02:00:04,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 02:00:04,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 02:00:04,873 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 02:00:04,874 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 02:00:04,874 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 02:00:05,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 02:00:05,290 INFO L93 Difference]: Finished difference Result 193 states and 229 transitions. [2025-02-08 02:00:05,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 02:00:05,291 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 02:00:05,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 02:00:05,292 INFO L225 Difference]: With dead ends: 193 [2025-02-08 02:00:05,292 INFO L226 Difference]: Without dead ends: 132 [2025-02-08 02:00:05,292 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 02:00:05,293 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 02:00:05,293 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 02:00:05,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2025-02-08 02:00:05,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 130. [2025-02-08 02:00:05,299 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 02:00:05,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 150 transitions. [2025-02-08 02:00:05,301 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 150 transitions. Word has length 115 [2025-02-08 02:00:05,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 02:00:05,301 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 150 transitions. [2025-02-08 02:00:05,301 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 02:00:05,301 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 150 transitions. [2025-02-08 02:00:05,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2025-02-08 02:00:05,302 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 02:00:05,302 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 02:00:05,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-08 02:00:05,303 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 02:00:05,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 02:00:05,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1832625195, now seen corresponding path program 1 times [2025-02-08 02:00:05,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 02:00:05,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343703113] [2025-02-08 02:00:05,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 02:00:05,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 02:00:08,861 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-02-08 02:00:08,930 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-02-08 02:00:08,931 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 02:00:08,931 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 02:00:09,896 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 02:00:09,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 02:00:09,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343703113] [2025-02-08 02:00:09,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343703113] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 02:00:09,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 02:00:09,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 02:00:09,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552719092] [2025-02-08 02:00:09,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 02:00:09,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 02:00:09,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 02:00:09,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 02:00:09,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 02:00:09,897 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 02:00:10,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 02:00:10,279 INFO L93 Difference]: Finished difference Result 191 states and 225 transitions. [2025-02-08 02:00:10,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 02:00:10,281 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 02:00:10,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 02:00:10,282 INFO L225 Difference]: With dead ends: 191 [2025-02-08 02:00:10,282 INFO L226 Difference]: Without dead ends: 130 [2025-02-08 02:00:10,283 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 02:00:10,283 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 02:00:10,283 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 02:00:10,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2025-02-08 02:00:10,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2025-02-08 02:00:10,292 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 02:00:10,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 149 transitions. [2025-02-08 02:00:10,294 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 149 transitions. Word has length 116 [2025-02-08 02:00:10,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 02:00:10,295 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 149 transitions. [2025-02-08 02:00:10,295 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 02:00:10,295 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 149 transitions. [2025-02-08 02:00:10,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-02-08 02:00:10,296 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 02:00:10,297 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 02:00:10,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-08 02:00:10,297 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 02:00:10,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 02:00:10,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1518096264, now seen corresponding path program 1 times [2025-02-08 02:00:10,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 02:00:10,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126025833] [2025-02-08 02:00:10,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 02:00:10,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 02:00:13,804 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-02-08 02:00:13,870 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-02-08 02:00:13,870 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 02:00:13,870 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 02:00:14,304 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 02:00:14,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 02:00:14,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126025833] [2025-02-08 02:00:14,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126025833] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 02:00:14,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 02:00:14,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 02:00:14,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694301281] [2025-02-08 02:00:14,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 02:00:14,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 02:00:14,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 02:00:14,306 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 02:00:14,306 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 02:00:14,307 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 02:00:14,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 02:00:14,416 INFO L93 Difference]: Finished difference Result 130 states and 149 transitions. [2025-02-08 02:00:14,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 02:00:14,416 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 02:00:14,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 02:00:14,417 INFO L225 Difference]: With dead ends: 130 [2025-02-08 02:00:14,417 INFO L226 Difference]: Without dead ends: 127 [2025-02-08 02:00:14,418 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 02:00:14,418 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 02:00:14,418 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 02:00:14,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2025-02-08 02:00:14,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2025-02-08 02:00:14,423 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 02:00:14,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 146 transitions. [2025-02-08 02:00:14,426 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 146 transitions. Word has length 117 [2025-02-08 02:00:14,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 02:00:14,427 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 146 transitions. [2025-02-08 02:00:14,427 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 02:00:14,427 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 146 transitions. [2025-02-08 02:00:14,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2025-02-08 02:00:14,430 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 02:00:14,430 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 02:00:14,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-08 02:00:14,431 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 02:00:14,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 02:00:14,432 INFO L85 PathProgramCache]: Analyzing trace with hash -735782958, now seen corresponding path program 1 times [2025-02-08 02:00:14,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 02:00:14,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904105978] [2025-02-08 02:00:14,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 02:00:14,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 02:00:17,957 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 166 statements into 1 equivalence classes. [2025-02-08 02:00:18,051 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 166 of 166 statements. [2025-02-08 02:00:18,051 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 02:00:18,051 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 02:00:18,684 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 02:00:18,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 02:00:18,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904105978] [2025-02-08 02:00:18,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904105978] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 02:00:18,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 02:00:18,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 02:00:18,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543450080] [2025-02-08 02:00:18,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 02:00:18,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 02:00:18,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 02:00:18,686 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 02:00:18,686 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 02:00:18,686 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 02:00:18,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 02:00:18,926 INFO L93 Difference]: Finished difference Result 186 states and 217 transitions. [2025-02-08 02:00:18,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 02:00:18,928 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 02:00:18,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 02:00:18,930 INFO L225 Difference]: With dead ends: 186 [2025-02-08 02:00:18,930 INFO L226 Difference]: Without dead ends: 130 [2025-02-08 02:00:18,930 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 02:00:18,931 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 1 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 02:00:18,931 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 421 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 02:00:18,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2025-02-08 02:00:18,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 129. [2025-02-08 02:00:18,940 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 02:00:18,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 148 transitions. [2025-02-08 02:00:18,942 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 148 transitions. Word has length 166 [2025-02-08 02:00:18,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 02:00:18,943 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 148 transitions. [2025-02-08 02:00:18,943 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 02:00:18,943 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 148 transitions. [2025-02-08 02:00:18,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2025-02-08 02:00:18,944 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 02:00:18,945 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 02:00:18,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-08 02:00:18,945 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 02:00:18,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 02:00:18,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1007027377, now seen corresponding path program 1 times [2025-02-08 02:00:18,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 02:00:18,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6114119] [2025-02-08 02:00:18,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 02:00:18,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 02:00:22,617 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 166 statements into 1 equivalence classes. [2025-02-08 02:00:22,691 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 166 of 166 statements. [2025-02-08 02:00:22,691 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 02:00:22,691 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 02:00:23,868 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 02:00:23,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 02:00:23,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6114119] [2025-02-08 02:00:23,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6114119] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 02:00:23,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 02:00:23,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-08 02:00:23,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434253465] [2025-02-08 02:00:23,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 02:00:23,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 02:00:23,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 02:00:23,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 02:00:23,869 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-02-08 02:00:23,869 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 02:00:24,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 02:00:24,834 INFO L93 Difference]: Finished difference Result 193 states and 223 transitions. [2025-02-08 02:00:24,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 02:00:24,835 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 02:00:24,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 02:00:24,836 INFO L225 Difference]: With dead ends: 193 [2025-02-08 02:00:24,836 INFO L226 Difference]: Without dead ends: 130 [2025-02-08 02:00:24,837 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 02:00:24,837 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 02:00:24,837 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 02:00:24,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2025-02-08 02:00:24,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 127. [2025-02-08 02:00:24,842 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 02:00:24,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 145 transitions. [2025-02-08 02:00:24,843 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 145 transitions. Word has length 166 [2025-02-08 02:00:24,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 02:00:24,844 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 145 transitions. [2025-02-08 02:00:24,844 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 02:00:24,844 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 145 transitions. [2025-02-08 02:00:24,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2025-02-08 02:00:24,845 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 02:00:24,845 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 02:00:24,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-08 02:00:24,845 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 02:00:24,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 02:00:24,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1323441324, now seen corresponding path program 1 times [2025-02-08 02:00:24,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 02:00:24,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63808950] [2025-02-08 02:00:24,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 02:00:24,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 02:00:28,371 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-02-08 02:00:28,574 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-02-08 02:00:28,574 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 02:00:28,575 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat