./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 30b65818a1a5f98b95f4d6debf739e0d8660272b87140bdcdb24cc42ca73261b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 11:06:10,318 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 11:06:10,384 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 11:06:10,389 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 11:06:10,391 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 11:06:10,413 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 11:06:10,415 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 11:06:10,415 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 11:06:10,415 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 11:06:10,416 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 11:06:10,417 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 11:06:10,417 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 11:06:10,418 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 11:06:10,418 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 11:06:10,418 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 11:06:10,420 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 11:06:10,420 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 11:06:10,420 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 11:06:10,421 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 11:06:10,421 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 11:06:10,423 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 11:06:10,424 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 11:06:10,424 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 11:06:10,424 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 11:06:10,425 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 11:06:10,425 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 11:06:10,425 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 11:06:10,425 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 11:06:10,425 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 11:06:10,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 11:06:10,426 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 11:06:10,426 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 11:06:10,426 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 11:06:10,426 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 11:06:10,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 11:06:10,427 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 11:06:10,427 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 11:06:10,427 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 11:06:10,427 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 11:06:10,427 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30b65818a1a5f98b95f4d6debf739e0d8660272b87140bdcdb24cc42ca73261b [2024-11-10 11:06:10,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 11:06:10,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 11:06:10,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 11:06:10,642 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 11:06:10,643 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 11:06:10,645 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i [2024-11-10 11:06:12,214 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 11:06:12,854 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 11:06:12,854 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i [2024-11-10 11:06:12,881 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53da2d204/0f8b0c90ff8e42d787782cf62106a2e2/FLAG6d8b05bed [2024-11-10 11:06:12,895 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53da2d204/0f8b0c90ff8e42d787782cf62106a2e2 [2024-11-10 11:06:12,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 11:06:12,899 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 11:06:12,900 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 11:06:12,900 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 11:06:12,905 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 11:06:12,906 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:06:12" (1/1) ... [2024-11-10 11:06:12,907 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38952ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:06:12, skipping insertion in model container [2024-11-10 11:06:12,908 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:06:12" (1/1) ... [2024-11-10 11:06:13,045 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 11:06:13,327 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i[4503,4516] [2024-11-10 11:06:13,336 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i[4563,4576] [2024-11-10 11:06:13,899 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:13,900 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:13,900 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:13,901 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:13,902 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:13,911 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:13,912 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:13,913 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:13,914 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:14,647 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:14,648 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:14,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 11:06:14,800 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 11:06:14,813 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i[4503,4516] [2024-11-10 11:06:14,815 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i[4563,4576] [2024-11-10 11:06:14,846 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:14,847 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:14,847 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:14,847 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:14,848 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:14,854 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:14,855 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:14,856 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:14,856 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:14,966 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-11-10 11:06:14,968 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:14,968 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:06:14,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8957-8968] [2024-11-10 11:06:15,012 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 11:06:15,334 INFO L204 MainTranslator]: Completed translation [2024-11-10 11:06:15,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:06:15 WrapperNode [2024-11-10 11:06:15,334 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 11:06:15,335 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 11:06:15,336 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 11:06:15,336 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 11:06:15,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:06:15" (1/1) ... [2024-11-10 11:06:15,434 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:06:15" (1/1) ... [2024-11-10 11:06:15,510 INFO L138 Inliner]: procedures = 684, calls = 2931, calls flagged for inlining = 60, calls inlined = 11, statements flattened = 1229 [2024-11-10 11:06:15,510 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 11:06:15,511 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 11:06:15,511 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 11:06:15,511 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 11:06:15,521 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:06:15" (1/1) ... [2024-11-10 11:06:15,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:06:15" (1/1) ... [2024-11-10 11:06:15,537 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:06:15" (1/1) ... [2024-11-10 11:06:15,620 INFO L175 MemorySlicer]: Split 624 memory accesses to 5 slices as follows [257, 2, 68, 54, 243]. 41 percent of accesses are in the largest equivalence class. The 27 initializations are split as follows [0, 2, 10, 4, 11]. The 523 writes are split as follows [257, 0, 4, 30, 232]. [2024-11-10 11:06:15,620 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:06:15" (1/1) ... [2024-11-10 11:06:15,620 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:06:15" (1/1) ... [2024-11-10 11:06:15,765 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:06:15" (1/1) ... [2024-11-10 11:06:15,772 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:06:15" (1/1) ... [2024-11-10 11:06:15,787 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:06:15" (1/1) ... [2024-11-10 11:06:15,797 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:06:15" (1/1) ... [2024-11-10 11:06:15,817 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 11:06:15,818 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 11:06:15,819 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 11:06:15,819 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 11:06:15,820 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:06:15" (1/1) ... [2024-11-10 11:06:15,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 11:06:15,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 11:06:15,851 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 11:06:15,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 11:06:15,896 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-10 11:06:15,897 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-10 11:06:15,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 11:06:15,897 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-10 11:06:15,898 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-10 11:06:15,898 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-11-10 11:06:15,899 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-11-10 11:06:15,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 11:06:15,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 11:06:15,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 11:06:15,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 11:06:15,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-10 11:06:15,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 11:06:15,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 11:06:15,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 11:06:15,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 11:06:15,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 11:06:15,900 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-10 11:06:15,900 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-10 11:06:15,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 11:06:15,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 11:06:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 11:06:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 11:06:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 11:06:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 11:06:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 11:06:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 11:06:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 11:06:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-11-10 11:06:15,901 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-11-10 11:06:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 11:06:15,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 11:06:15,902 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-10 11:06:15,902 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-10 11:06:15,902 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-10 11:06:15,902 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-10 11:06:15,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 11:06:15,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 11:06:15,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 11:06:15,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 11:06:15,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 11:06:15,902 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-11-10 11:06:15,903 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-11-10 11:06:15,903 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 11:06:15,903 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 11:06:15,903 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2024-11-10 11:06:15,903 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2024-11-10 11:06:15,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 11:06:15,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 11:06:15,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 11:06:15,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 11:06:15,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 11:06:15,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-10 11:06:15,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 11:06:15,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 11:06:15,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 11:06:15,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 11:06:15,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 11:06:15,905 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-11-10 11:06:15,905 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-11-10 11:06:15,905 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2024-11-10 11:06:15,905 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2024-11-10 11:06:15,905 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-10 11:06:15,905 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-10 11:06:15,906 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2024-11-10 11:06:15,906 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2024-11-10 11:06:15,906 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2024-11-10 11:06:15,906 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2024-11-10 11:06:15,906 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-10 11:06:15,906 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-10 11:06:15,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 11:06:15,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 11:06:15,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 11:06:15,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 11:06:15,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 11:06:15,908 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-11-10 11:06:15,908 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-11-10 11:06:15,908 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-11-10 11:06:15,908 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-11-10 11:06:15,908 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2024-11-10 11:06:15,908 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2024-11-10 11:06:15,908 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-11-10 11:06:15,908 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-11-10 11:06:15,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 11:06:15,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 11:06:15,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 11:06:15,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 11:06:15,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 11:06:16,165 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 11:06:16,167 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 11:06:16,191 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-10 11:06:16,241 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8769: havoc #t~mem1324.base, #t~mem1324.offset;havoc #t~mem1325.base, #t~mem1325.offset;havoc #t~short1326;havoc #t~mem1327.base, #t~mem1327.offset;havoc #t~short1328;havoc #t~mem1329.base, #t~mem1329.offset;havoc #t~mem1330.base, #t~mem1330.offset;havoc #t~short1331;havoc #t~mem1332.base, #t~mem1332.offset;havoc #t~mem1333;havoc #t~mem1334.base, #t~mem1334.offset;havoc #t~short1335; [2024-11-10 11:06:16,247 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2024-11-10 11:06:16,248 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-10 11:06:16,292 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7345: havoc #t~mem678;havoc #t~mem679;havoc #t~short680;havoc #t~mem681.base, #t~mem681.offset;havoc #t~short682;havoc #t~mem683;havoc #t~mem684;havoc #t~mem685;havoc #t~short686;havoc #t~mem687;havoc #t~mem688.base, #t~mem688.offset;havoc #t~short689;havoc #t~short690;havoc #t~short691;havoc #t~short692; [2024-11-10 11:06:16,314 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: havoc #t~ret422;havoc #t~mem421.base, #t~mem421.offset; [2024-11-10 11:06:16,321 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-10 11:06:16,328 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6032: havoc #t~mem452.base, #t~mem452.offset;havoc #t~mem453.base, #t~mem453.offset;havoc #t~short454; [2024-11-10 11:06:16,337 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L9182: havoc #t~mem1357.base, #t~mem1357.offset; [2024-11-10 11:06:16,348 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5612: havoc #t~ret408.base, #t~ret408.offset; [2024-11-10 11:06:16,374 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6065: havoc #t~mem464.base, #t~mem464.offset;havoc #t~mem465.base, #t~mem465.offset;havoc #t~mem466.base, #t~mem466.offset;havoc #t~short467;havoc #t~short468;havoc #t~mem469.base, #t~mem469.offset;havoc #t~short470; [2024-11-10 11:06:16,393 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8199: havoc #t~mem1063;havoc #t~mem1064.base, #t~mem1064.offset;havoc #t~mem1065;havoc #t~mem1066.base, #t~mem1066.offset;call ULTIMATE.dealloc(~#buf~2.base, ~#buf~2.offset);havoc ~#buf~2.base, ~#buf~2.offset; [2024-11-10 11:06:16,400 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L9193: havoc #t~mem1360.base, #t~mem1360.offset; [2024-11-10 11:06:23,597 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8759: havoc aws_ring_buffer_acquire_up_to_#t~ret1323#1; [2024-11-10 11:06:23,597 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8680: havoc aws_ring_buffer_acquire_up_to_~ring_space~1#1, aws_ring_buffer_acquire_up_to_~allocation_size~1#1; [2024-11-10 11:06:23,597 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8671: havoc aws_ring_buffer_acquire_up_to_#t~ret1273#1; [2024-11-10 11:06:23,597 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8688: havoc aws_ring_buffer_acquire_up_to_#t~ret1282#1; [2024-11-10 11:06:23,777 INFO L? ?]: Removed 227 outVars from TransFormulas that were not future-live. [2024-11-10 11:06:23,777 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 11:06:23,819 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 11:06:23,819 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 11:06:23,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:06:23 BoogieIcfgContainer [2024-11-10 11:06:23,820 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 11:06:23,822 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 11:06:23,823 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 11:06:23,825 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 11:06:23,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:06:12" (1/3) ... [2024-11-10 11:06:23,826 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@398e6a47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:06:23, skipping insertion in model container [2024-11-10 11:06:23,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:06:15" (2/3) ... [2024-11-10 11:06:23,827 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@398e6a47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:06:23, skipping insertion in model container [2024-11-10 11:06:23,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:06:23" (3/3) ... [2024-11-10 11:06:23,828 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_up_to_harness_negated.i [2024-11-10 11:06:23,842 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 11:06:23,843 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-10 11:06:23,909 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 11:06:23,917 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;@6d1fb92c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 11:06:23,918 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-10 11:06:23,924 INFO L276 IsEmpty]: Start isEmpty. Operand has 431 states, 246 states have (on average 1.2113821138211383) internal successors, (298), 250 states have internal predecessors, (298), 159 states have call successors, (159), 21 states have call predecessors, (159), 21 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2024-11-10 11:06:23,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-10 11:06:23,934 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 11:06:23,934 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 11:06:23,935 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2024-11-10 11:06:23,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 11:06:23,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1628494696, now seen corresponding path program 1 times [2024-11-10 11:06:23,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 11:06:23,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856970307] [2024-11-10 11:06:23,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:06:23,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 11:07:42,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:43,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 11:07:43,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:43,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 11:07:43,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:43,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 11:07:43,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:43,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 11:07:43,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:43,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 11:07:43,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:43,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 11:07:43,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:43,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 11:07:43,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:43,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:07:43,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:43,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 11:07:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:43,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 11:07:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:43,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-10 11:07:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:43,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-10 11:07:43,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:43,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 11:07:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:43,619 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-10 11:07:43,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 11:07:43,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856970307] [2024-11-10 11:07:43,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856970307] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 11:07:43,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 11:07:43,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 11:07:43,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335315681] [2024-11-10 11:07:43,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 11:07:43,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 11:07:43,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 11:07:43,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 11:07:43,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 11:07:43,670 INFO L87 Difference]: Start difference. First operand has 431 states, 246 states have (on average 1.2113821138211383) internal successors, (298), 250 states have internal predecessors, (298), 159 states have call successors, (159), 21 states have call predecessors, (159), 21 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-10 11:07:47,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 11:07:52,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 11:07:52,589 INFO L93 Difference]: Finished difference Result 842 states and 1325 transitions. [2024-11-10 11:07:52,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 11:07:52,594 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 77 [2024-11-10 11:07:52,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 11:07:52,620 INFO L225 Difference]: With dead ends: 842 [2024-11-10 11:07:52,620 INFO L226 Difference]: Without dead ends: 424 [2024-11-10 11:07:52,638 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 11:07:52,644 INFO L432 NwaCegarLoop]: 445 mSDtfsCounter, 146 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 144 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2024-11-10 11:07:52,645 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 602 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 304 Invalid, 1 Unknown, 0 Unchecked, 8.7s Time] [2024-11-10 11:07:52,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2024-11-10 11:07:52,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 424. [2024-11-10 11:07:52,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 240 states have (on average 1.1875) internal successors, (285), 244 states have internal predecessors, (285), 159 states have call successors, (159), 21 states have call predecessors, (159), 21 states have return successors, (158), 158 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-10 11:07:52,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 602 transitions. [2024-11-10 11:07:52,774 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 602 transitions. Word has length 77 [2024-11-10 11:07:52,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 11:07:52,777 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 602 transitions. [2024-11-10 11:07:52,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-10 11:07:52,778 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 602 transitions. [2024-11-10 11:07:52,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-10 11:07:52,781 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 11:07:52,782 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 11:07:52,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 11:07:52,782 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2024-11-10 11:07:52,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 11:07:52,783 INFO L85 PathProgramCache]: Analyzing trace with hash -991912183, now seen corresponding path program 1 times [2024-11-10 11:07:52,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 11:07:52,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675451311] [2024-11-10 11:07:52,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:07:52,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms