./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_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-wip.dd.update-z3-fca748b-m [2024-11-20 10:15:04,809 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 10:15:04,870 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 10:15:04,877 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 10:15:04,879 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 10:15:04,902 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 10:15:04,903 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 10:15:04,904 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 10:15:04,905 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 10:15:04,905 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 10:15:04,906 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 10:15:04,906 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 10:15:04,906 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 10:15:04,907 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 10:15:04,907 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 10:15:04,909 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 10:15:04,909 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 10:15:04,909 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 10:15:04,909 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 10:15:04,909 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 10:15:04,910 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 10:15:04,910 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 10:15:04,911 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 10:15:04,911 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 10:15:04,911 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 10:15:04,912 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 10:15:04,912 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 10:15:04,912 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 10:15:04,912 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 10:15:04,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:15:04,913 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 10:15:04,913 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 10:15:04,913 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 10:15:04,914 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 10:15:04,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 10:15:04,914 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 10:15:04,914 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 10:15:04,914 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 10:15:04,914 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 10:15:04,915 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30b65818a1a5f98b95f4d6debf739e0d8660272b87140bdcdb24cc42ca73261b [2024-11-20 10:15:05,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 10:15:05,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 10:15:05,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 10:15:05,164 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 10:15:05,164 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 10:15:05,166 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i [2024-11-20 10:15:06,569 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 10:15:07,045 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 10:15:07,048 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i [2024-11-20 10:15:07,083 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4046875f/9d1164b4f46540d2972005f9e15d1ddb/FLAGb766f2ac5 [2024-11-20 10:15:07,097 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4046875f/9d1164b4f46540d2972005f9e15d1ddb [2024-11-20 10:15:07,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 10:15:07,102 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 10:15:07,103 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 10:15:07,103 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 10:15:07,107 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 10:15:07,108 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:15:07" (1/1) ... [2024-11-20 10:15:07,110 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dcb3564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:07, skipping insertion in model container [2024-11-20 10:15:07,110 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:15:07" (1/1) ... [2024-11-20 10:15:07,342 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 10:15:07,688 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] [2024-11-20 10:15:07,696 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] [2024-11-20 10:15:08,310 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:08,310 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:08,311 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:08,311 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:08,312 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:08,325 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:08,328 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:08,331 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:08,332 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:08,943 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:08,944 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:09,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:15:09,103 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 10:15:09,121 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] [2024-11-20 10:15:09,122 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] [2024-11-20 10:15:09,161 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:09,161 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:09,162 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:09,162 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:09,166 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:09,173 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:09,173 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:09,174 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:09,174 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:09,344 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-11-20 10:15:09,345 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:09,346 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:09,372 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8957-8968] [2024-11-20 10:15:09,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:15:09,602 INFO L204 MainTranslator]: Completed translation [2024-11-20 10:15:09,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:09 WrapperNode [2024-11-20 10:15:09,603 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 10:15:09,604 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 10:15:09,604 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 10:15:09,605 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 10:15:09,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:09" (1/1) ... [2024-11-20 10:15:09,697 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:09" (1/1) ... [2024-11-20 10:15:09,776 INFO L138 Inliner]: procedures = 684, calls = 2931, calls flagged for inlining = 60, calls inlined = 11, statements flattened = 1229 [2024-11-20 10:15:09,776 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 10:15:09,777 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 10:15:09,777 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 10:15:09,777 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 10:15:09,786 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:09" (1/1) ... [2024-11-20 10:15:09,787 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:09" (1/1) ... [2024-11-20 10:15:09,801 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:09" (1/1) ... [2024-11-20 10:15:09,897 INFO L175 MemorySlicer]: Split 624 memory accesses to 5 slices as follows [257, 2, 54, 243, 68]. 41 percent of accesses are in the largest equivalence class. The 27 initializations are split as follows [0, 2, 4, 11, 10]. The 523 writes are split as follows [257, 0, 30, 232, 4]. [2024-11-20 10:15:09,897 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:09" (1/1) ... [2024-11-20 10:15:09,897 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:09" (1/1) ... [2024-11-20 10:15:09,962 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:09" (1/1) ... [2024-11-20 10:15:09,966 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:09" (1/1) ... [2024-11-20 10:15:09,972 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:09" (1/1) ... [2024-11-20 10:15:09,977 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:09" (1/1) ... [2024-11-20 10:15:09,995 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 10:15:09,995 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 10:15:09,995 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 10:15:09,996 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 10:15:09,996 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:09" (1/1) ... [2024-11-20 10:15:10,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:15:10,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 10:15:10,024 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) [2024-11-20 10:15:10,033 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 [2024-11-20 10:15:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-20 10:15:10,071 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-20 10:15:10,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 10:15:10,071 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-20 10:15:10,072 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-20 10:15:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-11-20 10:15:10,072 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-11-20 10:15:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 10:15:10,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 10:15:10,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 10:15:10,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 10:15:10,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 10:15:10,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 10:15:10,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 10:15:10,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 10:15:10,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 10:15:10,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 10:15:10,074 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-20 10:15:10,074 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-20 10:15:10,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 10:15:10,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 10:15:10,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 10:15:10,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 10:15:10,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 10:15:10,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 10:15:10,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 10:15:10,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 10:15:10,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 10:15:10,075 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-11-20 10:15:10,075 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-11-20 10:15:10,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 10:15:10,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 10:15:10,076 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-20 10:15:10,076 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-20 10:15:10,076 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-20 10:15:10,076 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-20 10:15:10,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 10:15:10,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 10:15:10,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 10:15:10,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 10:15:10,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 10:15:10,076 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-11-20 10:15:10,076 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-11-20 10:15:10,077 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 10:15:10,077 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 10:15:10,077 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2024-11-20 10:15:10,077 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2024-11-20 10:15:10,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 10:15:10,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 10:15:10,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 10:15:10,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 10:15:10,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 10:15:10,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-20 10:15:10,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 10:15:10,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 10:15:10,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 10:15:10,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 10:15:10,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 10:15:10,079 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-11-20 10:15:10,079 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-11-20 10:15:10,079 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2024-11-20 10:15:10,079 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2024-11-20 10:15:10,079 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-20 10:15:10,079 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-20 10:15:10,079 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2024-11-20 10:15:10,079 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2024-11-20 10:15:10,080 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2024-11-20 10:15:10,080 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2024-11-20 10:15:10,080 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-20 10:15:10,080 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-20 10:15:10,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 10:15:10,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 10:15:10,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 10:15:10,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 10:15:10,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 10:15:10,080 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-11-20 10:15:10,080 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-11-20 10:15:10,080 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-11-20 10:15:10,080 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-11-20 10:15:10,080 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2024-11-20 10:15:10,080 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2024-11-20 10:15:10,080 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-11-20 10:15:10,080 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-11-20 10:15:10,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 10:15:10,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 10:15:10,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 10:15:10,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 10:15:10,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 10:15:10,407 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 10:15:10,410 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 10:15:19,802 INFO L? ?]: Removed 227 outVars from TransFormulas that were not future-live. [2024-11-20 10:15:19,802 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 10:15:19,818 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 10:15:19,818 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-20 10:15:19,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:15:19 BoogieIcfgContainer [2024-11-20 10:15:19,819 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 10:15:19,820 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 10:15:19,820 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 10:15:19,823 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 10:15:19,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:15:07" (1/3) ... [2024-11-20 10:15:19,823 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e64f617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:15:19, skipping insertion in model container [2024-11-20 10:15:19,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:09" (2/3) ... [2024-11-20 10:15:19,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e64f617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:15:19, skipping insertion in model container [2024-11-20 10:15:19,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:15:19" (3/3) ... [2024-11-20 10:15:19,825 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_up_to_harness_negated.i [2024-11-20 10:15:19,854 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 10:15:19,854 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-20 10:15:19,914 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 10:15:19,920 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;@1198a669, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 10:15:19,920 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-20 10:15:19,925 INFO L276 IsEmpty]: Start isEmpty. Operand has 426 states, 241 states have (on average 1.2157676348547717) internal successors, (293), 245 states have internal predecessors, (293), 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) [2024-11-20 10:15:19,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-20 10:15:19,932 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:15:19,932 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] [2024-11-20 10:15:19,933 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)] === [2024-11-20 10:15:19,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:15:19,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1254000177, now seen corresponding path program 1 times [2024-11-20 10:15:19,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:15:19,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209699010] [2024-11-20 10:15:19,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:15:19,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:16:36,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:37,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:16:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:37,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 10:16:37,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:37,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 10:16:37,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:37,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 10:16:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:37,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 10:16:37,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:37,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 10:16:37,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:37,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 10:16:37,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:37,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:16:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:37,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 10:16:37,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:37,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 10:16:37,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:37,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 10:16:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:37,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-20 10:16:37,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:37,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 10:16:37,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:37,631 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-20 10:16:37,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:16:37,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209699010] [2024-11-20 10:16:37,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209699010] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:16:37,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:16:37,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 10:16:37,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49500262] [2024-11-20 10:16:37,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:16:37,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 10:16:37,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:16:37,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 10:16:37,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 10:16:37,695 INFO L87 Difference]: Start difference. First operand has 426 states, 241 states have (on average 1.2157676348547717) internal successors, (293), 245 states have internal predecessors, (293), 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 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 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) [2024-11-20 10:16:41,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:16:46,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 10:16:46,347 INFO L93 Difference]: Finished difference Result 833 states and 1316 transitions. [2024-11-20 10:16:46,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 10:16:46,349 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 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 76 [2024-11-20 10:16:46,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 10:16:46,364 INFO L225 Difference]: With dead ends: 833 [2024-11-20 10:16:46,364 INFO L226 Difference]: Without dead ends: 420 [2024-11-20 10:16:46,375 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 [2024-11-20 10:16:46,380 INFO L432 NwaCegarLoop]: 443 mSDtfsCounter, 144 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 144 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2024-11-20 10:16:46,383 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 598 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 302 Invalid, 1 Unknown, 0 Unchecked, 8.5s Time] [2024-11-20 10:16:46,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-11-20 10:16:46,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 420. [2024-11-20 10:16:46,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 236 states have (on average 1.1906779661016949) internal successors, (281), 240 states have internal predecessors, (281), 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) [2024-11-20 10:16:46,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 598 transitions. [2024-11-20 10:16:46,473 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 598 transitions. Word has length 76 [2024-11-20 10:16:46,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 10:16:46,475 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 598 transitions. [2024-11-20 10:16:46,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 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) [2024-11-20 10:16:46,475 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 598 transitions. [2024-11-20 10:16:46,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-20 10:16:46,477 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:16:46,478 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] [2024-11-20 10:16:46,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 10:16:46,478 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)] === [2024-11-20 10:16:46,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:16:46,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1070793293, now seen corresponding path program 1 times [2024-11-20 10:16:46,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:16:46,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821963206] [2024-11-20 10:16:46,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:16:46,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms