./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 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', '30b65818a1a5f98b95f4d6debf739e0d8660272b87140bdcdb24cc42ca73261b'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 30b65818a1a5f98b95f4d6debf739e0d8660272b87140bdcdb24cc42ca73261b --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 12:01:59,193 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 12:01:59,251 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 12:01:59,256 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 12:01:59,256 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 12:01:59,275 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 12:01:59,276 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 12:01:59,276 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 12:01:59,277 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 12:01:59,277 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 12:01:59,277 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 12:01:59,277 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 12:01:59,277 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 12:01:59,277 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 12:01:59,277 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 12:01:59,277 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 12:01:59,277 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 12:01:59,277 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 12:01:59,277 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 12:01:59,277 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 12:01:59,277 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 12:01:59,278 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 12:01:59,278 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 12:01:59,278 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 12:01:59,278 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 12:01:59,278 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 12:01:59,278 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 12:01:59,278 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 12:01:59,278 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 12:01:59,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 12:01:59,278 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 12:01:59,278 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 12:01:59,278 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 12:01:59,278 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 12:01:59,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 12:01:59,278 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 12:01:59,278 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 12:01:59,278 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 12:01:59,279 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 12:01:59,279 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30b65818a1a5f98b95f4d6debf739e0d8660272b87140bdcdb24cc42ca73261b [2024-11-07 12:01:59,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 12:01:59,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 12:01:59,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 12:01:59,524 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 12:01:59,524 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 12:01:59,526 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i [2024-11-07 12:02:00,739 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 12:02:01,211 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 12:02:01,213 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i [2024-11-07 12:02:01,253 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/058d3c9aa/aafc376ac5924904a3d3f1e22a89e2f2/FLAGb64b9195c [2024-11-07 12:02:01,267 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/058d3c9aa/aafc376ac5924904a3d3f1e22a89e2f2 [2024-11-07 12:02:01,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 12:02:01,272 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 12:02:01,273 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 12:02:01,273 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 12:02:01,276 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 12:02:01,277 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:02:01" (1/1) ... [2024-11-07 12:02:01,277 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@288365b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:01, skipping insertion in model container [2024-11-07 12:02:01,278 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:02:01" (1/1) ... [2024-11-07 12:02:01,349 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 12:02:01,528 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i[4503,4516] [2024-11-07 12:02:01,538 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i[4563,4576] [2024-11-07 12:02:02,022 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:02,022 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:02,022 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:02,023 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:02,025 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:02,034 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:02,034 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:02,035 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:02,035 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:02,418 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:02,418 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:02,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 12:02:02,532 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 12:02:02,542 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i[4503,4516] [2024-11-07 12:02:02,545 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i[4563,4576] [2024-11-07 12:02:02,590 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:02,591 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:02,591 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:02,591 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:02,591 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:02,598 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:02,598 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:02,600 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:02,600 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:02,731 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-11-07 12:02:02,733 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:02,734 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:02,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8957-8968] [2024-11-07 12:02:02,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 12:02:02,950 INFO L204 MainTranslator]: Completed translation [2024-11-07 12:02:02,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:02 WrapperNode [2024-11-07 12:02:02,952 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 12:02:02,952 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 12:02:02,952 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 12:02:02,953 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 12:02:02,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:02" (1/1) ... [2024-11-07 12:02:03,030 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:02" (1/1) ... [2024-11-07 12:02:03,104 INFO L138 Inliner]: procedures = 684, calls = 2931, calls flagged for inlining = 60, calls inlined = 11, statements flattened = 1229 [2024-11-07 12:02:03,105 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 12:02:03,107 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 12:02:03,107 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 12:02:03,107 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 12:02:03,115 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:02" (1/1) ... [2024-11-07 12:02:03,115 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:02" (1/1) ... [2024-11-07 12:02:03,122 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:02" (1/1) ... [2024-11-07 12:02:03,215 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]. [2024-11-07 12:02:03,217 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:02" (1/1) ... [2024-11-07 12:02:03,217 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:02" (1/1) ... [2024-11-07 12:02:03,247 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:02" (1/1) ... [2024-11-07 12:02:03,255 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:02" (1/1) ... [2024-11-07 12:02:03,266 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:02" (1/1) ... [2024-11-07 12:02:03,274 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:02" (1/1) ... [2024-11-07 12:02:03,289 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 12:02:03,292 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 12:02:03,292 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 12:02:03,292 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 12:02:03,293 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:02" (1/1) ... [2024-11-07 12:02:03,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 12:02:03,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:02:03,322 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 12:02:03,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 12:02:03,343 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-07 12:02:03,343 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-07 12:02:03,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 12:02:03,343 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 12:02:03,344 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 12:02:03,344 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-11-07 12:02:03,344 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-11-07 12:02:03,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 12:02:03,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 12:02:03,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 12:02:03,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 12:02:03,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 12:02:03,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 12:02:03,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 12:02:03,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 12:02:03,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 12:02:03,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 12:02:03,344 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-07 12:02:03,345 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-07 12:02:03,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 12:02:03,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 12:02:03,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 12:02:03,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 12:02:03,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 12:02:03,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 12:02:03,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 12:02:03,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 12:02:03,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 12:02:03,345 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-11-07 12:02:03,345 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-11-07 12:02:03,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 12:02:03,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 12:02:03,345 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 12:02:03,345 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 12:02:03,345 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-07 12:02:03,345 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-07 12:02:03,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 12:02:03,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 12:02:03,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 12:02:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 12:02:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 12:02:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-11-07 12:02:03,346 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-11-07 12:02:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 12:02:03,346 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 12:02:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2024-11-07 12:02:03,346 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2024-11-07 12:02:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 12:02:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 12:02:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 12:02:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 12:02:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 12:02:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 12:02:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 12:02:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 12:02:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 12:02:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 12:02:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 12:02:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-11-07 12:02:03,346 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-11-07 12:02:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2024-11-07 12:02:03,346 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2024-11-07 12:02:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-07 12:02:03,346 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-07 12:02:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2024-11-07 12:02:03,346 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2024-11-07 12:02:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2024-11-07 12:02:03,346 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2024-11-07 12:02:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-07 12:02:03,346 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-07 12:02:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 12:02:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 12:02:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 12:02:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 12:02:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 12:02:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-11-07 12:02:03,346 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-11-07 12:02:03,347 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-11-07 12:02:03,347 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-11-07 12:02:03,347 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2024-11-07 12:02:03,347 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2024-11-07 12:02:03,347 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-11-07 12:02:03,347 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-11-07 12:02:03,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 12:02:03,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 12:02:03,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 12:02:03,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 12:02:03,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 12:02:03,638 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 12:02:03,640 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 12:02:12,759 INFO L? ?]: Removed 227 outVars from TransFormulas that were not future-live. [2024-11-07 12:02:12,759 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 12:02:12,781 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 12:02:12,781 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-07 12:02:12,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:02:12 BoogieIcfgContainer [2024-11-07 12:02:12,782 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 12:02:12,784 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 12:02:12,784 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 12:02:12,788 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 12:02:12,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:02:01" (1/3) ... [2024-11-07 12:02:12,789 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba43853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:02:12, skipping insertion in model container [2024-11-07 12:02:12,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:02" (2/3) ... [2024-11-07 12:02:12,789 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba43853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:02:12, skipping insertion in model container [2024-11-07 12:02:12,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:02:12" (3/3) ... [2024-11-07 12:02:12,791 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_up_to_harness_negated.i [2024-11-07 12:02:12,802 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 12:02:12,803 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-07 12:02:12,859 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 12:02:12,869 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;@4111b99e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 12:02:12,870 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-07 12:02:12,877 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) [2024-11-07 12:02:12,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-07 12:02:12,885 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:02:12,885 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] [2024-11-07 12:02:12,886 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)] === [2024-11-07 12:02:12,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:02:12,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1254000177, now seen corresponding path program 1 times [2024-11-07 12:02:12,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:02:12,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435907551] [2024-11-07 12:02:12,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:02:12,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:03:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:21,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 12:03:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:21,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 12:03:21,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:21,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 12:03:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:21,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:03:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:21,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 12:03:21,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:21,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 12:03:21,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:22,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 12:03:22,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:22,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:03:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:22,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 12:03:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:22,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 12:03:22,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:22,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 12:03:22,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:22,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-07 12:03:22,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:22,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 12:03:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:22,086 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-07 12:03:22,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:03:22,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435907551] [2024-11-07 12:03:22,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435907551] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:03:22,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:03:22,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 12:03:22,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965882531] [2024-11-07 12:03:22,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:03:22,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 12:03:22,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:03:22,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 12:03:22,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 12:03:22,111 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) [2024-11-07 12:03:26,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:03:31,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:03:31,230 INFO L93 Difference]: Finished difference Result 833 states and 1316 transitions. [2024-11-07 12:03:31,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 12:03:31,236 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 [2024-11-07 12:03:31,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:03:31,245 INFO L225 Difference]: With dead ends: 833 [2024-11-07 12:03:31,245 INFO L226 Difference]: Without dead ends: 420 [2024-11-07 12:03:31,251 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 [2024-11-07 12:03:31,253 INFO L432 NwaCegarLoop]: 443 mSDtfsCounter, 144 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 144 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s 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, 8.9s IncrementalHoareTripleChecker+Time [2024-11-07 12:03:31,253 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 598 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 302 Invalid, 1 Unknown, 0 Unchecked, 8.9s Time] [2024-11-07 12:03:31,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-11-07 12:03:31,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 420. [2024-11-07 12:03:31,331 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) [2024-11-07 12:03:31,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 598 transitions. [2024-11-07 12:03:31,343 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 598 transitions. Word has length 76 [2024-11-07 12:03:31,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:03:31,346 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 598 transitions. [2024-11-07 12:03:31,347 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) [2024-11-07 12:03:31,347 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 598 transitions. [2024-11-07 12:03:31,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-07 12:03:31,349 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:03:31,349 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] [2024-11-07 12:03:31,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 12:03:31,350 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)] === [2024-11-07 12:03:31,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:03:31,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1070793293, now seen corresponding path program 1 times [2024-11-07 12:03:31,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:03:31,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615567523] [2024-11-07 12:03:31,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:03:31,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms