./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.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_release_harness.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', '772b15d8153190f847bc1df122e04df0adc1c78736cf51ee691c4d43e8a4ef80'] 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_release_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 772b15d8153190f847bc1df122e04df0adc1c78736cf51ee691c4d43e8a4ef80 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 12:02:07,133 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 12:02:07,236 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 12:02:07,240 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 12:02:07,241 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 12:02:07,270 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 12:02:07,271 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 12:02:07,271 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 12:02:07,272 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 12:02:07,272 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 12:02:07,272 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 12:02:07,273 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 12:02:07,273 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 12:02:07,273 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 12:02:07,273 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 12:02:07,273 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 12:02:07,273 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 12:02:07,273 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 12:02:07,273 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 12:02:07,274 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 12:02:07,274 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 12:02:07,274 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 12:02:07,274 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 12:02:07,274 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 12:02:07,274 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 12:02:07,274 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 12:02:07,274 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 12:02:07,274 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 12:02:07,274 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 12:02:07,274 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 12:02:07,274 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 12:02:07,274 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 12:02:07,274 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 12:02:07,274 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 12:02:07,274 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 12:02:07,274 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 12:02:07,274 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 12:02:07,274 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 12:02:07,274 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 12:02:07,275 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 -> 772b15d8153190f847bc1df122e04df0adc1c78736cf51ee691c4d43e8a4ef80 [2024-11-07 12:02:07,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 12:02:07,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 12:02:07,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 12:02:07,566 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 12:02:07,567 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 12:02:07,567 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i [2024-11-07 12:02:09,005 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 12:02:09,481 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 12:02:09,481 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i [2024-11-07 12:02:09,511 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/672cbaf12/9d757e03eeaa46c5abaf7ad2010e5b3c/FLAGbe38e1ac0 [2024-11-07 12:02:09,525 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/672cbaf12/9d757e03eeaa46c5abaf7ad2010e5b3c [2024-11-07 12:02:09,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 12:02:09,528 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 12:02:09,533 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 12:02:09,533 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 12:02:09,542 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 12:02:09,547 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:02:09" (1/1) ... [2024-11-07 12:02:09,548 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a6fda1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:09, skipping insertion in model container [2024-11-07 12:02:09,548 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:02:09" (1/1) ... [2024-11-07 12:02:09,703 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 12:02:09,925 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_release_harness.i[4497,4510] [2024-11-07 12:02:09,939 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_release_harness.i[4557,4570] [2024-11-07 12:02:11,518 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:11,519 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:11,519 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:11,519 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:11,520 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:11,559 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:11,559 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:11,561 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:11,568 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:12,205 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:12,205 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:12,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 12:02:12,356 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 12:02:12,370 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_release_harness.i[4497,4510] [2024-11-07 12:02:12,372 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_release_harness.i[4557,4570] [2024-11-07 12:02:12,412 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:12,412 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:12,413 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:12,416 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:12,417 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:12,420 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:12,424 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:12,425 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:12,425 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:12,593 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-07 12:02:12,594 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:12,595 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:02:12,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8995-9006] [2024-11-07 12:02:12,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 12:02:12,845 INFO L204 MainTranslator]: Completed translation [2024-11-07 12:02:12,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:12 WrapperNode [2024-11-07 12:02:12,846 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 12:02:12,847 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 12:02:12,848 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 12:02:12,848 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 12:02:12,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:12" (1/1) ... [2024-11-07 12:02:12,915 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:12" (1/1) ... [2024-11-07 12:02:12,995 INFO L138 Inliner]: procedures = 684, calls = 2948, calls flagged for inlining = 59, calls inlined = 9, statements flattened = 1031 [2024-11-07 12:02:12,996 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 12:02:12,996 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 12:02:12,997 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 12:02:12,997 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 12:02:13,004 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:12" (1/1) ... [2024-11-07 12:02:13,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:12" (1/1) ... [2024-11-07 12:02:13,023 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:12" (1/1) ... [2024-11-07 12:02:13,117 INFO L175 MemorySlicer]: Split 593 memory accesses to 6 slices as follows [257, 2, 243, 49, 6, 36]. 43 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [0, 2, 11, 10, 4, 4]. The 496 writes are split as follows [257, 0, 232, 4, 0, 3]. [2024-11-07 12:02:13,118 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:12" (1/1) ... [2024-11-07 12:02:13,118 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:12" (1/1) ... [2024-11-07 12:02:13,182 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:12" (1/1) ... [2024-11-07 12:02:13,188 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:12" (1/1) ... [2024-11-07 12:02:13,208 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:12" (1/1) ... [2024-11-07 12:02:13,221 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:12" (1/1) ... [2024-11-07 12:02:13,235 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 12:02:13,239 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 12:02:13,240 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 12:02:13,240 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 12:02:13,241 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:12" (1/1) ... [2024-11-07 12:02:13,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 12:02:13,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:02:13,280 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 12:02:13,292 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 12:02:13,314 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-07 12:02:13,314 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-07 12:02:13,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 12:02:13,315 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 12:02:13,315 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 12:02:13,315 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-11-07 12:02:13,315 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-11-07 12:02:13,315 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2024-11-07 12:02:13,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2024-11-07 12:02:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 12:02:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 12:02:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 12:02:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 12:02:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 12:02:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 12:02:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 12:02:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 12:02:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 12:02:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 12:02:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 12:02:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 12:02:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure is_empty_state [2024-11-07 12:02:13,316 INFO L138 BoogieDeclarations]: Found implementation of procedure is_empty_state [2024-11-07 12:02:13,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 12:02:13,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 12:02:13,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 12:02:13,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 12:02:13,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 12:02:13,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 12:02:13,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 12:02:13,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 12:02:13,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 12:02:13,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 12:02:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-11-07 12:02:13,319 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-11-07 12:02:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 12:02:13,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 12:02:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 12:02:13,319 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 12:02:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-07 12:02:13,319 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-07 12:02:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 12:02:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 12:02:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 12:02:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 12:02:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 12:02:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 12:02:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-11-07 12:02:13,319 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-11-07 12:02:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-07 12:02:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-07 12:02:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-07 12:02:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-07 12:02:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-07 12:02:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-07 12:02:13,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-07 12:02:13,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-07 12:02:13,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-07 12:02:13,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-07 12:02:13,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-07 12:02:13,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-07 12:02:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 12:02:13,319 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 12:02:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 12:02:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 12:02:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 12:02:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 12:02:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 12:02:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 12:02:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 12:02:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 12:02:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 12:02:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 12:02:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 12:02:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 12:02:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 12:02:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-11-07 12:02:13,320 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-11-07 12:02:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-07 12:02:13,320 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-07 12:02:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2024-11-07 12:02:13,320 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2024-11-07 12:02:13,320 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2024-11-07 12:02:13,322 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2024-11-07 12:02:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-07 12:02:13,322 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-07 12:02:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-11-07 12:02:13,322 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-11-07 12:02:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-11-07 12:02:13,322 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-11-07 12:02:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2024-11-07 12:02:13,322 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2024-11-07 12:02:13,322 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-11-07 12:02:13,322 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-11-07 12:02:13,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 12:02:13,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 12:02:13,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 12:02:13,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 12:02:13,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 12:02:13,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 12:02:13,653 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 12:02:13,656 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 12:02:22,511 INFO L? ?]: Removed 218 outVars from TransFormulas that were not future-live. [2024-11-07 12:02:22,512 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 12:02:22,531 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 12:02:22,531 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-07 12:02:22,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:02:22 BoogieIcfgContainer [2024-11-07 12:02:22,532 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 12:02:22,534 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 12:02:22,534 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 12:02:22,537 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 12:02:22,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:02:09" (1/3) ... [2024-11-07 12:02:22,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@178aa10b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:02:22, skipping insertion in model container [2024-11-07 12:02:22,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:02:12" (2/3) ... [2024-11-07 12:02:22,539 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@178aa10b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:02:22, skipping insertion in model container [2024-11-07 12:02:22,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:02:22" (3/3) ... [2024-11-07 12:02:22,539 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_release_harness.i [2024-11-07 12:02:22,550 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 12:02:22,550 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-07 12:02:22,620 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 12:02:22,636 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;@29f6d282, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 12:02:22,636 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-07 12:02:22,644 INFO L276 IsEmpty]: Start isEmpty. Operand has 319 states, 204 states have (on average 1.2352941176470589) internal successors, (252), 208 states have internal predecessors, (252), 90 states have call successors, (90), 21 states have call predecessors, (90), 21 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-07 12:02:22,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-07 12:02:22,668 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:02:22,672 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-07 12:02:22,677 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 12:02:22,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:02:22,692 INFO L85 PathProgramCache]: Analyzing trace with hash -467156879, now seen corresponding path program 1 times [2024-11-07 12:02:22,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:02:22,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954297766] [2024-11-07 12:02:22,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:02:22,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:03:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:35,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 12:03:35,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:35,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 12:03:35,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:35,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 12:03:35,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:35,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:03:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:35,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 12:03:35,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:35,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 12:03:35,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:35,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 12:03:35,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:35,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 12:03:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:35,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 12:03:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:35,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 12:03:35,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:35,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-07 12:03:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:35,669 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 12:03:35,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:03:35,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954297766] [2024-11-07 12:03:35,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954297766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:03:35,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:03:35,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 12:03:35,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096773160] [2024-11-07 12:03:35,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:03:35,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 12:03:35,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:03:35,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 12:03:35,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 12:03:35,694 INFO L87 Difference]: Start difference. First operand has 319 states, 204 states have (on average 1.2352941176470589) internal successors, (252), 208 states have internal predecessors, (252), 90 states have call successors, (90), 21 states have call predecessors, (90), 21 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-07 12:03:39,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:03:44,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:03:44,291 INFO L93 Difference]: Finished difference Result 621 states and 915 transitions. [2024-11-07 12:03:44,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 12:03:44,294 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 66 [2024-11-07 12:03:44,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:03:44,301 INFO L225 Difference]: With dead ends: 621 [2024-11-07 12:03:44,301 INFO L226 Difference]: Without dead ends: 313 [2024-11-07 12:03:44,305 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 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 12:03:44,307 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 162 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 70 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2024-11-07 12:03:44,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 334 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 256 Invalid, 1 Unknown, 0 Unchecked, 8.4s Time] [2024-11-07 12:03:44,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-11-07 12:03:44,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 313. [2024-11-07 12:03:44,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 198 states have (on average 1.202020202020202) internal successors, (238), 203 states have internal predecessors, (238), 90 states have call successors, (90), 21 states have call predecessors, (90), 21 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2024-11-07 12:03:44,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 417 transitions. [2024-11-07 12:03:44,354 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 417 transitions. Word has length 66 [2024-11-07 12:03:44,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:03:44,355 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 417 transitions. [2024-11-07 12:03:44,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-07 12:03:44,355 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 417 transitions. [2024-11-07 12:03:44,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-07 12:03:44,357 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:03:44,357 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-07 12:03:44,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 12:03:44,357 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 12:03:44,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:03:44,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1857636591, now seen corresponding path program 1 times [2024-11-07 12:03:44,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:03:44,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828110500] [2024-11-07 12:03:44,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:03:44,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms