./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5d24b296895bb1aad8d34c2d7efdb39aad00aa64487bccb479278d36c5a9a207 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 10:14:57,628 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 10:14:57,718 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 10:14:57,733 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 10:14:57,735 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 10:14:57,752 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 10:14:57,753 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 10:14:57,753 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 10:14:57,754 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 10:14:57,754 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 10:14:57,755 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 10:14:57,755 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 10:14:57,756 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 10:14:57,756 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 10:14:57,757 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 10:14:57,757 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 10:14:57,757 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 10:14:57,758 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 10:14:57,758 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 10:14:57,758 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 10:14:57,759 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 10:14:57,759 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 10:14:57,760 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 10:14:57,763 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 10:14:57,764 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 10:14:57,764 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 10:14:57,764 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 10:14:57,765 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 10:14:57,765 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 10:14:57,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:14:57,765 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 10:14:57,766 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 10:14:57,766 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 10:14:57,767 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 10:14:57,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 10:14:57,768 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 10:14:57,768 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 10:14:57,768 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 10:14:57,769 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 10:14:57,769 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d24b296895bb1aad8d34c2d7efdb39aad00aa64487bccb479278d36c5a9a207 [2024-11-20 10:14:58,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 10:14:58,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 10:14:58,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 10:14:58,074 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 10:14:58,075 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 10:14:58,077 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i [2024-11-20 10:14:59,557 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 10:15:00,072 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 10:15:00,073 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i [2024-11-20 10:15:00,116 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae058c300/0ce247b4e1b141d5be9a90c1b06de130/FLAG7169ec45e [2024-11-20 10:15:00,129 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae058c300/0ce247b4e1b141d5be9a90c1b06de130 [2024-11-20 10:15:00,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 10:15:00,133 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 10:15:00,134 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 10:15:00,134 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 10:15:00,144 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 10:15:00,145 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:15:00" (1/1) ... [2024-11-20 10:15:00,146 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40b55d2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:00, skipping insertion in model container [2024-11-20 10:15:00,146 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:15:00" (1/1) ... [2024-11-20 10:15:00,258 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 10:15:00,637 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i[4497,4510] [2024-11-20 10:15:00,649 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i[4557,4570] [2024-11-20 10:15:01,717 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:01,719 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:01,719 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:01,720 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:01,721 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:01,734 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:01,735 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:01,737 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:01,739 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:02,275 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:02,276 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:02,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:15:02,462 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 10:15:02,479 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i[4497,4510] [2024-11-20 10:15:02,480 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i[4557,4570] [2024-11-20 10:15:02,533 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:02,535 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:02,535 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:02,537 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:02,538 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:02,543 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:02,544 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:02,545 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:02,545 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:02,679 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-20 10:15:02,681 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:02,682 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:15:02,714 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8989-9000] [2024-11-20 10:15:02,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:15:03,014 INFO L204 MainTranslator]: Completed translation [2024-11-20 10:15:03,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:03 WrapperNode [2024-11-20 10:15:03,015 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 10:15:03,015 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 10:15:03,015 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 10:15:03,016 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 10:15:03,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:03" (1/1) ... [2024-11-20 10:15:03,107 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:03" (1/1) ... [2024-11-20 10:15:03,201 INFO L138 Inliner]: procedures = 684, calls = 2943, calls flagged for inlining = 61, calls inlined = 12, statements flattened = 1208 [2024-11-20 10:15:03,202 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 10:15:03,202 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 10:15:03,203 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 10:15:03,203 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 10:15:03,215 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:03" (1/1) ... [2024-11-20 10:15:03,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:03" (1/1) ... [2024-11-20 10:15:03,236 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:03" (1/1) ... [2024-11-20 10:15:03,400 INFO L175 MemorySlicer]: Split 617 memory accesses to 5 slices as follows [257, 2, 243, 68, 47]. 42 percent of accesses are in the largest equivalence class. The 27 initializations are split as follows [0, 2, 11, 10, 4]. The 515 writes are split as follows [257, 0, 232, 4, 22]. [2024-11-20 10:15:03,400 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:03" (1/1) ... [2024-11-20 10:15:03,400 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:03" (1/1) ... [2024-11-20 10:15:03,460 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:03" (1/1) ... [2024-11-20 10:15:03,465 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:03" (1/1) ... [2024-11-20 10:15:03,486 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:03" (1/1) ... [2024-11-20 10:15:03,493 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:03" (1/1) ... [2024-11-20 10:15:03,518 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 10:15:03,519 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 10:15:03,519 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 10:15:03,520 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 10:15:03,521 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:03" (1/1) ... [2024-11-20 10:15:03,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:15:03,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 10:15:03,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 10:15:03,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 10:15:03,609 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-20 10:15:03,611 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-20 10:15:03,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 10:15:03,611 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-20 10:15:03,611 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-20 10:15:03,612 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-11-20 10:15:03,612 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-11-20 10:15:03,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 10:15:03,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 10:15:03,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 10:15:03,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 10:15:03,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 10:15:03,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 10:15:03,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 10:15:03,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 10:15:03,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 10:15:03,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 10:15:03,613 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-20 10:15:03,614 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-20 10:15:03,614 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 10:15:03,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 10:15:03,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 10:15:03,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 10:15:03,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 10:15:03,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 10:15:03,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 10:15:03,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 10:15:03,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 10:15:03,615 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-11-20 10:15:03,615 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-11-20 10:15:03,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 10:15:03,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 10:15:03,615 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-20 10:15:03,615 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-20 10:15:03,615 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-20 10:15:03,616 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-20 10:15:03,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 10:15:03,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 10:15:03,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 10:15:03,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 10:15:03,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 10:15:03,617 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-11-20 10:15:03,617 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-11-20 10:15:03,618 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 10:15:03,618 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 10:15:03,618 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2024-11-20 10:15:03,618 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2024-11-20 10:15:03,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 10:15:03,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 10:15:03,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 10:15:03,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 10:15:03,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 10:15:03,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-20 10:15:03,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 10:15:03,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 10:15:03,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 10:15:03,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 10:15:03,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 10:15:03,619 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-11-20 10:15:03,619 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-11-20 10:15:03,619 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2024-11-20 10:15:03,619 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2024-11-20 10:15:03,619 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-20 10:15:03,619 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-20 10:15:03,619 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2024-11-20 10:15:03,619 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2024-11-20 10:15:03,619 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2024-11-20 10:15:03,619 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2024-11-20 10:15:03,619 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-20 10:15:03,620 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-20 10:15:03,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 10:15:03,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 10:15:03,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 10:15:03,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 10:15:03,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 10:15:03,620 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-11-20 10:15:03,620 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-11-20 10:15:03,621 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-11-20 10:15:03,621 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-11-20 10:15:03,621 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2024-11-20 10:15:03,622 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2024-11-20 10:15:03,622 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-11-20 10:15:03,622 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-11-20 10:15:03,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 10:15:03,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 10:15:03,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 10:15:03,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 10:15:03,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 10:15:04,020 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 10:15:04,023 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 10:15:14,046 INFO L? ?]: Removed 224 outVars from TransFormulas that were not future-live. [2024-11-20 10:15:14,047 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 10:15:14,070 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 10:15:14,070 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-20 10:15:14,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:15:14 BoogieIcfgContainer [2024-11-20 10:15:14,071 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 10:15:14,073 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 10:15:14,073 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 10:15:14,077 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 10:15:14,077 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:15:00" (1/3) ... [2024-11-20 10:15:14,078 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14d243c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:15:14, skipping insertion in model container [2024-11-20 10:15:14,078 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:03" (2/3) ... [2024-11-20 10:15:14,078 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14d243c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:15:14, skipping insertion in model container [2024-11-20 10:15:14,080 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:15:14" (3/3) ... [2024-11-20 10:15:14,081 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_harness.i [2024-11-20 10:15:14,099 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 10:15:14,099 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-20 10:15:14,189 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 10:15:14,197 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;@41b0cc59, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 10:15:14,198 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-20 10:15:14,204 INFO L276 IsEmpty]: Start isEmpty. Operand has 412 states, 240 states have (on average 1.2208333333333334) internal successors, (293), 245 states have internal predecessors, (293), 146 states have call successors, (146), 21 states have call predecessors, (146), 21 states have return successors, (146), 146 states have call predecessors, (146), 146 states have call successors, (146) [2024-11-20 10:15:14,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-20 10:15:14,216 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:15:14,217 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 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] [2024-11-20 10:15:14,218 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2024-11-20 10:15:14,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:15:14,226 INFO L85 PathProgramCache]: Analyzing trace with hash -832162892, now seen corresponding path program 1 times [2024-11-20 10:15:14,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:15:14,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790879219] [2024-11-20 10:15:14,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:15:14,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:16:32,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:33,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:16:33,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:33,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 10:16:33,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:33,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 10:16:33,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:33,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 10:16:33,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:33,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 10:16:33,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:33,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 10:16:33,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:33,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:16:33,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:33,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 10:16:33,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:33,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 10:16:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:33,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 10:16:33,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:33,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 10:16:33,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:33,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-20 10:16:33,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:33,561 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-20 10:16:33,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:16:33,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790879219] [2024-11-20 10:16:33,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790879219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:16:33,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:16:33,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 10:16:33,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144290076] [2024-11-20 10:16:33,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:16:33,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 10:16:33,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:16:33,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 10:16:33,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 10:16:33,601 INFO L87 Difference]: Start difference. First operand has 412 states, 240 states have (on average 1.2208333333333334) internal successors, (293), 245 states have internal predecessors, (293), 146 states have call successors, (146), 21 states have call predecessors, (146), 21 states have return successors, (146), 146 states have call predecessors, (146), 146 states have call successors, (146) Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12)