./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_byte_buf_eq_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_byte_buf_eq_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 5ab09f6d00b35855a638bb480b97a9e37405f3b4b54804a74b9b206823c7f543 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 09:56:54,019 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 09:56:54,091 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 09:56:54,096 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 09:56:54,096 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 09:56:54,117 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 09:56:54,118 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 09:56:54,118 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 09:56:54,119 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 09:56:54,120 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 09:56:54,120 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 09:56:54,120 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 09:56:54,121 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 09:56:54,122 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 09:56:54,122 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 09:56:54,123 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 09:56:54,123 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 09:56:54,123 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 09:56:54,124 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 09:56:54,124 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 09:56:54,124 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 09:56:54,127 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 09:56:54,128 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 09:56:54,128 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 09:56:54,128 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 09:56:54,129 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 09:56:54,129 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 09:56:54,129 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 09:56:54,129 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 09:56:54,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 09:56:54,130 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 09:56:54,130 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 09:56:54,131 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 09:56:54,131 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 09:56:54,132 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 09:56:54,132 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 09:56:54,133 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 09:56:54,133 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 09:56:54,133 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 09:56:54,134 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ab09f6d00b35855a638bb480b97a9e37405f3b4b54804a74b9b206823c7f543 [2024-11-20 09:56:54,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 09:56:54,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 09:56:54,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 09:56:54,455 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 09:56:54,456 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 09:56:54,457 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness.i [2024-11-20 09:56:55,966 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 09:56:56,434 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 09:56:56,437 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness.i [2024-11-20 09:56:56,477 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85d855dbe/970231bb85f044bcbda6edd75338bc16/FLAGf939adff9 [2024-11-20 09:56:56,496 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85d855dbe/970231bb85f044bcbda6edd75338bc16 [2024-11-20 09:56:56,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 09:56:56,501 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 09:56:56,503 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 09:56:56,503 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 09:56:56,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 09:56:56,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:56:56" (1/1) ... [2024-11-20 09:56:56,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@751cf9fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:56, skipping insertion in model container [2024-11-20 09:56:56,512 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:56:56" (1/1) ... [2024-11-20 09:56:56,618 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 09:56:56,961 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_byte_buf_eq_harness.i[4489,4502] [2024-11-20 09:56:56,970 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_byte_buf_eq_harness.i[4549,4562] [2024-11-20 09:56:58,089 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:58,089 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:58,090 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:58,093 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:58,094 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:58,108 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:58,109 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:58,111 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:58,113 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:58,624 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:58,625 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:58,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 09:56:58,772 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 09:56:58,790 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_byte_buf_eq_harness.i[4489,4502] [2024-11-20 09:56:58,794 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_byte_buf_eq_harness.i[4549,4562] [2024-11-20 09:56:58,832 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:58,835 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:58,837 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:58,837 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:58,838 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:58,845 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:58,849 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:58,850 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:58,853 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:59,048 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2024-11-20 09:56:59,051 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:59,051 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:56:59,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2024-11-20 09:56:59,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 09:56:59,373 INFO L204 MainTranslator]: Completed translation [2024-11-20 09:56:59,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:59 WrapperNode [2024-11-20 09:56:59,374 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 09:56:59,375 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 09:56:59,375 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 09:56:59,375 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 09:56:59,383 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:59" (1/1) ... [2024-11-20 09:56:59,488 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:59" (1/1) ... [2024-11-20 09:56:59,578 INFO L138 Inliner]: procedures = 680, calls = 2668, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 902 [2024-11-20 09:56:59,579 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 09:56:59,579 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 09:56:59,579 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 09:56:59,580 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 09:56:59,591 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:59" (1/1) ... [2024-11-20 09:56:59,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:59" (1/1) ... [2024-11-20 09:56:59,604 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:59" (1/1) ... [2024-11-20 09:56:59,688 INFO L175 MemorySlicer]: Split 578 memory accesses to 6 slices as follows [2, 257, 66, 238, 6, 9]. 44 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [2, 0, 16, 6, 0, 5]. The 497 writes are split as follows [0, 257, 6, 232, 2, 0]. [2024-11-20 09:56:59,688 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:59" (1/1) ... [2024-11-20 09:56:59,689 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:59" (1/1) ... [2024-11-20 09:56:59,737 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:59" (1/1) ... [2024-11-20 09:56:59,744 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:59" (1/1) ... [2024-11-20 09:56:59,751 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:59" (1/1) ... [2024-11-20 09:56:59,757 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:59" (1/1) ... [2024-11-20 09:56:59,768 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 09:56:59,768 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 09:56:59,769 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 09:56:59,769 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 09:56:59,770 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:59" (1/1) ... [2024-11-20 09:56:59,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 09:56:59,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 09:56:59,811 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 09:56:59,814 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 09:56:59,863 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-20 09:56:59,864 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-20 09:56:59,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 09:56:59,865 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-20 09:56:59,865 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-20 09:56:59,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 09:56:59,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 09:56:59,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 09:56:59,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 09:56:59,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 09:56:59,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-20 09:56:59,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 09:56:59,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 09:56:59,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 09:56:59,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 09:56:59,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 09:56:59,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-20 09:56:59,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 09:56:59,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 09:56:59,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 09:56:59,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 09:56:59,868 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-20 09:56:59,868 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-20 09:56:59,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 09:56:59,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 09:56:59,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 09:56:59,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 09:56:59,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 09:56:59,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-20 09:56:59,869 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-20 09:56:59,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-20 09:56:59,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 09:56:59,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 09:56:59,869 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-20 09:56:59,869 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-20 09:56:59,869 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-20 09:56:59,870 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-20 09:56:59,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 09:56:59,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 09:56:59,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 09:56:59,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 09:56:59,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 09:56:59,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-20 09:56:59,871 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 09:56:59,871 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 09:56:59,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 09:56:59,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 09:56:59,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 09:56:59,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 09:56:59,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 09:56:59,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-20 09:56:59,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-20 09:56:59,871 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-20 09:56:59,871 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-20 09:56:59,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 09:56:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 09:56:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 09:56:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 09:56:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 09:56:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-20 09:56:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-20 09:56:59,872 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-20 09:56:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-20 09:56:59,872 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-20 09:56:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2024-11-20 09:56:59,872 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2024-11-20 09:56:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 09:56:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 09:56:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 09:56:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 09:56:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 09:56:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-20 09:56:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2024-11-20 09:56:59,873 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2024-11-20 09:56:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 09:56:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 09:56:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 09:56:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 09:56:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 09:56:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-20 09:57:00,196 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 09:57:00,199 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 09:57:08,909 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2024-11-20 09:57:08,910 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 09:57:08,928 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 09:57:08,930 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 09:57:08,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:57:08 BoogieIcfgContainer [2024-11-20 09:57:08,930 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 09:57:08,932 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 09:57:08,933 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 09:57:08,936 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 09:57:08,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:56:56" (1/3) ... [2024-11-20 09:57:08,937 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cd83b58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:57:08, skipping insertion in model container [2024-11-20 09:57:08,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:59" (2/3) ... [2024-11-20 09:57:08,937 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cd83b58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:57:08, skipping insertion in model container [2024-11-20 09:57:08,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:57:08" (3/3) ... [2024-11-20 09:57:08,940 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_eq_harness.i [2024-11-20 09:57:08,957 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 09:57:08,957 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 09:57:09,030 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 09:57:09,037 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;@74760a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 09:57:09,037 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 09:57:09,044 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 92 states have (on average 1.2282608695652173) internal successors, (113), 93 states have internal predecessors, (113), 46 states have call successors, (46), 13 states have call predecessors, (46), 13 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-20 09:57:09,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-20 09:57:09,065 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:57:09,066 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 09:57:09,067 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:57:09,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:57:09,073 INFO L85 PathProgramCache]: Analyzing trace with hash 379353637, now seen corresponding path program 1 times [2024-11-20 09:57:09,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:57:09,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189894662] [2024-11-20 09:57:09,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:57:09,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:58:23,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:58:24,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 09:58:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:58:24,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 09:58:24,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:58:24,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 09:58:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:58:24,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 09:58:24,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:58:24,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 09:58:24,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:58:24,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 09:58:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:58:24,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 09:58:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:58:24,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 09:58:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:58:24,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 09:58:24,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:58:24,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 09:58:24,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:58:24,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-20 09:58:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:58:24,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-20 09:58:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:58:24,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-20 09:58:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:58:24,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-20 09:58:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:58:24,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 09:58:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:58:24,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 09:58:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:58:25,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 09:58:25,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:58:25,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 09:58:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:58:25,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 09:58:25,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:58:25,036 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-20 09:58:25,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:58:25,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189894662] [2024-11-20 09:58:25,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189894662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:58:25,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:58:25,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 09:58:25,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500591244] [2024-11-20 09:58:25,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:58:25,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 09:58:25,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:58:25,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 09:58:25,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 09:58:25,069 INFO L87 Difference]: Start difference. First operand has 153 states, 92 states have (on average 1.2282608695652173) internal successors, (113), 93 states have internal predecessors, (113), 46 states have call successors, (46), 13 states have call predecessors, (46), 13 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-20 09:58:29,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 09:58:33,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.48s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []