./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_ignore_case_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_ignore_case_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 378441a9bcec2a4eb6d1dae870bed526bd742843c0fa114d0ed9d4e2e4a551a9 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:06:17,419 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:06:17,486 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:06:17,494 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:06:17,496 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:06:17,533 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:06:17,534 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:06:17,535 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:06:17,535 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:06:17,536 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:06:17,536 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:06:17,536 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:06:17,537 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:06:17,537 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:06:17,537 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:06:17,538 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:06:17,538 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:06:17,538 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:06:17,539 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:06:17,539 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:06:17,542 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:06:17,543 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:06:17,543 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:06:17,543 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:06:17,547 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:06:17,547 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:06:17,547 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:06:17,547 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:06:17,548 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:06:17,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:06:17,548 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:06:17,548 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:06:17,549 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:06:17,549 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:06:17,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:06:17,549 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:06:17,550 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:06:17,550 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:06:17,551 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:06:17,551 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 378441a9bcec2a4eb6d1dae870bed526bd742843c0fa114d0ed9d4e2e4a551a9 [2024-11-19 02:06:17,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:06:17,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:06:17,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:06:17,842 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:06:17,842 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:06:17,843 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_ignore_case_harness.i [2024-11-19 02:06:19,301 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:06:19,788 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:06:19,789 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_ignore_case_harness.i [2024-11-19 02:06:19,834 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c84f5adf1/84a094db7c5b4798b3a4bb5b3a251535/FLAGf40779d93 [2024-11-19 02:06:19,880 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c84f5adf1/84a094db7c5b4798b3a4bb5b3a251535 [2024-11-19 02:06:19,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:06:19,886 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:06:19,888 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:06:19,888 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:06:19,895 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:06:19,895 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:06:19" (1/1) ... [2024-11-19 02:06:19,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75992b2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:06:19, skipping insertion in model container [2024-11-19 02:06:19,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:06:19" (1/1) ... [2024-11-19 02:06:20,004 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:06:20,381 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_ignore_case_harness.i[4501,4514] [2024-11-19 02:06:20,392 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_ignore_case_harness.i[4561,4574] [2024-11-19 02:06:21,535 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:21,536 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:21,537 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:21,542 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:21,543 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:21,560 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:21,561 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:21,563 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:21,564 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:22,306 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:22,307 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:22,379 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:06:22,458 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:06:22,477 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_ignore_case_harness.i[4501,4514] [2024-11-19 02:06:22,482 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_ignore_case_harness.i[4561,4574] [2024-11-19 02:06:22,530 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:22,535 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:22,535 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:22,539 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:22,539 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:22,549 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:22,553 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:22,555 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:22,555 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:22,696 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2024-11-19 02:06:22,698 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:22,699 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:06:22,714 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2024-11-19 02:06:22,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:06:22,982 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:06:22,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:06:22 WrapperNode [2024-11-19 02:06:22,983 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:06:22,984 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:06:22,984 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:06:22,984 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:06:22,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:06:22" (1/1) ... [2024-11-19 02:06:23,103 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:06:22" (1/1) ... [2024-11-19 02:06:23,182 INFO L138 Inliner]: procedures = 680, calls = 2663, calls flagged for inlining = 59, calls inlined = 5, statements flattened = 876 [2024-11-19 02:06:23,183 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:06:23,184 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:06:23,184 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:06:23,184 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:06:23,195 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:06:22" (1/1) ... [2024-11-19 02:06:23,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:06:22" (1/1) ... [2024-11-19 02:06:23,203 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:06:22" (1/1) ... [2024-11-19 02:06:23,280 INFO L175 MemorySlicer]: Split 576 memory accesses to 6 slices as follows [2, 259, 238, 6, 62, 9]. 45 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [2, 0, 6, 0, 16, 5]. The 497 writes are split as follows [0, 257, 232, 2, 6, 0]. [2024-11-19 02:06:23,280 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:06:22" (1/1) ... [2024-11-19 02:06:23,281 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:06:22" (1/1) ... [2024-11-19 02:06:23,316 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:06:22" (1/1) ... [2024-11-19 02:06:23,322 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:06:22" (1/1) ... [2024-11-19 02:06:23,339 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:06:22" (1/1) ... [2024-11-19 02:06:23,346 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:06:22" (1/1) ... [2024-11-19 02:06:23,365 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:06:23,366 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:06:23,366 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:06:23,366 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:06:23,369 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:06:22" (1/1) ... [2024-11-19 02:06:23,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:06:23,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:06:23,407 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) [2024-11-19 02:06:23,411 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 [2024-11-19 02:06:23,459 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-19 02:06:23,460 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-19 02:06:23,460 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq_ignore_case [2024-11-19 02:06:23,460 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq_ignore_case [2024-11-19 02:06:23,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:06:23,461 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:06:23,461 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:06:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:06:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:06:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:06:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:06:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:06:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 02:06:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:06:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:06:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:06:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:06:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:06:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 02:06:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:06:23,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:06:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:06:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:06:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-19 02:06:23,463 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-19 02:06:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:06:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:06:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:06:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:06:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:06:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 02:06:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-19 02:06:23,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-19 02:06:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:06:23,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:06:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:06:23,465 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:06:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-19 02:06:23,465 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-19 02:06:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:06:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:06:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:06:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:06:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:06:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 02:06:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:06:23,467 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:06:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:06:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:06:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:06:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:06:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:06:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:06:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 02:06:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:06:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:06:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:06:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:06:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:06:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 02:06:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-19 02:06:23,469 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-19 02:06:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2024-11-19 02:06:23,470 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2024-11-19 02:06:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:06:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:06:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:06:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:06:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:06:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 02:06:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2024-11-19 02:06:23,471 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2024-11-19 02:06:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:06:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:06:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:06:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:06:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:06:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 02:06:23,820 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:06:23,823 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:06:32,127 INFO L? ?]: Removed 80 outVars from TransFormulas that were not future-live. [2024-11-19 02:06:32,127 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:06:32,141 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:06:32,142 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 02:06:32,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:06:32 BoogieIcfgContainer [2024-11-19 02:06:32,143 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:06:32,145 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:06:32,145 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:06:32,148 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:06:32,149 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:06:19" (1/3) ... [2024-11-19 02:06:32,149 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c37d85c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:06:32, skipping insertion in model container [2024-11-19 02:06:32,149 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:06:22" (2/3) ... [2024-11-19 02:06:32,150 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c37d85c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:06:32, skipping insertion in model container [2024-11-19 02:06:32,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:06:32" (3/3) ... [2024-11-19 02:06:32,153 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_eq_ignore_case_harness.i [2024-11-19 02:06:32,168 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:06:32,169 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:06:32,239 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:06:32,248 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;@747757b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:06:32,250 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:06:32,254 INFO L276 IsEmpty]: Start isEmpty. Operand has 143 states, 87 states have (on average 1.2413793103448276) internal successors, (108), 88 states have internal predecessors, (108), 42 states have call successors, (42), 12 states have call predecessors, (42), 12 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-19 02:06:32,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-19 02:06:32,272 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:06:32,273 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] [2024-11-19 02:06:32,275 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:06:32,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:06:32,281 INFO L85 PathProgramCache]: Analyzing trace with hash -780859386, now seen corresponding path program 1 times [2024-11-19 02:06:32,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:06:32,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443572711] [2024-11-19 02:06:32,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:06:32,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:07:44,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:07:45,785 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2024-11-19 02:07:45,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:07:45,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443572711] [2024-11-19 02:07:45,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443572711] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:07:45,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799866690] [2024-11-19 02:07:45,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:07:45,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:07:45,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:07:45,791 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 02:07:45,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process