./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9e4ccc391c063e90fb229c8b3638d2f1089d6ba2ff288522cf06bf650b1be9e5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 04:55:50,890 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 04:55:50,952 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 04:55:50,959 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 04:55:50,959 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 04:55:50,976 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 04:55:50,977 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 04:55:50,977 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 04:55:50,977 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 04:55:50,977 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 04:55:50,977 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 04:55:50,977 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 04:55:50,978 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 04:55:50,978 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 04:55:50,978 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 04:55:50,978 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 04:55:50,978 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 04:55:50,978 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 04:55:50,978 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 04:55:50,978 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 04:55:50,978 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 04:55:50,978 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 04:55:50,979 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 04:55:50,979 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 04:55:50,979 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 04:55:50,979 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 04:55:50,979 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 04:55:50,979 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 04:55:50,979 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 04:55:50,979 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:55:50,979 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 04:55:50,980 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 04:55:50,980 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 04:55:50,980 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 04:55:50,980 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 04:55:50,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 04:55:50,980 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 04:55:50,980 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 04:55:50,980 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 04:55:50,980 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 04:55:50,980 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e4ccc391c063e90fb229c8b3638d2f1089d6ba2ff288522cf06bf650b1be9e5 [2025-02-06 04:55:51,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 04:55:51,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 04:55:51,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 04:55:51,202 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 04:55:51,202 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 04:55:51,203 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness.i [2025-02-06 04:55:52,354 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6bc9899c9/33ed74be0a9d4b71bb4aded659f73623/FLAGce040e282 [2025-02-06 04:55:52,779 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 04:55:52,780 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness.i [2025-02-06 04:55:52,809 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6bc9899c9/33ed74be0a9d4b71bb4aded659f73623/FLAGce040e282 [2025-02-06 04:55:52,822 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6bc9899c9/33ed74be0a9d4b71bb4aded659f73623 [2025-02-06 04:55:52,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 04:55:52,828 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 04:55:52,829 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 04:55:52,829 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 04:55:52,833 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 04:55:52,834 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:55:52" (1/1) ... [2025-02-06 04:55:52,836 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37f547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:55:52, skipping insertion in model container [2025-02-06 04:55:52,836 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:55:52" (1/1) ... [2025-02-06 04:55:52,923 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 04:55:53,098 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness.i[4495,4508] [2025-02-06 04:55:53,106 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness.i[4555,4568] [2025-02-06 04:55:53,515 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:53,517 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:53,517 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:53,519 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:53,519 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:53,533 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:53,535 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:53,537 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:53,538 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:53,903 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:53,903 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:53,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:55:53,984 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 04:55:54,000 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness.i[4495,4508] [2025-02-06 04:55:54,004 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness.i[4555,4568] [2025-02-06 04:55:54,044 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:54,044 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:54,045 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:54,045 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:54,045 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:54,049 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:54,049 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:54,050 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:54,050 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:54,193 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2025-02-06 04:55:54,195 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:54,195 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:54,209 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2025-02-06 04:55:54,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:55:54,404 INFO L204 MainTranslator]: Completed translation [2025-02-06 04:55:54,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:55:54 WrapperNode [2025-02-06 04:55:54,404 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 04:55:54,405 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 04:55:54,405 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 04:55:54,405 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 04:55:54,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:55:54" (1/1) ... [2025-02-06 04:55:54,461 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:55:54" (1/1) ... [2025-02-06 04:55:54,525 INFO L138 Inliner]: procedures = 680, calls = 2633, calls flagged for inlining = 64, calls inlined = 10, statements flattened = 902 [2025-02-06 04:55:54,525 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 04:55:54,526 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 04:55:54,526 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 04:55:54,526 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 04:55:54,537 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:55:54" (1/1) ... [2025-02-06 04:55:54,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:55:54" (1/1) ... [2025-02-06 04:55:54,544 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:55:54" (1/1) ... [2025-02-06 04:55:54,598 INFO L175 MemorySlicer]: Split 556 memory accesses to 6 slices as follows [257, 2, 238, 40, 13, 6]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [0, 2, 6, 8, 5, 0]. The 493 writes are split as follows [257, 0, 232, 2, 0, 2]. [2025-02-06 04:55:54,601 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:55:54" (1/1) ... [2025-02-06 04:55:54,602 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:55:54" (1/1) ... [2025-02-06 04:55:54,638 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:55:54" (1/1) ... [2025-02-06 04:55:54,643 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:55:54" (1/1) ... [2025-02-06 04:55:54,647 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:55:54" (1/1) ... [2025-02-06 04:55:54,652 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:55:54" (1/1) ... [2025-02-06 04:55:54,661 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 04:55:54,665 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 04:55:54,665 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 04:55:54,665 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 04:55:54,666 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:55:54" (1/1) ... [2025-02-06 04:55:54,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:55:54,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:55:54,694 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 04:55:54,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 04:55:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq_c_str [2025-02-06 04:55:54,719 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq_c_str [2025-02-06 04:55:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-06 04:55:54,720 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-06 04:55:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 04:55:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 04:55:54,720 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 04:55:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 04:55:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 04:55:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 04:55:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 04:55:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 04:55:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 04:55:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 04:55:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 04:55:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 04:55:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 04:55:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 04:55:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 04:55:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 04:55:54,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 04:55:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 04:55:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 04:55:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-02-06 04:55:54,722 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-02-06 04:55:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 04:55:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 04:55:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 04:55:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 04:55:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 04:55:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 04:55:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 04:55:54,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 04:55:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 04:55:54,723 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 04:55:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-06 04:55:54,723 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-06 04:55:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 04:55:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 04:55:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 04:55:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 04:55:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 04:55:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 04:55:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 04:55:54,723 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 04:55:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 04:55:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 04:55:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 04:55:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 04:55:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 04:55:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 04:55:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 04:55:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 04:55:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 04:55:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 04:55:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 04:55:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 04:55:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 04:55:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 04:55:54,725 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 04:55:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 04:55:54,725 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 04:55:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 04:55:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 04:55:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 04:55:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 04:55:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 04:55:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 04:55:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 04:55:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 04:55:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 04:55:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 04:55:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 04:55:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 04:55:54,956 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 04:55:54,957 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 04:55:54,985 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 04:55:55,010 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-02-06 04:55:55,079 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7799: havoc #t~mem828; [2025-02-06 04:55:55,088 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 04:55:55,113 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7385: havoc #t~mem679;havoc #t~mem680;havoc #t~short681;havoc #t~mem682.base, #t~mem682.offset;havoc #t~short683;havoc #t~mem684;havoc #t~mem685;havoc #t~mem686;havoc #t~short687;havoc #t~mem688;havoc #t~mem689.base, #t~mem689.offset;havoc #t~short690;havoc #t~short691;havoc #t~short692;havoc #t~short693; [2025-02-06 04:55:55,121 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 04:56:02,104 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-02-06 04:56:02,129 INFO L? ?]: Removed 119 outVars from TransFormulas that were not future-live. [2025-02-06 04:56:02,129 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 04:56:02,136 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 04:56:02,136 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 04:56:02,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:56:02 BoogieIcfgContainer [2025-02-06 04:56:02,137 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 04:56:02,138 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 04:56:02,139 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 04:56:02,142 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 04:56:02,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 04:55:52" (1/3) ... [2025-02-06 04:56:02,142 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dd82334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:56:02, skipping insertion in model container [2025-02-06 04:56:02,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:55:54" (2/3) ... [2025-02-06 04:56:02,142 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dd82334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:56:02, skipping insertion in model container [2025-02-06 04:56:02,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:56:02" (3/3) ... [2025-02-06 04:56:02,143 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_eq_c_str_harness.i [2025-02-06 04:56:02,152 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 04:56:02,153 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_eq_c_str_harness.i that has 11 procedures, 138 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 04:56:02,189 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 04:56:02,200 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;@1de321e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 04:56:02,203 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 04:56:02,206 INFO L276 IsEmpty]: Start isEmpty. Operand has 138 states, 90 states have (on average 1.2444444444444445) internal successors, (112), 92 states have internal predecessors, (112), 36 states have call successors, (36), 10 states have call predecessors, (36), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2025-02-06 04:56:02,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-02-06 04:56:02,213 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 04:56:02,213 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 2, 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] [2025-02-06 04:56:02,214 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 04:56:02,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 04:56:02,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1564787415, now seen corresponding path program 1 times [2025-02-06 04:56:02,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 04:56:02,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955577851] [2025-02-06 04:56:02,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:56:02,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 04:57:12,440 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-02-06 04:57:12,925 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-02-06 04:57:12,925 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:57:12,926 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:57:13,627 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2025-02-06 04:57:13,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 04:57:13,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955577851] [2025-02-06 04:57:13,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955577851] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 04:57:13,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887090898] [2025-02-06 04:57:13,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:57:13,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 04:57:13,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:57:13,635 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 04:57:13,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process