./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d 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_string_eq_byte_buf_harness_negated.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 c974750d72dbbdcad43b6c780cc7a00626a484b6d2da67e96b9032eaa6e0f23d --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 02:00:41,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 02:00:41,709 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 02:00:41,715 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 02:00:41,718 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 02:00:41,746 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 02:00:41,748 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 02:00:41,748 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 02:00:41,748 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 02:00:41,749 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 02:00:41,749 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 02:00:41,750 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 02:00:41,750 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 02:00:41,750 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 02:00:41,750 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 02:00:41,750 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 02:00:41,750 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 02:00:41,750 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 02:00:41,751 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 02:00:41,751 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 02:00:41,751 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 02:00:41,751 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 02:00:41,751 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 02:00:41,751 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 02:00:41,752 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 02:00:41,752 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 02:00:41,752 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 02:00:41,752 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 02:00:41,752 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 02:00:41,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 02:00:41,752 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 02:00:41,752 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 02:00:41,753 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 02:00:41,753 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 02:00:41,753 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 02:00:41,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 02:00:41,753 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 02:00:41,753 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 02:00:41,754 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 02:00:41,754 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 02:00:41,754 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 -> c974750d72dbbdcad43b6c780cc7a00626a484b6d2da67e96b9032eaa6e0f23d [2025-02-08 02:00:42,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 02:00:42,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 02:00:42,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 02:00:42,058 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 02:00:42,058 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 02:00:42,059 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness_negated.i [2025-02-08 02:00:43,417 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3e39141e8/683b9b2916d44b9d808c06ef7a17738d/FLAGd71c2924b [2025-02-08 02:00:43,959 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 02:00:43,960 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness_negated.i [2025-02-08 02:00:44,000 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3e39141e8/683b9b2916d44b9d808c06ef7a17738d/FLAGd71c2924b [2025-02-08 02:00:44,021 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3e39141e8/683b9b2916d44b9d808c06ef7a17738d [2025-02-08 02:00:44,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 02:00:44,024 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 02:00:44,026 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 02:00:44,026 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 02:00:44,029 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 02:00:44,030 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:00:44" (1/1) ... [2025-02-08 02:00:44,033 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c453938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:44, skipping insertion in model container [2025-02-08 02:00:44,033 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:00:44" (1/1) ... [2025-02-08 02:00:44,133 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 02:00:44,390 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_string_eq_byte_buf_harness_negated.i[4496,4509] [2025-02-08 02:00:44,397 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_string_eq_byte_buf_harness_negated.i[4556,4569] [2025-02-08 02:00:45,282 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:45,283 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:45,283 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:45,284 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:45,284 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:45,296 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:45,297 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:45,298 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:45,299 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:46,069 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:46,074 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:46,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 02:00:46,305 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 02:00:46,319 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_string_eq_byte_buf_harness_negated.i[4496,4509] [2025-02-08 02:00:46,324 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_string_eq_byte_buf_harness_negated.i[4556,4569] [2025-02-08 02:00:46,386 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:46,388 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:46,389 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:46,389 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:46,391 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:46,401 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:46,403 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:46,403 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:46,405 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:46,512 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8221] [2025-02-08 02:00:46,513 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:46,514 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:46,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8707-8718] [2025-02-08 02:00:46,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 02:00:46,755 INFO L204 MainTranslator]: Completed translation [2025-02-08 02:00:46,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:46 WrapperNode [2025-02-08 02:00:46,756 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 02:00:46,757 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 02:00:46,757 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 02:00:46,757 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 02:00:46,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:46" (1/1) ... [2025-02-08 02:00:46,851 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:46" (1/1) ... [2025-02-08 02:00:46,937 INFO L138 Inliner]: procedures = 682, calls = 2798, calls flagged for inlining = 61, calls inlined = 8, statements flattened = 891 [2025-02-08 02:00:46,937 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 02:00:46,938 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 02:00:46,938 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 02:00:46,938 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 02:00:46,952 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:46" (1/1) ... [2025-02-08 02:00:46,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:46" (1/1) ... [2025-02-08 02:00:46,958 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:46" (1/1) ... [2025-02-08 02:00:47,030 INFO L175 MemorySlicer]: Split 549 memory accesses to 6 slices as follows [2, 257, 238, 16, 20, 16]. 47 percent of accesses are in the largest equivalence class. The 33 initializations are split as follows [2, 0, 6, 16, 4, 5]. The 494 writes are split as follows [0, 257, 232, 0, 2, 3]. [2025-02-08 02:00:47,031 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:46" (1/1) ... [2025-02-08 02:00:47,031 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:46" (1/1) ... [2025-02-08 02:00:47,072 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:46" (1/1) ... [2025-02-08 02:00:47,081 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:46" (1/1) ... [2025-02-08 02:00:47,091 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:46" (1/1) ... [2025-02-08 02:00:47,097 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:46" (1/1) ... [2025-02-08 02:00:47,107 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 02:00:47,108 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 02:00:47,108 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 02:00:47,108 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 02:00:47,109 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:46" (1/1) ... [2025-02-08 02:00:47,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 02:00:47,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 02:00:47,145 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) [2025-02-08 02:00:47,149 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 [2025-02-08 02:00:47,173 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-02-08 02:00:47,173 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-02-08 02:00:47,173 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-08 02:00:47,173 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-08 02:00:47,173 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2025-02-08 02:00:47,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2025-02-08 02:00:47,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 02:00:47,174 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 02:00:47,174 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 02:00:47,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 02:00:47,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 02:00:47,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 02:00:47,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 02:00:47,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 02:00:47,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 02:00:47,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 02:00:47,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 02:00:47,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 02:00:47,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 02:00:47,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 02:00:47,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 02:00:47,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 02:00:47,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 02:00:47,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 02:00:47,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 02:00:47,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 02:00:47,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 02:00:47,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 02:00:47,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 02:00:47,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 02:00:47,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 02:00:47,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 02:00:47,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 02:00:47,176 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 02:00:47,176 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 02:00:47,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 02:00:47,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 02:00:47,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 02:00:47,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 02:00:47,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 02:00:47,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 02:00:47,177 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 02:00:47,177 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 02:00:47,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 02:00:47,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 02:00:47,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 02:00:47,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 02:00:47,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 02:00:47,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 02:00:47,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 02:00:47,177 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-02-08 02:00:47,177 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-02-08 02:00:47,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 02:00:47,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 02:00:47,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 02:00:47,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 02:00:47,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 02:00:47,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 02:00:47,177 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 02:00:47,177 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 02:00:47,178 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-08 02:00:47,178 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-08 02:00:47,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 02:00:47,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 02:00:47,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 02:00:47,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 02:00:47,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 02:00:47,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 02:00:47,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 02:00:47,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 02:00:47,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 02:00:47,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 02:00:47,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 02:00:47,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 02:00:47,476 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 02:00:47,478 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 02:00:47,528 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 02:00:47,570 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6244: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2025-02-08 02:00:47,577 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-08 02:00:47,592 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7671: havoc #t~nondet817; [2025-02-08 02:00:47,652 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7329: havoc #t~mem678;havoc #t~mem679;havoc #t~short680;havoc #t~mem681.base, #t~mem681.offset;havoc #t~short682;havoc #t~mem683;havoc #t~mem684;havoc #t~mem685;havoc #t~short686;havoc #t~mem687;havoc #t~mem688.base, #t~mem688.offset;havoc #t~short689;havoc #t~short690;havoc #t~short691;havoc #t~short692; [2025-02-08 02:00:47,668 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 02:00:47,703 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791: havoc #t~ret543#1.base, #t~ret543#1.offset; [2025-02-08 02:00:55,563 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-02-08 02:00:55,563 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9374: havoc aws_string_eq_byte_buf_#t~mem1318#1;havoc aws_string_eq_byte_buf_#t~mem1319#1.base, aws_string_eq_byte_buf_#t~mem1319#1.offset;havoc aws_string_eq_byte_buf_#t~mem1320#1;havoc aws_string_eq_byte_buf_#t~ret1321#1; [2025-02-08 02:00:55,604 INFO L? ?]: Removed 103 outVars from TransFormulas that were not future-live. [2025-02-08 02:00:55,604 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 02:00:55,616 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 02:00:55,617 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 02:00:55,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:00:55 BoogieIcfgContainer [2025-02-08 02:00:55,618 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 02:00:55,620 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 02:00:55,620 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 02:00:55,625 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 02:00:55,625 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 02:00:44" (1/3) ... [2025-02-08 02:00:55,626 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d392440 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 02:00:55, skipping insertion in model container [2025-02-08 02:00:55,626 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:46" (2/3) ... [2025-02-08 02:00:55,627 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d392440 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 02:00:55, skipping insertion in model container [2025-02-08 02:00:55,627 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:00:55" (3/3) ... [2025-02-08 02:00:55,628 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_string_eq_byte_buf_harness_negated.i [2025-02-08 02:00:55,643 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 02:00:55,646 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_string_eq_byte_buf_harness_negated.i that has 11 procedures, 125 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-08 02:00:55,696 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 02:00:55,707 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;@f067f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 02:00:55,707 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 02:00:55,713 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 82 states have (on average 1.2804878048780488) internal successors, (105), 83 states have internal predecessors, (105), 31 states have call successors, (31), 10 states have call predecessors, (31), 10 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2025-02-08 02:00:55,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-02-08 02:00:55,722 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 02:00:55,723 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 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] [2025-02-08 02:00:55,723 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 02:00:55,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 02:00:55,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1975818578, now seen corresponding path program 1 times [2025-02-08 02:00:55,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 02:00:55,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844979496] [2025-02-08 02:00:55,736 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 02:00:55,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 02:02:05,749 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-02-08 02:02:06,498 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-02-08 02:02:06,499 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 02:02:06,499 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 02:02:07,293 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-02-08 02:02:07,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 02:02:07,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844979496] [2025-02-08 02:02:07,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844979496] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 02:02:07,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83784128] [2025-02-08 02:02:07,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 02:02:07,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 02:02:07,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 02:02:07,301 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) [2025-02-08 02:02:07,303 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