./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness_negated.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_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 885bac69872c2b34c2b244d1618f4ab60115ba2f5fec2456cdf32ad6a7277fb1 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 04:55:57,655 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 04:55:57,709 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 04:55:57,716 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 04:55:57,719 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 04:55:57,740 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 04:55:57,741 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 04:55:57,741 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 04:55:57,741 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 04:55:57,741 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 04:55:57,741 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 04:55:57,741 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 04:55:57,742 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 04:55:57,742 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 04:55:57,742 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 04:55:57,742 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 04:55:57,742 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 04:55:57,742 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 04:55:57,742 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 04:55:57,742 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 04:55:57,742 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 04:55:57,743 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 04:55:57,743 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 04:55:57,743 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 04:55:57,743 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 04:55:57,743 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 04:55:57,743 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 04:55:57,743 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 04:55:57,743 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 04:55:57,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:55:57,743 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 04:55:57,743 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 04:55:57,744 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 04:55:57,744 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 04:55:57,744 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 04:55:57,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 04:55:57,744 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 04:55:57,744 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 04:55:57,744 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 04:55:57,744 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 04:55:57,744 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 -> 885bac69872c2b34c2b244d1618f4ab60115ba2f5fec2456cdf32ad6a7277fb1 [2025-02-06 04:55:57,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 04:55:57,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 04:55:57,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 04:55:57,949 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 04:55:57,950 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 04:55:57,950 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness_negated.i [2025-02-06 04:55:59,047 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/38de6c691/5089ff453f8b4bffb964965fd0b49e53/FLAGc816285a9 [2025-02-06 04:55:59,476 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 04:55:59,477 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness_negated.i [2025-02-06 04:55:59,507 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/38de6c691/5089ff453f8b4bffb964965fd0b49e53/FLAGc816285a9 [2025-02-06 04:55:59,520 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/38de6c691/5089ff453f8b4bffb964965fd0b49e53 [2025-02-06 04:55:59,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 04:55:59,526 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 04:55:59,527 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 04:55:59,527 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 04:55:59,534 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 04:55:59,534 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:55:59" (1/1) ... [2025-02-06 04:55:59,535 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@400a2cf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:55:59, skipping insertion in model container [2025-02-06 04:55:59,535 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:55:59" (1/1) ... [2025-02-06 04:55:59,606 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 04:55:59,776 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_negated.i[4495,4508] [2025-02-06 04:55:59,784 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_negated.i[4555,4568] [2025-02-06 04:56:00,193 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:00,194 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:00,194 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:00,195 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:00,195 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:00,203 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:00,204 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:00,205 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:00,205 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:00,612 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:00,615 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:00,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:56:00,717 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 04:56:00,726 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_negated.i[4495,4508] [2025-02-06 04:56:00,729 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_negated.i[4555,4568] [2025-02-06 04:56:00,770 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:00,771 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:00,771 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:00,772 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:00,772 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:00,779 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:00,781 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:00,781 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:00,782 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:00,885 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2025-02-06 04:56:00,886 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:00,886 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:00,964 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2025-02-06 04:56:00,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:56:01,081 INFO L204 MainTranslator]: Completed translation [2025-02-06 04:56:01,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:56:01 WrapperNode [2025-02-06 04:56:01,083 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 04:56:01,083 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 04:56:01,084 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 04:56:01,084 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 04:56:01,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:56:01" (1/1) ... [2025-02-06 04:56:01,153 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:56:01" (1/1) ... [2025-02-06 04:56:01,231 INFO L138 Inliner]: procedures = 680, calls = 2633, calls flagged for inlining = 64, calls inlined = 10, statements flattened = 902 [2025-02-06 04:56:01,231 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 04:56:01,232 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 04:56:01,232 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 04:56:01,232 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 04:56:01,238 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:56:01" (1/1) ... [2025-02-06 04:56:01,239 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:56:01" (1/1) ... [2025-02-06 04:56:01,247 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:56:01" (1/1) ... [2025-02-06 04:56:01,303 INFO L175 MemorySlicer]: Split 556 memory accesses to 6 slices as follows [2, 257, 238, 6, 13, 40]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 0, 5, 8]. The 493 writes are split as follows [0, 257, 232, 2, 0, 2]. [2025-02-06 04:56:01,303 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:56:01" (1/1) ... [2025-02-06 04:56:01,304 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:56:01" (1/1) ... [2025-02-06 04:56:01,323 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:56:01" (1/1) ... [2025-02-06 04:56:01,324 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:56:01" (1/1) ... [2025-02-06 04:56:01,328 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:56:01" (1/1) ... [2025-02-06 04:56:01,330 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:56:01" (1/1) ... [2025-02-06 04:56:01,336 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 04:56:01,336 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 04:56:01,336 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 04:56:01,336 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 04:56:01,337 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:56:01" (1/1) ... [2025-02-06 04:56:01,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:56:01,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:56:01,368 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 04:56:01,374 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 04:56:01,387 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq_c_str [2025-02-06 04:56:01,387 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq_c_str [2025-02-06 04:56:01,387 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-06 04:56:01,387 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-06 04:56:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 04:56:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 04:56:01,388 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 04:56:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 04:56:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 04:56:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 04:56:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 04:56:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 04:56:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 04:56:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 04:56:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 04:56:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 04:56:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 04:56:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 04:56:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 04:56:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 04:56:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 04:56:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 04:56:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 04:56:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-02-06 04:56:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-02-06 04:56:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 04:56:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 04:56:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 04:56:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 04:56:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 04:56:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 04:56:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 04:56:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 04:56:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 04:56:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 04:56:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-06 04:56:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-06 04:56:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 04:56:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 04:56:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 04:56:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 04:56:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 04:56:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 04:56:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 04:56:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 04:56:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 04:56:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 04:56:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 04:56:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 04:56:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 04:56:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 04:56:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 04:56:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 04:56:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 04:56:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 04:56:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 04:56:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 04:56:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 04:56:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 04:56:01,390 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 04:56:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 04:56:01,390 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 04:56:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 04:56:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 04:56:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 04:56:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 04:56:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 04:56:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 04:56:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 04:56:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 04:56:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 04:56:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 04:56:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 04:56:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 04:56:01,608 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 04:56:01,609 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 04:56:01,637 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 04:56:01,670 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-02-06 04:56:01,717 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7767: havoc #t~mem828; [2025-02-06 04:56:01,730 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 04:56:01,779 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7353: 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 04:56:01,791 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 04:56:08,697 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-02-06 04:56:08,759 INFO L? ?]: Removed 119 outVars from TransFormulas that were not future-live. [2025-02-06 04:56:08,759 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 04:56:08,775 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 04:56:08,777 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 04:56:08,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:56:08 BoogieIcfgContainer [2025-02-06 04:56:08,778 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 04:56:08,779 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 04:56:08,783 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 04:56:08,787 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 04:56:08,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 04:55:59" (1/3) ... [2025-02-06 04:56:08,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47afe855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:56:08, skipping insertion in model container [2025-02-06 04:56:08,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:56:01" (2/3) ... [2025-02-06 04:56:08,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47afe855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:56:08, skipping insertion in model container [2025-02-06 04:56:08,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:56:08" (3/3) ... [2025-02-06 04:56:08,792 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_eq_c_str_harness_negated.i [2025-02-06 04:56:08,811 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 04:56:08,815 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_eq_c_str_harness_negated.i that has 11 procedures, 138 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 04:56:08,892 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 04:56:08,907 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;@31eeee45, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 04:56:08,908 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 04:56:08,916 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 04:56:08,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-02-06 04:56:08,931 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 04:56:08,933 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 04:56:08,933 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 04:56:08,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 04:56:08,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1564787415, now seen corresponding path program 1 times [2025-02-06 04:56:08,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 04:56:08,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589709388] [2025-02-06 04:56:08,954 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:56:08,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 04:57:14,657 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-02-06 04:57:15,097 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-02-06 04:57:15,098 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:57:15,098 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:57:15,655 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 04:57:15,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 04:57:15,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589709388] [2025-02-06 04:57:15,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589709388] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 04:57:15,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498376528] [2025-02-06 04:57:15,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:57:15,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 04:57:15,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:57:15,663 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 04:57:15,664 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