./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness.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_byte_buf_eq_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 5ab09f6d00b35855a638bb480b97a9e37405f3b4b54804a74b9b206823c7f543 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:32:47,912 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:32:47,968 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:32:47,976 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:32:47,976 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:32:47,998 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:32:47,999 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:32:48,000 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:32:48,000 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:32:48,000 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:32:48,000 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:32:48,001 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:32:48,001 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:32:48,001 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:32:48,001 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:32:48,001 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:32:48,001 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:32:48,002 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:32:48,002 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:32:48,002 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:32:48,002 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:32:48,002 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:32:48,002 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:32:48,002 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:32:48,002 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:32:48,002 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:32:48,002 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:32:48,003 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:32:48,003 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:32:48,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:32:48,003 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:32:48,003 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:32:48,003 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:32:48,003 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:32:48,004 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:32:48,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:32:48,004 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:32:48,004 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:32:48,004 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:32:48,004 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:32:48,004 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 -> 5ab09f6d00b35855a638bb480b97a9e37405f3b4b54804a74b9b206823c7f543 [2025-02-08 01:32:48,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:32:48,215 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:32:48,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:32:48,220 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:32:48,220 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:32:48,221 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness.i [2025-02-08 01:32:49,289 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e8efaa0ce/28c1baa8ea2d49aa8c1a7094cee8007e/FLAG52934e565 [2025-02-08 01:32:49,721 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:32:49,721 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness.i [2025-02-08 01:32:49,753 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e8efaa0ce/28c1baa8ea2d49aa8c1a7094cee8007e/FLAG52934e565 [2025-02-08 01:32:49,860 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e8efaa0ce/28c1baa8ea2d49aa8c1a7094cee8007e [2025-02-08 01:32:49,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:32:49,863 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:32:49,864 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:32:49,864 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:32:49,867 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:32:49,867 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:32:49" (1/1) ... [2025-02-08 01:32:49,868 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f0f706b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:49, skipping insertion in model container [2025-02-08 01:32:49,868 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:32:49" (1/1) ... [2025-02-08 01:32:49,931 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:32:50,119 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_harness.i[4489,4502] [2025-02-08 01:32:50,126 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_harness.i[4549,4562] [2025-02-08 01:32:50,540 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:50,541 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:50,541 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:50,541 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:50,542 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:50,552 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:50,554 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:50,555 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:50,555 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:50,919 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:50,920 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:50,969 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:32:51,039 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:32:51,048 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_harness.i[4489,4502] [2025-02-08 01:32:51,051 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_harness.i[4549,4562] [2025-02-08 01:32:51,085 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:51,085 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:51,085 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:51,086 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:51,086 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:51,091 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:51,092 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:51,093 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:51,093 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:51,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2025-02-08 01:32:51,172 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:51,172 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:51,182 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2025-02-08 01:32:51,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:32:51,375 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:32:51,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:51 WrapperNode [2025-02-08 01:32:51,376 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:32:51,377 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:32:51,377 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:32:51,377 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:32:51,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:51" (1/1) ... [2025-02-08 01:32:51,438 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:51" (1/1) ... [2025-02-08 01:32:51,495 INFO L138 Inliner]: procedures = 680, calls = 2668, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 902 [2025-02-08 01:32:51,495 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:32:51,496 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:32:51,496 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:32:51,496 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:32:51,502 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:51" (1/1) ... [2025-02-08 01:32:51,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:51" (1/1) ... [2025-02-08 01:32:51,507 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:51" (1/1) ... [2025-02-08 01:32:51,556 INFO L175 MemorySlicer]: Split 578 memory accesses to 6 slices as follows [2, 257, 66, 238, 6, 9]. 44 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [2, 0, 16, 6, 0, 5]. The 497 writes are split as follows [0, 257, 6, 232, 2, 0]. [2025-02-08 01:32:51,557 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:51" (1/1) ... [2025-02-08 01:32:51,557 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:51" (1/1) ... [2025-02-08 01:32:51,589 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:51" (1/1) ... [2025-02-08 01:32:51,595 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:51" (1/1) ... [2025-02-08 01:32:51,602 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:51" (1/1) ... [2025-02-08 01:32:51,604 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:51" (1/1) ... [2025-02-08 01:32:51,610 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:32:51,611 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:32:51,611 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:32:51,611 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:32:51,612 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:51" (1/1) ... [2025-02-08 01:32:51,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:32:51,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:32:51,637 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 01:32:51,639 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 01:32:51,656 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-08 01:32:51,657 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-08 01:32:51,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:32:51,657 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:32:51,658 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:32:51,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:32:51,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:32:51,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:32:51,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:32:51,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:32:51,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 01:32:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:32:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:32:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:32:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:32:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:32:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 01:32:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:32:51,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:32:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:32:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:32:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-02-08 01:32:51,659 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-02-08 01:32:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:32:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:32:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:32:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:32:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:32:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 01:32:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2025-02-08 01:32:51,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2025-02-08 01:32:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:32:51,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:32:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:32:51,660 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:32:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-08 01:32:51,660 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-08 01:32:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:32:51,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:32:51,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:32:51,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:32:51,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:32:51,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 01:32:51,661 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:32:51,661 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:32:51,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:32:51,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:32:51,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:32:51,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:32:51,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:32:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:32:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 01:32:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-02-08 01:32:51,662 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-02-08 01:32:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:32:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:32:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:32:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:32:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:32:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 01:32:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:32:51,662 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:32:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-08 01:32:51,662 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-08 01:32:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2025-02-08 01:32:51,662 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2025-02-08 01:32:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:32:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:32:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:32:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:32:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:32:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 01:32:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2025-02-08 01:32:51,662 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2025-02-08 01:32:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:32:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:32:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:32:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:32:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:32:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 01:32:51,916 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:32:51,917 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:32:51,952 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 01:32:51,985 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7137-1: SUMMARY for call assume_abort_if_not((if 0 == (if #t~mem603#1 % 18446744073709551616 < ~size#1 % 18446744073709551616 then 1 else 0) then 0 else 1)); srcloc: null [2025-02-08 01:32:51,986 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7137: havoc #t~mem603#1;call #t~mem604#1 := read~int#4(~storage#1.base, ~storage#1.offset, 8);call #t~mem605#1 := read~int#5(~array#1.base, ~array#1.offset + (if #t~mem604#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then #t~mem604#1 % 18446744073709551616 % 18446744073709551616 else #t~mem604#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616), 1);call write~int#4(#t~mem605#1, ~storage#1.base, 8 + ~storage#1.offset, 1);havoc #t~mem604#1;havoc #t~mem605#1; [2025-02-08 01:32:51,986 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1;#t~ret602#1 := nondet_size_t_#res#1;havoc nondet_size_t_#t~nondet6#1;assume { :end_inline_nondet_size_t } true;call write~int#4(#t~ret602#1, ~storage#1.base, ~storage#1.offset, 8);havoc #t~ret602#1;call #t~mem603#1 := read~int#4(~storage#1.base, ~storage#1.offset, 8); [2025-02-08 01:32:51,996 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-08 01:32:52,016 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7727: havoc #t~nondet818; [2025-02-08 01:32:52,062 INFO L1324 $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; [2025-02-08 01:32:52,076 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:32:52,081 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc #t~mem477; [2025-02-08 01:32:58,915 INFO L? ?]: Removed 93 outVars from TransFormulas that were not future-live. [2025-02-08 01:32:58,915 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:32:58,922 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:32:58,923 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:32:58,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:32:58 BoogieIcfgContainer [2025-02-08 01:32:58,923 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:32:58,925 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:32:58,925 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:32:58,928 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:32:58,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:32:49" (1/3) ... [2025-02-08 01:32:58,929 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75f98074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:32:58, skipping insertion in model container [2025-02-08 01:32:58,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:51" (2/3) ... [2025-02-08 01:32:58,929 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75f98074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:32:58, skipping insertion in model container [2025-02-08 01:32:58,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:32:58" (3/3) ... [2025-02-08 01:32:58,929 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_eq_harness.i [2025-02-08 01:32:58,939 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:32:58,940 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_eq_harness.i that has 14 procedures, 147 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-08 01:32:58,982 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:32:58,990 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;@57b503c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:32:58,990 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:32:58,994 INFO L276 IsEmpty]: Start isEmpty. Operand has 147 states, 86 states have (on average 1.244186046511628) internal successors, (107), 88 states have internal predecessors, (107), 45 states have call successors, (45), 13 states have call predecessors, (45), 13 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-02-08 01:32:59,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-02-08 01:32:59,001 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:32:59,002 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:32:59,003 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:32:59,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:32:59,007 INFO L85 PathProgramCache]: Analyzing trace with hash -222074712, now seen corresponding path program 1 times [2025-02-08 01:32:59,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:32:59,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810405320] [2025-02-08 01:32:59,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:32:59,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:34:06,293 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-02-08 01:34:06,790 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-02-08 01:34:06,791 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:34:06,791 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:34:09,073 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2025-02-08 01:34:09,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:34:09,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810405320] [2025-02-08 01:34:09,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810405320] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:34:09,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650788615] [2025-02-08 01:34:09,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:34:09,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:34:09,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:34:09,079 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 01:34:09,080 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