./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_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 abdf5eedefad76d9bd13f7d94286eab9c8ba6966165711daf80a608af314bb9b --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 04:58:00,655 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 04:58:00,710 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 04:58:00,717 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 04:58:00,719 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 04:58:00,739 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 04:58:00,741 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 04:58:00,741 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 04:58:00,742 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 04:58:00,742 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 04:58:00,743 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 04:58:00,743 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 04:58:00,743 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 04:58:00,743 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 04:58:00,744 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 04:58:00,744 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 04:58:00,744 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 04:58:00,744 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 04:58:00,744 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 04:58:00,744 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 04:58:00,744 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 04:58:00,744 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 04:58:00,744 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 04:58:00,745 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 04:58:00,745 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 04:58:00,745 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 04:58:00,745 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 04:58:00,745 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 04:58:00,745 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 04:58:00,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:58:00,745 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 04:58:00,745 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 04:58:00,745 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 04:58:00,746 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 04:58:00,746 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 04:58:00,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 04:58:00,746 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 04:58:00,746 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 04:58:00,746 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 04:58:00,746 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 04:58:00,746 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 -> abdf5eedefad76d9bd13f7d94286eab9c8ba6966165711daf80a608af314bb9b [2025-02-06 04:58:00,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 04:58:00,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 04:58:00,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 04:58:01,000 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 04:58:01,000 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 04:58:01,001 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness.i [2025-02-06 04:58:02,147 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1cc5e8bf0/2576688629a24479b49bb8e4808c4445/FLAG0ae4a627f [2025-02-06 04:58:02,632 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 04:58:02,633 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness.i [2025-02-06 04:58:02,664 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1cc5e8bf0/2576688629a24479b49bb8e4808c4445/FLAG0ae4a627f [2025-02-06 04:58:02,678 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1cc5e8bf0/2576688629a24479b49bb8e4808c4445 [2025-02-06 04:58:02,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 04:58:02,681 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 04:58:02,682 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 04:58:02,682 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 04:58:02,690 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 04:58:02,690 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:58:02" (1/1) ... [2025-02-06 04:58:02,691 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54e6622a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:02, skipping insertion in model container [2025-02-06 04:58:02,691 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:58:02" (1/1) ... [2025-02-06 04:58:02,759 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 04:58:02,936 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_init_copy_harness.i[4496,4509] [2025-02-06 04:58:02,943 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_init_copy_harness.i[4556,4569] [2025-02-06 04:58:03,401 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:03,402 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:03,402 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:03,403 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:03,404 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:03,411 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:03,412 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:03,413 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:03,413 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:03,840 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:03,840 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:03,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:58:03,999 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 04:58:04,009 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_init_copy_harness.i[4496,4509] [2025-02-06 04:58:04,013 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_init_copy_harness.i[4556,4569] [2025-02-06 04:58:04,044 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:04,045 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:04,045 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:04,046 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:04,046 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:04,051 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:04,052 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:04,053 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:04,054 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:04,139 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2025-02-06 04:58:04,143 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:04,143 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:04,152 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2025-02-06 04:58:04,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:58:04,331 INFO L204 MainTranslator]: Completed translation [2025-02-06 04:58:04,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:04 WrapperNode [2025-02-06 04:58:04,332 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 04:58:04,333 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 04:58:04,333 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 04:58:04,333 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 04:58:04,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:04" (1/1) ... [2025-02-06 04:58:04,402 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:04" (1/1) ... [2025-02-06 04:58:04,482 INFO L138 Inliner]: procedures = 680, calls = 2622, calls flagged for inlining = 63, calls inlined = 11, statements flattened = 945 [2025-02-06 04:58:04,483 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 04:58:04,483 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 04:58:04,483 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 04:58:04,483 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 04:58:04,490 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:04" (1/1) ... [2025-02-06 04:58:04,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:04" (1/1) ... [2025-02-06 04:58:04,495 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:04" (1/1) ... [2025-02-06 04:58:04,548 INFO L175 MemorySlicer]: Split 566 memory accesses to 5 slices as follows [257, 6, 2, 238, 63]. 45 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [0, 0, 2, 6, 9]. The 503 writes are split as follows [257, 2, 0, 232, 12]. [2025-02-06 04:58:04,548 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:04" (1/1) ... [2025-02-06 04:58:04,549 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:04" (1/1) ... [2025-02-06 04:58:04,575 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:04" (1/1) ... [2025-02-06 04:58:04,577 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:04" (1/1) ... [2025-02-06 04:58:04,588 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:04" (1/1) ... [2025-02-06 04:58:04,594 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:04" (1/1) ... [2025-02-06 04:58:04,605 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 04:58:04,606 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 04:58:04,606 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 04:58:04,606 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 04:58:04,607 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:04" (1/1) ... [2025-02-06 04:58:04,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:58:04,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:58:04,629 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 04:58:04,630 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 04:58:04,645 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-06 04:58:04,645 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-06 04:58:04,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 04:58:04,645 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 04:58:04,645 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 04:58:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-02-06 04:58:04,646 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-02-06 04:58:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 04:58:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 04:58:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 04:58:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 04:58:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 04:58:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 04:58:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 04:58:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 04:58:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 04:58:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 04:58:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-06 04:58:04,646 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-06 04:58:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 04:58:04,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 04:58:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 04:58:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 04:58:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 04:58:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 04:58:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 04:58:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 04:58:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 04:58:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-02-06 04:58:04,646 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-02-06 04:58:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 04:58:04,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 04:58:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 04:58:04,646 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 04:58:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-06 04:58:04,646 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-06 04:58:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 04:58:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 04:58:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 04:58:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 04:58:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 04:58:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-02-06 04:58:04,647 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-02-06 04:58:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-06 04:58:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-06 04:58:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-06 04:58:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-02-06 04:58:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-02-06 04:58:04,647 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-06 04:58:04,647 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-06 04:58:04,647 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-06 04:58:04,647 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-02-06 04:58:04,647 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-02-06 04:58:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 04:58:04,647 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 04:58:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-02-06 04:58:04,647 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-02-06 04:58:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-02-06 04:58:04,647 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-02-06 04:58:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 04:58:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 04:58:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 04:58:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 04:58:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 04:58:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 04:58:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 04:58:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 04:58:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 04:58:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 04:58:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 04:58:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 04:58:04,647 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 04:58:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 04:58:04,648 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 04:58:04,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 04:58:04,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 04:58:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 04:58:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 04:58:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 04:58:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 04:58:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 04:58:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 04:58:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 04:58:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 04:58:04,825 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 04:58:04,826 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 04:58:04,852 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 04:58:04,877 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 04:58:04,938 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6900: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2025-02-06 04:58:04,988 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7399: havoc #t~mem682;havoc #t~mem683;havoc #t~short684;havoc #t~mem685.base, #t~mem685.offset;havoc #t~short686;havoc #t~mem687;havoc #t~mem688;havoc #t~mem689;havoc #t~short690;havoc #t~mem691;havoc #t~mem692.base, #t~mem692.offset;havoc #t~short693;havoc #t~short694;havoc #t~short695;havoc #t~short696; [2025-02-06 04:58:05,016 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 04:58:05,020 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6925: havoc #t~ret569.base, #t~ret569.offset; [2025-02-06 04:58:05,060 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7342: havoc #t~ret657.base, #t~ret657.offset; [2025-02-06 04:58:11,764 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7373-2: havoc aws_byte_buf_init_copy_#t~ret665#1; [2025-02-06 04:58:11,764 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-02-06 04:58:11,765 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6606: havoc aws_byte_buf_has_allocator_#t~mem479#1.base, aws_byte_buf_has_allocator_#t~mem479#1.offset;havoc aws_byte_buf_has_allocator_#t~ret478#1.base, aws_byte_buf_has_allocator_#t~ret478#1.offset; [2025-02-06 04:58:11,765 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-02-06 04:58:11,840 INFO L? ?]: Removed 154 outVars from TransFormulas that were not future-live. [2025-02-06 04:58:11,841 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 04:58:11,849 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 04:58:11,849 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 04:58:11,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:58:11 BoogieIcfgContainer [2025-02-06 04:58:11,850 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 04:58:11,851 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 04:58:11,852 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 04:58:11,855 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 04:58:11,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 04:58:02" (1/3) ... [2025-02-06 04:58:11,856 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31ce86cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:58:11, skipping insertion in model container [2025-02-06 04:58:11,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:04" (2/3) ... [2025-02-06 04:58:11,856 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31ce86cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:58:11, skipping insertion in model container [2025-02-06 04:58:11,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:58:11" (3/3) ... [2025-02-06 04:58:11,857 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_init_copy_harness.i [2025-02-06 04:58:11,868 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 04:58:11,869 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_init_copy_harness.i that has 20 procedures, 202 locations, 1 initial locations, 9 loop locations, and 1 error locations. [2025-02-06 04:58:11,907 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 04:58:11,915 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;@4e95b362, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 04:58:11,915 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 04:58:11,919 INFO L276 IsEmpty]: Start isEmpty. Operand has 186 states, 120 states have (on average 1.2416666666666667) internal successors, (149), 122 states have internal predecessors, (149), 49 states have call successors, (49), 15 states have call predecessors, (49), 15 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2025-02-06 04:58:11,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-02-06 04:58:11,926 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 04:58:11,927 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 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] [2025-02-06 04:58:11,927 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 04:58:11,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 04:58:11,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1376570780, now seen corresponding path program 1 times [2025-02-06 04:58:11,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 04:58:11,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578781256] [2025-02-06 04:58:11,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:58:11,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 04:59:16,918 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-02-06 04:59:17,344 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-02-06 04:59:17,345 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:59:17,345 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:59:18,001 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 04:59:18,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 04:59:18,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578781256] [2025-02-06 04:59:18,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578781256] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 04:59:18,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1156024598] [2025-02-06 04:59:18,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:59:18,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 04:59:18,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:59:18,005 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 04:59:18,007 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