./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 f5dd39c48ce76f8326a75ac77da422c73e3ef3e01f39ceb8a7824c99e1b5196d --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 17:52:20,349 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 17:52:20,391 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 17:52:20,394 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 17:52:20,394 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 17:52:20,411 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 17:52:20,412 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 17:52:20,412 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 17:52:20,412 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 17:52:20,412 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 17:52:20,413 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 17:52:20,413 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 17:52:20,413 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 17:52:20,414 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 17:52:20,414 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 17:52:20,414 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 17:52:20,414 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 17:52:20,414 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 17:52:20,414 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 17:52:20,414 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 17:52:20,414 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 17:52:20,415 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 17:52:20,415 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 17:52:20,415 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 17:52:20,415 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 17:52:20,415 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 17:52:20,415 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 17:52:20,415 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 17:52:20,415 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 17:52:20,415 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:52:20,415 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 17:52:20,416 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 17:52:20,416 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 17:52:20,416 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 17:52:20,416 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 17:52:20,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 17:52:20,416 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 17:52:20,416 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 17:52:20,416 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 17:52:20,416 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 17:52:20,416 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/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 -> f5dd39c48ce76f8326a75ac77da422c73e3ef3e01f39ceb8a7824c99e1b5196d [2025-03-08 17:52:20,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 17:52:20,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 17:52:20,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 17:52:20,655 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 17:52:20,655 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 17:52:20,656 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness_negated.i [2025-03-08 17:52:21,770 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcbe5eabf/d8c00c355d2944bca20864612942e284/FLAG9b4b7223b [2025-03-08 17:52:22,226 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 17:52:22,227 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness_negated.i [2025-03-08 17:52:22,267 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcbe5eabf/d8c00c355d2944bca20864612942e284/FLAG9b4b7223b [2025-03-08 17:52:22,343 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcbe5eabf/d8c00c355d2944bca20864612942e284 [2025-03-08 17:52:22,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 17:52:22,346 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 17:52:22,347 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 17:52:22,347 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 17:52:22,351 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 17:52:22,351 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:52:22" (1/1) ... [2025-03-08 17:52:22,353 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a1d70a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:22, skipping insertion in model container [2025-03-08 17:52:22,354 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:52:22" (1/1) ... [2025-03-08 17:52:22,444 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 17:52:22,633 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness_negated.i[4496,4509] [2025-03-08 17:52:22,640 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness_negated.i[4556,4569] [2025-03-08 17:52:23,053 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:23,054 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:23,054 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:23,055 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:23,055 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:23,064 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:23,064 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:23,066 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:23,066 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:23,451 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:23,452 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:23,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:52:23,557 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 17:52:23,565 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness_negated.i[4496,4509] [2025-03-08 17:52:23,565 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness_negated.i[4556,4569] [2025-03-08 17:52:23,592 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:23,592 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:23,592 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:23,592 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:23,593 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:23,597 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:23,597 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:23,597 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:23,598 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:23,673 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2025-03-08 17:52:23,675 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:23,675 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:23,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2025-03-08 17:52:23,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:52:23,868 INFO L204 MainTranslator]: Completed translation [2025-03-08 17:52:23,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:23 WrapperNode [2025-03-08 17:52:23,869 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 17:52:23,870 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 17:52:23,870 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 17:52:23,870 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 17:52:23,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:23" (1/1) ... [2025-03-08 17:52:23,934 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:23" (1/1) ... [2025-03-08 17:52:23,980 INFO L138 Inliner]: procedures = 680, calls = 2622, calls flagged for inlining = 63, calls inlined = 11, statements flattened = 945 [2025-03-08 17:52:23,981 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 17:52:23,981 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 17:52:23,981 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 17:52:23,981 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 17:52:23,989 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:23" (1/1) ... [2025-03-08 17:52:23,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:23" (1/1) ... [2025-03-08 17:52:23,994 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:23" (1/1) ... [2025-03-08 17:52:24,042 INFO L175 MemorySlicer]: Split 566 memory accesses to 5 slices as follows [2, 257, 238, 63, 6]. 45 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 9, 0]. The 503 writes are split as follows [0, 257, 232, 12, 2]. [2025-03-08 17:52:24,042 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:23" (1/1) ... [2025-03-08 17:52:24,042 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:23" (1/1) ... [2025-03-08 17:52:24,067 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:23" (1/1) ... [2025-03-08 17:52:24,069 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:23" (1/1) ... [2025-03-08 17:52:24,076 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:23" (1/1) ... [2025-03-08 17:52:24,078 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:23" (1/1) ... [2025-03-08 17:52:24,092 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 17:52:24,095 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 17:52:24,095 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 17:52:24,095 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 17:52:24,096 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:23" (1/1) ... [2025-03-08 17:52:24,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:52:24,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:52:24,119 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 17:52:24,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 17:52:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-08 17:52:24,138 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-08 17:52:24,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 17:52:24,138 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 17:52:24,139 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 17:52:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-03-08 17:52:24,139 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-03-08 17:52:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 17:52:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 17:52:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 17:52:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 17:52:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 17:52:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 17:52:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 17:52:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 17:52:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 17:52:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 17:52:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-08 17:52:24,140 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-08 17:52:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 17:52:24,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 17:52:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 17:52:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 17:52:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 17:52:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 17:52:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 17:52:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 17:52:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 17:52:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-03-08 17:52:24,141 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-03-08 17:52:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 17:52:24,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 17:52:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 17:52:24,141 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 17:52:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-08 17:52:24,141 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-08 17:52:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 17:52:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 17:52:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 17:52:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 17:52:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 17:52:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-08 17:52:24,141 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-08 17:52:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-08 17:52:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-08 17:52:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-08 17:52:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-08 17:52:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-08 17:52:24,141 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-08 17:52:24,141 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-08 17:52:24,141 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-08 17:52:24,141 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-08 17:52:24,141 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-08 17:52:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 17:52:24,141 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 17:52:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-03-08 17:52:24,141 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-03-08 17:52:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-03-08 17:52:24,141 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-03-08 17:52:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 17:52:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 17:52:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 17:52:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 17:52:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 17:52:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 17:52:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 17:52:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 17:52:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 17:52:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 17:52:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 17:52:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 17:52:24,142 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 17:52:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-08 17:52:24,142 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-08 17:52:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 17:52:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 17:52:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 17:52:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 17:52:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 17:52:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 17:52:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 17:52:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 17:52:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 17:52:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 17:52:24,383 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 17:52:24,385 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 17:52:24,412 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-08 17:52:24,449 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-08 17:52:24,491 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6888: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2025-03-08 17:52:24,532 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7367: 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; [2025-03-08 17:52:24,548 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 17:52:24,554 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6913: havoc #t~ret569.base, #t~ret569.offset; [2025-03-08 17:52:24,596 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7310: havoc #t~ret657.base, #t~ret657.offset; [2025-03-08 17:52:31,096 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6594: 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; [2025-03-08 17:52:31,096 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-08 17:52:31,096 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-08 17:52:31,096 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7341-2: havoc aws_byte_buf_init_copy_#t~ret665#1; [2025-03-08 17:52:31,145 INFO L? ?]: Removed 154 outVars from TransFormulas that were not future-live. [2025-03-08 17:52:31,146 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 17:52:31,156 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 17:52:31,160 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 17:52:31,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:52:31 BoogieIcfgContainer [2025-03-08 17:52:31,161 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 17:52:31,162 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 17:52:31,162 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 17:52:31,165 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 17:52:31,165 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 05:52:22" (1/3) ... [2025-03-08 17:52:31,166 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cfb0f04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:52:31, skipping insertion in model container [2025-03-08 17:52:31,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:23" (2/3) ... [2025-03-08 17:52:31,166 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cfb0f04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:52:31, skipping insertion in model container [2025-03-08 17:52:31,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:52:31" (3/3) ... [2025-03-08 17:52:31,167 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_init_copy_harness_negated.i [2025-03-08 17:52:31,176 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 17:52:31,177 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_init_copy_harness_negated.i that has 20 procedures, 199 locations, 1 initial locations, 9 loop locations, and 1 error locations. [2025-03-08 17:52:31,215 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 17:52:31,224 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;@52364390, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 17:52:31,225 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 17:52:31,228 INFO L276 IsEmpty]: Start isEmpty. Operand has 183 states, 120 states have (on average 1.2166666666666666) internal successors, (146), 119 states have internal predecessors, (146), 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) [2025-03-08 17:52:31,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-03-08 17:52:31,236 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 17:52:31,236 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] [2025-03-08 17:52:31,237 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 17:52:31,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 17:52:31,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1994697526, now seen corresponding path program 1 times [2025-03-08 17:52:31,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 17:52:31,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326580101] [2025-03-08 17:52:31,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:52:31,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 17:53:35,353 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-03-08 17:53:35,843 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-03-08 17:53:35,843 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 17:53:35,844 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 17:53:36,495 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-08 17:53:36,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 17:53:36,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326580101] [2025-03-08 17:53:36,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326580101] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 17:53:36,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [739923068] [2025-03-08 17:53:36,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:53:36,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 17:53:36,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:53:36,499 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 17:53:36,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process