./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 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_reserve_harness.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 a4daa63ade1fb1a2d170a844889a9f0ec321dcf3b8a50088706c45d113683668 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 07:00:04,682 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:00:04,727 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:00:04,733 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:00:04,734 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:00:04,748 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:00:04,749 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:00:04,749 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:00:04,749 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:00:04,749 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:00:04,749 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:00:04,749 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:00:04,749 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:00:04,749 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:00:04,749 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:00:04,749 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:00:04,749 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:00:04,749 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:00:04,750 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:00:04,750 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:00:04,750 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:00:04,750 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:00:04,750 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:00:04,750 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:00:04,750 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:00:04,750 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:00:04,750 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:00:04,750 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:00:04,750 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:00:04,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:00:04,750 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:00:04,750 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:00:04,750 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:00:04,752 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:00:04,752 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:00:04,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:00:04,752 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:00:04,752 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:00:04,752 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:00:04,752 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:00:04,752 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 -> a4daa63ade1fb1a2d170a844889a9f0ec321dcf3b8a50088706c45d113683668 [2025-03-17 07:00:04,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:00:04,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:00:04,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:00:04,956 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:00:04,956 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:00:04,957 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness.i [2025-03-17 07:00:06,083 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bb6b6b28/46d1d9f5409c4c4d838d7ce44e6c063b/FLAGa6ed38e43 [2025-03-17 07:00:06,522 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:00:06,523 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness.i [2025-03-17 07:00:06,554 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bb6b6b28/46d1d9f5409c4c4d838d7ce44e6c063b/FLAGa6ed38e43 [2025-03-17 07:00:06,567 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bb6b6b28/46d1d9f5409c4c4d838d7ce44e6c063b [2025-03-17 07:00:06,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:00:06,571 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:00:06,572 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:00:06,572 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:00:06,575 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:00:06,575 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:00:06" (1/1) ... [2025-03-17 07:00:06,576 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@504c2d4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:06, skipping insertion in model container [2025-03-17 07:00:06,576 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:00:06" (1/1) ... [2025-03-17 07:00:06,634 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:00:06,883 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_reserve_harness.i[4494,4507] [2025-03-17 07:00:06,892 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_reserve_harness.i[4554,4567] [2025-03-17 07:00:07,340 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:07,343 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:07,343 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:07,344 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:07,344 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:07,359 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:07,359 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:07,360 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:07,361 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:07,701 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:07,702 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:07,768 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:07,768 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:07,825 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:00:07,861 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:00:07,872 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_reserve_harness.i[4494,4507] [2025-03-17 07:00:07,873 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_reserve_harness.i[4554,4567] [2025-03-17 07:00:07,906 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:07,906 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:07,906 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:07,907 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:07,908 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:07,914 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:07,914 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:07,915 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:07,915 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:08,011 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:08,013 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:08,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8315] [2025-03-17 07:00:08,048 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:08,048 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:08,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8801-8812] [2025-03-17 07:00:08,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:00:08,211 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:00:08,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:08 WrapperNode [2025-03-17 07:00:08,211 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:00:08,212 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:00:08,212 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:00:08,212 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:00:08,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:08" (1/1) ... [2025-03-17 07:00:08,276 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:08" (1/1) ... [2025-03-17 07:00:08,338 INFO L138 Inliner]: procedures = 681, calls = 2619, calls flagged for inlining = 60, calls inlined = 10, statements flattened = 965 [2025-03-17 07:00:08,338 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:00:08,339 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:00:08,339 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:00:08,339 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:00:08,346 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:08" (1/1) ... [2025-03-17 07:00:08,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:08" (1/1) ... [2025-03-17 07:00:08,352 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:08" (1/1) ... [2025-03-17 07:00:08,391 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-03-17 07:00:08,391 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:08" (1/1) ... [2025-03-17 07:00:08,392 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:08" (1/1) ... [2025-03-17 07:00:08,410 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:08" (1/1) ... [2025-03-17 07:00:08,412 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:08" (1/1) ... [2025-03-17 07:00:08,415 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:08" (1/1) ... [2025-03-17 07:00:08,417 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:08" (1/1) ... [2025-03-17 07:00:08,428 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:00:08,429 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:00:08,429 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:00:08,429 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:00:08,430 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:08" (1/1) ... [2025-03-17 07:00:08,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:00:08,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:00:08,464 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) [2025-03-17 07:00:08,467 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 [2025-03-17 07:00:08,484 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-17 07:00:08,485 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-17 07:00:08,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:00:08,485 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 07:00:08,485 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 07:00:08,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-03-17 07:00:08,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-17 07:00:08,485 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-17 07:00:08,485 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-17 07:00:08,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:00:08,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:00:08,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:00:08,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:00:08,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-03-17 07:00:08,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:00:08,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:00:08,486 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:00:08,486 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:00:08,486 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2025-03-17 07:00:08,486 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2025-03-17 07:00:08,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-03-17 07:00:08,486 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_reserve [2025-03-17 07:00:08,487 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_reserve [2025-03-17 07:00:08,488 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-03-17 07:00:08,488 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-03-17 07:00:08,488 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:00:08,488 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:00:08,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:00:08,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-03-17 07:00:08,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-03-17 07:00:08,488 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-17 07:00:08,488 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-17 07:00:08,488 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-17 07:00:08,488 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-17 07:00:08,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-17 07:00:08,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-17 07:00:08,696 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:00:08,697 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:00:08,739 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-17 07:00:08,786 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7423: havoc #t~mem683;havoc #t~mem684;havoc #t~short685;havoc #t~mem686.base, #t~mem686.offset;havoc #t~short687;havoc #t~mem688;havoc #t~mem689;havoc #t~mem690;havoc #t~short691;havoc #t~mem692;havoc #t~mem693.base, #t~mem693.offset;havoc #t~short694;havoc #t~short695;havoc #t~short696;havoc #t~short697; [2025-03-17 07:00:08,792 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 07:00:08,869 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L8066-2: havoc #t~ret962#1; [2025-03-17 07:00:08,869 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7094: havoc aws_mem_realloc_#t~ret593#1; [2025-03-17 07:00:08,869 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L8067-2: havoc #t~ret964#1; [2025-03-17 07:00:08,922 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L268: havoc nondet_voidp_#t~nondet11#1; [2025-03-17 07:00:08,923 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6918: havoc #t~ret566#1;havoc #t~ite568#1.base, #t~ite568#1.offset;havoc #t~realloc~res567#1.base, #t~realloc~res567#1.offset; [2025-03-17 07:00:08,923 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6916: havoc #t~ret565#1.base, #t~ret565#1.offset; [2025-03-17 07:00:08,925 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-17 07:00:15,482 INFO L1322 $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; [2025-03-17 07:00:15,647 INFO L? ?]: Removed 113 outVars from TransFormulas that were not future-live. [2025-03-17 07:00:15,647 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:00:15,655 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:00:15,655 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:00:15,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:00:15 BoogieIcfgContainer [2025-03-17 07:00:15,656 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:00:15,658 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:00:15,658 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:00:15,661 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:00:15,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:00:06" (1/3) ... [2025-03-17 07:00:15,662 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556a43b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:00:15, skipping insertion in model container [2025-03-17 07:00:15,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:08" (2/3) ... [2025-03-17 07:00:15,662 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556a43b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:00:15, skipping insertion in model container [2025-03-17 07:00:15,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:00:15" (3/3) ... [2025-03-17 07:00:15,663 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_harness.i [2025-03-17 07:00:15,672 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:00:15,674 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_reserve_harness.i that has 12 procedures, 149 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-03-17 07:00:15,718 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:00:15,728 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;@44591e4a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:00:15,728 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:00:15,733 INFO L276 IsEmpty]: Start isEmpty. Operand has 149 states, 100 states have (on average 1.3) internal successors, (130), 100 states have internal predecessors, (130), 37 states have call successors, (37), 11 states have call predecessors, (37), 11 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2025-03-17 07:00:15,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-03-17 07:00:15,740 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:00:15,740 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-17 07:00:15,741 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:00:15,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:00:15,746 INFO L85 PathProgramCache]: Analyzing trace with hash 816171843, now seen corresponding path program 1 times [2025-03-17 07:00:15,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:00:15,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580684997] [2025-03-17 07:00:15,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:00:15,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:01:21,602 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-17 07:01:22,132 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-17 07:01:22,133 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:01:22,133 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:01:22,996 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-03-17 07:01:22,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:01:22,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580684997] [2025-03-17 07:01:22,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580684997] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:01:22,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1537265695] [2025-03-17 07:01:22,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:01:22,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:01:22,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:01:23,003 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) [2025-03-17 07:01:23,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process