./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_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_relative_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 da48e5de3ccd5190fb3d3934a3d9d423de1f83d4587f9dc2fa1f3f18a9362190 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 07:00:17,899 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:00:17,951 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:00:17,955 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:00:17,955 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:00:17,970 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:00:17,971 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:00:17,971 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:00:17,972 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:00:17,972 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:00:17,973 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:00:17,973 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:00:17,973 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:00:17,973 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:00:17,973 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:00:17,974 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:00:17,974 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:00:17,974 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:00:17,974 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:00:17,974 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:00:17,974 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:00:17,974 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:00:17,974 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:00:17,974 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:00:17,974 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:00:17,975 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:00:17,975 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:00:17,975 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:00:17,975 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:00:17,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:00:17,975 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:00:17,976 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:00:17,976 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:00:17,976 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:00:17,976 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:00:17,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:00:17,976 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:00:17,976 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:00:17,976 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:00:17,976 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:00:17,976 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 -> da48e5de3ccd5190fb3d3934a3d9d423de1f83d4587f9dc2fa1f3f18a9362190 [2025-03-17 07:00:18,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:00:18,191 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:00:18,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:00:18,193 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:00:18,193 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:00:18,194 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i [2025-03-17 07:00:19,331 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc0ca739c/51bbd1f69af34f9bbb179bf788571039/FLAG08d0c7bd3 [2025-03-17 07:00:19,841 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:00:19,841 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i [2025-03-17 07:00:19,880 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc0ca739c/51bbd1f69af34f9bbb179bf788571039/FLAG08d0c7bd3 [2025-03-17 07:00:19,898 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc0ca739c/51bbd1f69af34f9bbb179bf788571039 [2025-03-17 07:00:19,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:00:19,902 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:00:19,903 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:00:19,903 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:00:19,907 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:00:19,907 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:00:19" (1/1) ... [2025-03-17 07:00:19,908 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c8b7d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:19, skipping insertion in model container [2025-03-17 07:00:19,908 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:00:19" (1/1) ... [2025-03-17 07:00:19,987 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:00:20,185 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_relative_harness.i[4503,4516] [2025-03-17 07:00:20,193 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_relative_harness.i[4563,4576] [2025-03-17 07:00:20,652 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:20,652 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:20,653 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:20,656 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:20,656 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:20,670 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:20,670 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:20,671 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:20,672 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:20,985 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:20,985 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:21,042 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:21,043 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:21,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:00:21,169 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:00:21,183 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_relative_harness.i[4503,4516] [2025-03-17 07:00:21,183 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_relative_harness.i[4563,4576] [2025-03-17 07:00:21,226 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:21,228 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:21,229 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:21,229 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:21,230 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:21,234 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:21,237 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:21,238 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:21,238 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:21,289 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:21,290 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:21,317 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8097] [2025-03-17 07:00:21,318 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:21,318 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:21,331 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8583-8594] [2025-03-17 07:00:21,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:00:21,510 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:00:21,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:21 WrapperNode [2025-03-17 07:00:21,511 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:00:21,512 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:00:21,512 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:00:21,512 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:00:21,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:21" (1/1) ... [2025-03-17 07:00:21,579 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:21" (1/1) ... [2025-03-17 07:00:21,629 INFO L138 Inliner]: procedures = 681, calls = 2499, calls flagged for inlining = 58, calls inlined = 13, statements flattened = 1020 [2025-03-17 07:00:21,631 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:00:21,632 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:00:21,633 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:00:21,633 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:00:21,661 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:21" (1/1) ... [2025-03-17 07:00:21,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:21" (1/1) ... [2025-03-17 07:00:21,667 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:21" (1/1) ... [2025-03-17 07:00:21,708 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-03-17 07:00:21,709 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:21" (1/1) ... [2025-03-17 07:00:21,709 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:21" (1/1) ... [2025-03-17 07:00:21,731 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:21" (1/1) ... [2025-03-17 07:00:21,737 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:21" (1/1) ... [2025-03-17 07:00:21,745 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:21" (1/1) ... [2025-03-17 07:00:21,747 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:21" (1/1) ... [2025-03-17 07:00:21,752 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:00:21,753 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:00:21,753 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:00:21,753 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:00:21,754 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:21" (1/1) ... [2025-03-17 07:00:21,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:00:21,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:00:21,780 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 07:00:21,782 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 07:00:21,797 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-17 07:00:21,799 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-17 07:00:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:00:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 07:00:21,799 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 07:00:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-03-17 07:00:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-17 07:00:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-17 07:00:21,799 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-17 07:00:21,799 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:00:21,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:00:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:00:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:00:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-03-17 07:00:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:00:21,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:00:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:00:21,800 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:00:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2025-03-17 07:00:21,800 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2025-03-17 07:00:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-03-17 07:00:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-03-17 07:00:21,800 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-03-17 07:00:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:00:21,801 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:00:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:00:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-17 07:00:21,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-17 07:00:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-03-17 07:00:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-03-17 07:00:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-17 07:00:21,801 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-17 07:00:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-17 07:00:21,802 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-17 07:00:21,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-17 07:00:21,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-17 07:00:22,018 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:00:22,019 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:00:22,056 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6880: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-17 07:00:22,113 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7205: havoc #t~mem622;havoc #t~mem623;havoc #t~short624;havoc #t~mem625.base, #t~mem625.offset;havoc #t~short626;havoc #t~mem627;havoc #t~mem628;havoc #t~mem629;havoc #t~short630;havoc #t~mem631;havoc #t~mem632.base, #t~mem632.offset;havoc #t~short633;havoc #t~short634;havoc #t~short635;havoc #t~short636; [2025-03-17 07:00:22,125 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 07:00:22,184 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6910: havoc #t~ret565#1.base, #t~ret565#1.offset; [2025-03-17 07:00:22,184 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6912: 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 07:00:22,184 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L268: havoc nondet_voidp_#t~nondet11#1; [2025-03-17 07:00:22,202 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-17 07:00:28,967 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7088: havoc aws_mem_realloc_#t~ret593#1; [2025-03-17 07:00:28,968 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7848-2: havoc aws_byte_buf_reserve_#t~ret901#1; [2025-03-17 07:00:28,968 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7849-2: havoc aws_byte_buf_reserve_#t~ret903#1; [2025-03-17 07:00:28,968 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7868-2: havoc aws_byte_buf_reserve_relative_#t~ret912#1; [2025-03-17 07:00:28,968 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-17 07:00:28,968 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7877: havoc aws_byte_buf_reserve_relative_#t~mem918#1;havoc aws_byte_buf_reserve_relative_#t~ret919#1;call ULTIMATE.dealloc(aws_byte_buf_reserve_relative_~#requested_capacity~0#1.base, aws_byte_buf_reserve_relative_~#requested_capacity~0#1.offset);havoc aws_byte_buf_reserve_relative_~#requested_capacity~0#1.base, aws_byte_buf_reserve_relative_~#requested_capacity~0#1.offset; [2025-03-17 07:00:28,968 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7869-2: havoc aws_byte_buf_reserve_relative_#t~ret914#1; [2025-03-17 07:00:28,968 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 07:00:29,161 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2025-03-17 07:00:29,161 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:00:29,173 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:00:29,174 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:00:29,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:00:29 BoogieIcfgContainer [2025-03-17 07:00:29,176 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:00:29,178 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:00:29,178 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:00:29,181 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:00:29,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:00:19" (1/3) ... [2025-03-17 07:00:29,181 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d8870ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:00:29, skipping insertion in model container [2025-03-17 07:00:29,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:21" (2/3) ... [2025-03-17 07:00:29,181 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d8870ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:00:29, skipping insertion in model container [2025-03-17 07:00:29,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:00:29" (3/3) ... [2025-03-17 07:00:29,182 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_relative_harness.i [2025-03-17 07:00:29,191 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:00:29,193 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_reserve_relative_harness.i that has 12 procedures, 157 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2025-03-17 07:00:29,235 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:00:29,242 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;@73f18f15, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:00:29,242 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:00:29,245 INFO L276 IsEmpty]: Start isEmpty. Operand has 157 states, 108 states have (on average 1.3240740740740742) internal successors, (143), 107 states have internal predecessors, (143), 38 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2025-03-17 07:00:29,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-03-17 07:00:29,250 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:00:29,251 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-17 07:00:29,251 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:00:29,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:00:29,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1622348243, now seen corresponding path program 1 times [2025-03-17 07:00:29,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:00:29,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508894232] [2025-03-17 07:00:29,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:00:29,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:01:38,694 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-17 07:01:39,265 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-17 07:01:39,265 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:01:39,265 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:01:40,053 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-17 07:01:40,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:01:40,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508894232] [2025-03-17 07:01:40,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508894232] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:01:40,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919126208] [2025-03-17 07:01:40,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:01:40,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:01:40,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:01:40,057 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 07:01:40,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process