./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 798a7b37 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-?-798a7b3-m [2025-03-04 02:41:31,307 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:41:31,366 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:41:31,372 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:41:31,373 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:41:31,392 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:41:31,393 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:41:31,393 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:41:31,393 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:41:31,394 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:41:31,394 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:41:31,394 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:41:31,395 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:41:31,395 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:41:31,395 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:41:31,395 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:41:31,395 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:41:31,395 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:41:31,395 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:41:31,396 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:41:31,396 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:41:31,396 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:41:31,396 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:41:31,396 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:41:31,396 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:41:31,396 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:41:31,396 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:41:31,397 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:41:31,397 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:41:31,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:41:31,397 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:41:31,397 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:41:31,397 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:41:31,397 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:41:31,398 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:41:31,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:41:31,398 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:41:31,398 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:41:31,398 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:41:31,398 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:41:31,398 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 [2025-03-04 02:41:31,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:41:31,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:41:31,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:41:31,648 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:41:31,648 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:41:31,649 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness.i [2025-03-04 02:41:32,852 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f699b22d/c985bca46e5f4588a8a3ce93be04ab54/FLAGad82816ef [2025-03-04 02:41:33,287 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:41:33,287 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness.i [2025-03-04 02:41:33,314 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f699b22d/c985bca46e5f4588a8a3ce93be04ab54/FLAGad82816ef [2025-03-04 02:41:33,330 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f699b22d/c985bca46e5f4588a8a3ce93be04ab54 [2025-03-04 02:41:33,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:41:33,333 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:41:33,334 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:41:33,334 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:41:33,337 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:41:33,338 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:41:33" (1/1) ... [2025-03-04 02:41:33,340 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e7936b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:33, skipping insertion in model container [2025-03-04 02:41:33,340 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:41:33" (1/1) ... [2025-03-04 02:41:33,414 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:41:33,629 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] [2025-03-04 02:41:33,636 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] [2025-03-04 02:41:34,163 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:34,164 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:34,164 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:34,165 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:34,165 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:34,173 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:34,173 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:34,174 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:34,175 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:34,523 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:34,523 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:34,582 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:34,582 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:34,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:41:34,683 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:41:34,694 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] [2025-03-04 02:41:34,698 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] [2025-03-04 02:41:34,736 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:34,737 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:34,737 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:34,738 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:34,738 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:34,744 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:34,744 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:34,745 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:34,745 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:34,842 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:34,842 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:34,877 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8315] [2025-03-04 02:41:34,879 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:34,880 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:34,890 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8801-8812] [2025-03-04 02:41:34,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:41:35,082 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:41:35,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:35 WrapperNode [2025-03-04 02:41:35,084 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:41:35,085 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:41:35,085 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:41:35,085 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:41:35,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:35" (1/1) ... [2025-03-04 02:41:35,143 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:35" (1/1) ... [2025-03-04 02:41:35,202 INFO L138 Inliner]: procedures = 681, calls = 2619, calls flagged for inlining = 60, calls inlined = 10, statements flattened = 965 [2025-03-04 02:41:35,202 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:41:35,203 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:41:35,203 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:41:35,203 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:41:35,211 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:35" (1/1) ... [2025-03-04 02:41:35,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:35" (1/1) ... [2025-03-04 02:41:35,217 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:35" (1/1) ... [2025-03-04 02:41:35,257 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-03-04 02:41:35,258 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:35" (1/1) ... [2025-03-04 02:41:35,258 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:35" (1/1) ... [2025-03-04 02:41:35,295 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:35" (1/1) ... [2025-03-04 02:41:35,297 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:35" (1/1) ... [2025-03-04 02:41:35,308 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:35" (1/1) ... [2025-03-04 02:41:35,311 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:35" (1/1) ... [2025-03-04 02:41:35,320 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:41:35,323 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:41:35,323 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:41:35,323 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:41:35,324 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:35" (1/1) ... [2025-03-04 02:41:35,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:41:35,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:41:35,370 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) [2025-03-04 02:41:35,372 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 [2025-03-04 02:41:35,389 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-04 02:41:35,390 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-04 02:41:35,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:41:35,390 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 02:41:35,390 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 02:41:35,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-03-04 02:41:35,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-04 02:41:35,390 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-04 02:41:35,390 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-04 02:41:35,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:41:35,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:41:35,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:41:35,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:41:35,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-03-04 02:41:35,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:41:35,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:41:35,391 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:41:35,391 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:41:35,391 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2025-03-04 02:41:35,391 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2025-03-04 02:41:35,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-03-04 02:41:35,391 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_reserve [2025-03-04 02:41:35,391 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_reserve [2025-03-04 02:41:35,392 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-03-04 02:41:35,392 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-03-04 02:41:35,392 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:41:35,392 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:41:35,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:41:35,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-03-04 02:41:35,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-03-04 02:41:35,392 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 02:41:35,392 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 02:41:35,392 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-04 02:41:35,392 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-04 02:41:35,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-04 02:41:35,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-04 02:41:35,603 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:41:35,606 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:41:35,630 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 02:41:35,697 INFO L1325 $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; [2025-03-04 02:41:35,708 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 02:41:35,810 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8066-2: havoc #t~ret962#1; [2025-03-04 02:41:35,810 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7094: havoc aws_mem_realloc_#t~ret593#1; [2025-03-04 02:41:35,810 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8067-2: havoc #t~ret964#1; [2025-03-04 02:41:35,841 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L268: havoc nondet_voidp_#t~nondet11#1; [2025-03-04 02:41:35,842 INFO L1325 $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; [2025-03-04 02:41:35,842 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6916: havoc #t~ret565#1.base, #t~ret565#1.offset; [2025-03-04 02:41:35,843 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-04 02:41:42,472 INFO L1325 $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; [2025-03-04 02:41:42,546 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2025-03-04 02:41:42,546 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:41:42,558 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:41:42,559 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:41:42,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:41:42 BoogieIcfgContainer [2025-03-04 02:41:42,559 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:41:42,561 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:41:42,561 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:41:42,564 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:41:42,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:41:33" (1/3) ... [2025-03-04 02:41:42,566 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2af67bbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:41:42, skipping insertion in model container [2025-03-04 02:41:42,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:35" (2/3) ... [2025-03-04 02:41:42,566 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2af67bbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:41:42, skipping insertion in model container [2025-03-04 02:41:42,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:41:42" (3/3) ... [2025-03-04 02:41:42,567 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_harness.i [2025-03-04 02:41:42,578 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:41:42,579 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_reserve_harness.i that has 12 procedures, 154 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-03-04 02:41:42,625 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:41:42,635 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;@44c38384, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:41:42,635 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:41:42,638 INFO L276 IsEmpty]: Start isEmpty. Operand has 154 states, 105 states have (on average 1.2857142857142858) internal successors, (135), 105 states have internal predecessors, (135), 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) [2025-03-04 02:41:42,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-03-04 02:41:42,648 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:41:42,649 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, 1, 1] [2025-03-04 02:41:42,649 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:41:42,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:41:42,653 INFO L85 PathProgramCache]: Analyzing trace with hash -2125076472, now seen corresponding path program 1 times [2025-03-04 02:41:42,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:41:42,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795471535] [2025-03-04 02:41:42,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:41:42,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:42:50,289 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-04 02:42:50,871 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-04 02:42:50,871 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:42:50,871 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:42:51,599 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-03-04 02:42:51,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:42:51,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795471535] [2025-03-04 02:42:51,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795471535] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:42:51,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327881885] [2025-03-04 02:42:51,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:42:51,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:42:51,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:42:51,603 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) [2025-03-04 02:42:51,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process