./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 159e2e7d83d3b6b4cf1f3ed2869e7b3577187883e3957f87f67106f5f6570745 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 04:59:10,129 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 04:59:10,173 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 04:59:10,179 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 04:59:10,181 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 04:59:10,202 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 04:59:10,204 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 04:59:10,204 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 04:59:10,204 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 04:59:10,204 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 04:59:10,205 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 04:59:10,205 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 04:59:10,205 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 04:59:10,206 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 04:59:10,206 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 04:59:10,206 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 04:59:10,206 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 04:59:10,206 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 04:59:10,206 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 04:59:10,207 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 04:59:10,207 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 04:59:10,207 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 04:59:10,207 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 04:59:10,207 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 04:59:10,207 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 04:59:10,207 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 04:59:10,207 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 04:59:10,207 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 04:59:10,207 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 04:59:10,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:59:10,207 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 04:59:10,208 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 04:59:10,208 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 04:59:10,208 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 04:59:10,208 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 04:59:10,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 04:59:10,208 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 04:59:10,208 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 04:59:10,209 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 04:59:10,209 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 04:59:10,209 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 159e2e7d83d3b6b4cf1f3ed2869e7b3577187883e3957f87f67106f5f6570745 [2025-02-06 04:59:10,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 04:59:10,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 04:59:10,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 04:59:10,411 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 04:59:10,411 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 04:59:10,413 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i [2025-02-06 04:59:11,518 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f57c5a76f/b7ce07ff2e2148e1ac555af4921b549e/FLAGd43f9e1a8 [2025-02-06 04:59:11,970 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 04:59:11,972 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i [2025-02-06 04:59:11,994 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f57c5a76f/b7ce07ff2e2148e1ac555af4921b549e/FLAGd43f9e1a8 [2025-02-06 04:59:12,007 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f57c5a76f/b7ce07ff2e2148e1ac555af4921b549e [2025-02-06 04:59:12,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 04:59:12,010 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 04:59:12,010 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 04:59:12,010 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 04:59:12,013 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 04:59:12,014 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:59:12" (1/1) ... [2025-02-06 04:59:12,014 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b6c844 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:12, skipping insertion in model container [2025-02-06 04:59:12,015 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:59:12" (1/1) ... [2025-02-06 04:59:12,078 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 04:59:12,245 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i[4503,4516] [2025-02-06 04:59:12,251 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i[4563,4576] [2025-02-06 04:59:12,660 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:12,660 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:12,661 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:12,661 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:12,663 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:12,672 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:12,672 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:12,673 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:12,674 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:13,016 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:13,016 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:13,093 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:13,094 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:13,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:59:13,204 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 04:59:13,213 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i[4503,4516] [2025-02-06 04:59:13,213 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i[4563,4576] [2025-02-06 04:59:13,240 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:13,240 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:13,240 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:13,241 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:13,241 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:13,245 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:13,246 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:13,246 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:13,246 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:13,294 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:13,294 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:13,325 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8085] [2025-02-06 04:59:13,327 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:13,327 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:13,337 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8571-8582] [2025-02-06 04:59:13,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:59:13,490 INFO L204 MainTranslator]: Completed translation [2025-02-06 04:59:13,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:13 WrapperNode [2025-02-06 04:59:13,491 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 04:59:13,492 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 04:59:13,492 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 04:59:13,492 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 04:59:13,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:13" (1/1) ... [2025-02-06 04:59:13,544 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:13" (1/1) ... [2025-02-06 04:59:13,598 INFO L138 Inliner]: procedures = 681, calls = 2499, calls flagged for inlining = 58, calls inlined = 13, statements flattened = 1020 [2025-02-06 04:59:13,599 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 04:59:13,599 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 04:59:13,599 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 04:59:13,599 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 04:59:13,610 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:13" (1/1) ... [2025-02-06 04:59:13,611 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:13" (1/1) ... [2025-02-06 04:59:13,617 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:13" (1/1) ... [2025-02-06 04:59:13,670 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-02-06 04:59:13,670 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:13" (1/1) ... [2025-02-06 04:59:13,670 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:13" (1/1) ... [2025-02-06 04:59:13,698 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:13" (1/1) ... [2025-02-06 04:59:13,703 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:13" (1/1) ... [2025-02-06 04:59:13,706 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:13" (1/1) ... [2025-02-06 04:59:13,712 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:13" (1/1) ... [2025-02-06 04:59:13,721 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 04:59:13,725 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 04:59:13,726 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 04:59:13,726 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 04:59:13,727 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:13" (1/1) ... [2025-02-06 04:59:13,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:59:13,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:59:13,752 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 04:59:13,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 04:59:13,770 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-06 04:59:13,771 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-06 04:59:13,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 04:59:13,772 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 04:59:13,772 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 04:59:13,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-02-06 04:59:13,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-02-06 04:59:13,772 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-06 04:59:13,772 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-06 04:59:13,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 04:59:13,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 04:59:13,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 04:59:13,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 04:59:13,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-02-06 04:59:13,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 04:59:13,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 04:59:13,773 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 04:59:13,773 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 04:59:13,773 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2025-02-06 04:59:13,773 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2025-02-06 04:59:13,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-02-06 04:59:13,773 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-02-06 04:59:13,773 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-02-06 04:59:13,773 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 04:59:13,773 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 04:59:13,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 04:59:13,773 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-02-06 04:59:13,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-02-06 04:59:13,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-02-06 04:59:13,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-02-06 04:59:13,773 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 04:59:13,773 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 04:59:13,774 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-02-06 04:59:13,774 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-02-06 04:59:13,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-06 04:59:13,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-06 04:59:13,981 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 04:59:13,982 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 04:59:14,017 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6868: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 04:59:14,064 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7193: 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; [2025-02-06 04:59:14,074 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 04:59:14,136 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6898: havoc #t~ret565#1.base, #t~ret565#1.offset; [2025-02-06 04:59:14,136 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6900: havoc #t~ret566#1;havoc #t~ite568#1.base, #t~ite568#1.offset;havoc #t~realloc~res567#1.base, #t~realloc~res567#1.offset; [2025-02-06 04:59:14,136 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L268: havoc nondet_voidp_#t~nondet11#1; [2025-02-06 04:59:14,152 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-02-06 04:59:20,717 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7856-2: havoc aws_byte_buf_reserve_relative_#t~ret912#1; [2025-02-06 04:59:20,717 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7865: 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; [2025-02-06 04:59:20,717 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7857-2: havoc aws_byte_buf_reserve_relative_#t~ret914#1; [2025-02-06 04:59:20,717 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6594: havoc aws_byte_buf_has_allocator_#t~mem479#1.base, aws_byte_buf_has_allocator_#t~mem479#1.offset;havoc aws_byte_buf_has_allocator_#t~ret478#1.base, aws_byte_buf_has_allocator_#t~ret478#1.offset; [2025-02-06 04:59:20,717 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-02-06 04:59:20,717 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7076: havoc aws_mem_realloc_#t~ret593#1; [2025-02-06 04:59:20,717 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7836-2: havoc aws_byte_buf_reserve_#t~ret901#1; [2025-02-06 04:59:20,717 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7837-2: havoc aws_byte_buf_reserve_#t~ret903#1; [2025-02-06 04:59:20,828 INFO L? ?]: Removed 127 outVars from TransFormulas that were not future-live. [2025-02-06 04:59:20,829 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 04:59:20,838 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 04:59:20,839 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 04:59:20,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:59:20 BoogieIcfgContainer [2025-02-06 04:59:20,840 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 04:59:20,841 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 04:59:20,841 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 04:59:20,844 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 04:59:20,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 04:59:12" (1/3) ... [2025-02-06 04:59:20,845 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45560597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:59:20, skipping insertion in model container [2025-02-06 04:59:20,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:13" (2/3) ... [2025-02-06 04:59:20,845 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45560597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:59:20, skipping insertion in model container [2025-02-06 04:59:20,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:59:20" (3/3) ... [2025-02-06 04:59:20,846 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_relative_harness_negated.i [2025-02-06 04:59:20,856 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 04:59:20,857 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_reserve_relative_harness_negated.i that has 12 procedures, 164 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2025-02-06 04:59:20,892 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 04:59:20,898 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;@6104fe38, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 04:59:20,898 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 04:59:20,901 INFO L276 IsEmpty]: Start isEmpty. Operand has 164 states, 113 states have (on average 1.3274336283185841) internal successors, (150), 114 states have internal predecessors, (150), 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) [2025-02-06 04:59:20,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-02-06 04:59:20,907 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 04:59:20,908 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, 1, 1, 1] [2025-02-06 04:59:20,908 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 04:59:20,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 04:59:20,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1465292533, now seen corresponding path program 1 times [2025-02-06 04:59:20,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 04:59:20,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285753276] [2025-02-06 04:59:20,917 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:59:20,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:00:29,628 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-06 05:00:30,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-06 05:00:30,238 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:00:30,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:00:31,082 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 05:00:31,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:00:31,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285753276] [2025-02-06 05:00:31,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285753276] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:00:31,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779908939] [2025-02-06 05:00:31,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:00:31,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:00:31,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:00:31,087 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 05:00:31,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process