./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 48c9605d 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.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 da48e5de3ccd5190fb3d3934a3d9d423de1f83d4587f9dc2fa1f3f18a9362190 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:35:36,209 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:35:36,259 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:35:36,263 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:35:36,264 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:35:36,283 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:35:36,284 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:35:36,284 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:35:36,285 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:35:36,285 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:35:36,285 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:35:36,285 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:35:36,285 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:35:36,285 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:35:36,285 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:35:36,286 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:35:36,286 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:35:36,286 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:35:36,286 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:35:36,286 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:35:36,286 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:35:36,286 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:35:36,286 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:35:36,286 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:35:36,286 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:35:36,286 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:35:36,286 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:35:36,286 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:35:36,286 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:35:36,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:35:36,286 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:35:36,286 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:35:36,286 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:35:36,286 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:35:36,286 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:35:36,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:35:36,286 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:35:36,287 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:35:36,287 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:35:36,287 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:35:36,287 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 -> da48e5de3ccd5190fb3d3934a3d9d423de1f83d4587f9dc2fa1f3f18a9362190 [2025-02-08 01:35:36,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:35:36,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:35:36,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:35:36,504 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:35:36,504 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:35:36,505 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i [2025-02-08 01:35:37,676 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/00598d5ae/05b75801463149a28694b70ee2e2fe00/FLAGbf5881a86 [2025-02-08 01:35:38,212 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:35:38,213 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i [2025-02-08 01:35:38,240 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/00598d5ae/05b75801463149a28694b70ee2e2fe00/FLAGbf5881a86 [2025-02-08 01:35:38,747 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/00598d5ae/05b75801463149a28694b70ee2e2fe00 [2025-02-08 01:35:38,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:35:38,750 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:35:38,751 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:35:38,751 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:35:38,753 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:35:38,754 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:35:38" (1/1) ... [2025-02-08 01:35:38,754 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eefc02b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:38, skipping insertion in model container [2025-02-08 01:35:38,754 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:35:38" (1/1) ... [2025-02-08 01:35:38,823 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:35:38,984 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.i[4503,4516] [2025-02-08 01:35:38,990 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.i[4563,4576] [2025-02-08 01:35:39,391 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:39,391 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:39,392 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:39,392 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:39,393 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:39,400 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:39,400 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:39,401 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:39,402 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:39,738 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:39,739 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:39,818 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:39,818 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:39,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:35:39,921 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:35:39,932 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.i[4503,4516] [2025-02-08 01:35:39,937 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.i[4563,4576] [2025-02-08 01:35:39,974 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:39,974 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:39,975 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:39,976 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:39,976 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:39,983 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:39,983 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:39,984 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:39,984 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:40,098 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:40,098 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:40,139 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8097] [2025-02-08 01:35:40,141 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:40,141 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:40,152 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8583-8594] [2025-02-08 01:35:40,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:35:40,333 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:35:40,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:40 WrapperNode [2025-02-08 01:35:40,340 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:35:40,341 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:35:40,341 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:35:40,341 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:35:40,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:40" (1/1) ... [2025-02-08 01:35:40,419 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:40" (1/1) ... [2025-02-08 01:35:40,487 INFO L138 Inliner]: procedures = 681, calls = 2499, calls flagged for inlining = 58, calls inlined = 13, statements flattened = 1020 [2025-02-08 01:35:40,492 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:35:40,492 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:35:40,492 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:35:40,492 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:35:40,499 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:40" (1/1) ... [2025-02-08 01:35:40,499 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:40" (1/1) ... [2025-02-08 01:35:40,508 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:40" (1/1) ... [2025-02-08 01:35:40,545 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-02-08 01:35:40,546 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:40" (1/1) ... [2025-02-08 01:35:40,546 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:40" (1/1) ... [2025-02-08 01:35:40,577 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:40" (1/1) ... [2025-02-08 01:35:40,579 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:40" (1/1) ... [2025-02-08 01:35:40,586 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:40" (1/1) ... [2025-02-08 01:35:40,588 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:40" (1/1) ... [2025-02-08 01:35:40,598 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:35:40,599 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:35:40,601 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:35:40,601 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:35:40,601 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:40" (1/1) ... [2025-02-08 01:35:40,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:35:40,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:35:40,630 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) [2025-02-08 01:35:40,632 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 [2025-02-08 01:35:40,650 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-08 01:35:40,651 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-08 01:35:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:35:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:35:40,651 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:35:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-02-08 01:35:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-02-08 01:35:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-08 01:35:40,651 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-08 01:35:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:35:40,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:35:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:35:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:35:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-02-08 01:35:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:35:40,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:35:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:35:40,651 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:35:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2025-02-08 01:35:40,651 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2025-02-08 01:35:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-02-08 01:35:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-02-08 01:35:40,651 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-02-08 01:35:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:35:40,651 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:35:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:35:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-02-08 01:35:40,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-02-08 01:35:40,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-02-08 01:35:40,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-02-08 01:35:40,652 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:35:40,652 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:35:40,652 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-02-08 01:35:40,652 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-02-08 01:35:40,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-08 01:35:40,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-08 01:35:40,873 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:35:40,875 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:35:40,923 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6880: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 01:35:40,973 INFO L1324 $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; [2025-02-08 01:35:40,978 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:35:41,032 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6910: havoc #t~ret565#1.base, #t~ret565#1.offset; [2025-02-08 01:35:41,032 INFO L1324 $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; [2025-02-08 01:35:41,032 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L268: havoc nondet_voidp_#t~nondet11#1;#t~ret565#1.base, #t~ret565#1.offset := nondet_voidp_#res#1.base, nondet_voidp_#res#1.offset;havoc nondet_voidp_#t~nondet11#1;assume { :end_inline_nondet_voidp } true;#res#1.base, #res#1.offset := #t~ret565#1.base, #t~ret565#1.offset;havoc #t~ret565#1.base, #t~ret565#1.offset; [2025-02-08 01:35:41,053 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-02-08 01:35:47,790 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7088: havoc aws_mem_realloc_#t~ret593#1; [2025-02-08 01:35:47,791 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7848-2: havoc aws_byte_buf_reserve_#t~ret901#1; [2025-02-08 01:35:47,791 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8798-1: SUMMARY for call __VERIFIER_assert((if 0 == aws_byte_buf_reserve_relative_harness_#t~ret1172#1 % 256 then 0 else 1)); srcloc: null [2025-02-08 01:35:47,791 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8798: havoc aws_byte_buf_reserve_relative_harness_#t~ret1172#1; [2025-02-08 01:35:47,791 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7849-2: havoc aws_byte_buf_reserve_#t~ret903#1; [2025-02-08 01:35:47,791 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7868-2: havoc aws_byte_buf_reserve_relative_#t~ret912#1; [2025-02-08 01:35:47,791 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-02-08 01:35:47,792 INFO L1324 $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; [2025-02-08 01:35:47,792 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7869-2: havoc aws_byte_buf_reserve_relative_#t~ret914#1; [2025-02-08 01:35:47,792 INFO L1324 $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;aws_byte_buf_reserve_relative_harness_#t~ret1172#1 := aws_byte_buf_has_allocator_#res#1;havoc aws_byte_buf_has_allocator_#t~mem479#1.base, aws_byte_buf_has_allocator_#t~mem479#1.offset, aws_byte_buf_has_allocator_#t~ret478#1.base, aws_byte_buf_has_allocator_#t~ret478#1.offset, aws_byte_buf_has_allocator_~buf#1.base, aws_byte_buf_has_allocator_~buf#1.offset;havoc aws_byte_buf_has_allocator_#in~buf#1.base, aws_byte_buf_has_allocator_#in~buf#1.offset;assume { :end_inline_aws_byte_buf_has_allocator } true; [2025-02-08 01:35:48,012 INFO L? ?]: Removed 124 outVars from TransFormulas that were not future-live. [2025-02-08 01:35:48,014 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:35:48,027 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:35:48,027 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:35:48,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:35:48 BoogieIcfgContainer [2025-02-08 01:35:48,028 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:35:48,030 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:35:48,030 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:35:48,032 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:35:48,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:35:38" (1/3) ... [2025-02-08 01:35:48,033 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a9a262 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:35:48, skipping insertion in model container [2025-02-08 01:35:48,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:40" (2/3) ... [2025-02-08 01:35:48,033 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a9a262 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:35:48, skipping insertion in model container [2025-02-08 01:35:48,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:35:48" (3/3) ... [2025-02-08 01:35:48,035 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_relative_harness.i [2025-02-08 01:35:48,047 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:35:48,048 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. [2025-02-08 01:35:48,093 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:35:48,101 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;@dec2cda, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:35:48,102 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:35:48,108 INFO L276 IsEmpty]: Start isEmpty. Operand has 157 states, 101 states have (on average 1.3663366336633664) internal successors, (138), 108 states have internal predecessors, (138), 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) [2025-02-08 01:35:48,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-08 01:35:48,114 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:35:48,115 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] [2025-02-08 01:35:48,115 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:35:48,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:35:48,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1761188596, now seen corresponding path program 1 times [2025-02-08 01:35:48,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:35:48,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092831035] [2025-02-08 01:35:48,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:35:48,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:37:10,678 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 01:37:11,134 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 01:37:11,135 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:37:11,135 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:37:11,741 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 01:37:11,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:37:11,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092831035] [2025-02-08 01:37:11,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092831035] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:37:11,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859241635] [2025-02-08 01:37:11,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:37:11,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:37:11,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:37:11,745 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) [2025-02-08 01:37:11,748 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