./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 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.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-?-c00e63d-m [2025-02-06 04:58:30,338 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 04:58:30,384 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 04:58:30,387 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 04:58:30,387 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 04:58:30,409 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 04:58:30,409 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 04:58:30,409 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 04:58:30,410 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 04:58:30,410 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 04:58:30,410 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 04:58:30,410 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 04:58:30,410 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 04:58:30,410 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 04:58:30,410 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 04:58:30,410 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 04:58:30,410 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 04:58:30,410 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 04:58:30,410 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 04:58:30,410 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 04:58:30,410 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 04:58:30,410 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 04:58:30,410 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 04:58:30,411 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 04:58:30,411 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 04:58:30,411 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 04:58:30,411 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 04:58:30,411 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 04:58:30,411 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 04:58:30,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:58:30,411 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 04:58:30,411 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 04:58:30,411 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 04:58:30,411 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 04:58:30,411 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 04:58:30,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 04:58:30,411 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 04:58:30,411 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 04:58:30,411 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 04:58:30,411 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 04:58:30,411 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 [2025-02-06 04:58:30,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 04:58:30,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 04:58:30,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 04:58:30,661 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 04:58:30,661 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 04:58:30,663 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i [2025-02-06 04:58:31,792 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e9525bb67/9e32e9c546894af19fe466e9b769a4db/FLAG2ed5feb7a [2025-02-06 04:58:32,232 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 04:58:32,232 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i [2025-02-06 04:58:32,264 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e9525bb67/9e32e9c546894af19fe466e9b769a4db/FLAG2ed5feb7a [2025-02-06 04:58:32,352 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e9525bb67/9e32e9c546894af19fe466e9b769a4db [2025-02-06 04:58:32,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 04:58:32,355 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 04:58:32,357 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 04:58:32,357 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 04:58:32,360 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 04:58:32,360 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:58:32" (1/1) ... [2025-02-06 04:58:32,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@609683aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:32, skipping insertion in model container [2025-02-06 04:58:32,361 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:58:32" (1/1) ... [2025-02-06 04:58:32,428 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 04:58:32,577 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] [2025-02-06 04:58:32,583 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] [2025-02-06 04:58:32,993 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:32,994 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:32,994 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:32,995 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:32,995 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:33,009 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:33,009 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:33,010 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:33,011 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:33,319 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:33,319 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:33,374 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:33,375 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:33,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:58:33,464 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 04:58:33,473 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] [2025-02-06 04:58:33,473 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] [2025-02-06 04:58:33,509 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:33,509 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:33,509 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:33,509 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:33,510 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:33,518 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:33,518 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:33,519 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:33,520 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:33,627 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:33,627 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:33,657 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8097] [2025-02-06 04:58:33,658 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:33,659 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:33,669 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8583-8594] [2025-02-06 04:58:33,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:58:33,826 INFO L204 MainTranslator]: Completed translation [2025-02-06 04:58:33,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:33 WrapperNode [2025-02-06 04:58:33,827 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 04:58:33,828 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 04:58:33,828 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 04:58:33,829 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 04:58:33,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:33" (1/1) ... [2025-02-06 04:58:33,888 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:33" (1/1) ... [2025-02-06 04:58:33,935 INFO L138 Inliner]: procedures = 681, calls = 2499, calls flagged for inlining = 58, calls inlined = 13, statements flattened = 1020 [2025-02-06 04:58:33,936 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 04:58:33,937 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 04:58:33,937 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 04:58:33,937 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 04:58:33,945 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:33" (1/1) ... [2025-02-06 04:58:33,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:33" (1/1) ... [2025-02-06 04:58:33,950 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:33" (1/1) ... [2025-02-06 04:58:33,991 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-02-06 04:58:33,992 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:33" (1/1) ... [2025-02-06 04:58:33,992 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:33" (1/1) ... [2025-02-06 04:58:34,027 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:33" (1/1) ... [2025-02-06 04:58:34,033 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:33" (1/1) ... [2025-02-06 04:58:34,039 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:33" (1/1) ... [2025-02-06 04:58:34,041 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:33" (1/1) ... [2025-02-06 04:58:34,045 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 04:58:34,046 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 04:58:34,046 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 04:58:34,046 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 04:58:34,047 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:33" (1/1) ... [2025-02-06 04:58:34,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:58:34,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:58:34,072 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 04:58:34,077 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 04:58:34,092 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-06 04:58:34,092 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-06 04:58:34,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 04:58:34,092 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 04:58:34,092 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 04:58:34,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-02-06 04:58:34,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-02-06 04:58:34,092 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-06 04:58:34,092 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-06 04:58:34,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 04:58:34,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 04:58:34,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 04:58:34,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 04:58:34,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-02-06 04:58:34,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 04:58:34,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 04:58:34,092 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 04:58:34,092 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 04:58:34,092 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2025-02-06 04:58:34,092 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2025-02-06 04:58:34,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-02-06 04:58:34,092 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-02-06 04:58:34,093 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-02-06 04:58:34,093 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 04:58:34,093 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 04:58:34,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 04:58:34,093 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-02-06 04:58:34,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-02-06 04:58:34,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-02-06 04:58:34,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-02-06 04:58:34,093 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 04:58:34,093 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 04:58:34,093 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-02-06 04:58:34,093 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-02-06 04:58:34,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-06 04:58:34,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-06 04:58:34,300 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 04:58:34,302 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 04:58:34,338 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6880: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 04:58:34,379 INFO L1309 $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; [2025-02-06 04:58:34,386 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 04:58:34,443 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6910: havoc #t~ret565#1.base, #t~ret565#1.offset; [2025-02-06 04:58:34,444 INFO L1309 $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; [2025-02-06 04:58:34,444 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L268: havoc nondet_voidp_#t~nondet11#1; [2025-02-06 04:58:34,475 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-02-06 04:58:41,004 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7088: havoc aws_mem_realloc_#t~ret593#1; [2025-02-06 04:58:41,005 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7848-2: havoc aws_byte_buf_reserve_#t~ret901#1; [2025-02-06 04:58:41,005 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7849-2: havoc aws_byte_buf_reserve_#t~ret903#1; [2025-02-06 04:58:41,005 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7868-2: havoc aws_byte_buf_reserve_relative_#t~ret912#1; [2025-02-06 04:58:41,005 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-02-06 04:58:41,005 INFO L1309 $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; [2025-02-06 04:58:41,005 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7869-2: havoc aws_byte_buf_reserve_relative_#t~ret914#1; [2025-02-06 04:58:41,005 INFO L1309 $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; [2025-02-06 04:58:41,099 INFO L? ?]: Removed 127 outVars from TransFormulas that were not future-live. [2025-02-06 04:58:41,100 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 04:58:41,110 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 04:58:41,111 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 04:58:41,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:58:41 BoogieIcfgContainer [2025-02-06 04:58:41,111 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 04:58:41,112 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 04:58:41,113 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 04:58:41,116 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 04:58:41,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 04:58:32" (1/3) ... [2025-02-06 04:58:41,116 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ef447cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:58:41, skipping insertion in model container [2025-02-06 04:58:41,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:33" (2/3) ... [2025-02-06 04:58:41,117 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ef447cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:58:41, skipping insertion in model container [2025-02-06 04:58:41,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:58:41" (3/3) ... [2025-02-06 04:58:41,118 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_relative_harness.i [2025-02-06 04:58:41,127 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 04:58:41,128 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_reserve_relative_harness.i that has 12 procedures, 164 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2025-02-06 04:58:41,160 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 04:58:41,169 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;@b0b1b76, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 04:58:41,170 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 04:58:41,173 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 04:58:41,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-02-06 04:58:41,181 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 04:58:41,182 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 04:58:41,182 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 04:58:41,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 04:58:41,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1465292533, now seen corresponding path program 1 times [2025-02-06 04:58:41,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 04:58:41,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573877274] [2025-02-06 04:58:41,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:58:41,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 04:59:48,151 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-06 04:59:48,641 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-06 04:59:48,641 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:59:48,641 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:59:49,292 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 04:59:49,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 04:59:49,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573877274] [2025-02-06 04:59:49,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573877274] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 04:59:49,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553361013] [2025-02-06 04:59:49,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:59:49,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 04:59:49,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:59:49,295 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 04:59:49,296 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