./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b821af0ce38cd94d2546ea5f369017836976e947e239c53cd008b4ecf58cc800 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 17:52:33,619 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 17:52:33,676 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 17:52:33,681 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 17:52:33,681 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 17:52:33,697 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 17:52:33,698 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 17:52:33,698 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 17:52:33,699 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 17:52:33,699 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 17:52:33,699 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 17:52:33,699 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 17:52:33,699 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 17:52:33,699 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 17:52:33,699 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 17:52:33,700 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 17:52:33,700 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 17:52:33,700 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 17:52:33,701 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 17:52:33,701 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 17:52:33,701 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 17:52:33,701 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 17:52:33,701 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 17:52:33,701 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 17:52:33,701 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 17:52:33,701 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 17:52:33,701 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 17:52:33,701 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 17:52:33,701 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 17:52:33,701 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:52:33,701 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 17:52:33,701 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 17:52:33,702 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 17:52:33,702 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 17:52:33,702 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 17:52:33,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 17:52:33,702 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 17:52:33,702 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 17:52:33,702 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 17:52:33,702 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 17:52:33,702 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b821af0ce38cd94d2546ea5f369017836976e947e239c53cd008b4ecf58cc800 [2025-03-08 17:52:33,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 17:52:33,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 17:52:33,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 17:52:33,941 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 17:52:33,941 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 17:52:33,943 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness_negated.i [2025-03-08 17:52:35,111 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a07218a0a/21aa947a87bb4426855cc9c7fc4a40a7/FLAG9bb1c446a [2025-03-08 17:52:35,580 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 17:52:35,580 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness_negated.i [2025-03-08 17:52:35,620 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a07218a0a/21aa947a87bb4426855cc9c7fc4a40a7/FLAG9bb1c446a [2025-03-08 17:52:35,639 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a07218a0a/21aa947a87bb4426855cc9c7fc4a40a7 [2025-03-08 17:52:35,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 17:52:35,643 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 17:52:35,645 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 17:52:35,645 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 17:52:35,650 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 17:52:35,650 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:52:35" (1/1) ... [2025-03-08 17:52:35,651 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b5cb647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:35, skipping insertion in model container [2025-03-08 17:52:35,651 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:52:35" (1/1) ... [2025-03-08 17:52:35,717 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 17:52:35,881 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness_negated.i[4491,4504] [2025-03-08 17:52:35,889 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness_negated.i[4551,4564] [2025-03-08 17:52:36,426 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:36,426 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:36,427 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:36,427 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:36,428 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:36,438 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:36,439 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:36,441 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:36,441 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:36,914 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:36,917 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:36,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:52:37,062 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 17:52:37,073 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness_negated.i[4491,4504] [2025-03-08 17:52:37,075 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness_negated.i[4551,4564] [2025-03-08 17:52:37,116 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:37,117 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:37,117 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:37,118 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:37,119 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:37,125 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:37,126 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:37,127 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:37,128 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:37,236 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8039] [2025-03-08 17:52:37,237 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:37,238 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:37,249 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8525-8536] [2025-03-08 17:52:37,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:52:37,439 INFO L204 MainTranslator]: Completed translation [2025-03-08 17:52:37,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:37 WrapperNode [2025-03-08 17:52:37,440 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 17:52:37,441 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 17:52:37,441 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 17:52:37,441 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 17:52:37,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:37" (1/1) ... [2025-03-08 17:52:37,523 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:37" (1/1) ... [2025-03-08 17:52:37,573 INFO L138 Inliner]: procedures = 679, calls = 2495, calls flagged for inlining = 55, calls inlined = 6, statements flattened = 790 [2025-03-08 17:52:37,574 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 17:52:37,574 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 17:52:37,575 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 17:52:37,575 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 17:52:37,582 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:37" (1/1) ... [2025-03-08 17:52:37,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:37" (1/1) ... [2025-03-08 17:52:37,588 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:37" (1/1) ... [2025-03-08 17:52:37,657 INFO L175 MemorySlicer]: Split 522 memory accesses to 5 slices as follows [2, 257, 5, 238, 20]. 49 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 5, 6, 4]. The 493 writes are split as follows [0, 257, 0, 232, 4]. [2025-03-08 17:52:37,657 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:37" (1/1) ... [2025-03-08 17:52:37,657 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:37" (1/1) ... [2025-03-08 17:52:37,676 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:37" (1/1) ... [2025-03-08 17:52:37,679 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:37" (1/1) ... [2025-03-08 17:52:37,683 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:37" (1/1) ... [2025-03-08 17:52:37,686 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:37" (1/1) ... [2025-03-08 17:52:37,692 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 17:52:37,693 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 17:52:37,693 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 17:52:37,693 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 17:52:37,694 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:37" (1/1) ... [2025-03-08 17:52:37,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:52:37,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:52:37,726 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 17:52:37,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 17:52:37,749 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-08 17:52:37,750 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-08 17:52:37,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 17:52:37,750 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 17:52:37,750 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 17:52:37,751 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-03-08 17:52:37,751 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-03-08 17:52:37,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 17:52:37,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 17:52:37,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 17:52:37,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 17:52:37,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 17:52:37,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 17:52:37,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 17:52:37,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 17:52:37,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 17:52:37,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 17:52:37,751 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-08 17:52:37,751 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-08 17:52:37,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 17:52:37,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 17:52:37,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 17:52:37,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 17:52:37,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 17:52:37,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 17:52:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 17:52:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 17:52:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 17:52:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 17:52:37,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 17:52:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 17:52:37,752 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 17:52:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 17:52:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 17:52:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 17:52:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 17:52:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 17:52:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-08 17:52:37,752 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-08 17:52:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 17:52:37,752 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 17:52:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-03-08 17:52:37,752 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-03-08 17:52:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 17:52:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 17:52:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 17:52:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 17:52:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 17:52:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 17:52:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 17:52:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 17:52:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 17:52:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 17:52:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 17:52:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 17:52:37,752 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 17:52:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 17:52:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 17:52:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 17:52:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 17:52:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 17:52:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 17:52:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 17:52:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 17:52:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 17:52:37,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 17:52:37,970 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 17:52:37,972 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 17:52:37,999 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6868: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-08 17:52:38,019 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6882: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2025-03-08 17:52:38,064 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7147: havoc #t~mem617;havoc #t~mem618;havoc #t~short619;havoc #t~mem620.base, #t~mem620.offset;havoc #t~short621;havoc #t~mem622;havoc #t~mem623;havoc #t~mem624;havoc #t~short625;havoc #t~mem626;havoc #t~mem627.base, #t~mem627.offset;havoc #t~short628;havoc #t~short629;havoc #t~short630;havoc #t~short631; [2025-03-08 17:52:38,075 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 17:52:38,079 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6907: havoc #t~ret569.base, #t~ret569.offset; [2025-03-08 17:52:44,817 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-08 17:52:44,838 INFO L? ?]: Removed 53 outVars from TransFormulas that were not future-live. [2025-03-08 17:52:44,839 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 17:52:44,848 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 17:52:44,848 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 17:52:44,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:52:44 BoogieIcfgContainer [2025-03-08 17:52:44,848 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 17:52:44,852 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 17:52:44,853 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 17:52:44,856 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 17:52:44,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 05:52:35" (1/3) ... [2025-03-08 17:52:44,858 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5549538d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:52:44, skipping insertion in model container [2025-03-08 17:52:44,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:37" (2/3) ... [2025-03-08 17:52:44,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5549538d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:52:44, skipping insertion in model container [2025-03-08 17:52:44,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:52:44" (3/3) ... [2025-03-08 17:52:44,860 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_init_harness_negated.i [2025-03-08 17:52:44,870 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 17:52:44,872 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_init_harness_negated.i that has 11 procedures, 100 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-08 17:52:44,907 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 17:52:44,916 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;@5a9e6c8b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 17:52:44,916 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 17:52:44,919 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 68 states have (on average 1.2352941176470589) internal successors, (84), 69 states have internal predecessors, (84), 20 states have call successors, (20), 10 states have call predecessors, (20), 10 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-08 17:52:44,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-03-08 17:52:44,926 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 17:52:44,926 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] [2025-03-08 17:52:44,926 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 17:52:44,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 17:52:44,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1913275732, now seen corresponding path program 1 times [2025-03-08 17:52:44,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 17:52:44,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881660671] [2025-03-08 17:52:44,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:52:44,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 17:53:53,012 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-03-08 17:53:53,554 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-03-08 17:53:53,555 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 17:53:53,555 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 17:53:54,238 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-08 17:53:54,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 17:53:54,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881660671] [2025-03-08 17:53:54,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881660671] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 17:53:54,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1726646441] [2025-03-08 17:53:54,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:53:54,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 17:53:54,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:53:54,242 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 17:53:54,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process