./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 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_init_harness_negated.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b821af0ce38cd94d2546ea5f369017836976e947e239c53cd008b4ecf58cc800 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:35:08,416 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:35:08,473 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:35:08,477 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:35:08,478 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:35:08,496 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:35:08,497 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:35:08,497 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:35:08,497 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:35:08,497 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:35:08,497 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:35:08,498 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:35:08,498 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:35:08,498 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:35:08,498 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:35:08,498 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:35:08,498 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:35:08,499 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:35:08,499 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:35:08,499 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:35:08,499 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:35:08,499 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:35:08,499 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:35:08,499 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:35:08,499 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:35:08,500 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:35:08,500 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:35:08,500 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:35:08,500 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:35:08,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:35:08,500 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:35:08,500 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:35:08,500 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:35:08,501 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:35:08,501 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:35:08,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:35:08,501 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:35:08,501 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:35:08,501 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:35:08,501 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:35:08,501 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 -> b821af0ce38cd94d2546ea5f369017836976e947e239c53cd008b4ecf58cc800 [2025-02-08 01:35:08,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:35:08,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:35:08,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:35:08,760 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:35:08,761 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:35:08,762 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness_negated.i [2025-02-08 01:35:10,050 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7505d7987/0ff3fd105fc84caab1a64528e102386e/FLAG775c2e87a [2025-02-08 01:35:10,560 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:35:10,561 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness_negated.i [2025-02-08 01:35:10,604 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7505d7987/0ff3fd105fc84caab1a64528e102386e/FLAG775c2e87a [2025-02-08 01:35:10,623 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7505d7987/0ff3fd105fc84caab1a64528e102386e [2025-02-08 01:35:10,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:35:10,628 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:35:10,630 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:35:10,630 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:35:10,634 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:35:10,635 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:35:10" (1/1) ... [2025-02-08 01:35:10,635 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@396b9b52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:10, skipping insertion in model container [2025-02-08 01:35:10,636 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:35:10" (1/1) ... [2025-02-08 01:35:10,719 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:35:10,957 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_init_harness_negated.i[4491,4504] [2025-02-08 01:35:10,965 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_init_harness_negated.i[4551,4564] [2025-02-08 01:35:11,528 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:11,528 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:11,529 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:11,533 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:11,534 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:11,549 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:11,550 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:11,552 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:11,552 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:12,070 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:12,071 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:12,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:35:12,274 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:35:12,292 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_init_harness_negated.i[4491,4504] [2025-02-08 01:35:12,294 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_init_harness_negated.i[4551,4564] [2025-02-08 01:35:12,339 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:12,339 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:12,340 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:12,341 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:12,342 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:12,349 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:12,350 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:12,351 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:12,351 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:12,477 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8039] [2025-02-08 01:35:12,479 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:12,479 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:12,491 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8525-8536] [2025-02-08 01:35:12,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:35:12,681 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:35:12,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:12 WrapperNode [2025-02-08 01:35:12,682 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:35:12,683 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:35:12,683 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:35:12,683 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:35:12,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:12" (1/1) ... [2025-02-08 01:35:12,757 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:12" (1/1) ... [2025-02-08 01:35:12,838 INFO L138 Inliner]: procedures = 679, calls = 2495, calls flagged for inlining = 55, calls inlined = 6, statements flattened = 790 [2025-02-08 01:35:12,839 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:35:12,839 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:35:12,840 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:35:12,840 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:35:12,848 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:12" (1/1) ... [2025-02-08 01:35:12,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:12" (1/1) ... [2025-02-08 01:35:12,856 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:12" (1/1) ... [2025-02-08 01:35:12,932 INFO L175 MemorySlicer]: Split 522 memory accesses to 5 slices as follows [2, 257, 238, 20, 5]. 49 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 4, 5]. The 493 writes are split as follows [0, 257, 232, 4, 0]. [2025-02-08 01:35:12,936 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:12" (1/1) ... [2025-02-08 01:35:12,936 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:12" (1/1) ... [2025-02-08 01:35:12,993 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:12" (1/1) ... [2025-02-08 01:35:12,995 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:12" (1/1) ... [2025-02-08 01:35:13,005 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:12" (1/1) ... [2025-02-08 01:35:13,012 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:12" (1/1) ... [2025-02-08 01:35:13,030 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:35:13,033 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:35:13,033 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:35:13,034 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:35:13,035 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:12" (1/1) ... [2025-02-08 01:35:13,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:35:13,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:35:13,071 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 01:35:13,078 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 01:35:13,101 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-08 01:35:13,101 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-08 01:35:13,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:35:13,102 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:35:13,102 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:35:13,102 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-02-08 01:35:13,102 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-02-08 01:35:13,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:35:13,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:35:13,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:35:13,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:35:13,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:35:13,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:35:13,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:35:13,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:35:13,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:35:13,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:35:13,104 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-08 01:35:13,104 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-08 01:35:13,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:35:13,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:35:13,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:35:13,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:35:13,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:35:13,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:35:13,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:35:13,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:35:13,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:35:13,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:35:13,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:35:13,105 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:35:13,105 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:35:13,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:35:13,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:35:13,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:35:13,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:35:13,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:35:13,105 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-02-08 01:35:13,105 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-02-08 01:35:13,105 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:35:13,105 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:35:13,105 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-02-08 01:35:13,105 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-02-08 01:35:13,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:35:13,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:35:13,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:35:13,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:35:13,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:35:13,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:35:13,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:35:13,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:35:13,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:35:13,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:35:13,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:35:13,106 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:35:13,106 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:35:13,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:35:13,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:35:13,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:35:13,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:35:13,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:35:13,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:35:13,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:35:13,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:35:13,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:35:13,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:35:13,370 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:35:13,373 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:35:13,422 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6868: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 01:35:13,457 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6882: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2025-02-08 01:35:13,512 INFO L1324 $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; [2025-02-08 01:35:13,537 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:35:13,545 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6907: havoc #t~ret569.base, #t~ret569.offset; [2025-02-08 01:35:21,126 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-02-08 01:35:21,180 INFO L? ?]: Removed 52 outVars from TransFormulas that were not future-live. [2025-02-08 01:35:21,180 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:35:21,192 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:35:21,194 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:35:21,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:35:21 BoogieIcfgContainer [2025-02-08 01:35:21,194 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:35:21,196 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:35:21,199 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:35:21,203 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:35:21,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:35:10" (1/3) ... [2025-02-08 01:35:21,204 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc75e08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:35:21, skipping insertion in model container [2025-02-08 01:35:21,204 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:12" (2/3) ... [2025-02-08 01:35:21,204 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc75e08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:35:21, skipping insertion in model container [2025-02-08 01:35:21,204 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:35:21" (3/3) ... [2025-02-08 01:35:21,206 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_init_harness_negated.i [2025-02-08 01:35:21,218 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:35:21,220 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_init_harness_negated.i that has 11 procedures, 96 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-08 01:35:21,266 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:35:21,276 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;@4145a25d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:35:21,276 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:35:21,283 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 63 states have (on average 1.253968253968254) internal successors, (79), 65 states have internal predecessors, (79), 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) [2025-02-08 01:35:21,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-02-08 01:35:21,290 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:35:21,290 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] [2025-02-08 01:35:21,291 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:35:21,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:35:21,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1117857788, now seen corresponding path program 1 times [2025-02-08 01:35:21,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:35:21,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033160539] [2025-02-08 01:35:21,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:35:21,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:36:29,302 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-08 01:36:29,936 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-08 01:36:29,936 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:36:29,936 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:36:30,816 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 01:36:30,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:36:30,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033160539] [2025-02-08 01:36:30,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033160539] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:36:30,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956084654] [2025-02-08 01:36:30,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:36:30,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:36:30,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:36:30,822 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 01:36:30,824 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