./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_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 faa65859e31290f7e8032666f55af3608361dac3b397b8750b8c31e227a4d695 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:34:42,232 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:34:42,309 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:34:42,316 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:34:42,316 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:34:42,345 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:34:42,346 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:34:42,346 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:34:42,347 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:34:42,347 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:34:42,347 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:34:42,348 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:34:42,348 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:34:42,348 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:34:42,348 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:34:42,349 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:34:42,349 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:34:42,349 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:34:42,349 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:34:42,349 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:34:42,349 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:34:42,349 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:34:42,350 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:34:42,350 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:34:42,350 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:34:42,350 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:34:42,350 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:34:42,350 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:34:42,350 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:34:42,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:34:42,351 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:34:42,351 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:34:42,351 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:34:42,351 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:34:42,351 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:34:42,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:34:42,352 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:34:42,352 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:34:42,352 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:34:42,352 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:34:42,352 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 -> faa65859e31290f7e8032666f55af3608361dac3b397b8750b8c31e227a4d695 [2025-02-08 01:34:42,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:34:42,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:34:42,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:34:42,608 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:34:42,608 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:34:42,609 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness.i [2025-02-08 01:34:43,738 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/df86e0326/7679d752912d4c0b8de914fb7d38d303/FLAG24dce39aa [2025-02-08 01:34:44,239 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:34:44,239 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness.i [2025-02-08 01:34:44,278 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/df86e0326/7679d752912d4c0b8de914fb7d38d303/FLAG24dce39aa [2025-02-08 01:34:44,319 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/df86e0326/7679d752912d4c0b8de914fb7d38d303 [2025-02-08 01:34:44,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:34:44,322 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:34:44,325 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:34:44,325 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:34:44,327 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:34:44,329 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:34:44" (1/1) ... [2025-02-08 01:34:44,330 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27cc1f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:34:44, skipping insertion in model container [2025-02-08 01:34:44,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:34:44" (1/1) ... [2025-02-08 01:34:44,396 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:34:44,604 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.i[4491,4504] [2025-02-08 01:34:44,615 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.i[4551,4564] [2025-02-08 01:34:45,110 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:34:45,110 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:34:45,111 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:34:45,111 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:34:45,112 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:34:45,122 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:34:45,122 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:34:45,123 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:34:45,124 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:34:45,484 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:34:45,485 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:34:45,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:34:45,574 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:34:45,585 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.i[4491,4504] [2025-02-08 01:34:45,589 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.i[4551,4564] [2025-02-08 01:34:45,626 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:34:45,626 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:34:45,627 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:34:45,628 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:34:45,628 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:34:45,633 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:34:45,633 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:34:45,635 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:34:45,635 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:34:45,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8051] [2025-02-08 01:34:45,772 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:34:45,773 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:34:45,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8537-8548] [2025-02-08 01:34:45,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:34:45,952 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:34:45,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:34:45 WrapperNode [2025-02-08 01:34:45,954 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:34:45,954 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:34:45,954 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:34:45,954 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:34:45,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:34:45" (1/1) ... [2025-02-08 01:34:46,020 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:34:45" (1/1) ... [2025-02-08 01:34:46,092 INFO L138 Inliner]: procedures = 679, calls = 2495, calls flagged for inlining = 55, calls inlined = 6, statements flattened = 790 [2025-02-08 01:34:46,093 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:34:46,093 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:34:46,093 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:34:46,093 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:34:46,101 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:34:45" (1/1) ... [2025-02-08 01:34:46,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:34:45" (1/1) ... [2025-02-08 01:34:46,115 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:34:45" (1/1) ... [2025-02-08 01:34:46,162 INFO L175 MemorySlicer]: Split 522 memory accesses to 5 slices as follows [2, 257, 238, 5, 20]. 49 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 5, 4]. The 493 writes are split as follows [0, 257, 232, 0, 4]. [2025-02-08 01:34:46,164 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:34:45" (1/1) ... [2025-02-08 01:34:46,164 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:34:45" (1/1) ... [2025-02-08 01:34:46,200 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:34:45" (1/1) ... [2025-02-08 01:34:46,209 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:34:45" (1/1) ... [2025-02-08 01:34:46,217 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:34:45" (1/1) ... [2025-02-08 01:34:46,220 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:34:45" (1/1) ... [2025-02-08 01:34:46,233 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:34:46,236 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:34:46,236 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:34:46,236 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:34:46,237 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:34:45" (1/1) ... [2025-02-08 01:34:46,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:34:46,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:34:46,270 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 01:34:46,277 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 01:34:46,292 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-08 01:34:46,293 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-08 01:34:46,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:34:46,293 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:34:46,293 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:34:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-02-08 01:34:46,294 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-02-08 01:34:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:34:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:34:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:34:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:34:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:34:46,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:34:46,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:34:46,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:34:46,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:34:46,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:34:46,295 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-08 01:34:46,295 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-08 01:34:46,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:34:46,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:34:46,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:34:46,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:34:46,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:34:46,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:34:46,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:34:46,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:34:46,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:34:46,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:34:46,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:34:46,296 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:34:46,296 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:34:46,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:34:46,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:34:46,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:34:46,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:34:46,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:34:46,297 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-02-08 01:34:46,297 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-02-08 01:34:46,297 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:34:46,297 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:34:46,297 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-02-08 01:34:46,297 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-02-08 01:34:46,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:34:46,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:34:46,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:34:46,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:34:46,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:34:46,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:34:46,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:34:46,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:34:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:34:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:34:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:34:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:34:46,298 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:34:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:34:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:34:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:34:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:34:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:34:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:34:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:34:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:34:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:34:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:34:46,513 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:34:46,515 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:34:46,568 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6880: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 01:34:46,602 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6894: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2025-02-08 01:34:46,671 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7159: 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 01:34:46,689 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:34:46,695 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6919: havoc #t~ret569.base, #t~ret569.offset; [2025-02-08 01:34:53,240 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-02-08 01:34:53,258 INFO L? ?]: Removed 52 outVars from TransFormulas that were not future-live. [2025-02-08 01:34:53,259 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:34:53,265 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:34:53,265 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:34:53,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:34:53 BoogieIcfgContainer [2025-02-08 01:34:53,266 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:34:53,268 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:34:53,268 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:34:53,271 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:34:53,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:34:44" (1/3) ... [2025-02-08 01:34:53,271 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@754be558 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:34:53, skipping insertion in model container [2025-02-08 01:34:53,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:34:45" (2/3) ... [2025-02-08 01:34:53,271 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@754be558 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:34:53, skipping insertion in model container [2025-02-08 01:34:53,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:34:53" (3/3) ... [2025-02-08 01:34:53,272 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_init_harness.i [2025-02-08 01:34:53,282 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:34:53,283 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_init_harness.i that has 11 procedures, 96 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-08 01:34:53,318 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:34:53,331 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;@448fdfe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:34:53,332 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:34:53,335 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 01:34:53,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-02-08 01:34:53,339 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:34:53,340 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 01:34:53,340 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:34:53,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:34:53,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1117857788, now seen corresponding path program 1 times [2025-02-08 01:34:53,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:34:53,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332129181] [2025-02-08 01:34:53,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:34:53,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:36:01,087 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-08 01:36:01,645 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-08 01:36:01,645 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:36:01,645 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:36:02,262 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 01:36:02,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:36:02,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332129181] [2025-02-08 01:36:02,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332129181] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:36:02,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1957965046] [2025-02-08 01:36:02,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:36:02,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:36:02,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:36:02,268 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 01:36:02,269 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