./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 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_write_from_whole_buffer_harness-1.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 cab1c092802d28f475b8a467f14dab6a3f796dc1a4441d8517361eeec98aa4cb --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 02:43:20,206 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:43:20,267 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:43:20,272 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:43:20,272 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:43:20,285 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:43:20,286 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:43:20,286 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:43:20,286 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:43:20,286 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:43:20,286 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:43:20,286 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:43:20,286 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:43:20,287 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:43:20,287 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:43:20,287 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:43:20,287 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:43:20,287 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:43:20,288 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:43:20,288 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:43:20,288 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:43:20,288 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:43:20,289 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:43:20,289 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:43:20,289 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:43:20,289 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:43:20,289 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:43:20,289 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:43:20,289 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:43:20,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:43:20,289 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:43:20,289 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:43:20,289 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:43:20,289 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:43:20,289 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:43:20,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:43:20,289 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:43:20,289 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:43:20,289 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:43:20,289 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:43:20,289 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 -> cab1c092802d28f475b8a467f14dab6a3f796dc1a4441d8517361eeec98aa4cb [2025-03-04 02:43:20,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:43:20,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:43:20,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:43:20,543 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:43:20,543 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:43:20,545 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i [2025-03-04 02:43:21,699 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac7d90391/c8179db53e0b401a88f1eda18405abe1/FLAG8ac826ad6 [2025-03-04 02:43:22,138 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:43:22,139 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i [2025-03-04 02:43:22,174 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac7d90391/c8179db53e0b401a88f1eda18405abe1/FLAG8ac826ad6 [2025-03-04 02:43:22,185 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac7d90391/c8179db53e0b401a88f1eda18405abe1 [2025-03-04 02:43:22,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:43:22,188 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:43:22,189 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:43:22,189 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:43:22,192 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:43:22,192 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:43:22" (1/1) ... [2025-03-04 02:43:22,193 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c4355f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:22, skipping insertion in model container [2025-03-04 02:43:22,193 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:43:22" (1/1) ... [2025-03-04 02:43:22,268 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:43:22,454 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_write_from_whole_buffer_harness-1.i[4510,4523] [2025-03-04 02:43:22,461 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_write_from_whole_buffer_harness-1.i[4570,4583] [2025-03-04 02:43:23,046 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:23,050 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:23,050 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:23,050 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:23,051 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:23,062 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:23,062 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:23,063 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:23,064 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:23,444 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:23,445 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:23,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:43:23,553 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:43:23,561 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_write_from_whole_buffer_harness-1.i[4510,4523] [2025-03-04 02:43:23,561 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_write_from_whole_buffer_harness-1.i[4570,4583] [2025-03-04 02:43:23,591 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:23,592 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:23,592 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:23,593 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:23,594 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:23,598 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:23,601 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:23,602 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:23,602 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:23,688 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2025-03-04 02:43:23,690 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:23,690 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:23,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2025-03-04 02:43:23,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:43:23,884 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:43:23,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:23 WrapperNode [2025-03-04 02:43:23,885 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:43:23,886 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:43:23,886 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:43:23,886 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:43:23,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:23" (1/1) ... [2025-03-04 02:43:23,984 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:23" (1/1) ... [2025-03-04 02:43:24,037 INFO L138 Inliner]: procedures = 680, calls = 2662, calls flagged for inlining = 58, calls inlined = 5, statements flattened = 900 [2025-03-04 02:43:24,038 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:43:24,041 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:43:24,041 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:43:24,041 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:43:24,049 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:23" (1/1) ... [2025-03-04 02:43:24,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:23" (1/1) ... [2025-03-04 02:43:24,058 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:23" (1/1) ... [2025-03-04 02:43:24,117 INFO L175 MemorySlicer]: Split 592 memory accesses to 5 slices as follows [78, 2, 257, 6, 249]. 43 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [16, 2, 0, 0, 11]. The 499 writes are split as follows [7, 0, 257, 2, 233]. [2025-03-04 02:43:24,118 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:23" (1/1) ... [2025-03-04 02:43:24,118 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:23" (1/1) ... [2025-03-04 02:43:24,156 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:23" (1/1) ... [2025-03-04 02:43:24,161 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:23" (1/1) ... [2025-03-04 02:43:24,169 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:23" (1/1) ... [2025-03-04 02:43:24,176 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:23" (1/1) ... [2025-03-04 02:43:24,182 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:43:24,183 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:43:24,183 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:43:24,183 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:43:24,184 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:23" (1/1) ... [2025-03-04 02:43:24,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:43:24,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:43:24,208 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) [2025-03-04 02:43:24,213 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 [2025-03-04 02:43:24,226 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-04 02:43:24,226 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-04 02:43:24,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:43:24,226 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 02:43:24,226 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 02:43:24,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 02:43:24,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 02:43:24,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 02:43:24,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 02:43:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 02:43:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 02:43:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 02:43:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 02:43:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 02:43:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 02:43:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:43:24,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:43:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:43:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:43:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-03-04 02:43:24,227 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-03-04 02:43:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 02:43:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 02:43:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 02:43:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 02:43:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 02:43:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-03-04 02:43:24,227 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-03-04 02:43:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2025-03-04 02:43:24,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2025-03-04 02:43:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:43:24,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:43:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:43:24,227 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:43:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-04 02:43:24,227 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-04 02:43:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-03-04 02:43:24,227 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-03-04 02:43:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 02:43:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 02:43:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 02:43:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 02:43:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 02:43:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:43:24,228 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:43:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-03-04 02:43:24,228 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-03-04 02:43:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:43:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 02:43:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 02:43:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 02:43:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 02:43:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 02:43:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2025-03-04 02:43:24,228 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2025-03-04 02:43:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 02:43:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 02:43:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 02:43:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 02:43:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 02:43:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 02:43:24,228 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 02:43:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-04 02:43:24,228 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-04 02:43:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2025-03-04 02:43:24,228 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2025-03-04 02:43:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 02:43:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 02:43:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 02:43:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 02:43:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 02:43:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2025-03-04 02:43:24,228 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2025-03-04 02:43:24,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 02:43:24,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 02:43:24,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 02:43:24,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 02:43:24,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 02:43:24,464 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:43:24,466 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:43:24,498 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 02:43:24,575 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-03-04 02:43:24,577 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-04 02:43:24,697 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7399: havoc #t~mem682;havoc #t~mem683;havoc #t~short684;havoc #t~mem685.base, #t~mem685.offset;havoc #t~short686;havoc #t~mem687;havoc #t~mem688;havoc #t~mem689;havoc #t~short690;havoc #t~mem691;havoc #t~mem692.base, #t~mem692.offset;havoc #t~short693;havoc #t~short694;havoc #t~short695;havoc #t~short696; [2025-03-04 02:43:24,708 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 02:43:24,714 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc #t~mem477; [2025-03-04 02:43:24,752 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7342: havoc #t~ret657.base, #t~ret657.offset; [2025-03-04 02:43:31,416 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8564: havoc aws_byte_buf_write_from_whole_buffer_#t~mem1189#1.base, aws_byte_buf_write_from_whole_buffer_#t~mem1189#1.offset;havoc aws_byte_buf_write_from_whole_buffer_#t~mem1190#1;havoc aws_byte_buf_write_from_whole_buffer_#t~ret1191#1;call ULTIMATE.dealloc(aws_byte_buf_write_from_whole_buffer_~#src#1.base, aws_byte_buf_write_from_whole_buffer_~#src#1.offset);havoc aws_byte_buf_write_from_whole_buffer_~#src#1.base, aws_byte_buf_write_from_whole_buffer_~#src#1.offset; [2025-03-04 02:43:31,483 INFO L? ?]: Removed 114 outVars from TransFormulas that were not future-live. [2025-03-04 02:43:31,483 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:43:31,496 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:43:31,496 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:43:31,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:43:31 BoogieIcfgContainer [2025-03-04 02:43:31,497 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:43:31,498 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:43:31,498 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:43:31,504 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:43:31,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:43:22" (1/3) ... [2025-03-04 02:43:31,505 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad3b1ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:43:31, skipping insertion in model container [2025-03-04 02:43:31,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:23" (2/3) ... [2025-03-04 02:43:31,505 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad3b1ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:43:31, skipping insertion in model container [2025-03-04 02:43:31,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:43:31" (3/3) ... [2025-03-04 02:43:31,506 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_from_whole_buffer_harness-1.i [2025-03-04 02:43:31,518 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:43:31,519 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_write_from_whole_buffer_harness-1.i that has 17 procedures, 185 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-04 02:43:31,569 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:43:31,577 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;@1e3ac74e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:43:31,577 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:43:31,580 INFO L276 IsEmpty]: Start isEmpty. Operand has 185 states, 109 states have (on average 1.201834862385321) internal successors, (131), 111 states have internal predecessors, (131), 58 states have call successors, (58), 16 states have call predecessors, (58), 16 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2025-03-04 02:43:31,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2025-03-04 02:43:31,593 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:43:31,594 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 02:43:31,594 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:43:31,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:43:31,600 INFO L85 PathProgramCache]: Analyzing trace with hash 698510361, now seen corresponding path program 1 times [2025-03-04 02:43:31,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:43:31,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472970255] [2025-03-04 02:43:31,606 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:43:31,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:44:37,579 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 176 statements into 1 equivalence classes. [2025-03-04 02:44:38,172 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 176 of 176 statements. [2025-03-04 02:44:38,173 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:44:38,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:44:38,911 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2025-03-04 02:44:38,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:44:38,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472970255] [2025-03-04 02:44:38,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472970255] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:44:38,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1840034389] [2025-03-04 02:44:38,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:44:38,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:44:38,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:44:38,917 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) [2025-03-04 02:44:38,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process