./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 e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_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-?-e2fb8be-m [2025-03-08 17:54:23,731 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 17:54:23,781 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 17:54:23,785 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 17:54:23,786 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 17:54:23,805 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 17:54:23,806 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 17:54:23,806 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 17:54:23,806 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 17:54:23,806 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 17:54:23,807 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 17:54:23,807 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 17:54:23,807 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 17:54:23,807 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 17:54:23,807 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 17:54:23,808 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 17:54:23,808 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 17:54:23,808 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 17:54:23,808 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 17:54:23,808 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 17:54:23,808 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 17:54:23,808 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 17:54:23,808 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 17:54:23,808 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 17:54:23,809 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 17:54:23,809 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 17:54:23,809 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 17:54:23,809 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 17:54:23,809 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 17:54:23,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:54:23,809 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 17:54:23,809 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 17:54:23,810 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 17:54:23,810 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 17:54:23,810 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 17:54:23,810 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 17:54:23,810 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 17:54:23,810 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 17:54:23,810 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 17:54:23,810 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 17:54:23,810 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 [2025-03-08 17:54:24,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 17:54:24,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 17:54:24,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 17:54:24,048 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 17:54:24,048 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 17:54:24,049 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i [2025-03-08 17:54:25,173 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a3d6388a/7cf9b2739baa45c38a5ca103121a0e70/FLAGb45b8f8d2 [2025-03-08 17:54:25,622 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 17:54:25,623 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i [2025-03-08 17:54:25,652 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a3d6388a/7cf9b2739baa45c38a5ca103121a0e70/FLAGb45b8f8d2 [2025-03-08 17:54:25,663 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a3d6388a/7cf9b2739baa45c38a5ca103121a0e70 [2025-03-08 17:54:25,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 17:54:25,667 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 17:54:25,668 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 17:54:25,668 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 17:54:25,671 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 17:54:25,672 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:54:25" (1/1) ... [2025-03-08 17:54:25,672 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba5cc0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:25, skipping insertion in model container [2025-03-08 17:54:25,672 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:54:25" (1/1) ... [2025-03-08 17:54:25,733 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 17:54:25,903 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] [2025-03-08 17:54:25,910 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] [2025-03-08 17:54:26,561 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:26,561 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:26,561 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:26,562 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:26,562 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:26,570 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:26,570 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:26,571 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:26,571 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:27,044 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:27,045 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:27,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:54:27,140 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 17:54:27,150 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] [2025-03-08 17:54:27,151 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] [2025-03-08 17:54:27,176 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:27,176 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:27,176 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:27,177 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:27,177 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:27,181 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:27,181 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:27,182 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:27,182 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:27,298 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2025-03-08 17:54:27,300 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:27,304 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:27,315 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2025-03-08 17:54:27,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:54:27,525 INFO L204 MainTranslator]: Completed translation [2025-03-08 17:54:27,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:27 WrapperNode [2025-03-08 17:54:27,526 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 17:54:27,527 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 17:54:27,528 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 17:54:27,528 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 17:54:27,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:27" (1/1) ... [2025-03-08 17:54:27,588 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:27" (1/1) ... [2025-03-08 17:54:27,623 INFO L138 Inliner]: procedures = 680, calls = 2662, calls flagged for inlining = 58, calls inlined = 5, statements flattened = 900 [2025-03-08 17:54:27,623 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 17:54:27,624 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 17:54:27,624 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 17:54:27,624 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 17:54:27,631 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:27" (1/1) ... [2025-03-08 17:54:27,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:27" (1/1) ... [2025-03-08 17:54:27,636 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:27" (1/1) ... [2025-03-08 17:54:27,687 INFO L175 MemorySlicer]: Split 592 memory accesses to 5 slices as follows [2, 257, 249, 78, 6]. 43 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [2, 0, 11, 16, 0]. The 499 writes are split as follows [0, 257, 233, 7, 2]. [2025-03-08 17:54:27,687 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:27" (1/1) ... [2025-03-08 17:54:27,687 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:27" (1/1) ... [2025-03-08 17:54:27,716 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:27" (1/1) ... [2025-03-08 17:54:27,723 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:27" (1/1) ... [2025-03-08 17:54:27,733 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:27" (1/1) ... [2025-03-08 17:54:27,736 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:27" (1/1) ... [2025-03-08 17:54:27,775 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 17:54:27,775 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 17:54:27,775 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 17:54:27,775 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 17:54:27,776 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:27" (1/1) ... [2025-03-08 17:54:27,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:54:27,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:54:27,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 17:54:27,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 17:54:27,824 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-08 17:54:27,825 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-08 17:54:27,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 17:54:27,825 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 17:54:27,825 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 17:54:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 17:54:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 17:54:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 17:54:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 17:54:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 17:54:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 17:54:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 17:54:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 17:54:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 17:54:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 17:54:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 17:54:27,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 17:54:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 17:54:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 17:54:27,827 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-03-08 17:54:27,827 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-03-08 17:54:27,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 17:54:27,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 17:54:27,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 17:54:27,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 17:54:27,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 17:54:27,827 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-03-08 17:54:27,827 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-03-08 17:54:27,828 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2025-03-08 17:54:27,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2025-03-08 17:54:27,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 17:54:27,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 17:54:27,828 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 17:54:27,828 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 17:54:27,828 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-08 17:54:27,828 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-08 17:54:27,828 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-03-08 17:54:27,828 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-03-08 17:54:27,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 17:54:27,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 17:54:27,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 17:54:27,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 17:54:27,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 17:54:27,829 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 17:54:27,829 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 17:54:27,830 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-03-08 17:54:27,831 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-03-08 17:54:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 17:54:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 17:54:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 17:54:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 17:54:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 17:54:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 17:54:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2025-03-08 17:54:27,831 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2025-03-08 17:54:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 17:54:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 17:54:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 17:54:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 17:54:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 17:54:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 17:54:27,831 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 17:54:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-08 17:54:27,831 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-08 17:54:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2025-03-08 17:54:27,831 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2025-03-08 17:54:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 17:54:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 17:54:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 17:54:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 17:54:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 17:54:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2025-03-08 17:54:27,831 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2025-03-08 17:54:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 17:54:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 17:54:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 17:54:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 17:54:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 17:54:28,042 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 17:54:28,044 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 17:54:28,073 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-08 17:54:28,113 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-03-08 17:54:28,115 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-08 17:54:28,221 INFO L1307 $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; [2025-03-08 17:54:28,230 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 17:54:28,235 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc #t~mem477; [2025-03-08 17:54:28,263 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7342: havoc #t~ret657.base, #t~ret657.offset; [2025-03-08 17:54:34,751 INFO L1307 $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; [2025-03-08 17:54:34,816 INFO L? ?]: Removed 114 outVars from TransFormulas that were not future-live. [2025-03-08 17:54:34,816 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 17:54:34,828 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 17:54:34,829 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 17:54:34,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:54:34 BoogieIcfgContainer [2025-03-08 17:54:34,831 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 17:54:34,833 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 17:54:34,833 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 17:54:34,837 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 17:54:34,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 05:54:25" (1/3) ... [2025-03-08 17:54:34,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d62b13b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:54:34, skipping insertion in model container [2025-03-08 17:54:34,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:27" (2/3) ... [2025-03-08 17:54:34,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d62b13b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:54:34, skipping insertion in model container [2025-03-08 17:54:34,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:54:34" (3/3) ... [2025-03-08 17:54:34,839 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_from_whole_buffer_harness-1.i [2025-03-08 17:54:34,849 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 17:54:34,850 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. [2025-03-08 17:54:34,887 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 17:54:34,894 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;@619c19e2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 17:54:34,894 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 17:54:34,897 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) [2025-03-08 17:54:34,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2025-03-08 17:54:34,906 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 17:54:34,906 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] [2025-03-08 17:54:34,907 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 17:54:34,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 17:54:34,910 INFO L85 PathProgramCache]: Analyzing trace with hash 698510361, now seen corresponding path program 1 times [2025-03-08 17:54:34,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 17:54:34,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069542927] [2025-03-08 17:54:34,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:54:34,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 17:55:38,665 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 176 statements into 1 equivalence classes. [2025-03-08 17:55:39,144 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 176 of 176 statements. [2025-03-08 17:55:39,145 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 17:55:39,145 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 17:55:39,863 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2025-03-08 17:55:39,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 17:55:39,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069542927] [2025-03-08 17:55:39,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069542927] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 17:55:39,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1681606246] [2025-03-08 17:55:39,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:55:39,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 17:55:39,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:55:39,869 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 17:55:39,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process