./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 983481f5e23e9dbaf95892c19981dd4a39c2fab33de5cb70c70e0ce781cf6fc6 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 17:55:29,593 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 17:55:29,653 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 17:55:29,658 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 17:55:29,658 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 17:55:29,672 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 17:55:29,673 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 17:55:29,673 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 17:55:29,673 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 17:55:29,673 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 17:55:29,673 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 17:55:29,674 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 17:55:29,674 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 17:55:29,674 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 17:55:29,674 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 17:55:29,675 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 17:55:29,675 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 17:55:29,675 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 17:55:29,675 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 17:55:29,675 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 17:55:29,675 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 17:55:29,675 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 17:55:29,675 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 17:55:29,675 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 17:55:29,675 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 17:55:29,676 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 17:55:29,676 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 17:55:29,676 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 17:55:29,676 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 17:55:29,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:55:29,676 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 17:55:29,676 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 17:55:29,676 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 17:55:29,676 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 17:55:29,676 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 17:55:29,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 17:55:29,677 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 17:55:29,677 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 17:55:29,677 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 17:55:29,677 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 17:55:29,677 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 -> 983481f5e23e9dbaf95892c19981dd4a39c2fab33de5cb70c70e0ce781cf6fc6 [2025-03-08 17:55:29,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 17:55:29,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 17:55:29,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 17:55:29,897 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 17:55:29,897 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 17:55:29,898 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness_negated.i [2025-03-08 17:55:31,050 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3f44b72d/c65a1d8b6a55428ab7e7a68eccaf8ccc/FLAG1c11a4d6e [2025-03-08 17:55:31,423 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 17:55:31,424 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness_negated.i [2025-03-08 17:55:31,457 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3f44b72d/c65a1d8b6a55428ab7e7a68eccaf8ccc/FLAG1c11a4d6e [2025-03-08 17:55:31,592 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3f44b72d/c65a1d8b6a55428ab7e7a68eccaf8ccc [2025-03-08 17:55:31,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 17:55:31,596 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 17:55:31,598 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 17:55:31,598 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 17:55:31,601 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 17:55:31,601 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:55:31" (1/1) ... [2025-03-08 17:55:31,602 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a987b65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:55:31, skipping insertion in model container [2025-03-08 17:55:31,602 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:55:31" (1/1) ... [2025-03-08 17:55:31,658 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 17:55:31,833 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_harness_negated.i[4492,4505] [2025-03-08 17:55:31,842 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_harness_negated.i[4552,4565] [2025-03-08 17:55:32,294 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:55:32,295 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:55:32,295 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:55:32,296 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:55:32,297 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:55:32,309 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:55:32,310 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:55:32,311 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:55:32,311 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:55:32,669 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:55:32,669 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:55:32,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:55:32,747 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 17:55:32,757 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_harness_negated.i[4492,4505] [2025-03-08 17:55:32,758 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_harness_negated.i[4552,4565] [2025-03-08 17:55:32,796 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:55:32,796 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:55:32,797 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:55:32,797 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:55:32,797 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:55:32,805 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:55:32,806 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:55:32,808 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:55:32,808 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:55:32,941 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2025-03-08 17:55:32,943 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:55:32,943 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:55:32,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2025-03-08 17:55:32,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:55:33,132 INFO L204 MainTranslator]: Completed translation [2025-03-08 17:55:33,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:55:33 WrapperNode [2025-03-08 17:55:33,133 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 17:55:33,134 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 17:55:33,134 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 17:55:33,134 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 17:55:33,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:55:33" (1/1) ... [2025-03-08 17:55:33,197 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:55:33" (1/1) ... [2025-03-08 17:55:33,253 INFO L138 Inliner]: procedures = 679, calls = 2631, calls flagged for inlining = 61, calls inlined = 8, statements flattened = 873 [2025-03-08 17:55:33,254 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 17:55:33,254 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 17:55:33,254 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 17:55:33,254 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 17:55:33,269 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:55:33" (1/1) ... [2025-03-08 17:55:33,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:55:33" (1/1) ... [2025-03-08 17:55:33,275 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:55:33" (1/1) ... [2025-03-08 17:55:33,330 INFO L175 MemorySlicer]: Split 562 memory accesses to 6 slices as follows [2, 257, 238, 49, 10, 6]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 8, 5, 0]. The 495 writes are split as follows [0, 257, 232, 3, 1, 2]. [2025-03-08 17:55:33,331 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:55:33" (1/1) ... [2025-03-08 17:55:33,331 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:55:33" (1/1) ... [2025-03-08 17:55:33,355 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:55:33" (1/1) ... [2025-03-08 17:55:33,363 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:55:33" (1/1) ... [2025-03-08 17:55:33,385 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:55:33" (1/1) ... [2025-03-08 17:55:33,392 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:55:33" (1/1) ... [2025-03-08 17:55:33,404 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 17:55:33,407 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 17:55:33,407 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 17:55:33,407 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 17:55:33,408 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:55:33" (1/1) ... [2025-03-08 17:55:33,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:55:33,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:55:33,433 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 17:55:33,436 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 17:55:33,456 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-08 17:55:33,456 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-08 17:55:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 17:55:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 17:55:33,457 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 17:55:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2025-03-08 17:55:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2025-03-08 17:55:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2025-03-08 17:55:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2025-03-08 17:55:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2025-03-08 17:55:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2025-03-08 17:55:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-08 17:55:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-08 17:55:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-08 17:55:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-08 17:55:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-08 17:55:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-08 17:55:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 17:55:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 17:55:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 17:55:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 17:55:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 17:55:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 17:55:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 17:55:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 17:55:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 17:55:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 17:55:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 17:55:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 17:55:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-03-08 17:55:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-03-08 17:55:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-03-08 17:55:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-03-08 17:55:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-03-08 17:55:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-03-08 17:55:33,458 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-03-08 17:55:33,458 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-03-08 17:55:33,458 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-03-08 17:55:33,458 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-03-08 17:55:33,458 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-03-08 17:55:33,458 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-03-08 17:55:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 17:55:33,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 17:55:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 17:55:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 17:55:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 17:55:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 17:55:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 17:55:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 17:55:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 17:55:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 17:55:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 17:55:33,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 17:55:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 17:55:33,458 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 17:55:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-08 17:55:33,458 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-08 17:55:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-08 17:55:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-08 17:55:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-08 17:55:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-08 17:55:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-08 17:55:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-08 17:55:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 17:55:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 17:55:33,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 17:55:33,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 17:55:33,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 17:55:33,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 17:55:33,459 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 17:55:33,459 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 17:55:33,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 17:55:33,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 17:55:33,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 17:55:33,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 17:55:33,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 17:55:33,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 17:55:33,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 17:55:33,462 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2025-03-08 17:55:33,462 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2025-03-08 17:55:33,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 17:55:33,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 17:55:33,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 17:55:33,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 17:55:33,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 17:55:33,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 17:55:33,462 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 17:55:33,462 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 17:55:33,463 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-08 17:55:33,463 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-08 17:55:33,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 17:55:33,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 17:55:33,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 17:55:33,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 17:55:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 17:55:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 17:55:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2025-03-08 17:55:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2025-03-08 17:55:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2025-03-08 17:55:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2025-03-08 17:55:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2025-03-08 17:55:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2025-03-08 17:55:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 17:55:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 17:55:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 17:55:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 17:55:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 17:55:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 17:55:33,701 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 17:55:33,702 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 17:55:33,727 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-08 17:55:33,741 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-08 17:55:33,812 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7345: havoc #t~mem678;havoc #t~mem679;havoc #t~short680;havoc #t~mem681.base, #t~mem681.offset;havoc #t~short682;havoc #t~mem683;havoc #t~mem684;havoc #t~mem685;havoc #t~short686;havoc #t~mem687;havoc #t~mem688.base, #t~mem688.offset;havoc #t~short689;havoc #t~short690;havoc #t~short691;havoc #t~short692; [2025-03-08 17:55:33,826 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 17:55:40,725 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-08 17:55:40,783 INFO L? ?]: Removed 194 outVars from TransFormulas that were not future-live. [2025-03-08 17:55:40,783 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 17:55:40,791 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 17:55:40,793 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 17:55:40,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:55:40 BoogieIcfgContainer [2025-03-08 17:55:40,793 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 17:55:40,795 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 17:55:40,795 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 17:55:40,799 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 17:55:40,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 05:55:31" (1/3) ... [2025-03-08 17:55:40,801 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@108988ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:55:40, skipping insertion in model container [2025-03-08 17:55:40,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:55:33" (2/3) ... [2025-03-08 17:55:40,802 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@108988ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:55:40, skipping insertion in model container [2025-03-08 17:55:40,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:55:40" (3/3) ... [2025-03-08 17:55:40,802 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_harness_negated.i [2025-03-08 17:55:40,812 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 17:55:40,813 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_write_harness_negated.i that has 16 procedures, 154 locations, 1 initial locations, 12 loop locations, and 1 error locations. [2025-03-08 17:55:40,851 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 17:55:40,858 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;@a39e35d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 17:55:40,859 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 17:55:40,861 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 85 states have (on average 1.2705882352941176) internal successors, (108), 86 states have internal predecessors, (108), 32 states have call successors, (32), 10 states have call predecessors, (32), 10 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2025-03-08 17:55:40,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-03-08 17:55:40,867 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 17:55:40,868 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 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] [2025-03-08 17:55:40,868 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 17:55:40,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 17:55:40,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1477117853, now seen corresponding path program 1 times [2025-03-08 17:55:40,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 17:55:40,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628464064] [2025-03-08 17:55:40,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:55:40,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 17:56:46,976 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-08 17:56:47,449 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-08 17:56:47,449 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 17:56:47,449 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 17:56:48,086 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-03-08 17:56:48,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 17:56:48,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628464064] [2025-03-08 17:56:48,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628464064] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 17:56:48,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1057486516] [2025-03-08 17:56:48,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:56:48,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 17:56:48,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:56:48,089 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 17:56:48,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process