./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3d97d04097e42514d5700bbc256d61ac595fb6c5eca16e749be15c2d6158293f --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 05:05:11,680 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 05:05:11,728 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 05:05:11,732 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 05:05:11,733 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 05:05:11,754 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 05:05:11,755 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 05:05:11,755 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 05:05:11,755 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 05:05:11,755 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 05:05:11,755 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 05:05:11,755 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 05:05:11,755 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 05:05:11,755 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 05:05:11,755 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 05:05:11,755 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 05:05:11,756 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 05:05:11,756 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 05:05:11,756 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 05:05:11,756 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 05:05:11,756 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 05:05:11,756 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 05:05:11,756 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 05:05:11,756 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 05:05:11,756 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 05:05:11,756 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 05:05:11,756 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 05:05:11,756 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 05:05:11,756 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 05:05:11,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:05:11,756 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 05:05:11,756 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 05:05:11,756 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 05:05:11,756 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 05:05:11,757 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 05:05:11,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 05:05:11,757 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 05:05:11,757 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 05:05:11,757 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 05:05:11,757 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 05:05:11,757 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d97d04097e42514d5700bbc256d61ac595fb6c5eca16e749be15c2d6158293f [2025-02-06 05:05:11,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 05:05:11,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 05:05:11,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 05:05:11,974 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 05:05:11,975 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 05:05:11,975 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i [2025-02-06 05:05:13,122 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b05baada4/390d7e2d648644b8b4799dd2f73d7b30/FLAG8ea405815 [2025-02-06 05:05:13,508 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 05:05:13,509 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i [2025-02-06 05:05:13,541 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b05baada4/390d7e2d648644b8b4799dd2f73d7b30/FLAG8ea405815 [2025-02-06 05:05:13,556 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b05baada4/390d7e2d648644b8b4799dd2f73d7b30 [2025-02-06 05:05:13,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 05:05:13,560 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 05:05:13,562 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 05:05:13,562 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 05:05:13,565 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 05:05:13,565 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:05:13" (1/1) ... [2025-02-06 05:05:13,567 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39718001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:13, skipping insertion in model container [2025-02-06 05:05:13,567 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:05:13" (1/1) ... [2025-02-06 05:05:13,634 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 05:05:13,804 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i[4498,4511] [2025-02-06 05:05:13,812 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i[4558,4571] [2025-02-06 05:05:14,271 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:14,272 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:14,272 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:14,273 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:14,273 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:14,287 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:14,287 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:14,288 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:14,288 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:14,678 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:14,681 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:14,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:05:14,795 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 05:05:14,810 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i[4498,4511] [2025-02-06 05:05:14,811 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i[4558,4571] [2025-02-06 05:05:14,844 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:14,845 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:14,845 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:14,845 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:14,846 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:14,851 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:14,851 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:14,853 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:14,853 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:14,990 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2025-02-06 05:05:14,991 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:14,991 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:15,002 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2025-02-06 05:05:15,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:05:15,183 INFO L204 MainTranslator]: Completed translation [2025-02-06 05:05:15,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:15 WrapperNode [2025-02-06 05:05:15,184 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 05:05:15,184 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 05:05:15,184 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 05:05:15,185 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 05:05:15,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:15" (1/1) ... [2025-02-06 05:05:15,236 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:15" (1/1) ... [2025-02-06 05:05:15,280 INFO L138 Inliner]: procedures = 679, calls = 2633, calls flagged for inlining = 61, calls inlined = 9, statements flattened = 870 [2025-02-06 05:05:15,281 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 05:05:15,281 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 05:05:15,281 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 05:05:15,281 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 05:05:15,292 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:15" (1/1) ... [2025-02-06 05:05:15,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:15" (1/1) ... [2025-02-06 05:05:15,301 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:15" (1/1) ... [2025-02-06 05:05:15,363 INFO L175 MemorySlicer]: Split 565 memory accesses to 6 slices as follows [2, 257, 14, 247, 6, 39]. 45 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 0, 2, 11, 0, 8]. The 495 writes are split as follows [0, 257, 2, 232, 2, 2]. [2025-02-06 05:05:15,363 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:15" (1/1) ... [2025-02-06 05:05:15,364 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:15" (1/1) ... [2025-02-06 05:05:15,391 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:15" (1/1) ... [2025-02-06 05:05:15,394 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:15" (1/1) ... [2025-02-06 05:05:15,398 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:15" (1/1) ... [2025-02-06 05:05:15,400 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:15" (1/1) ... [2025-02-06 05:05:15,406 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 05:05:15,407 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 05:05:15,407 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 05:05:15,407 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 05:05:15,414 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:15" (1/1) ... [2025-02-06 05:05:15,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:05:15,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:05:15,439 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 05:05:15,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 05:05:15,478 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-06 05:05:15,479 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-06 05:05:15,479 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-02-06 05:05:15,479 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-02-06 05:05:15,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 05:05:15,479 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 05:05:15,479 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 05:05:15,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 05:05:15,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 05:05:15,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 05:05:15,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 05:05:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 05:05:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 05:05:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 05:05:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 05:05:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 05:05:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 05:05:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 05:05:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 05:05:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 05:05:15,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 05:05:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_from_buf [2025-02-06 05:05:15,480 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_from_buf [2025-02-06 05:05:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 05:05:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 05:05:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 05:05:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 05:05:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 05:05:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 05:05:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 05:05:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 05:05:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 05:05:15,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 05:05:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 05:05:15,481 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 05:05:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-06 05:05:15,481 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-06 05:05:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 05:05:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 05:05:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 05:05:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 05:05:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 05:05:15,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 05:05:15,482 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 05:05:15,482 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 05:05:15,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 05:05:15,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 05:05:15,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 05:05:15,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 05:05:15,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 05:05:15,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 05:05:15,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 05:05:15,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 05:05:15,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 05:05:15,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 05:05:15,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 05:05:15,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 05:05:15,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 05:05:15,483 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 05:05:15,483 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 05:05:15,483 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 05:05:15,483 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 05:05:15,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 05:05:15,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 05:05:15,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 05:05:15,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 05:05:15,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 05:05:15,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 05:05:15,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 05:05:15,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 05:05:15,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 05:05:15,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 05:05:15,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 05:05:15,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 05:05:15,707 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 05:05:15,708 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 05:05:15,736 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 05:05:15,764 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 05:05:15,807 INFO L1309 $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; [2025-02-06 05:05:15,819 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 05:05:15,841 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7355: havoc #t~mem693;havoc #t~mem694;havoc #t~mem695.base, #t~mem695.offset;havoc #t~short696;havoc #t~mem697;havoc #t~mem698.base, #t~mem698.offset;havoc #t~short699;havoc #t~short700;havoc #t~short701;havoc #t~short702; [2025-02-06 05:05:15,863 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8208: havoc #t~mem1071;havoc #t~mem1072.base, #t~mem1072.offset;call ULTIMATE.dealloc(~#cur~0.base, ~#cur~0.offset);havoc ~#cur~0.base, ~#cur~0.offset; [2025-02-06 05:05:22,886 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-02-06 05:05:22,887 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-02-06 05:05:22,917 INFO L? ?]: Removed 125 outVars from TransFormulas that were not future-live. [2025-02-06 05:05:22,919 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 05:05:22,928 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 05:05:22,929 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 05:05:22,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:05:22 BoogieIcfgContainer [2025-02-06 05:05:22,929 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 05:05:22,931 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 05:05:22,931 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 05:05:22,934 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 05:05:22,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 05:05:13" (1/3) ... [2025-02-06 05:05:22,935 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d1e24cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:05:22, skipping insertion in model container [2025-02-06 05:05:22,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:15" (2/3) ... [2025-02-06 05:05:22,935 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d1e24cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:05:22, skipping insertion in model container [2025-02-06 05:05:22,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:05:22" (3/3) ... [2025-02-06 05:05:22,936 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_buf_harness_negated.i [2025-02-06 05:05:22,948 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 05:05:22,950 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_from_buf_harness_negated.i that has 11 procedures, 128 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-06 05:05:22,995 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 05:05:23,004 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;@3f1a3c7f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 05:05:23,004 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 05:05:23,008 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 88 states have (on average 1.25) internal successors, (110), 89 states have internal predecessors, (110), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-02-06 05:05:23,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-02-06 05:05:23,014 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:05:23,014 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2025-02-06 05:05:23,015 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:05:23,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:05:23,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1102452, now seen corresponding path program 1 times [2025-02-06 05:05:23,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:05:23,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609286619] [2025-02-06 05:05:23,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:05:23,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:06:30,781 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-02-06 05:06:31,258 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-02-06 05:06:31,258 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:06:31,259 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:06:31,954 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-02-06 05:06:31,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:06:31,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609286619] [2025-02-06 05:06:31,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609286619] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:06:31,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112338270] [2025-02-06 05:06:31,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:06:31,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:06:31,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:06:31,960 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 05:06:31,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process