./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 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_cursor_from_buf_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 3d97d04097e42514d5700bbc256d61ac595fb6c5eca16e749be15c2d6158293f --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 17:58:44,686 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 17:58:44,732 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 17:58:44,739 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 17:58:44,739 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 17:58:44,761 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 17:58:44,762 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 17:58:44,762 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 17:58:44,762 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 17:58:44,763 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 17:58:44,763 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 17:58:44,763 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 17:58:44,764 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 17:58:44,764 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 17:58:44,764 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 17:58:44,764 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 17:58:44,764 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 17:58:44,764 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 17:58:44,764 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 17:58:44,764 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 17:58:44,764 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 17:58:44,765 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 17:58:44,765 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 17:58:44,765 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 17:58:44,765 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 17:58:44,765 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 17:58:44,765 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 17:58:44,765 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 17:58:44,765 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 17:58:44,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:58:44,765 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 17:58:44,765 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 17:58:44,766 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 17:58:44,766 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 17:58:44,766 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 17:58:44,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 17:58:44,766 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 17:58:44,766 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 17:58:44,766 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 17:58:44,766 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 17:58:44,766 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 -> 3d97d04097e42514d5700bbc256d61ac595fb6c5eca16e749be15c2d6158293f [2025-03-08 17:58:44,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 17:58:44,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 17:58:44,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 17:58:44,971 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 17:58:44,971 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 17:58:44,971 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i [2025-03-08 17:58:46,120 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4869d79d9/1c0331368ac64ec3ad4d6ac84633e0f7/FLAGee75cab65 [2025-03-08 17:58:46,581 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 17:58:46,581 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i [2025-03-08 17:58:46,608 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4869d79d9/1c0331368ac64ec3ad4d6ac84633e0f7/FLAGee75cab65 [2025-03-08 17:58:46,688 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4869d79d9/1c0331368ac64ec3ad4d6ac84633e0f7 [2025-03-08 17:58:46,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 17:58:46,690 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 17:58:46,691 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 17:58:46,691 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 17:58:46,694 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 17:58:46,694 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:58:46" (1/1) ... [2025-03-08 17:58:46,696 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9f9696f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:46, skipping insertion in model container [2025-03-08 17:58:46,696 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:58:46" (1/1) ... [2025-03-08 17:58:46,751 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 17:58:46,910 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_cursor_from_buf_harness_negated.i[4498,4511] [2025-03-08 17:58:46,919 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_cursor_from_buf_harness_negated.i[4558,4571] [2025-03-08 17:58:47,344 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:47,346 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:47,346 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:47,346 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:47,347 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:47,356 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:47,356 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:47,360 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:47,361 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:47,725 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:47,725 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:47,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:58:47,864 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 17:58:47,878 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_cursor_from_buf_harness_negated.i[4498,4511] [2025-03-08 17:58:47,878 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_cursor_from_buf_harness_negated.i[4558,4571] [2025-03-08 17:58:47,909 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:47,910 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:47,910 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:47,910 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:47,910 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:47,918 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:47,918 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:47,919 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:47,920 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:48,007 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2025-03-08 17:58:48,008 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:48,008 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:48,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2025-03-08 17:58:48,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:58:48,172 INFO L204 MainTranslator]: Completed translation [2025-03-08 17:58:48,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:48 WrapperNode [2025-03-08 17:58:48,172 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 17:58:48,173 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 17:58:48,173 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 17:58:48,173 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 17:58:48,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:48" (1/1) ... [2025-03-08 17:58:48,230 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:48" (1/1) ... [2025-03-08 17:58:48,270 INFO L138 Inliner]: procedures = 679, calls = 2633, calls flagged for inlining = 61, calls inlined = 9, statements flattened = 870 [2025-03-08 17:58:48,270 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 17:58:48,271 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 17:58:48,271 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 17:58:48,271 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 17:58:48,279 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:48" (1/1) ... [2025-03-08 17:58:48,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:48" (1/1) ... [2025-03-08 17:58:48,286 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:48" (1/1) ... [2025-03-08 17:58:48,327 INFO L175 MemorySlicer]: Split 565 memory accesses to 6 slices as follows [2, 257, 6, 247, 39, 14]. 45 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 0, 0, 11, 8, 2]. The 495 writes are split as follows [0, 257, 2, 232, 2, 2]. [2025-03-08 17:58:48,328 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:48" (1/1) ... [2025-03-08 17:58:48,328 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:48" (1/1) ... [2025-03-08 17:58:48,355 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:48" (1/1) ... [2025-03-08 17:58:48,356 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:48" (1/1) ... [2025-03-08 17:58:48,364 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:48" (1/1) ... [2025-03-08 17:58:48,369 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:48" (1/1) ... [2025-03-08 17:58:48,379 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 17:58:48,380 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 17:58:48,380 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 17:58:48,380 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 17:58:48,381 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:48" (1/1) ... [2025-03-08 17:58:48,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:58:48,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:58:48,407 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 17:58:48,412 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 17:58:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-08 17:58:48,426 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-08 17:58:48,426 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-08 17:58:48,427 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-08 17:58:48,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 17:58:48,427 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 17:58:48,428 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 17:58:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 17:58:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 17:58:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 17:58:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 17:58:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 17:58:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 17:58:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 17:58:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 17:58:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 17:58:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 17:58:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 17:58:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 17:58:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 17:58:48,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 17:58:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_from_buf [2025-03-08 17:58:48,428 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_from_buf [2025-03-08 17:58:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 17:58:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 17:58:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 17:58:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 17:58:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 17:58:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 17:58:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 17:58:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 17:58:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 17:58:48,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 17:58:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 17:58:48,428 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 17:58:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-08 17:58:48,428 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-08 17:58:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 17:58:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 17:58:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 17:58:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 17:58:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 17:58:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 17:58:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 17:58:48,429 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 17:58:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 17:58:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 17:58:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 17:58:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 17:58:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 17:58:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 17:58:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 17:58:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 17:58:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 17:58:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 17:58:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 17:58:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 17:58:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 17:58:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 17:58:48,429 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 17:58:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-08 17:58:48,429 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-08 17:58:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 17:58:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 17:58:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 17:58:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 17:58:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 17:58:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 17:58:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 17:58:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 17:58:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 17:58:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 17:58:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 17:58:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 17:58:48,637 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 17:58:48,638 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 17:58:48,668 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-08 17:58:48,725 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-08 17:58:48,766 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 17:58:48,803 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 17:58:48,841 INFO L1307 $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; [2025-03-08 17:58:48,860 INFO L1307 $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; [2025-03-08 17:58:55,703 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-08 17:58:55,704 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-08 17:58:55,726 INFO L? ?]: Removed 125 outVars from TransFormulas that were not future-live. [2025-03-08 17:58:55,727 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 17:58:55,734 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 17:58:55,734 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 17:58:55,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:58:55 BoogieIcfgContainer [2025-03-08 17:58:55,734 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 17:58:55,736 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 17:58:55,736 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 17:58:55,739 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 17:58:55,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 05:58:46" (1/3) ... [2025-03-08 17:58:55,740 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a9a1a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:58:55, skipping insertion in model container [2025-03-08 17:58:55,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:48" (2/3) ... [2025-03-08 17:58:55,740 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a9a1a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:58:55, skipping insertion in model container [2025-03-08 17:58:55,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:58:55" (3/3) ... [2025-03-08 17:58:55,741 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_buf_harness_negated.i [2025-03-08 17:58:55,750 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 17:58:55,751 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. [2025-03-08 17:58:55,787 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 17:58:55,793 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;@4b24bdb8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 17:58:55,794 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 17:58:55,796 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) [2025-03-08 17:58:55,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-03-08 17:58:55,801 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 17:58:55,801 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] [2025-03-08 17:58:55,801 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 17:58:55,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 17:58:55,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1102452, now seen corresponding path program 1 times [2025-03-08 17:58:55,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 17:58:55,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928043687] [2025-03-08 17:58:55,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:58:55,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:00:03,296 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-03-08 18:00:04,357 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-03-08 18:00:04,362 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:00:04,362 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:00:05,613 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-03-08 18:00:05,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:00:05,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928043687] [2025-03-08 18:00:05,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928043687] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:00:05,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [226688932] [2025-03-08 18:00:05,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:00:05,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:00:05,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:00:05,629 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 18:00:05,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process