./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 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_compare_lookup_harness.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 8ccdea72ddab462e9567b7f56695cddd8d47da872c9a3d4b09c71a162ef49999 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 07:04:04,481 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:04:04,527 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:04:04,530 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:04:04,531 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:04:04,544 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:04:04,545 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:04:04,545 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:04:04,545 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:04:04,546 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:04:04,546 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:04:04,546 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:04:04,547 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:04:04,547 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:04:04,547 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:04:04,547 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:04:04,547 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:04:04,547 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:04:04,547 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:04:04,547 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:04:04,547 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:04:04,547 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:04:04,547 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:04:04,547 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:04:04,547 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:04:04,548 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:04:04,549 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:04:04,549 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:04:04,549 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:04:04,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:04:04,549 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:04:04,549 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:04:04,549 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:04:04,549 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:04:04,549 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:04:04,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:04:04,549 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:04:04,550 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:04:04,550 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:04:04,550 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:04:04,550 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 -> 8ccdea72ddab462e9567b7f56695cddd8d47da872c9a3d4b09c71a162ef49999 [2025-03-17 07:04:04,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:04:04,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:04:04,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:04:04,781 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:04:04,781 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:04:04,782 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i [2025-03-17 07:04:05,933 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/790bc88a4/d45a9cb9ada141abbed5f8588b6be8bd/FLAG75b05681b [2025-03-17 07:04:06,387 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:04:06,388 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i [2025-03-17 07:04:06,421 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/790bc88a4/d45a9cb9ada141abbed5f8588b6be8bd/FLAG75b05681b [2025-03-17 07:04:06,490 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/790bc88a4/d45a9cb9ada141abbed5f8588b6be8bd [2025-03-17 07:04:06,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:04:06,492 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:04:06,493 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:04:06,493 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:04:06,496 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:04:06,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:04:06" (1/1) ... [2025-03-17 07:04:06,497 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50843f34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:06, skipping insertion in model container [2025-03-17 07:04:06,497 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:04:06" (1/1) ... [2025-03-17 07:04:06,558 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:04:06,738 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_compare_lookup_harness.i[4504,4517] [2025-03-17 07:04:06,746 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_compare_lookup_harness.i[4564,4577] [2025-03-17 07:04:07,182 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:07,183 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:07,183 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:07,184 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:07,184 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:07,197 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:07,198 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:07,201 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:07,201 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:07,613 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:07,613 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:07,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:04:07,707 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:04:07,721 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_compare_lookup_harness.i[4504,4517] [2025-03-17 07:04:07,721 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_compare_lookup_harness.i[4564,4577] [2025-03-17 07:04:07,757 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:07,758 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:07,759 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:07,759 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:07,759 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:07,763 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:07,764 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:07,765 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:07,765 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:07,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2025-03-17 07:04:07,876 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:07,879 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:07,889 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2025-03-17 07:04:07,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:04:08,069 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:04:08,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:08 WrapperNode [2025-03-17 07:04:08,070 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:04:08,071 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:04:08,071 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:04:08,071 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:04:08,075 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:08" (1/1) ... [2025-03-17 07:04:08,139 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:08" (1/1) ... [2025-03-17 07:04:08,183 INFO L138 Inliner]: procedures = 680, calls = 2647, calls flagged for inlining = 58, calls inlined = 4, statements flattened = 835 [2025-03-17 07:04:08,184 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:04:08,184 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:04:08,184 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:04:08,184 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:04:08,193 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:08" (1/1) ... [2025-03-17 07:04:08,193 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:08" (1/1) ... [2025-03-17 07:04:08,199 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:08" (1/1) ... [2025-03-17 07:04:08,259 INFO L175 MemorySlicer]: Split 548 memory accesses to 8 slices as follows [2, 257, 238, 6, 2, 4, 34, 5]. 47 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 0, 0, 0, 4, 5]. The 494 writes are split as follows [0, 257, 232, 2, 0, 0, 3, 0]. [2025-03-17 07:04:08,260 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:08" (1/1) ... [2025-03-17 07:04:08,260 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:08" (1/1) ... [2025-03-17 07:04:08,287 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:08" (1/1) ... [2025-03-17 07:04:08,289 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:08" (1/1) ... [2025-03-17 07:04:08,293 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:08" (1/1) ... [2025-03-17 07:04:08,295 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:08" (1/1) ... [2025-03-17 07:04:08,307 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:04:08,311 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:04:08,311 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:04:08,311 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:04:08,311 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:08" (1/1) ... [2025-03-17 07:04:08,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:04:08,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:04:08,354 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) [2025-03-17 07:04:08,356 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 [2025-03-17 07:04:08,373 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-17 07:04:08,374 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-17 07:04:08,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:04:08,374 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 07:04:08,374 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 07:04:08,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:04:08,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:04:08,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:04:08,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:04:08,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:04:08,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 07:04:08,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 07:04:08,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-17 07:04:08,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:04:08,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:04:08,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:04:08,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:04:08,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:04:08,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 07:04:08,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 07:04:08,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-17 07:04:08,377 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2025-03-17 07:04:08,377 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2025-03-17 07:04:08,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:04:08,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:04:08,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:04:08,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:04:08,377 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-03-17 07:04:08,377 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-03-17 07:04:08,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:04:08,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:04:08,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:04:08,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:04:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:04:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 07:04:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 07:04:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-17 07:04:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:04:08,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:04:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:04:08,379 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:04:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-17 07:04:08,379 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-17 07:04:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:04:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:04:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:04:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:04:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:04:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 07:04:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 07:04:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-17 07:04:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:04:08,379 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:04:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:04:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 07:04:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 07:04:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 07:04:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 07:04:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 07:04:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 07:04:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 07:04:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-17 07:04:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:04:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:04:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:04:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:04:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:04:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 07:04:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-17 07:04:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-17 07:04:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:04:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:04:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:04:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:04:08,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:04:08,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 07:04:08,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 07:04:08,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-17 07:04:08,380 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-03-17 07:04:08,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-03-17 07:04:08,380 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_compare_lookup [2025-03-17 07:04:08,380 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_compare_lookup [2025-03-17 07:04:08,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:04:08,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:04:08,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:04:08,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:04:08,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:04:08,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 07:04:08,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 07:04:08,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-17 07:04:08,608 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:04:08,610 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:04:08,645 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-17 07:04:08,679 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-17 07:04:08,700 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6669: havoc #t~mem509; [2025-03-17 07:04:08,714 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 07:04:08,742 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7395: havoc #t~mem694;havoc #t~mem695;havoc #t~mem696.base, #t~mem696.offset;havoc #t~short697;havoc #t~mem698;havoc #t~mem699.base, #t~mem699.offset;havoc #t~short700;havoc #t~short701;havoc #t~short702;havoc #t~short703; [2025-03-17 07:04:15,631 INFO L? ?]: Removed 78 outVars from TransFormulas that were not future-live. [2025-03-17 07:04:15,631 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:04:15,639 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:04:15,641 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:04:15,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:04:15 BoogieIcfgContainer [2025-03-17 07:04:15,641 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:04:15,643 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:04:15,643 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:04:15,646 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:04:15,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:04:06" (1/3) ... [2025-03-17 07:04:15,647 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a12d134 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:04:15, skipping insertion in model container [2025-03-17 07:04:15,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:08" (2/3) ... [2025-03-17 07:04:15,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a12d134 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:04:15, skipping insertion in model container [2025-03-17 07:04:15,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:04:15" (3/3) ... [2025-03-17 07:04:15,649 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_compare_lookup_harness.i [2025-03-17 07:04:15,660 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:04:15,661 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_compare_lookup_harness.i that has 11 procedures, 130 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-17 07:04:15,705 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:04:15,714 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;@29ea9677, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:04:15,714 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:04:15,718 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 77 states have (on average 1.2597402597402598) internal successors, (97), 78 states have internal predecessors, (97), 41 states have call successors, (41), 10 states have call predecessors, (41), 10 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2025-03-17 07:04:15,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-03-17 07:04:15,727 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:04:15,727 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:04:15,727 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:04:15,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:04:15,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1622018118, now seen corresponding path program 1 times [2025-03-17 07:04:15,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:04:15,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52739863] [2025-03-17 07:04:15,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:04:15,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:05:24,004 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-17 07:05:24,564 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-17 07:05:24,568 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:05:24,569 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:05:25,314 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2025-03-17 07:05:25,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:05:25,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52739863] [2025-03-17 07:05:25,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52739863] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:05:25,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439240146] [2025-03-17 07:05:25,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:05:25,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:05:25,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:05:25,320 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) [2025-03-17 07:05:25,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process