./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.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_string_eq_byte_cursor_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 caa9ea3c4b01be424b9d4542ff8acdcb39307db8022d65ba85a629a6a4ef591a --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 18:18:37,294 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 18:18:37,354 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 18:18:37,359 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 18:18:37,359 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 18:18:37,378 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 18:18:37,379 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 18:18:37,379 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 18:18:37,380 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 18:18:37,380 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 18:18:37,380 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 18:18:37,381 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 18:18:37,381 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 18:18:37,381 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 18:18:37,381 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 18:18:37,382 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 18:18:37,382 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 18:18:37,382 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 18:18:37,382 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 18:18:37,382 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 18:18:37,382 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 18:18:37,382 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 18:18:37,382 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 18:18:37,382 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 18:18:37,383 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 18:18:37,383 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 18:18:37,383 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 18:18:37,383 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 18:18:37,383 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 18:18:37,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:18:37,383 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 18:18:37,384 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 18:18:37,384 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 18:18:37,384 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 18:18:37,384 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 18:18:37,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 18:18:37,384 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 18:18:37,385 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 18:18:37,385 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 18:18:37,385 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 18:18:37,385 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 -> caa9ea3c4b01be424b9d4542ff8acdcb39307db8022d65ba85a629a6a4ef591a [2025-03-08 18:18:37,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 18:18:37,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 18:18:37,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 18:18:37,653 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 18:18:37,653 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 18:18:37,656 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.i [2025-03-08 18:18:38,795 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/278f4c6af/1f06dac3c667440ebceeefd223998c6d/FLAG0cbd21568 [2025-03-08 18:18:39,213 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 18:18:39,214 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.i [2025-03-08 18:18:39,241 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/278f4c6af/1f06dac3c667440ebceeefd223998c6d/FLAG0cbd21568 [2025-03-08 18:18:39,254 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/278f4c6af/1f06dac3c667440ebceeefd223998c6d [2025-03-08 18:18:39,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 18:18:39,257 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 18:18:39,258 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 18:18:39,258 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 18:18:39,262 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 18:18:39,262 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:18:39" (1/1) ... [2025-03-08 18:18:39,263 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c85c37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:39, skipping insertion in model container [2025-03-08 18:18:39,263 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:18:39" (1/1) ... [2025-03-08 18:18:39,330 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 18:18:39,565 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_string_eq_byte_cursor_harness.i[4499,4512] [2025-03-08 18:18:39,573 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_string_eq_byte_cursor_harness.i[4559,4572] [2025-03-08 18:18:40,184 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:40,184 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:40,185 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:40,185 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:40,186 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:40,194 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:40,195 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:40,196 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:40,196 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:40,639 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:40,640 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:40,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:18:40,784 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 18:18:40,794 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_string_eq_byte_cursor_harness.i[4499,4512] [2025-03-08 18:18:40,797 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_string_eq_byte_cursor_harness.i[4559,4572] [2025-03-08 18:18:40,831 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:40,832 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:40,832 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:40,833 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:40,834 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:40,838 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:40,838 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:40,839 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:40,840 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:40,921 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8253] [2025-03-08 18:18:40,923 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:40,923 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:40,933 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8739-8750] [2025-03-08 18:18:40,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:18:41,133 INFO L204 MainTranslator]: Completed translation [2025-03-08 18:18:41,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:41 WrapperNode [2025-03-08 18:18:41,133 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 18:18:41,134 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 18:18:41,134 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 18:18:41,134 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 18:18:41,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:41" (1/1) ... [2025-03-08 18:18:41,196 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:41" (1/1) ... [2025-03-08 18:18:41,248 INFO L138 Inliner]: procedures = 682, calls = 2795, calls flagged for inlining = 60, calls inlined = 7, statements flattened = 879 [2025-03-08 18:18:41,252 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 18:18:41,252 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 18:18:41,252 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 18:18:41,252 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 18:18:41,259 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:41" (1/1) ... [2025-03-08 18:18:41,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:41" (1/1) ... [2025-03-08 18:18:41,265 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:41" (1/1) ... [2025-03-08 18:18:41,320 INFO L175 MemorySlicer]: Split 543 memory accesses to 7 slices as follows [2, 13, 257, 238, 16, 12, 5]. 47 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 2, 0, 6, 16, 0, 5]. The 493 writes are split as follows [0, 1, 257, 232, 0, 3, 0]. [2025-03-08 18:18:41,320 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:41" (1/1) ... [2025-03-08 18:18:41,321 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:41" (1/1) ... [2025-03-08 18:18:41,345 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:41" (1/1) ... [2025-03-08 18:18:41,347 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:41" (1/1) ... [2025-03-08 18:18:41,356 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:41" (1/1) ... [2025-03-08 18:18:41,358 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:41" (1/1) ... [2025-03-08 18:18:41,373 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 18:18:41,375 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 18:18:41,376 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 18:18:41,376 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 18:18:41,376 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:41" (1/1) ... [2025-03-08 18:18:41,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:18:41,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:18:41,411 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 18:18:41,416 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 18:18:41,430 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-03-08 18:18:41,430 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-03-08 18:18:41,430 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-08 18:18:41,430 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-08 18:18:41,430 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2025-03-08 18:18:41,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2025-03-08 18:18:41,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 18:18:41,430 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 18:18:41,430 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 18:18:41,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 18:18:41,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 18:18:41,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 18:18:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 18:18:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 18:18:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 18:18:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 18:18:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 18:18:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 18:18:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 18:18:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 18:18:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 18:18:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 18:18:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 18:18:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 18:18:41,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 18:18:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 18:18:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 18:18:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 18:18:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 18:18:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 18:18:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 18:18:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 18:18:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 18:18:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 18:18:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 18:18:41,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 18:18:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 18:18:41,433 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 18:18:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 18:18:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 18:18:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 18:18:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 18:18:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 18:18:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 18:18:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 18:18:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 18:18:41,434 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 18:18:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 18:18:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 18:18:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 18:18:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 18:18:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 18:18:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 18:18:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 18:18:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 18:18:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-03-08 18:18:41,435 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-03-08 18:18:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 18:18:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 18:18:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 18:18:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 18:18:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 18:18:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 18:18:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 18:18:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 18:18:41,436 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 18:18:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-08 18:18:41,436 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-08 18:18:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 18:18:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 18:18:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 18:18:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 18:18:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 18:18:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 18:18:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 18:18:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 18:18:41,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 18:18:41,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 18:18:41,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 18:18:41,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 18:18:41,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 18:18:41,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 18:18:41,694 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 18:18:41,695 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 18:18:41,726 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-08 18:18:41,750 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6256: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2025-03-08 18:18:41,753 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-08 18:18:41,773 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7703: havoc #t~nondet817; [2025-03-08 18:18:41,785 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 18:18:41,816 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7371: 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 18:18:41,852 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6803: havoc #t~ret543#1.base, #t~ret543#1.offset; [2025-03-08 18:18:48,760 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9349: havoc aws_string_eq_byte_cursor_#t~mem1302#1;havoc aws_string_eq_byte_cursor_#t~mem1303#1.base, aws_string_eq_byte_cursor_#t~mem1303#1.offset;havoc aws_string_eq_byte_cursor_#t~mem1304#1;havoc aws_string_eq_byte_cursor_#t~ret1305#1; [2025-03-08 18:18:48,787 INFO L? ?]: Removed 99 outVars from TransFormulas that were not future-live. [2025-03-08 18:18:48,787 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 18:18:48,794 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 18:18:48,796 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 18:18:48,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:18:48 BoogieIcfgContainer [2025-03-08 18:18:48,796 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 18:18:48,798 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 18:18:48,798 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 18:18:48,802 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 18:18:48,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 06:18:39" (1/3) ... [2025-03-08 18:18:48,803 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63b587fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:18:48, skipping insertion in model container [2025-03-08 18:18:48,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:41" (2/3) ... [2025-03-08 18:18:48,804 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63b587fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:18:48, skipping insertion in model container [2025-03-08 18:18:48,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:18:48" (3/3) ... [2025-03-08 18:18:48,806 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_string_eq_byte_cursor_harness.i [2025-03-08 18:18:48,816 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 18:18:48,819 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_string_eq_byte_cursor_harness.i that has 11 procedures, 123 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-08 18:18:48,857 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 18:18:48,865 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;@4b4f55e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 18:18:48,865 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 18:18:48,867 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 82 states have (on average 1.2804878048780488) internal successors, (105), 83 states have internal predecessors, (105), 29 states have call successors, (29), 10 states have call predecessors, (29), 10 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-03-08 18:18:48,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-03-08 18:18:48,873 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:18:48,873 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2025-03-08 18:18:48,873 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:18:48,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:18:48,876 INFO L85 PathProgramCache]: Analyzing trace with hash -456262206, now seen corresponding path program 1 times [2025-03-08 18:18:48,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:18:48,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023432586] [2025-03-08 18:18:48,882 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:18:48,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:19:53,899 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-03-08 18:19:54,424 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-03-08 18:19:54,425 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:19:54,425 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:19:56,413 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-03-08 18:19:56,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:19:56,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023432586] [2025-03-08 18:19:56,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023432586] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:19:56,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119507415] [2025-03-08 18:19:56,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:19:56,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:19:56,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:19:56,417 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 18:19:56,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process