./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fa640d76b01d20471995032e33acbe8cd362fa74ac26bb02247b6be5b51a4b6c --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:07:41,540 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:07:41,607 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:07:41,615 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:07:41,615 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:07:41,643 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:07:41,645 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:07:41,645 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:07:41,645 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:07:41,645 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:07:41,646 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:07:41,646 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:07:41,647 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:07:41,647 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:07:41,647 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:07:41,648 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:07:41,648 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:07:41,648 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:07:41,648 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:07:41,648 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:07:41,648 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:07:41,648 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:07:41,648 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:07:41,649 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:07:41,649 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:07:41,649 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:07:41,649 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:07:41,649 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:07:41,649 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:07:41,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:07:41,649 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:07:41,649 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:07:41,650 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:07:41,650 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:07:41,650 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:07:41,650 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:07:41,651 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:07:41,651 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:07:41,651 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:07:41,651 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:07:41,651 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:07:41,651 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:07:41,651 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:07:41,651 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:07:41,651 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:07:41,651 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa640d76b01d20471995032e33acbe8cd362fa74ac26bb02247b6be5b51a4b6c [2025-01-09 17:07:41,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:07:41,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:07:41,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:07:41,916 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:07:41,917 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:07:41,918 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i [2025-01-09 17:07:43,169 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6e3003907/e07554d442754365bd99423614b04cac/FLAG6935f44f9 [2025-01-09 17:07:43,751 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:07:43,752 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i [2025-01-09 17:07:43,788 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6e3003907/e07554d442754365bd99423614b04cac/FLAG6935f44f9 [2025-01-09 17:07:43,800 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6e3003907/e07554d442754365bd99423614b04cac [2025-01-09 17:07:43,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:07:43,803 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:07:43,804 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:07:43,804 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:07:43,807 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:07:43,808 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:07:43" (1/1) ... [2025-01-09 17:07:43,808 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66300486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:07:43, skipping insertion in model container [2025-01-09 17:07:43,809 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:07:43" (1/1) ... [2025-01-09 17:07:43,894 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:07:44,100 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i[4505,4518] [2025-01-09 17:07:44,107 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i[4565,4578] [2025-01-09 17:07:44,650 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:44,650 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:44,651 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:44,651 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:44,652 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:44,666 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:44,667 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:44,668 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:44,669 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:45,113 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:45,113 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:45,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:07:45,268 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:07:45,281 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i[4505,4518] [2025-01-09 17:07:45,281 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i[4565,4578] [2025-01-09 17:07:45,329 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:45,329 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:45,329 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:45,330 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:45,331 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:45,337 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:45,338 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:45,340 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:45,340 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:45,472 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2025-01-09 17:07:45,473 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:45,474 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:45,486 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2025-01-09 17:07:45,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:07:45,721 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:07:45,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:07:45 WrapperNode [2025-01-09 17:07:45,724 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:07:45,724 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:07:45,725 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:07:45,725 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:07:45,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:07:45" (1/1) ... [2025-01-09 17:07:45,823 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:07:45" (1/1) ... [2025-01-09 17:07:45,904 INFO L138 Inliner]: procedures = 680, calls = 2654, calls flagged for inlining = 59, calls inlined = 6, statements flattened = 928 [2025-01-09 17:07:45,905 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:07:45,905 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:07:45,905 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:07:45,905 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:07:45,913 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:07:45" (1/1) ... [2025-01-09 17:07:45,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:07:45" (1/1) ... [2025-01-09 17:07:45,921 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:07:45" (1/1) ... [2025-01-09 17:07:46,007 INFO L175 MemorySlicer]: Split 558 memory accesses to 7 slices as follows [2, 257, 238, 4, 46, 6, 5]. 46 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 0, 4, 0, 5]. The 494 writes are split as follows [0, 257, 232, 0, 3, 2, 0]. [2025-01-09 17:07:46,010 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:07:45" (1/1) ... [2025-01-09 17:07:46,010 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:07:45" (1/1) ... [2025-01-09 17:07:46,054 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:07:45" (1/1) ... [2025-01-09 17:07:46,061 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:07:45" (1/1) ... [2025-01-09 17:07:46,067 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:07:45" (1/1) ... [2025-01-09 17:07:46,081 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:07:45" (1/1) ... [2025-01-09 17:07:46,089 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:07:45" (1/1) ... [2025-01-09 17:07:46,109 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:07:46,109 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:07:46,109 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:07:46,110 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:07:46,113 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:07:45" (1/1) ... [2025-01-09 17:07:46,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:07:46,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:07:46,149 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 17:07:46,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 17:07:46,175 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-01-09 17:07:46,176 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-01-09 17:07:46,176 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_compare_lexical [2025-01-09 17:07:46,176 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_compare_lexical [2025-01-09 17:07:46,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:07:46,176 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:07:46,176 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:07:46,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:07:46,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:07:46,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:07:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:07:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:07:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:07:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 17:07:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:07:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:07:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:07:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:07:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:07:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:07:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 17:07:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2025-01-09 17:07:46,179 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2025-01-09 17:07:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:07:46,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:07:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:07:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:07:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-01-09 17:07:46,179 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-01-09 17:07:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:07:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:07:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:07:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:07:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:07:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:07:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 17:07:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:07:46,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:07:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:07:46,180 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:07:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-01-09 17:07:46,180 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-01-09 17:07:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:07:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:07:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:07:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:07:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:07:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:07:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 17:07:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:07:46,180 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:07:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:07:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:07:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:07:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:07:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:07:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:07:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:07:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 17:07:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:07:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:07:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:07:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:07:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:07:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:07:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 17:07:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:07:46,181 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:07:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:07:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:07:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:07:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:07:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:07:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:07:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 17:07:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-01-09 17:07:46,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-01-09 17:07:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:07:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:07:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:07:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:07:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:07:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:07:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 17:07:46,481 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:07:46,483 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:07:54,552 INFO L? ?]: Removed 95 outVars from TransFormulas that were not future-live. [2025-01-09 17:07:54,553 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:07:54,566 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:07:54,567 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 17:07:54,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:07:54 BoogieIcfgContainer [2025-01-09 17:07:54,567 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:07:54,569 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:07:54,569 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:07:54,573 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:07:54,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:07:43" (1/3) ... [2025-01-09 17:07:54,573 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45a3dade and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:07:54, skipping insertion in model container [2025-01-09 17:07:54,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:07:45" (2/3) ... [2025-01-09 17:07:54,574 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45a3dade and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:07:54, skipping insertion in model container [2025-01-09 17:07:54,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:07:54" (3/3) ... [2025-01-09 17:07:54,576 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_compare_lexical_harness.i [2025-01-09 17:07:54,587 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:07:54,590 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_compare_lexical_harness.i that has 12 procedures, 149 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-01-09 17:07:54,645 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:07:54,657 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;@585664ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:07:54,657 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:07:54,662 INFO L276 IsEmpty]: Start isEmpty. Operand has 149 states, 90 states have (on average 1.2222222222222223) internal successors, (110), 91 states have internal predecessors, (110), 46 states have call successors, (46), 11 states have call predecessors, (46), 11 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-01-09 17:07:54,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-01-09 17:07:54,674 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:07:54,674 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:07:54,675 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:07:54,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:07:54,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1411432407, now seen corresponding path program 1 times [2025-01-09 17:07:54,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:07:54,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513287336] [2025-01-09 17:07:54,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:07:54,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:09:02,742 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-01-09 17:09:03,396 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-01-09 17:09:03,398 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:09:03,398 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:09:04,300 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2025-01-09 17:09:04,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:09:04,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513287336] [2025-01-09 17:09:04,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513287336] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:09:04,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301294981] [2025-01-09 17:09:04,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:09:04,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:09:04,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:09:04,307 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:09:04,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process