./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness_negated.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_from_string_harness_negated.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 50b1ca614ebad9eb3dfd79de33e45d91140d59dc37b022f2a8ddcabf14cf16e8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:10:39,368 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:10:39,431 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:10:39,434 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:10:39,439 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:10:39,461 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:10:39,462 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:10:39,462 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:10:39,462 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:10:39,462 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:10:39,463 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:10:39,463 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:10:39,463 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:10:39,464 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:10:39,464 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:10:39,464 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:10:39,464 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:10:39,464 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:10:39,464 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:10:39,465 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:10:39,465 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:10:39,465 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:10:39,465 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:10:39,465 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:10:39,465 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:10:39,465 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:10:39,465 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:10:39,465 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:10:39,465 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:10:39,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:10:39,466 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:10:39,466 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:10:39,466 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:10:39,466 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:10:39,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:10:39,467 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:10:39,467 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:10:39,467 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:10:39,467 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:10:39,467 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:10:39,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:10:39,467 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:10:39,467 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:10:39,467 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:10:39,467 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:10:39,467 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 -> 50b1ca614ebad9eb3dfd79de33e45d91140d59dc37b022f2a8ddcabf14cf16e8 [2025-01-09 17:10:39,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:10:39,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:10:39,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:10:39,706 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:10:39,706 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:10:39,707 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness_negated.i [2025-01-09 17:10:40,931 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b2256cb3a/32ad35743d144733acc69838f8d9a54a/FLAG4bbe32d3a [2025-01-09 17:10:41,332 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:10:41,332 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness_negated.i [2025-01-09 17:10:41,363 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b2256cb3a/32ad35743d144733acc69838f8d9a54a/FLAG4bbe32d3a [2025-01-09 17:10:41,498 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b2256cb3a/32ad35743d144733acc69838f8d9a54a [2025-01-09 17:10:41,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:10:41,501 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:10:41,502 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:10:41,502 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:10:41,505 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:10:41,505 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:10:41" (1/1) ... [2025-01-09 17:10:41,506 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2590c0d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:41, skipping insertion in model container [2025-01-09 17:10:41,506 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:10:41" (1/1) ... [2025-01-09 17:10:41,562 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:10:41,695 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness_negated.i[4501,4514] [2025-01-09 17:10:41,700 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness_negated.i[4561,4574] [2025-01-09 17:10:42,148 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:42,149 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:42,149 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:42,150 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:42,150 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:42,159 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:42,159 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:42,160 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:42,160 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:42,569 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:42,570 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:42,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:10:42,725 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:10:42,735 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness_negated.i[4501,4514] [2025-01-09 17:10:42,736 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness_negated.i[4561,4574] [2025-01-09 17:10:42,782 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:42,783 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:42,784 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:42,784 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:42,784 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:42,788 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:42,788 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:42,789 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:42,789 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:42,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8221] [2025-01-09 17:10:42,875 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:42,875 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:42,885 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8707-8718] [2025-01-09 17:10:42,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:10:43,089 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:10:43,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:43 WrapperNode [2025-01-09 17:10:43,090 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:10:43,091 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:10:43,091 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:10:43,091 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:10:43,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:43" (1/1) ... [2025-01-09 17:10:43,165 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:43" (1/1) ... [2025-01-09 17:10:43,229 INFO L138 Inliner]: procedures = 682, calls = 2791, calls flagged for inlining = 59, calls inlined = 7, statements flattened = 848 [2025-01-09 17:10:43,229 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:10:43,230 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:10:43,230 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:10:43,231 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:10:43,237 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:43" (1/1) ... [2025-01-09 17:10:43,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:43" (1/1) ... [2025-01-09 17:10:43,252 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:43" (1/1) ... [2025-01-09 17:10:43,314 INFO L175 MemorySlicer]: Split 543 memory accesses to 6 slices as follows [2, 257, 5, 249, 16, 14]. 47 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 0, 5, 6, 16, 2]. The 494 writes are split as follows [0, 257, 0, 235, 0, 2]. [2025-01-09 17:10:43,316 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:43" (1/1) ... [2025-01-09 17:10:43,316 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:43" (1/1) ... [2025-01-09 17:10:43,355 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:43" (1/1) ... [2025-01-09 17:10:43,360 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:43" (1/1) ... [2025-01-09 17:10:43,362 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:43" (1/1) ... [2025-01-09 17:10:43,370 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:43" (1/1) ... [2025-01-09 17:10:43,379 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:43" (1/1) ... [2025-01-09 17:10:43,393 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:10:43,394 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:10:43,394 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:10:43,394 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:10:43,396 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:43" (1/1) ... [2025-01-09 17:10:43,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:10:43,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:10:43,425 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 17:10:43,428 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 17:10:43,447 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-01-09 17:10:43,447 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-01-09 17:10:43,447 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-01-09 17:10:43,447 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-01-09 17:10:43,447 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2025-01-09 17:10:43,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2025-01-09 17:10:43,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:10:43,448 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:10:43,448 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:10:43,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:10:43,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:10:43,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:10:43,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:10:43,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:10:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:10:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:10:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:10:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:10:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:10:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:10:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:10:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:10:43,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:10:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:10:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:10:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:10:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:10:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:10:43,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:10:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:10:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:10:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:10:43,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:10:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:10:43,451 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:10:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:10:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:10:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:10:43,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:10:43,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:10:43,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:10:43,452 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2025-01-09 17:10:43,452 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2025-01-09 17:10:43,452 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:10:43,452 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:10:43,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:10:43,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:10:43,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:10:43,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:10:43,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:10:43,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:10:43,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:10:43,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:10:43,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:10:43,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:10:43,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:10:43,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:10:43,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:10:43,453 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:10:43,454 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:10:43,454 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:10:43,454 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:10:43,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:10:43,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:10:43,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:10:43,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:10:43,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:10:43,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:10:43,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:10:43,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:10:43,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:10:43,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:10:43,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:10:43,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:10:43,699 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:10:43,701 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:10:50,623 INFO L? ?]: Removed 81 outVars from TransFormulas that were not future-live. [2025-01-09 17:10:50,623 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:10:50,633 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:10:50,633 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 17:10:50,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:10:50 BoogieIcfgContainer [2025-01-09 17:10:50,634 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:10:50,636 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:10:50,636 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:10:50,639 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:10:50,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:10:41" (1/3) ... [2025-01-09 17:10:50,640 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59beec24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:10:50, skipping insertion in model container [2025-01-09 17:10:50,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:43" (2/3) ... [2025-01-09 17:10:50,640 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59beec24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:10:50, skipping insertion in model container [2025-01-09 17:10:50,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:10:50" (3/3) ... [2025-01-09 17:10:50,641 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_string_harness_negated.i [2025-01-09 17:10:50,652 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:10:50,655 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_from_string_harness_negated.i that has 11 procedures, 104 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-01-09 17:10:50,690 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:10:50,699 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;@1353421a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:10:50,699 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:10:50,702 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 67 states have (on average 1.1791044776119404) internal successors, (79), 68 states have internal predecessors, (79), 25 states have call successors, (25), 10 states have call predecessors, (25), 10 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-01-09 17:10:50,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-01-09 17:10:50,709 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:10:50,710 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 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] [2025-01-09 17:10:50,710 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:10:50,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:10:50,714 INFO L85 PathProgramCache]: Analyzing trace with hash -886272952, now seen corresponding path program 1 times [2025-01-09 17:10:50,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:10:50,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276430514] [2025-01-09 17:10:50,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:10:50,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:11:55,419 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-01-09 17:11:55,865 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-01-09 17:11:55,865 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:11:55,865 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:11:56,509 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-01-09 17:11:56,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:11:56,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276430514] [2025-01-09 17:11:56,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276430514] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:11:56,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1099197407] [2025-01-09 17:11:56,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:11:56,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:11:56,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:11:56,513 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 17:11:56,525 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