./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d 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.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 c3b06783378816ab028e38f9f4609990f4d1028238bbcb0e88638ebb644bb54d --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:42:03,341 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:42:03,410 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:42:03,416 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:42:03,416 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:42:03,443 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:42:03,444 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:42:03,444 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:42:03,445 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:42:03,445 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:42:03,446 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:42:03,446 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:42:03,446 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:42:03,446 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:42:03,447 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:42:03,447 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:42:03,447 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:42:03,447 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:42:03,447 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:42:03,447 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:42:03,448 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:42:03,448 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:42:03,448 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:42:03,448 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:42:03,448 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:42:03,448 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:42:03,448 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:42:03,448 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:42:03,449 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:42:03,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:42:03,449 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:42:03,449 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:42:03,449 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:42:03,450 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:42:03,450 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:42:03,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:42:03,450 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:42:03,450 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:42:03,450 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:42:03,450 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:42:03,450 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 -> c3b06783378816ab028e38f9f4609990f4d1028238bbcb0e88638ebb644bb54d [2025-02-08 01:42:03,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:42:03,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:42:03,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:42:03,735 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:42:03,735 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:42:03,737 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i [2025-02-08 01:42:05,004 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/843da6120/a9d8e6ca6c5746e990c4614256943878/FLAG3f09b6358 [2025-02-08 01:42:05,544 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:42:05,545 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i [2025-02-08 01:42:05,585 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/843da6120/a9d8e6ca6c5746e990c4614256943878/FLAG3f09b6358 [2025-02-08 01:42:05,604 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/843da6120/a9d8e6ca6c5746e990c4614256943878 [2025-02-08 01:42:05,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:42:05,607 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:42:05,611 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:42:05,611 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:42:05,615 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:42:05,616 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:42:05" (1/1) ... [2025-02-08 01:42:05,617 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18c9f299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:42:05, skipping insertion in model container [2025-02-08 01:42:05,619 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:42:05" (1/1) ... [2025-02-08 01:42:05,721 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:42:06,000 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.i[4501,4514] [2025-02-08 01:42:06,011 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.i[4561,4574] [2025-02-08 01:42:06,723 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:06,723 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:06,724 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:06,725 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:06,725 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:06,736 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:06,737 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:06,738 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:06,739 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:07,242 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:07,243 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:07,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:42:07,425 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:42:07,443 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.i[4501,4514] [2025-02-08 01:42:07,444 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.i[4561,4574] [2025-02-08 01:42:07,492 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:07,492 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:07,493 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:07,494 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:07,495 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:07,500 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:07,500 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:07,501 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:07,501 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:07,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8253] [2025-02-08 01:42:07,611 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:07,611 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:42:07,624 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8739-8750] [2025-02-08 01:42:07,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:42:07,899 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:42:07,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:42:07 WrapperNode [2025-02-08 01:42:07,900 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:42:07,901 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:42:07,901 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:42:07,901 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:42:07,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:42:07" (1/1) ... [2025-02-08 01:42:07,983 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:42:07" (1/1) ... [2025-02-08 01:42:08,051 INFO L138 Inliner]: procedures = 682, calls = 2791, calls flagged for inlining = 59, calls inlined = 7, statements flattened = 848 [2025-02-08 01:42:08,051 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:42:08,052 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:42:08,052 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:42:08,052 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:42:08,069 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:42:07" (1/1) ... [2025-02-08 01:42:08,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:42:07" (1/1) ... [2025-02-08 01:42:08,077 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:42:07" (1/1) ... [2025-02-08 01:42:08,130 INFO L175 MemorySlicer]: Split 543 memory accesses to 6 slices as follows [2, 257, 16, 249, 5, 14]. 47 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 0, 16, 6, 5, 2]. The 494 writes are split as follows [0, 257, 0, 235, 0, 2]. [2025-02-08 01:42:08,130 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:42:07" (1/1) ... [2025-02-08 01:42:08,131 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:42:07" (1/1) ... [2025-02-08 01:42:08,165 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:42:07" (1/1) ... [2025-02-08 01:42:08,168 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:42:07" (1/1) ... [2025-02-08 01:42:08,179 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:42:07" (1/1) ... [2025-02-08 01:42:08,186 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:42:07" (1/1) ... [2025-02-08 01:42:08,202 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:42:08,203 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:42:08,203 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:42:08,203 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:42:08,204 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:42:07" (1/1) ... [2025-02-08 01:42:08,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:42:08,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:42:08,235 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) [2025-02-08 01:42:08,241 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 [2025-02-08 01:42:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-02-08 01:42:08,260 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-02-08 01:42:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-02-08 01:42:08,261 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-02-08 01:42:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2025-02-08 01:42:08,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2025-02-08 01:42:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:42:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:42:08,262 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:42:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:42:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:42:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:42:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:42:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:42:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 01:42:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:42:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:42:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:42:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:42:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:42:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 01:42:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:42:08,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:42:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:42:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:42:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:42:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:42:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:42:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:42:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:42:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 01:42:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:42:08,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:42:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:42:08,264 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:42:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:42:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:42:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:42:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:42:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:42:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 01:42:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2025-02-08 01:42:08,264 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2025-02-08 01:42:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:42:08,264 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:42:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:42:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:42:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:42:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:42:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:42:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:42:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 01:42:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:42:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:42:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:42:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:42:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:42:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 01:42:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:42:08,265 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:42:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-08 01:42:08,265 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-08 01:42:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:42:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:42:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:42:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:42:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:42:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 01:42:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:42:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:42:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:42:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:42:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:42:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 01:42:08,546 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:42:08,547 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:42:08,585 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 01:42:08,614 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6256: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2025-02-08 01:42:08,617 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-08 01:42:08,632 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:42:08,693 INFO L1324 $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; [2025-02-08 01:42:08,725 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6803: havoc #t~ret543#1.base, #t~ret543#1.offset; [2025-02-08 01:42:16,084 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9518: havoc aws_byte_cursor_from_string_#t~ret1346#1.base, aws_byte_cursor_from_string_#t~ret1346#1.offset;havoc aws_byte_cursor_from_string_#t~mem1347#1;havoc aws_byte_cursor_from_string_#t~ret1348#1.len, aws_byte_cursor_from_string_#t~ret1348#1.ptr.base, aws_byte_cursor_from_string_#t~ret1348#1.ptr.offset; [2025-02-08 01:42:16,084 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8241: havoc aws_byte_cursor_from_array_#t~mem1080#1;havoc aws_byte_cursor_from_array_#t~mem1081#1.base, aws_byte_cursor_from_array_#t~mem1081#1.offset;call ULTIMATE.dealloc(aws_byte_cursor_from_array_~#cur~2#1.base, aws_byte_cursor_from_array_~#cur~2#1.offset);havoc aws_byte_cursor_from_array_~#cur~2#1.base, aws_byte_cursor_from_array_~#cur~2#1.offset; [2025-02-08 01:42:16,125 INFO L? ?]: Removed 78 outVars from TransFormulas that were not future-live. [2025-02-08 01:42:16,125 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:42:16,136 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:42:16,136 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:42:16,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:42:16 BoogieIcfgContainer [2025-02-08 01:42:16,136 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:42:16,142 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:42:16,142 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:42:16,146 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:42:16,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:42:05" (1/3) ... [2025-02-08 01:42:16,147 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fde059d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:42:16, skipping insertion in model container [2025-02-08 01:42:16,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:42:07" (2/3) ... [2025-02-08 01:42:16,148 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fde059d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:42:16, skipping insertion in model container [2025-02-08 01:42:16,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:42:16" (3/3) ... [2025-02-08 01:42:16,149 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_string_harness.i [2025-02-08 01:42:16,162 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:42:16,164 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_from_string_harness.i that has 11 procedures, 100 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-08 01:42:16,217 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:42:16,228 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;@3a1e55a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:42:16,232 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:42:16,235 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 63 states have (on average 1.1904761904761905) internal successors, (75), 64 states have internal predecessors, (75), 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) [2025-02-08 01:42:16,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-02-08 01:42:16,244 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:42:16,245 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] [2025-02-08 01:42:16,245 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:42:16,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:42:16,251 INFO L85 PathProgramCache]: Analyzing trace with hash 326974042, now seen corresponding path program 1 times [2025-02-08 01:42:16,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:42:16,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043055095] [2025-02-08 01:42:16,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:42:16,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:43:24,436 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-02-08 01:43:25,098 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-02-08 01:43:25,099 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:43:25,099 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:43:26,004 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-02-08 01:43:26,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:43:26,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043055095] [2025-02-08 01:43:26,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043055095] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:43:26,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029982174] [2025-02-08 01:43:26,006 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:43:26,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:43:26,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:43:26,010 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) [2025-02-08 01:43:26,014 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