./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 c00e63dc 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-?-c00e63d-m [2025-02-06 05:05:23,968 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 05:05:24,042 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 05:05:24,046 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 05:05:24,047 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 05:05:24,068 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 05:05:24,069 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 05:05:24,069 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 05:05:24,070 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 05:05:24,070 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 05:05:24,070 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 05:05:24,070 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 05:05:24,070 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 05:05:24,071 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 05:05:24,071 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 05:05:24,071 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 05:05:24,071 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 05:05:24,071 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 05:05:24,071 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 05:05:24,071 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 05:05:24,072 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 05:05:24,072 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 05:05:24,072 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 05:05:24,072 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 05:05:24,072 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 05:05:24,072 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 05:05:24,072 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 05:05:24,073 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 05:05:24,073 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 05:05:24,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:05:24,073 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 05:05:24,073 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 05:05:24,073 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 05:05:24,073 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 05:05:24,073 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 05:05:24,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 05:05:24,073 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 05:05:24,074 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 05:05:24,074 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 05:05:24,074 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 05:05:24,074 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 [2025-02-06 05:05:24,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 05:05:24,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 05:05:24,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 05:05:24,372 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 05:05:24,372 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 05:05:24,373 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness_negated.i [2025-02-06 05:05:25,740 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8a467205c/64461278b43a4d869fd669a41a358ded/FLAG0cd3cfbc3 [2025-02-06 05:05:26,347 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 05:05:26,348 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness_negated.i [2025-02-06 05:05:26,390 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8a467205c/64461278b43a4d869fd669a41a358ded/FLAG0cd3cfbc3 [2025-02-06 05:05:26,402 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8a467205c/64461278b43a4d869fd669a41a358ded [2025-02-06 05:05:26,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 05:05:26,406 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 05:05:26,407 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 05:05:26,407 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 05:05:26,411 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 05:05:26,412 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:05:26" (1/1) ... [2025-02-06 05:05:26,412 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff78f3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:26, skipping insertion in model container [2025-02-06 05:05:26,412 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:05:26" (1/1) ... [2025-02-06 05:05:26,481 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 05:05:26,726 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] [2025-02-06 05:05:26,734 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] [2025-02-06 05:05:27,289 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:27,290 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:27,290 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:27,291 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:27,292 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:27,312 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:27,312 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:27,314 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:27,315 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:27,805 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:27,806 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:27,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:05:27,983 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 05:05:28,003 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] [2025-02-06 05:05:28,003 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] [2025-02-06 05:05:28,078 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:28,079 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:28,079 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:28,079 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:28,080 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:28,084 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:28,085 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:28,085 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:28,086 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:28,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8221] [2025-02-06 05:05:28,198 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:28,199 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:28,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8707-8718] [2025-02-06 05:05:28,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:05:28,461 INFO L204 MainTranslator]: Completed translation [2025-02-06 05:05:28,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:28 WrapperNode [2025-02-06 05:05:28,462 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 05:05:28,463 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 05:05:28,463 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 05:05:28,463 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 05:05:28,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:28" (1/1) ... [2025-02-06 05:05:28,564 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:28" (1/1) ... [2025-02-06 05:05:28,644 INFO L138 Inliner]: procedures = 682, calls = 2791, calls flagged for inlining = 59, calls inlined = 7, statements flattened = 848 [2025-02-06 05:05:28,648 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 05:05:28,649 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 05:05:28,649 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 05:05:28,649 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 05:05:28,661 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:28" (1/1) ... [2025-02-06 05:05:28,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:28" (1/1) ... [2025-02-06 05:05:28,670 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:28" (1/1) ... [2025-02-06 05:05:28,743 INFO L175 MemorySlicer]: Split 543 memory accesses to 6 slices as follows [2, 249, 257, 5, 14, 16]. 47 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 6, 0, 5, 2, 16]. The 494 writes are split as follows [0, 235, 257, 0, 2, 0]. [2025-02-06 05:05:28,743 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:28" (1/1) ... [2025-02-06 05:05:28,743 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:28" (1/1) ... [2025-02-06 05:05:28,788 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:28" (1/1) ... [2025-02-06 05:05:28,793 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:28" (1/1) ... [2025-02-06 05:05:28,809 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:28" (1/1) ... [2025-02-06 05:05:28,817 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:28" (1/1) ... [2025-02-06 05:05:28,833 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 05:05:28,837 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 05:05:28,837 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 05:05:28,837 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 05:05:28,838 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:28" (1/1) ... [2025-02-06 05:05:28,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:05:28,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:05:28,902 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) [2025-02-06 05:05:28,908 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 [2025-02-06 05:05:28,927 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-02-06 05:05:28,928 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-02-06 05:05:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-02-06 05:05:28,928 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-02-06 05:05:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2025-02-06 05:05:28,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2025-02-06 05:05:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 05:05:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 05:05:28,929 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 05:05:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 05:05:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 05:05:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 05:05:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 05:05:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 05:05:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 05:05:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 05:05:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 05:05:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 05:05:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 05:05:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 05:05:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 05:05:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 05:05:28,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 05:05:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 05:05:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 05:05:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 05:05:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 05:05:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 05:05:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 05:05:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 05:05:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 05:05:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 05:05:28,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 05:05:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 05:05:28,931 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 05:05:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 05:05:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 05:05:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 05:05:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 05:05:28,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 05:05:28,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 05:05:28,932 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2025-02-06 05:05:28,932 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2025-02-06 05:05:28,932 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 05:05:28,932 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 05:05:28,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 05:05:28,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 05:05:28,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 05:05:28,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 05:05:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 05:05:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 05:05:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 05:05:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 05:05:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 05:05:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 05:05:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 05:05:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 05:05:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 05:05:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 05:05:28,934 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 05:05:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 05:05:28,934 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 05:05:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 05:05:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 05:05:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 05:05:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 05:05:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 05:05:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 05:05:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 05:05:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 05:05:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 05:05:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 05:05:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 05:05:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 05:05:29,193 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 05:05:29,194 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 05:05:29,232 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 05:05:29,266 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6244: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2025-02-06 05:05:29,270 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 05:05:29,285 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 05:05:29,315 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7339: 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; [2025-02-06 05:05:29,347 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791: havoc #t~ret543#1.base, #t~ret543#1.offset; [2025-02-06 05:05:36,975 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8209: 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; [2025-02-06 05:05:36,975 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9484: 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; [2025-02-06 05:05:37,014 INFO L? ?]: Removed 81 outVars from TransFormulas that were not future-live. [2025-02-06 05:05:37,015 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 05:05:37,025 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 05:05:37,026 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 05:05:37,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:05:37 BoogieIcfgContainer [2025-02-06 05:05:37,027 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 05:05:37,029 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 05:05:37,030 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 05:05:37,034 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 05:05:37,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 05:05:26" (1/3) ... [2025-02-06 05:05:37,036 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1853ba22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:05:37, skipping insertion in model container [2025-02-06 05:05:37,036 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:28" (2/3) ... [2025-02-06 05:05:37,036 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1853ba22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:05:37, skipping insertion in model container [2025-02-06 05:05:37,036 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:05:37" (3/3) ... [2025-02-06 05:05:37,038 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_string_harness_negated.i [2025-02-06 05:05:37,051 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 05:05:37,055 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. [2025-02-06 05:05:37,114 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 05:05:37,127 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;@3c000368, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 05:05:37,128 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 05:05:37,132 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) [2025-02-06 05:05:37,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-02-06 05:05:37,141 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:05:37,141 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] [2025-02-06 05:05:37,142 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:05:37,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:05:37,147 INFO L85 PathProgramCache]: Analyzing trace with hash -887177288, now seen corresponding path program 1 times [2025-02-06 05:05:37,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:05:37,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245576653] [2025-02-06 05:05:37,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:05:37,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:06:43,147 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-02-06 05:06:43,810 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-02-06 05:06:43,810 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:06:43,811 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:06:44,811 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-02-06 05:06:44,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:06:44,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245576653] [2025-02-06 05:06:44,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245576653] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:06:44,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745604312] [2025-02-06 05:06:44,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:06:44,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:06:44,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:06:44,818 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) [2025-02-06 05:06:44,819 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