./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_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_buf_write_from_whole_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 7d9514ee1b6f3a0027f117bcf81d6b26d525fe99251459ecef3c46cad248dd1f --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:38:05,362 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:38:05,414 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:38:05,420 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:38:05,423 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:38:05,445 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:38:05,445 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:38:05,445 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:38:05,446 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:38:05,446 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:38:05,446 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:38:05,446 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:38:05,447 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:38:05,447 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:38:05,447 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:38:05,447 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:38:05,447 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:38:05,447 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:38:05,447 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:38:05,447 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:38:05,447 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:38:05,447 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:38:05,448 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:38:05,448 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:38:05,448 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:38:05,448 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:38:05,448 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:38:05,448 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:38:05,448 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:38:05,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:38:05,448 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:38:05,448 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:38:05,449 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:38:05,449 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:38:05,449 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:38:05,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:38:05,449 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:38:05,449 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:38:05,449 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:38:05,449 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:38:05,449 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 -> 7d9514ee1b6f3a0027f117bcf81d6b26d525fe99251459ecef3c46cad248dd1f [2025-02-08 01:38:05,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:38:05,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:38:05,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:38:05,694 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:38:05,694 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:38:05,694 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_string_harness.i [2025-02-08 01:38:06,784 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f83ed085f/748d130bbad744a3a97af905828c4fa7/FLAG1e042e202 [2025-02-08 01:38:07,299 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:38:07,300 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_string_harness.i [2025-02-08 01:38:07,336 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f83ed085f/748d130bbad744a3a97af905828c4fa7/FLAG1e042e202 [2025-02-08 01:38:07,351 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f83ed085f/748d130bbad744a3a97af905828c4fa7 [2025-02-08 01:38:07,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:38:07,354 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:38:07,356 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:38:07,356 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:38:07,359 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:38:07,359 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:38:07" (1/1) ... [2025-02-08 01:38:07,360 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12881a3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:07, skipping insertion in model container [2025-02-08 01:38:07,360 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:38:07" (1/1) ... [2025-02-08 01:38:07,431 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:38:07,591 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_buf_write_from_whole_string_harness.i[4510,4523] [2025-02-08 01:38:07,598 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_buf_write_from_whole_string_harness.i[4570,4583] [2025-02-08 01:38:08,046 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:08,047 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:08,047 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:08,048 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:08,048 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:08,056 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:08,057 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:08,058 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:08,058 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:08,059 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:08,060 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:08,060 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:08,060 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:08,468 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:08,478 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:08,530 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:08,531 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:08,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:38:08,681 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:38:08,691 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_buf_write_from_whole_string_harness.i[4510,4523] [2025-02-08 01:38:08,694 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_buf_write_from_whole_string_harness.i[4570,4583] [2025-02-08 01:38:08,734 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:08,735 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:08,735 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:08,736 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:08,736 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:08,740 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:08,740 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:08,741 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:08,741 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:08,742 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:08,742 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:08,742 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:08,743 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:08,801 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:08,804 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:08,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8553] [2025-02-08 01:38:08,849 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:08,849 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:08,858 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [9039-9050] [2025-02-08 01:38:08,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:38:09,063 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:38:09,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:09 WrapperNode [2025-02-08 01:38:09,064 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:38:09,065 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:38:09,065 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:38:09,065 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:38:09,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:09" (1/1) ... [2025-02-08 01:38:09,147 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:09" (1/1) ... [2025-02-08 01:38:09,203 INFO L138 Inliner]: procedures = 684, calls = 3059, calls flagged for inlining = 70, calls inlined = 10, statements flattened = 980 [2025-02-08 01:38:09,203 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:38:09,204 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:38:09,204 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:38:09,204 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:38:09,212 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:09" (1/1) ... [2025-02-08 01:38:09,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:09" (1/1) ... [2025-02-08 01:38:09,217 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:09" (1/1) ... [2025-02-08 01:38:09,275 INFO L175 MemorySlicer]: Split 591 memory accesses to 7 slices as follows [21, 2, 257, 238, 16, 51, 6]. 43 percent of accesses are in the largest equivalence class. The 37 initializations are split as follows [5, 2, 0, 6, 16, 8, 0]. The 498 writes are split as follows [4, 0, 257, 232, 0, 3, 2]. [2025-02-08 01:38:09,280 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:09" (1/1) ... [2025-02-08 01:38:09,280 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:09" (1/1) ... [2025-02-08 01:38:09,324 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:09" (1/1) ... [2025-02-08 01:38:09,326 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:09" (1/1) ... [2025-02-08 01:38:09,356 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:09" (1/1) ... [2025-02-08 01:38:09,365 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:09" (1/1) ... [2025-02-08 01:38:09,383 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:38:09,383 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:38:09,383 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:38:09,383 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:38:09,384 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:09" (1/1) ... [2025-02-08 01:38:09,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:38:09,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:38:09,414 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 01:38:09,418 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 01:38:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-02-08 01:38:09,449 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-02-08 01:38:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-08 01:38:09,449 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-08 01:38:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2025-02-08 01:38:09,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2025-02-08 01:38:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:38:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:38:09,449 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:38:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2025-02-08 01:38:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2025-02-08 01:38:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2025-02-08 01:38:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2025-02-08 01:38:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2025-02-08 01:38:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2025-02-08 01:38:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#6 [2025-02-08 01:38:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-02-08 01:38:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-02-08 01:38:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-02-08 01:38:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-02-08 01:38:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-02-08 01:38:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-02-08 01:38:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-02-08 01:38:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:38:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:38:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:38:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:38:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:38:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 01:38:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-08 01:38:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:38:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:38:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:38:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:38:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:38:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 01:38:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-08 01:38:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-02-08 01:38:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-02-08 01:38:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-02-08 01:38:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-02-08 01:38:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-02-08 01:38:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-02-08 01:38:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-02-08 01:38:09,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-02-08 01:38:09,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-02-08 01:38:09,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-02-08 01:38:09,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-02-08 01:38:09,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-02-08 01:38:09,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-02-08 01:38:09,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-02-08 01:38:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:38:09,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:38:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:38:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:38:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:38:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:38:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:38:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:38:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:38:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 01:38:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-08 01:38:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:38:09,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:38:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:38:09,450 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:38:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-08 01:38:09,450 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-08 01:38:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-02-08 01:38:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-02-08 01:38:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-02-08 01:38:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-02-08 01:38:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-02-08 01:38:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-02-08 01:38:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-02-08 01:38:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:38:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:38:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:38:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:38:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:38:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 01:38:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-08 01:38:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2025-02-08 01:38:09,452 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2025-02-08 01:38:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:38:09,452 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:38:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:38:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:38:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:38:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:38:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:38:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:38:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 01:38:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-08 01:38:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2025-02-08 01:38:09,452 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2025-02-08 01:38:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:38:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:38:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:38:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:38:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:38:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 01:38:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-08 01:38:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:38:09,453 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:38:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-08 01:38:09,453 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-08 01:38:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:38:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:38:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:38:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:38:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:38:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 01:38:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-08 01:38:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2025-02-08 01:38:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2025-02-08 01:38:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2025-02-08 01:38:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2025-02-08 01:38:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2025-02-08 01:38:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2025-02-08 01:38:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#6 [2025-02-08 01:38:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:38:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:38:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:38:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:38:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:38:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 01:38:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-08 01:38:09,719 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:38:09,724 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:38:09,765 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc583.base, #t~malloc583.offset; [2025-02-08 01:38:09,785 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6305: havoc #t~mem498;havoc #t~short499;havoc #t~mem500;havoc #t~mem501;havoc #t~short502; [2025-02-08 01:38:09,803 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-08 01:38:09,847 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7619: havoc #t~mem813;havoc #t~mem814;havoc #t~short815;havoc #t~mem816.base, #t~mem816.offset;havoc #t~short817;havoc #t~mem818;havoc #t~mem819;havoc #t~mem820;havoc #t~short821;havoc #t~mem822;havoc #t~mem823.base, #t~mem823.offset;havoc #t~short824;havoc #t~short825;havoc #t~short826;havoc #t~short827; [2025-02-08 01:38:09,884 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6852: havoc #t~ret569#1.base, #t~ret569#1.offset; [2025-02-08 01:38:10,309 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:38:17,000 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1;save_byte_from_array_#t~ret628#1 := nondet_size_t_#res#1;havoc nondet_size_t_#t~nondet6#1;assume { :end_inline_nondet_size_t } true;call write~int#6(save_byte_from_array_#t~ret628#1, save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8);havoc save_byte_from_array_#t~ret628#1;call save_byte_from_array_#t~mem629#1 := read~int#6(save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8); [2025-02-08 01:38:17,000 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9810: havoc aws_byte_buf_write_from_whole_string_#t~ret1489#1.base, aws_byte_buf_write_from_whole_string_#t~ret1489#1.offset;havoc aws_byte_buf_write_from_whole_string_#t~mem1490#1;havoc aws_byte_buf_write_from_whole_string_#t~ret1491#1; [2025-02-08 01:38:17,000 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7186: havoc save_byte_from_array_#t~mem629#1;call save_byte_from_array_#t~mem630#1 := read~int#6(save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8);call save_byte_from_array_#t~mem631#1 := read~int#0(save_byte_from_array_~array#1.base, save_byte_from_array_~array#1.offset + (if save_byte_from_array_#t~mem630#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then save_byte_from_array_#t~mem630#1 % 18446744073709551616 % 18446744073709551616 else save_byte_from_array_#t~mem630#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616), 1);call write~int#6(save_byte_from_array_#t~mem631#1, save_byte_from_array_~storage#1.base, 8 + save_byte_from_array_~storage#1.offset, 1);havoc save_byte_from_array_#t~mem630#1;havoc save_byte_from_array_#t~mem631#1; [2025-02-08 01:38:17,000 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7186-1: SUMMARY for call assume_abort_if_not((if 0 == (if save_byte_from_array_#t~mem629#1 % 18446744073709551616 < save_byte_from_array_~size#1 % 18446744073709551616 then 1 else 0) then 0 else 1)); srcloc: null [2025-02-08 01:38:17,070 INFO L? ?]: Removed 246 outVars from TransFormulas that were not future-live. [2025-02-08 01:38:17,070 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:38:17,083 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:38:17,085 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:38:17,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:38:17 BoogieIcfgContainer [2025-02-08 01:38:17,086 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:38:17,089 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:38:17,089 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:38:17,092 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:38:17,092 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:38:07" (1/3) ... [2025-02-08 01:38:17,093 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14b2d691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:38:17, skipping insertion in model container [2025-02-08 01:38:17,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:09" (2/3) ... [2025-02-08 01:38:17,093 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14b2d691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:38:17, skipping insertion in model container [2025-02-08 01:38:17,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:38:17" (3/3) ... [2025-02-08 01:38:17,094 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_from_whole_string_harness.i [2025-02-08 01:38:17,105 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:38:17,108 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_write_from_whole_string_harness.i that has 20 procedures, 205 locations, 1 initial locations, 14 loop locations, and 1 error locations. [2025-02-08 01:38:17,155 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:38:17,164 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;@64efbb13, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:38:17,165 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:38:17,168 INFO L276 IsEmpty]: Start isEmpty. Operand has 175 states, 111 states have (on average 1.2792792792792793) internal successors, (142), 114 states have internal predecessors, (142), 47 states have call successors, (47), 13 states have call predecessors, (47), 13 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2025-02-08 01:38:17,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-02-08 01:38:17,174 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:38:17,175 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2025-02-08 01:38:17,175 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:38:17,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:38:17,181 INFO L85 PathProgramCache]: Analyzing trace with hash -44525748, now seen corresponding path program 1 times [2025-02-08 01:38:17,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:38:17,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395349546] [2025-02-08 01:38:17,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:38:17,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:39:24,659 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-02-08 01:39:25,179 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-02-08 01:39:25,180 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:39:25,180 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:39:25,945 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-02-08 01:39:25,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:39:25,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395349546] [2025-02-08 01:39:25,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395349546] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:39:25,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529858351] [2025-02-08 01:39:25,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:39:25,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:39:25,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:39:25,950 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 01:39:25,951 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