./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_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_read_be16_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 df84751ae907cf8e2f81d69c2889b453b5ccdd1cae9e7b45e78c48443104a63e --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 05:06:51,497 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 05:06:51,558 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 05:06:51,563 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 05:06:51,563 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 05:06:51,585 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 05:06:51,586 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 05:06:51,587 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 05:06:51,587 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 05:06:51,587 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 05:06:51,588 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 05:06:51,588 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 05:06:51,588 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 05:06:51,588 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 05:06:51,589 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 05:06:51,589 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 05:06:51,589 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 05:06:51,589 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 05:06:51,589 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 05:06:51,589 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 05:06:51,590 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 05:06:51,590 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 05:06:51,590 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 05:06:51,590 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 05:06:51,590 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 05:06:51,590 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 05:06:51,590 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 05:06:51,590 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 05:06:51,590 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 05:06:51,590 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:06:51,590 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 05:06:51,590 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 05:06:51,591 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 05:06:51,591 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 05:06:51,591 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 05:06:51,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 05:06:51,591 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 05:06:51,591 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 05:06:51,592 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 05:06:51,592 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 05:06:51,592 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 -> df84751ae907cf8e2f81d69c2889b453b5ccdd1cae9e7b45e78c48443104a63e [2025-02-06 05:06:51,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 05:06:51,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 05:06:51,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 05:06:51,817 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 05:06:51,817 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 05:06:51,818 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness_negated.i [2025-02-06 05:06:52,967 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2fe4e5823/e25c6e869c024e1987b4208674880c4f/FLAG73a530b39 [2025-02-06 05:06:53,401 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 05:06:53,403 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness_negated.i [2025-02-06 05:06:53,445 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2fe4e5823/e25c6e869c024e1987b4208674880c4f/FLAG73a530b39 [2025-02-06 05:06:53,461 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2fe4e5823/e25c6e869c024e1987b4208674880c4f [2025-02-06 05:06:53,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 05:06:53,465 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 05:06:53,466 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 05:06:53,467 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 05:06:53,470 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 05:06:53,471 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:06:53" (1/1) ... [2025-02-06 05:06:53,471 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f30fb0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:06:53, skipping insertion in model container [2025-02-06 05:06:53,472 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:06:53" (1/1) ... [2025-02-06 05:06:53,552 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 05:06:53,734 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_read_be16_harness_negated.i[4499,4512] [2025-02-06 05:06:53,740 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_read_be16_harness_negated.i[4559,4572] [2025-02-06 05:06:54,155 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:06:54,155 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:06:54,156 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:06:54,156 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:06:54,157 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:06:54,165 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:06:54,166 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:06:54,167 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:06:54,167 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:06:54,546 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:06:54,546 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:06:54,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:06:54,661 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 05:06:54,673 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_read_be16_harness_negated.i[4499,4512] [2025-02-06 05:06:54,674 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_read_be16_harness_negated.i[4559,4572] [2025-02-06 05:06:54,712 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:06:54,712 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:06:54,712 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:06:54,714 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:06:54,715 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:06:54,723 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:06:54,723 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:06:54,724 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:06:54,724 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:06:54,827 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2025-02-06 05:06:54,829 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:06:54,829 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:06:54,837 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2025-02-06 05:06:54,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:06:55,006 INFO L204 MainTranslator]: Completed translation [2025-02-06 05:06:55,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:06:55 WrapperNode [2025-02-06 05:06:55,007 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 05:06:55,010 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 05:06:55,010 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 05:06:55,011 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 05:06:55,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:06:55" (1/1) ... [2025-02-06 05:06:55,067 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:06:55" (1/1) ... [2025-02-06 05:06:55,135 INFO L138 Inliner]: procedures = 680, calls = 2639, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 1027 [2025-02-06 05:06:55,136 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 05:06:55,136 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 05:06:55,137 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 05:06:55,137 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 05:06:55,144 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:06:55" (1/1) ... [2025-02-06 05:06:55,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:06:55" (1/1) ... [2025-02-06 05:06:55,175 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:06:55" (1/1) ... [2025-02-06 05:06:55,240 INFO L175 MemorySlicer]: Split 567 memory accesses to 8 slices as follows [257, 2, 8, 37, 248, 6, 4, 5]. 45 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [0, 2, 2, 2, 6, 0, 2, 5]. The 504 writes are split as follows [257, 0, 0, 9, 236, 2, 0, 0]. [2025-02-06 05:06:55,241 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:06:55" (1/1) ... [2025-02-06 05:06:55,241 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:06:55" (1/1) ... [2025-02-06 05:06:55,283 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:06:55" (1/1) ... [2025-02-06 05:06:55,288 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:06:55" (1/1) ... [2025-02-06 05:06:55,296 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:06:55" (1/1) ... [2025-02-06 05:06:55,299 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:06:55" (1/1) ... [2025-02-06 05:06:55,307 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 05:06:55,307 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 05:06:55,307 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 05:06:55,307 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 05:06:55,308 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:06:55" (1/1) ... [2025-02-06 05:06:55,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:06:55,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:06:55,342 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 05:06:55,349 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 05:06:55,370 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_read [2025-02-06 05:06:55,371 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_read [2025-02-06 05:06:55,371 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-02-06 05:06:55,371 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-02-06 05:06:55,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 05:06:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 05:06:55,372 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 05:06:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2025-02-06 05:06:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2025-02-06 05:06:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2025-02-06 05:06:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2025-02-06 05:06:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2025-02-06 05:06:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2025-02-06 05:06:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#6 [2025-02-06 05:06:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#7 [2025-02-06 05:06:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-02-06 05:06:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-02-06 05:06:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-02-06 05:06:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-02-06 05:06:55,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-02-06 05:06:55,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-02-06 05:06:55,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-02-06 05:06:55,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-02-06 05:06:55,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 05:06:55,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 05:06:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 05:06:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 05:06:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 05:06:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 05:06:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-06 05:06:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-06 05:06:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 05:06:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 05:06:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 05:06:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 05:06:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 05:06:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 05:06:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-06 05:06:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-06 05:06:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-02-06 05:06:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-02-06 05:06:55,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-02-06 05:06:55,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-02-06 05:06:55,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-02-06 05:06:55,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-02-06 05:06:55,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-02-06 05:06:55,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-02-06 05:06:55,376 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-02-06 05:06:55,376 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-02-06 05:06:55,376 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-02-06 05:06:55,376 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-02-06 05:06:55,376 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-02-06 05:06:55,376 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-02-06 05:06:55,376 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-02-06 05:06:55,376 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-02-06 05:06:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 05:06:55,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 05:06:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 05:06:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ntoh16 [2025-02-06 05:06:55,376 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ntoh16 [2025-02-06 05:06:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 05:06:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 05:06:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 05:06:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 05:06:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 05:06:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 05:06:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 05:06:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-06 05:06:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-02-06 05:06:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 05:06:55,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 05:06:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 05:06:55,376 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 05:06:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-06 05:06:55,376 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-06 05:06:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-02-06 05:06:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-02-06 05:06:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-02-06 05:06:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-02-06 05:06:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-02-06 05:06:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-02-06 05:06:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-02-06 05:06:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-02-06 05:06:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 05:06:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 05:06:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 05:06:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 05:06:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 05:06:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 05:06:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-06 05:06:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-02-06 05:06:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-02-06 05:06:55,377 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-02-06 05:06:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 05:06:55,377 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 05:06:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 05:06:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 05:06:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 05:06:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 05:06:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 05:06:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 05:06:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 05:06:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-06 05:06:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-06 05:06:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 05:06:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 05:06:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 05:06:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 05:06:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 05:06:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 05:06:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-06 05:06:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-02-06 05:06:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 05:06:55,377 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 05:06:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 05:06:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 05:06:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 05:06:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 05:06:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 05:06:55,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 05:06:55,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-06 05:06:55,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-06 05:06:55,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2025-02-06 05:06:55,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2025-02-06 05:06:55,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2025-02-06 05:06:55,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2025-02-06 05:06:55,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2025-02-06 05:06:55,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2025-02-06 05:06:55,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#6 [2025-02-06 05:06:55,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#7 [2025-02-06 05:06:55,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 05:06:55,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 05:06:55,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 05:06:55,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 05:06:55,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 05:06:55,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 05:06:55,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-06 05:06:55,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-06 05:06:55,658 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 05:06:55,659 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 05:06:55,685 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 05:06:55,809 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8328: call ULTIMATE.dealloc(~#slice~0#1.base, ~#slice~0#1.offset);havoc ~#slice~0#1.base, ~#slice~0#1.offset; [2025-02-06 05:06:55,810 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8321: havoc aws_byte_cursor_advance_nospec_#t~mem1112#1;havoc aws_byte_cursor_advance_nospec_#t~mem1113#1.base, aws_byte_cursor_advance_nospec_#t~mem1113#1.offset;call ULTIMATE.dealloc(aws_byte_cursor_advance_nospec_~#rv~7#1.base, aws_byte_cursor_advance_nospec_~#rv~7#1.offset);havoc aws_byte_cursor_advance_nospec_~#rv~7#1.base, aws_byte_cursor_advance_nospec_~#rv~7#1.offset; [2025-02-06 05:06:55,818 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 05:06:55,824 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6888: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2025-02-06 05:06:55,846 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7355: 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 05:06:56,209 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L4052: havoc #t~nondet270; [2025-02-06 05:06:56,306 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 05:07:03,397 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-02-06 05:07:03,465 INFO L? ?]: Removed 248 outVars from TransFormulas that were not future-live. [2025-02-06 05:07:03,465 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 05:07:03,488 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 05:07:03,489 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 05:07:03,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:07:03 BoogieIcfgContainer [2025-02-06 05:07:03,490 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 05:07:03,491 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 05:07:03,491 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 05:07:03,495 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 05:07:03,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 05:06:53" (1/3) ... [2025-02-06 05:07:03,499 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43ecdfa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:07:03, skipping insertion in model container [2025-02-06 05:07:03,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:06:55" (2/3) ... [2025-02-06 05:07:03,499 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43ecdfa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:07:03, skipping insertion in model container [2025-02-06 05:07:03,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:07:03" (3/3) ... [2025-02-06 05:07:03,500 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_read_be16_harness_negated.i [2025-02-06 05:07:03,509 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 05:07:03,510 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_read_be16_harness_negated.i that has 19 procedures, 217 locations, 1 initial locations, 16 loop locations, and 1 error locations. [2025-02-06 05:07:03,540 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 05:07:03,547 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;@125e256, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 05:07:03,547 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 05:07:03,550 INFO L276 IsEmpty]: Start isEmpty. Operand has 182 states, 121 states have (on average 1.28099173553719) internal successors, (155), 122 states have internal predecessors, (155), 48 states have call successors, (48), 11 states have call predecessors, (48), 11 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-02-06 05:07:03,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-02-06 05:07:03,557 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:07:03,557 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 05:07:03,557 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:07:03,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:07:03,560 INFO L85 PathProgramCache]: Analyzing trace with hash -970653021, now seen corresponding path program 1 times [2025-02-06 05:07:03,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:07:03,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329425006] [2025-02-06 05:07:03,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:07:03,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:08:11,762 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-02-06 05:08:12,327 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-02-06 05:08:12,327 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:08:12,328 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:08:14,411 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2025-02-06 05:08:14,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:08:14,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329425006] [2025-02-06 05:08:14,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329425006] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:08:14,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740930284] [2025-02-06 05:08:14,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:08:14,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:08:14,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:08:14,419 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 05:08:14,462 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