./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.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_append_with_lookup_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 49bf9fd75d56d44e7e1e54aefea9fad1d2b78cb24b15e9eb5cce5de020ddf3d7 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:31:06,659 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:31:06,715 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:31:06,727 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:31:06,727 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:31:06,747 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:31:06,749 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:31:06,749 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:31:06,749 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:31:06,749 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:31:06,750 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:31:06,750 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:31:06,750 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:31:06,750 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:31:06,750 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:31:06,750 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:31:06,751 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:31:06,751 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:31:06,751 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:31:06,751 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:31:06,751 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:31:06,751 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:31:06,751 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:31:06,751 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:31:06,751 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:31:06,751 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:31:06,751 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:31:06,751 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:31:06,751 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:31:06,751 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:31:06,751 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:31:06,751 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:31:06,751 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:31:06,751 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:31:06,751 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:31:06,751 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:31:06,751 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:31:06,751 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:31:06,751 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:31:06,751 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:31:06,752 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 -> 49bf9fd75d56d44e7e1e54aefea9fad1d2b78cb24b15e9eb5cce5de020ddf3d7 [2025-02-08 01:31:06,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:31:06,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:31:06,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:31:06,986 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:31:06,986 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:31:06,987 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i [2025-02-08 01:31:08,218 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/abf722d95/ecd7ae7b816c45b483c6b59cf79d9396/FLAGf256ff93c [2025-02-08 01:31:08,736 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:31:08,737 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i [2025-02-08 01:31:08,772 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/abf722d95/ecd7ae7b816c45b483c6b59cf79d9396/FLAGf256ff93c [2025-02-08 01:31:08,797 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/abf722d95/ecd7ae7b816c45b483c6b59cf79d9396 [2025-02-08 01:31:08,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:31:08,802 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:31:08,804 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:31:08,804 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:31:08,808 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:31:08,810 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:31:08" (1/1) ... [2025-02-08 01:31:08,810 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e4be6fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:31:08, skipping insertion in model container [2025-02-08 01:31:08,810 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:31:08" (1/1) ... [2025-02-08 01:31:08,894 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:31:09,166 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_append_with_lookup_harness_negated.i[4505,4518] [2025-02-08 01:31:09,174 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_append_with_lookup_harness_negated.i[4565,4578] [2025-02-08 01:31:10,622 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:10,623 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:10,624 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:10,624 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:10,625 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:10,635 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:10,635 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:10,637 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:10,637 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:11,456 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:11,456 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:11,494 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:11,495 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:11,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:31:11,614 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:31:11,622 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_append_with_lookup_harness_negated.i[4505,4518] [2025-02-08 01:31:11,622 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_append_with_lookup_harness_negated.i[4565,4578] [2025-02-08 01:31:11,658 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:11,658 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:11,659 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:11,659 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:11,660 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:11,667 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:11,667 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:11,668 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:11,668 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:11,718 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:11,718 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:11,744 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8265] [2025-02-08 01:31:11,745 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:11,746 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:11,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8751-8762] [2025-02-08 01:31:11,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:31:11,944 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:31:11,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:31:11 WrapperNode [2025-02-08 01:31:11,945 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:31:11,945 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:31:11,946 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:31:11,946 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:31:11,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:31:11" (1/1) ... [2025-02-08 01:31:12,007 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:31:11" (1/1) ... [2025-02-08 01:31:12,054 INFO L138 Inliner]: procedures = 680, calls = 2646, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 971 [2025-02-08 01:31:12,055 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:31:12,055 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:31:12,055 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:31:12,055 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:31:12,062 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:31:11" (1/1) ... [2025-02-08 01:31:12,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:31:11" (1/1) ... [2025-02-08 01:31:12,069 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:31:11" (1/1) ... [2025-02-08 01:31:12,109 INFO L175 MemorySlicer]: Split 572 memory accesses to 9 slices as follows [2, 257, 238, 1, 20, 4, 9, 32, 9]. 45 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [2, 0, 6, 0, 2, 2, 5, 4, 4]. The 494 writes are split as follows [0, 257, 232, 0, 1, 0, 1, 3, 0]. [2025-02-08 01:31:12,109 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:31:11" (1/1) ... [2025-02-08 01:31:12,109 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:31:11" (1/1) ... [2025-02-08 01:31:12,152 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:31:11" (1/1) ... [2025-02-08 01:31:12,154 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:31:11" (1/1) ... [2025-02-08 01:31:12,158 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:31:11" (1/1) ... [2025-02-08 01:31:12,160 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:31:11" (1/1) ... [2025-02-08 01:31:12,169 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:31:12,169 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:31:12,169 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:31:12,169 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:31:12,170 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:31:11" (1/1) ... [2025-02-08 01:31:12,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:31:12,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:31:12,201 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 01:31:12,203 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 01:31:12,218 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-08 01:31:12,220 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-08 01:31:12,220 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-02-08 01:31:12,220 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-02-08 01:31:12,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:31:12,220 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:31:12,220 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:31:12,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:31:12,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:31:12,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:31:12,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:31:12,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:31:12,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 01:31:12,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-08 01:31:12,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-08 01:31:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-02-08 01:31:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:31:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:31:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:31:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:31:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:31:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 01:31:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-08 01:31:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-08 01:31:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-02-08 01:31:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-08 01:31:12,221 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-08 01:31:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:31:12,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:31:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:31:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:31:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:31:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:31:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:31:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:31:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:31:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 01:31:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-08 01:31:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-02-08 01:31:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-02-08 01:31:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:31:12,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:31:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:31:12,222 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:31:12,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:31:12,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:31:12,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:31:12,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:31:12,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:31:12,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 01:31:12,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-08 01:31:12,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-02-08 01:31:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-02-08 01:31:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:31:12,237 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:31:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:31:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-02-08 01:31:12,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-02-08 01:31:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:31:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:31:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:31:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:31:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:31:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 01:31:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-08 01:31:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-08 01:31:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-02-08 01:31:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:31:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:31:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:31:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:31:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:31:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 01:31:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-08 01:31:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-02-08 01:31:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-02-08 01:31:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:31:12,237 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:31:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-02-08 01:31:12,238 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-02-08 01:31:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure assert_bytes_match [2025-02-08 01:31:12,238 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_bytes_match [2025-02-08 01:31:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-08 01:31:12,238 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-08 01:31:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:31:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:31:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:31:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:31:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:31:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 01:31:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-08 01:31:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-08 01:31:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-02-08 01:31:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:31:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:31:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:31:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:31:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:31:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 01:31:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-08 01:31:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-08 01:31:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-02-08 01:31:12,579 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:31:12,581 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:31:12,622 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 01:31:12,624 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-08 01:31:12,687 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7373: havoc #t~mem681;havoc #t~mem682;havoc #t~short683;havoc #t~mem684.base, #t~mem684.offset;havoc #t~short685;havoc #t~mem686;havoc #t~mem687;havoc #t~mem688;havoc #t~short689;havoc #t~mem690;havoc #t~mem691.base, #t~mem691.offset;havoc #t~short692;havoc #t~short693;havoc #t~short694;havoc #t~short695; [2025-02-08 01:31:12,703 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:31:12,736 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7383: havoc #t~mem696;havoc #t~mem697;havoc #t~mem698.base, #t~mem698.offset;havoc #t~short699;havoc #t~mem700;havoc #t~mem701.base, #t~mem701.offset;havoc #t~short702;havoc #t~short703;havoc #t~short704;havoc #t~short705; [2025-02-08 01:31:12,764 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-02-08 01:31:20,014 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-02-08 01:31:20,014 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7911: havoc aws_byte_buf_append_with_lookup_#t~ret895#1; [2025-02-08 01:31:20,015 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6657: havoc aws_byte_cursor_is_bounded_#t~mem509#1; [2025-02-08 01:31:20,148 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2025-02-08 01:31:20,148 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:31:20,160 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:31:20,161 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:31:20,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:31:20 BoogieIcfgContainer [2025-02-08 01:31:20,162 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:31:20,164 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:31:20,164 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:31:20,196 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:31:20,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:31:08" (1/3) ... [2025-02-08 01:31:20,197 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e16bf50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:31:20, skipping insertion in model container [2025-02-08 01:31:20,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:31:11" (2/3) ... [2025-02-08 01:31:20,197 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e16bf50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:31:20, skipping insertion in model container [2025-02-08 01:31:20,198 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:31:20" (3/3) ... [2025-02-08 01:31:20,199 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_append_with_lookup_harness_negated.i [2025-02-08 01:31:20,212 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:31:20,213 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_append_with_lookup_harness_negated.i that has 13 procedures, 158 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-08 01:31:20,260 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:31:20,271 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;@7f01b0ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:31:20,271 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:31:20,274 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 98 states have (on average 1.2448979591836735) internal successors, (122), 101 states have internal predecessors, (122), 44 states have call successors, (44), 12 states have call predecessors, (44), 12 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2025-02-08 01:31:20,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-02-08 01:31:20,282 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:31:20,283 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 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] [2025-02-08 01:31:20,283 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:31:20,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:31:20,287 INFO L85 PathProgramCache]: Analyzing trace with hash -299771361, now seen corresponding path program 1 times [2025-02-08 01:31:20,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:31:20,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682898949] [2025-02-08 01:31:20,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:31:20,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:32:29,737 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-08 01:32:30,346 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-08 01:32:30,349 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:32:30,349 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:32:32,633 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2025-02-08 01:32:32,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:32:32,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682898949] [2025-02-08 01:32:32,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682898949] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:32:32,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148952597] [2025-02-08 01:32:32,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:32:32,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:32:32,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:32:32,641 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 01:32:32,642 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