./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 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_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 689a562e38ace49351de33b47cbcb3c6d5f59acf10f911a7928d5d2dec3921f0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 16:59:15,524 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 16:59:15,587 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 16:59:15,591 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 16:59:15,591 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 16:59:15,615 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 16:59:15,616 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 16:59:15,616 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 16:59:15,616 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 16:59:15,617 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 16:59:15,617 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 16:59:15,617 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 16:59:15,618 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 16:59:15,618 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 16:59:15,618 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 16:59:15,618 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 16:59:15,618 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 16:59:15,618 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 16:59:15,618 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 16:59:15,618 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 16:59:15,618 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 16:59:15,618 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 16:59:15,619 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 16:59:15,619 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 16:59:15,619 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 16:59:15,619 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 16:59:15,619 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 16:59:15,619 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 16:59:15,619 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 16:59:15,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:59:15,619 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 16:59:15,620 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 16:59:15,620 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 16:59:15,620 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 16:59:15,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:59:15,620 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 16:59:15,620 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 16:59:15,621 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 16:59:15,621 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 16:59:15,621 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 16:59:15,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 16:59:15,621 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 16:59:15,621 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 16:59:15,621 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 16:59:15,621 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 16:59:15,621 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 -> 689a562e38ace49351de33b47cbcb3c6d5f59acf10f911a7928d5d2dec3921f0 [2025-01-09 16:59:15,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 16:59:15,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 16:59:15,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 16:59:15,821 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 16:59:15,821 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 16:59:15,821 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness_negated.i [2025-01-09 16:59:17,095 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c406faf3b/5d787e4e926b4bafbb22df43b313b3da/FLAG9f4760f2f [2025-01-09 16:59:17,579 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 16:59:17,580 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness_negated.i [2025-01-09 16:59:17,615 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c406faf3b/5d787e4e926b4bafbb22df43b313b3da/FLAG9f4760f2f [2025-01-09 16:59:17,632 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c406faf3b/5d787e4e926b4bafbb22df43b313b3da [2025-01-09 16:59:17,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 16:59:17,635 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 16:59:17,636 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 16:59:17,637 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 16:59:17,639 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 16:59:17,640 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:59:17" (1/1) ... [2025-01-09 16:59:17,641 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@235e7df7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:17, skipping insertion in model container [2025-01-09 16:59:17,641 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:59:17" (1/1) ... [2025-01-09 16:59:17,699 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 16:59:17,865 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_harness_negated.i[4493,4506] [2025-01-09 16:59:17,870 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_harness_negated.i[4553,4566] [2025-01-09 16:59:18,291 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,292 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,292 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,292 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,293 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,301 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,302 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,303 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,303 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,711 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,711 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 16:59:18,826 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 16:59:18,834 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_harness_negated.i[4493,4506] [2025-01-09 16:59:18,835 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_harness_negated.i[4553,4566] [2025-01-09 16:59:18,857 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,857 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,857 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,857 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,858 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,863 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,863 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,865 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,866 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2025-01-09 16:59:18,958 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,958 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,968 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2025-01-09 16:59:18,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 16:59:19,155 INFO L204 MainTranslator]: Completed translation [2025-01-09 16:59:19,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:19 WrapperNode [2025-01-09 16:59:19,158 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 16:59:19,159 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 16:59:19,159 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 16:59:19,159 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 16:59:19,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:19" (1/1) ... [2025-01-09 16:59:19,233 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:19" (1/1) ... [2025-01-09 16:59:19,269 INFO L138 Inliner]: procedures = 680, calls = 2643, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 869 [2025-01-09 16:59:19,269 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 16:59:19,270 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 16:59:19,270 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 16:59:19,270 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 16:59:19,276 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:19" (1/1) ... [2025-01-09 16:59:19,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:19" (1/1) ... [2025-01-09 16:59:19,282 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:19" (1/1) ... [2025-01-09 16:59:19,343 INFO L175 MemorySlicer]: Split 574 memory accesses to 8 slices as follows [2, 257, 238, 33, 4, 9, 9, 22]. 45 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [2, 0, 6, 4, 2, 5, 4, 2]. The 494 writes are split as follows [0, 257, 232, 3, 0, 1, 0, 1]. [2025-01-09 16:59:19,343 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:19" (1/1) ... [2025-01-09 16:59:19,343 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:19" (1/1) ... [2025-01-09 16:59:19,381 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:19" (1/1) ... [2025-01-09 16:59:19,386 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:19" (1/1) ... [2025-01-09 16:59:19,389 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:19" (1/1) ... [2025-01-09 16:59:19,400 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:19" (1/1) ... [2025-01-09 16:59:19,403 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:19" (1/1) ... [2025-01-09 16:59:19,414 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 16:59:19,415 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 16:59:19,416 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 16:59:19,416 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 16:59:19,417 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:19" (1/1) ... [2025-01-09 16:59:19,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:59:19,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 16:59:19,450 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) [2025-01-09 16:59:19,461 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 [2025-01-09 16:59:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-01-09 16:59:19,480 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-01-09 16:59:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-01-09 16:59:19,480 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-01-09 16:59:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 16:59:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 16:59:19,480 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 16:59:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_append [2025-01-09 16:59:19,480 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_append [2025-01-09 16:59:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 16:59:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 16:59:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 16:59:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 16:59:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 16:59:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 16:59:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 16:59:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 16:59:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 16:59:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 16:59:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 16:59:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 16:59:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 16:59:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 16:59:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 16:59:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 16:59:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-01-09 16:59:19,481 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-01-09 16:59:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 16:59:19,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 16:59:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 16:59:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 16:59:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 16:59:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 16:59:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 16:59:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 16:59:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 16:59:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 16:59:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 16:59:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 16:59:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-01-09 16:59:19,481 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-01-09 16:59:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 16:59:19,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 16:59:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 16:59:19,481 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 16:59:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 16:59:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 16:59:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 16:59:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 16:59:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 16:59:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 16:59:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 16:59:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 16:59:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 16:59:19,481 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 16:59:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-01-09 16:59:19,481 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-01-09 16:59:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 16:59:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 16:59:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 16:59:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 16:59:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 16:59:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 16:59:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 16:59:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 16:59:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 16:59:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 16:59:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 16:59:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 16:59:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 16:59:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 16:59:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 16:59:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 16:59:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-01-09 16:59:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 16:59:19,482 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 16:59:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure assert_bytes_match [2025-01-09 16:59:19,482 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_bytes_match [2025-01-09 16:59:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 16:59:19,482 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 16:59:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 16:59:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 16:59:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 16:59:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 16:59:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 16:59:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 16:59:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 16:59:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 16:59:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 16:59:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 16:59:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 16:59:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 16:59:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 16:59:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 16:59:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 16:59:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 16:59:19,775 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 16:59:19,776 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 16:59:26,901 INFO L? ?]: Removed 96 outVars from TransFormulas that were not future-live. [2025-01-09 16:59:26,902 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 16:59:26,914 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 16:59:26,916 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 16:59:26,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:59:26 BoogieIcfgContainer [2025-01-09 16:59:26,917 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 16:59:26,919 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 16:59:26,919 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 16:59:26,922 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 16:59:26,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 04:59:17" (1/3) ... [2025-01-09 16:59:26,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434149c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:59:26, skipping insertion in model container [2025-01-09 16:59:26,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:19" (2/3) ... [2025-01-09 16:59:26,924 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434149c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:59:26, skipping insertion in model container [2025-01-09 16:59:26,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:59:26" (3/3) ... [2025-01-09 16:59:26,925 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_append_harness_negated.i [2025-01-09 16:59:26,936 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 16:59:26,937 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_append_harness_negated.i that has 14 procedures, 168 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 16:59:26,986 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 16:59:26,994 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;@7ebad30a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 16:59:26,995 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 16:59:27,000 INFO L276 IsEmpty]: Start isEmpty. Operand has 168 states, 105 states have (on average 1.2095238095238094) internal successors, (127), 106 states have internal predecessors, (127), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-01-09 16:59:27,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-01-09 16:59:27,010 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 16:59:27,010 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 16:59:27,011 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 16:59:27,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:59:27,015 INFO L85 PathProgramCache]: Analyzing trace with hash 2046791485, now seen corresponding path program 1 times [2025-01-09 16:59:27,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 16:59:27,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620949376] [2025-01-09 16:59:27,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:59:27,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:00:32,404 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-01-09 17:00:32,876 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-01-09 17:00:32,877 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:00:32,877 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:00:33,559 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2025-01-09 17:00:33,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:00:33,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620949376] [2025-01-09 17:00:33,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620949376] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:00:33,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755060546] [2025-01-09 17:00:33,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:00:33,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:00:33,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:00:33,564 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) [2025-01-09 17:00:33,565 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