./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 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/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/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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-?-8fc3dc6-m [2025-03-17 06:56:18,860 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 06:56:18,905 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 06:56:18,910 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 06:56:18,913 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 06:56:18,935 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 06:56:18,936 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 06:56:18,936 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 06:56:18,936 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 06:56:18,936 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 06:56:18,937 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 06:56:18,937 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 06:56:18,937 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 06:56:18,938 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 06:56:18,938 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 06:56:18,938 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 06:56:18,938 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 06:56:18,939 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 06:56:18,939 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 06:56:18,939 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 06:56:18,939 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 06:56:18,939 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 06:56:18,939 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 06:56:18,939 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 06:56:18,939 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 06:56:18,939 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 06:56:18,939 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 06:56:18,939 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 06:56:18,939 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 06:56:18,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 06:56:18,940 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 06:56:18,940 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 06:56:18,940 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 06:56:18,940 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 06:56:18,940 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 06:56:18,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 06:56:18,940 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 06:56:18,940 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 06:56:18,940 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 06:56:18,940 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 06:56:18,940 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/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 [2025-03-17 06:56:19,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 06:56:19,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 06:56:19,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 06:56:19,216 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 06:56:19,216 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 06:56:19,217 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness_negated.i [2025-03-17 06:56:20,420 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90f1b3458/0223e3fcd25b4b43879a207244e1561d/FLAGbfbea696c [2025-03-17 06:56:20,928 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 06:56:20,929 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness_negated.i [2025-03-17 06:56:20,970 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90f1b3458/0223e3fcd25b4b43879a207244e1561d/FLAGbfbea696c [2025-03-17 06:56:20,985 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90f1b3458/0223e3fcd25b4b43879a207244e1561d [2025-03-17 06:56:20,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 06:56:20,989 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 06:56:20,990 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 06:56:20,991 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 06:56:20,995 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 06:56:20,996 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 06:56:20" (1/1) ... [2025-03-17 06:56:20,997 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7da8b367 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:20, skipping insertion in model container [2025-03-17 06:56:20,998 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 06:56:20" (1/1) ... [2025-03-17 06:56:21,062 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 06:56:21,283 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness_negated.i[4493,4506] [2025-03-17 06:56:21,290 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness_negated.i[4553,4566] [2025-03-17 06:56:21,743 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:21,744 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:21,744 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:21,745 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:21,745 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:21,754 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:21,754 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:21,756 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:21,756 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:22,138 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:22,138 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:22,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 06:56:22,235 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 06:56:22,247 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness_negated.i[4493,4506] [2025-03-17 06:56:22,251 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness_negated.i[4553,4566] [2025-03-17 06:56:22,286 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:22,288 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:22,289 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:22,289 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:22,289 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:22,297 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:22,297 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:22,298 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:22,299 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:22,432 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2025-03-17 06:56:22,434 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:22,434 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:22,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2025-03-17 06:56:22,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 06:56:22,617 INFO L204 MainTranslator]: Completed translation [2025-03-17 06:56:22,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:22 WrapperNode [2025-03-17 06:56:22,618 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 06:56:22,619 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 06:56:22,619 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 06:56:22,619 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 06:56:22,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:22" (1/1) ... [2025-03-17 06:56:22,700 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:22" (1/1) ... [2025-03-17 06:56:22,755 INFO L138 Inliner]: procedures = 680, calls = 2643, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 869 [2025-03-17 06:56:22,756 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 06:56:22,756 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 06:56:22,756 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 06:56:22,756 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 06:56:22,769 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:22" (1/1) ... [2025-03-17 06:56:22,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:22" (1/1) ... [2025-03-17 06:56:22,775 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:22" (1/1) ... [2025-03-17 06:56:22,832 INFO L175 MemorySlicer]: Split 574 memory accesses to 8 slices as follows [2, 257, 33, 238, 4, 22, 9, 9]. 45 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [2, 0, 4, 6, 2, 2, 5, 4]. The 494 writes are split as follows [0, 257, 3, 232, 0, 1, 1, 0]. [2025-03-17 06:56:22,833 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:22" (1/1) ... [2025-03-17 06:56:22,834 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:22" (1/1) ... [2025-03-17 06:56:22,870 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:22" (1/1) ... [2025-03-17 06:56:22,873 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:22" (1/1) ... [2025-03-17 06:56:22,878 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:22" (1/1) ... [2025-03-17 06:56:22,881 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:22" (1/1) ... [2025-03-17 06:56:22,891 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 06:56:22,895 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 06:56:22,898 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 06:56:22,898 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 06:56:22,899 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:22" (1/1) ... [2025-03-17 06:56:22,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 06:56:22,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 06:56:22,923 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 06:56:22,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 06:56:22,956 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-17 06:56:22,957 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-17 06:56:22,957 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-17 06:56:22,957 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-17 06:56:22,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 06:56:22,957 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 06:56:22,957 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 06:56:22,957 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_append [2025-03-17 06:56:22,959 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_append [2025-03-17 06:56:22,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 06:56:22,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 06:56:22,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 06:56:22,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 06:56:22,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 06:56:22,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 06:56:22,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 06:56:22,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-17 06:56:22,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 06:56:22,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 06:56:22,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 06:56:22,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 06:56:22,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 06:56:22,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 06:56:22,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 06:56:22,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-17 06:56:22,960 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-17 06:56:22,960 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-17 06:56:22,961 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 06:56:22,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 06:56:22,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 06:56:22,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 06:56:22,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 06:56:22,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 06:56:22,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 06:56:22,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 06:56:22,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 06:56:22,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 06:56:22,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 06:56:22,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-17 06:56:22,962 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-03-17 06:56:22,962 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-03-17 06:56:22,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 06:56:22,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 06:56:22,962 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 06:56:22,962 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 06:56:22,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 06:56:22,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 06:56:22,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 06:56:22,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 06:56:22,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 06:56:22,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 06:56:22,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 06:56:22,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-17 06:56:22,963 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 06:56:22,964 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 06:56:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-03-17 06:56:22,964 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-03-17 06:56:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 06:56:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 06:56:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 06:56:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 06:56:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 06:56:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 06:56:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 06:56:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 06:56:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-17 06:56:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 06:56:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 06:56:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 06:56:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 06:56:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 06:56:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 06:56:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-17 06:56:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-17 06:56:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-17 06:56:22,964 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-17 06:56:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure assert_bytes_match [2025-03-17 06:56:22,964 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_bytes_match [2025-03-17 06:56:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-17 06:56:22,964 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-17 06:56:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 06:56:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 06:56:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 06:56:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 06:56:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 06:56:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 06:56:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 06:56:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-17 06:56:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 06:56:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 06:56:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 06:56:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 06:56:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 06:56:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 06:56:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 06:56:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-17 06:56:23,209 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 06:56:23,211 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 06:56:23,253 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-17 06:56:23,257 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-17 06:56:23,333 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7367: havoc #t~mem682;havoc #t~mem683;havoc #t~short684;havoc #t~mem685.base, #t~mem685.offset;havoc #t~short686;havoc #t~mem687;havoc #t~mem688;havoc #t~mem689;havoc #t~short690;havoc #t~mem691;havoc #t~mem692.base, #t~mem692.offset;havoc #t~short693;havoc #t~short694;havoc #t~short695;havoc #t~short696; [2025-03-17 06:56:23,357 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 06:56:23,389 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7377: havoc #t~mem697;havoc #t~mem698;havoc #t~mem699.base, #t~mem699.offset;havoc #t~short700;havoc #t~mem701;havoc #t~mem702.base, #t~mem702.offset;havoc #t~short703;havoc #t~short704;havoc #t~short705;havoc #t~short706; [2025-03-17 06:56:23,429 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7877: havoc #t~ret876; [2025-03-17 06:56:23,438 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7310: havoc #t~ret657.base, #t~ret657.offset; [2025-03-17 06:56:29,962 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-17 06:56:29,963 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6657: havoc aws_byte_cursor_is_bounded_#t~mem509#1; [2025-03-17 06:56:30,155 INFO L? ?]: Removed 90 outVars from TransFormulas that were not future-live. [2025-03-17 06:56:30,155 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 06:56:30,166 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 06:56:30,168 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 06:56:30,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 06:56:30 BoogieIcfgContainer [2025-03-17 06:56:30,168 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 06:56:30,171 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 06:56:30,171 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 06:56:30,174 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 06:56:30,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 06:56:20" (1/3) ... [2025-03-17 06:56:30,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@132d03bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 06:56:30, skipping insertion in model container [2025-03-17 06:56:30,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:22" (2/3) ... [2025-03-17 06:56:30,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@132d03bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 06:56:30, skipping insertion in model container [2025-03-17 06:56:30,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 06:56:30" (3/3) ... [2025-03-17 06:56:30,177 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_append_harness_negated.i [2025-03-17 06:56:30,188 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 06:56:30,189 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_append_harness_negated.i that has 14 procedures, 163 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-17 06:56:30,228 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 06:56:30,238 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;@33be0c6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 06:56:30,238 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 06:56:30,241 INFO L276 IsEmpty]: Start isEmpty. Operand has 163 states, 100 states have (on average 1.22) internal successors, (122), 101 states have internal predecessors, (122), 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) [2025-03-17 06:56:30,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-03-17 06:56:30,249 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 06:56:30,249 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] [2025-03-17 06:56:30,250 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 06:56:30,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 06:56:30,255 INFO L85 PathProgramCache]: Analyzing trace with hash -361234931, now seen corresponding path program 1 times [2025-03-17 06:56:30,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 06:56:30,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548497848] [2025-03-17 06:56:30,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 06:56:30,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 06:57:40,781 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-17 06:57:41,346 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-17 06:57:41,347 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 06:57:41,347 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 06:57:42,142 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2025-03-17 06:57:42,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 06:57:42,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548497848] [2025-03-17 06:57:42,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548497848] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 06:57:42,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [240730037] [2025-03-17 06:57:42,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 06:57:42,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 06:57:42,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 06:57:42,147 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 06:57:42,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process