./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_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_init_copy_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 f5dd39c48ce76f8326a75ac77da422c73e3ef3e01f39ceb8a7824c99e1b5196d --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:02:55,138 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:02:55,195 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:02:55,201 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:02:55,205 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:02:55,226 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:02:55,227 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:02:55,228 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:02:55,228 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:02:55,228 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:02:55,229 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:02:55,229 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:02:55,229 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:02:55,229 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:02:55,230 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:02:55,230 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:02:55,230 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:02:55,230 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:02:55,230 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:02:55,230 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:02:55,230 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:02:55,231 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:02:55,231 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:02:55,231 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:02:55,231 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:02:55,231 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:02:55,231 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:02:55,231 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:02:55,231 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:02:55,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:02:55,231 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:02:55,231 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:02:55,231 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:02:55,232 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:02:55,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:02:55,232 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:02:55,232 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:02:55,232 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:02:55,232 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:02:55,233 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:02:55,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:02:55,233 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:02:55,233 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:02:55,233 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:02:55,233 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:02:55,233 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 -> f5dd39c48ce76f8326a75ac77da422c73e3ef3e01f39ceb8a7824c99e1b5196d [2025-01-09 17:02:55,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:02:55,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:02:55,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:02:55,502 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:02:55,502 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:02:55,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness_negated.i [2025-01-09 17:02:56,670 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3a6ed2555/8d624b8863014969b4738ddabbb0b3a5/FLAG4fd5a6f48 [2025-01-09 17:02:57,154 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:02:57,157 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness_negated.i [2025-01-09 17:02:57,192 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3a6ed2555/8d624b8863014969b4738ddabbb0b3a5/FLAG4fd5a6f48 [2025-01-09 17:02:57,240 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3a6ed2555/8d624b8863014969b4738ddabbb0b3a5 [2025-01-09 17:02:57,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:02:57,244 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:02:57,244 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:02:57,245 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:02:57,247 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:02:57,248 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:02:57" (1/1) ... [2025-01-09 17:02:57,248 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eb1dd9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:02:57, skipping insertion in model container [2025-01-09 17:02:57,248 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:02:57" (1/1) ... [2025-01-09 17:02:57,314 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:02:57,475 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_init_copy_harness_negated.i[4496,4509] [2025-01-09 17:02:57,482 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_init_copy_harness_negated.i[4556,4569] [2025-01-09 17:02:57,947 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:02:57,947 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:02:57,948 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:02:57,948 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:02:57,949 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:02:57,957 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:02:57,957 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:02:57,958 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:02:57,959 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:02:58,324 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:02:58,327 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:02:58,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:02:58,431 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:02:58,443 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_init_copy_harness_negated.i[4496,4509] [2025-01-09 17:02:58,443 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_init_copy_harness_negated.i[4556,4569] [2025-01-09 17:02:58,481 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:02:58,482 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:02:58,482 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:02:58,482 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:02:58,482 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:02:58,490 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:02:58,491 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:02:58,491 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:02:58,492 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:02:58,589 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2025-01-09 17:02:58,591 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:02:58,591 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:02:58,649 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2025-01-09 17:02:58,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:02:58,797 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:02:58,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:02:58 WrapperNode [2025-01-09 17:02:58,798 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:02:58,799 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:02:58,799 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:02:58,799 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:02:58,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:02:58" (1/1) ... [2025-01-09 17:02:58,904 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:02:58" (1/1) ... [2025-01-09 17:02:58,967 INFO L138 Inliner]: procedures = 680, calls = 2622, calls flagged for inlining = 63, calls inlined = 11, statements flattened = 945 [2025-01-09 17:02:58,968 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:02:58,968 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:02:58,968 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:02:58,969 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:02:58,975 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:02:58" (1/1) ... [2025-01-09 17:02:58,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:02:58" (1/1) ... [2025-01-09 17:02:58,982 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:02:58" (1/1) ... [2025-01-09 17:02:59,047 INFO L175 MemorySlicer]: Split 566 memory accesses to 5 slices as follows [6, 2, 257, 238, 63]. 45 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [0, 2, 0, 6, 9]. The 503 writes are split as follows [2, 0, 257, 232, 12]. [2025-01-09 17:02:59,047 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:02:58" (1/1) ... [2025-01-09 17:02:59,047 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:02:58" (1/1) ... [2025-01-09 17:02:59,083 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:02:58" (1/1) ... [2025-01-09 17:02:59,088 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:02:58" (1/1) ... [2025-01-09 17:02:59,095 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:02:58" (1/1) ... [2025-01-09 17:02:59,104 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:02:58" (1/1) ... [2025-01-09 17:02:59,110 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:02:58" (1/1) ... [2025-01-09 17:02:59,120 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:02:59,120 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:02:59,121 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:02:59,121 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:02:59,124 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:02:58" (1/1) ... [2025-01-09 17:02:59,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:02:59,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:02:59,148 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 17:02:59,159 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 17:02:59,173 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-01-09 17:02:59,173 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-01-09 17:02:59,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:02:59,173 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:02:59,173 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:02:59,173 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-01-09 17:02:59,173 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-01-09 17:02:59,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:02:59,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:02:59,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:02:59,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:02:59,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:02:59,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:02:59,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:02:59,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:02:59,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:02:59,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:02:59,174 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-01-09 17:02:59,174 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-01-09 17:02:59,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:02:59,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:02:59,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:02:59,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:02:59,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:02:59,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:02:59,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:02:59,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:02:59,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:02:59,174 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-01-09 17:02:59,174 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-01-09 17:02:59,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:02:59,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:02:59,174 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:02:59,174 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:02:59,174 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-01-09 17:02:59,174 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-01-09 17:02:59,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:02:59,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:02:59,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:02:59,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:02:59,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:02:59,174 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-01-09 17:02:59,174 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-01-09 17:02:59,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-01-09 17:02:59,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-01-09 17:02:59,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-01-09 17:02:59,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-01-09 17:02:59,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-01-09 17:02:59,174 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-01-09 17:02:59,174 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-01-09 17:02:59,174 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-01-09 17:02:59,174 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-01-09 17:02:59,174 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-01-09 17:02:59,174 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:02:59,174 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:02:59,174 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-01-09 17:02:59,174 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-01-09 17:02:59,175 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-01-09 17:02:59,175 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-01-09 17:02:59,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:02:59,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:02:59,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:02:59,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:02:59,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:02:59,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:02:59,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:02:59,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:02:59,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:02:59,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:02:59,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:02:59,175 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:02:59,175 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:02:59,177 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:02:59,177 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:02:59,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:02:59,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:02:59,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:02:59,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:02:59,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:02:59,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:02:59,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:02:59,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:02:59,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:02:59,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:02:59,431 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:02:59,432 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:03:06,646 INFO L? ?]: Removed 154 outVars from TransFormulas that were not future-live. [2025-01-09 17:03:06,647 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:03:06,659 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:03:06,660 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2025-01-09 17:03:06,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:03:06 BoogieIcfgContainer [2025-01-09 17:03:06,661 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:03:06,662 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:03:06,663 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:03:06,667 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:03:06,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:02:57" (1/3) ... [2025-01-09 17:03:06,667 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c243bc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:03:06, skipping insertion in model container [2025-01-09 17:03:06,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:02:58" (2/3) ... [2025-01-09 17:03:06,668 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c243bc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:03:06, skipping insertion in model container [2025-01-09 17:03:06,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:03:06" (3/3) ... [2025-01-09 17:03:06,669 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_init_copy_harness_negated.i [2025-01-09 17:03:06,681 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:03:06,682 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_init_copy_harness_negated.i that has 20 procedures, 199 locations, 1 initial locations, 9 loop locations, and 1 error locations. [2025-01-09 17:03:06,733 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:03:06,745 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;@4083ec6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:03:06,746 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:03:06,750 INFO L276 IsEmpty]: Start isEmpty. Operand has 183 states, 120 states have (on average 1.2166666666666666) internal successors, (146), 119 states have internal predecessors, (146), 49 states have call successors, (49), 15 states have call predecessors, (49), 15 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2025-01-09 17:03:06,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-01-09 17:03:06,758 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:03:06,759 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2025-01-09 17:03:06,761 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:03:06,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:03:06,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1390426407, now seen corresponding path program 1 times [2025-01-09 17:03:06,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:03:06,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260031783] [2025-01-09 17:03:06,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:03:06,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:04:12,362 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-01-09 17:04:12,816 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-01-09 17:04:12,816 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:04:12,816 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:04:13,504 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-09 17:04:13,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:04:13,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260031783] [2025-01-09 17:04:13,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260031783] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:04:13,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1400243888] [2025-01-09 17:04:13,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:04:13,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:04:13,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:04:13,511 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 17:04:13,512 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