./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.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_reserve_relative_harness.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 da48e5de3ccd5190fb3d3934a3d9d423de1f83d4587f9dc2fa1f3f18a9362190 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:03:55,031 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:03:55,072 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:03:55,075 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:03:55,078 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:03:55,101 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:03:55,104 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:03:55,105 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:03:55,105 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:03:55,105 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:03:55,106 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:03:55,106 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:03:55,106 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:03:55,106 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:03:55,106 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:03:55,107 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:03:55,107 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:03:55,107 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:03:55,107 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:03:55,107 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:03:55,107 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:03:55,107 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:03:55,107 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:03:55,107 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:03:55,108 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:03:55,108 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:03:55,108 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:03:55,108 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:03:55,108 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:03:55,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:03:55,108 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:03:55,108 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:03:55,108 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:03:55,109 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:03:55,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:03:55,109 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:03:55,109 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:03:55,109 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:03:55,109 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:03:55,109 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:03:55,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:03:55,109 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:03:55,109 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:03:55,109 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:03:55,110 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:03:55,110 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 -> da48e5de3ccd5190fb3d3934a3d9d423de1f83d4587f9dc2fa1f3f18a9362190 [2025-01-09 17:03:55,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:03:55,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:03:55,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:03:55,321 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:03:55,322 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:03:55,323 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i [2025-01-09 17:03:56,414 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5509ec80e/bcae86de4ba14d5c85b1774397ca819f/FLAG47277ca3f [2025-01-09 17:03:56,964 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:03:56,964 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i [2025-01-09 17:03:56,990 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5509ec80e/bcae86de4ba14d5c85b1774397ca819f/FLAG47277ca3f [2025-01-09 17:03:57,001 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5509ec80e/bcae86de4ba14d5c85b1774397ca819f [2025-01-09 17:03:57,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:03:57,004 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:03:57,005 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:03:57,005 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:03:57,008 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:03:57,008 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:03:57" (1/1) ... [2025-01-09 17:03:57,008 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79c84095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:57, skipping insertion in model container [2025-01-09 17:03:57,009 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:03:57" (1/1) ... [2025-01-09 17:03:57,073 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:03:57,286 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_reserve_relative_harness.i[4503,4516] [2025-01-09 17:03:57,295 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_reserve_relative_harness.i[4563,4576] [2025-01-09 17:03:57,768 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:57,768 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:57,768 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:57,769 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:57,770 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:57,779 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:57,779 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:57,781 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:57,781 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:58,093 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:58,093 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:58,161 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:58,162 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:58,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:03:58,236 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:03:58,246 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_reserve_relative_harness.i[4503,4516] [2025-01-09 17:03:58,246 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_reserve_relative_harness.i[4563,4576] [2025-01-09 17:03:58,282 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:58,282 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:58,282 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:58,283 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:58,283 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:58,287 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:58,287 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:58,288 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:58,288 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:58,378 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:58,378 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:58,408 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8097] [2025-01-09 17:03:58,409 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:58,409 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:58,424 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8583-8594] [2025-01-09 17:03:58,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:03:58,591 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:03:58,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:58 WrapperNode [2025-01-09 17:03:58,591 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:03:58,592 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:03:58,592 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:03:58,592 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:03:58,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:58" (1/1) ... [2025-01-09 17:03:58,660 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:58" (1/1) ... [2025-01-09 17:03:58,703 INFO L138 Inliner]: procedures = 681, calls = 2499, calls flagged for inlining = 58, calls inlined = 13, statements flattened = 1020 [2025-01-09 17:03:58,704 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:03:58,704 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:03:58,704 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:03:58,704 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:03:58,711 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:58" (1/1) ... [2025-01-09 17:03:58,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:58" (1/1) ... [2025-01-09 17:03:58,716 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:58" (1/1) ... [2025-01-09 17:03:58,744 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-01-09 17:03:58,744 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:58" (1/1) ... [2025-01-09 17:03:58,744 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:58" (1/1) ... [2025-01-09 17:03:58,763 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:58" (1/1) ... [2025-01-09 17:03:58,765 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:58" (1/1) ... [2025-01-09 17:03:58,767 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:58" (1/1) ... [2025-01-09 17:03:58,775 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:58" (1/1) ... [2025-01-09 17:03:58,777 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:58" (1/1) ... [2025-01-09 17:03:58,791 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:03:58,792 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:03:58,792 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:03:58,792 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:03:58,797 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:58" (1/1) ... [2025-01-09 17:03:58,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:03:58,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:03:58,821 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 17:03:58,830 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 17:03:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-01-09 17:03:58,845 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-01-09 17:03:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:03:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:03:58,846 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:03:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-01-09 17:03:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-09 17:03:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-01-09 17:03:58,846 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-01-09 17:03:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:03:58,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:03:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:03:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:03:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-01-09 17:03:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:03:58,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:03:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:03:58,847 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:03:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2025-01-09 17:03:58,847 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2025-01-09 17:03:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-01-09 17:03:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-01-09 17:03:58,847 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-01-09 17:03:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:03:58,847 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:03:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:03:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-01-09 17:03:58,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-01-09 17:03:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-01-09 17:03:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-01-09 17:03:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:03:58,847 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:03:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-01-09 17:03:58,847 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-01-09 17:03:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-09 17:03:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-09 17:03:59,041 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:03:59,043 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:04:06,207 INFO L? ?]: Removed 127 outVars from TransFormulas that were not future-live. [2025-01-09 17:04:06,208 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:04:06,220 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:04:06,222 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2025-01-09 17:04:06,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:04:06 BoogieIcfgContainer [2025-01-09 17:04:06,222 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:04:06,224 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:04:06,224 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:04:06,227 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:04:06,227 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:03:57" (1/3) ... [2025-01-09 17:04:06,228 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e563981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:04:06, skipping insertion in model container [2025-01-09 17:04:06,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:58" (2/3) ... [2025-01-09 17:04:06,228 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e563981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:04:06, skipping insertion in model container [2025-01-09 17:04:06,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:04:06" (3/3) ... [2025-01-09 17:04:06,229 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_relative_harness.i [2025-01-09 17:04:06,238 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:04:06,240 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_reserve_relative_harness.i that has 12 procedures, 161 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2025-01-09 17:04:06,278 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:04:06,288 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;@13568d6d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:04:06,289 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:04:06,294 INFO L276 IsEmpty]: Start isEmpty. Operand has 161 states, 112 states have (on average 1.3125) internal successors, (147), 111 states have internal predecessors, (147), 38 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2025-01-09 17:04:06,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-01-09 17:04:06,301 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:04:06,302 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-09 17:04:06,302 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:04:06,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:04:06,306 INFO L85 PathProgramCache]: Analyzing trace with hash -54689526, now seen corresponding path program 1 times [2025-01-09 17:04:06,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:04:06,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923709059] [2025-01-09 17:04:06,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:04:06,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:05:29,665 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-01-09 17:05:30,191 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-01-09 17:05:30,192 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:05:30,192 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:05:30,882 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-09 17:05:30,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:05:30,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923709059] [2025-01-09 17:05:30,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923709059] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:05:30,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [645797175] [2025-01-09 17:05:30,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:05:30,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:05:30,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:05:30,885 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 17:05:30,887 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