./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_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_write_from_whole_buffer_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 3e644a292a4c5d5b549b88d9030b75ad2c804a7dc6b4d8e0c5760a8e3b5148d0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:05:45,415 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:05:45,457 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:05:45,460 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:05:45,461 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:05:45,474 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:05:45,474 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:05:45,474 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:05:45,475 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:05:45,475 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:05:45,475 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:05:45,475 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:05:45,475 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:05:45,475 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:05:45,475 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:05:45,475 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:05:45,475 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:05:45,476 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:05:45,476 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:05:45,476 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:05:45,476 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:05:45,476 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:05:45,476 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:05:45,476 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:05:45,476 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:05:45,476 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:05:45,476 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:05:45,476 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:05:45,477 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:05:45,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:05:45,477 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:05:45,477 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:05:45,477 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:05:45,477 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:05:45,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:05:45,477 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:05:45,477 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:05:45,477 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:05:45,477 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:05:45,478 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:05:45,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:05:45,478 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:05:45,478 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:05:45,478 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:05:45,478 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:05:45,478 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 -> 3e644a292a4c5d5b549b88d9030b75ad2c804a7dc6b4d8e0c5760a8e3b5148d0 [2025-01-09 17:05:45,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:05:45,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:05:45,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:05:45,682 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:05:45,682 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:05:45,683 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i [2025-01-09 17:05:46,790 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3254f3261/d99f86d49f2a4da1835f70980edc005e/FLAG24a13e97c [2025-01-09 17:05:47,210 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:05:47,210 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i [2025-01-09 17:05:47,247 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3254f3261/d99f86d49f2a4da1835f70980edc005e/FLAG24a13e97c [2025-01-09 17:05:47,367 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3254f3261/d99f86d49f2a4da1835f70980edc005e [2025-01-09 17:05:47,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:05:47,369 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:05:47,370 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:05:47,370 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:05:47,374 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:05:47,374 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:05:47" (1/1) ... [2025-01-09 17:05:47,375 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64a8d417 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:05:47, skipping insertion in model container [2025-01-09 17:05:47,375 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:05:47" (1/1) ... [2025-01-09 17:05:47,452 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:05:47,620 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_write_from_whole_buffer_harness.i[4510,4523] [2025-01-09 17:05:47,626 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_write_from_whole_buffer_harness.i[4570,4583] [2025-01-09 17:05:48,064 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:05:48,065 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:05:48,065 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:05:48,066 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:05:48,066 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:05:48,073 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:05:48,074 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:05:48,075 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:05:48,075 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:05:48,452 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:05:48,453 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:05:48,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:05:48,537 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:05:48,549 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_write_from_whole_buffer_harness.i[4510,4523] [2025-01-09 17:05:48,553 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_write_from_whole_buffer_harness.i[4570,4583] [2025-01-09 17:05:48,589 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:05:48,592 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:05:48,593 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:05:48,593 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:05:48,593 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:05:48,599 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:05:48,603 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:05:48,604 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:05:48,604 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:05:48,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2025-01-09 17:05:48,700 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:05:48,700 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:05:48,708 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2025-01-09 17:05:48,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:05:48,852 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:05:48,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:05:48 WrapperNode [2025-01-09 17:05:48,853 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:05:48,853 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:05:48,853 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:05:48,853 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:05:48,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:05:48" (1/1) ... [2025-01-09 17:05:48,904 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:05:48" (1/1) ... [2025-01-09 17:05:48,959 INFO L138 Inliner]: procedures = 680, calls = 2658, calls flagged for inlining = 59, calls inlined = 6, statements flattened = 920 [2025-01-09 17:05:48,959 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:05:48,960 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:05:48,960 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:05:48,960 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:05:48,970 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:05:48" (1/1) ... [2025-01-09 17:05:48,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:05:48" (1/1) ... [2025-01-09 17:05:48,975 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:05:48" (1/1) ... [2025-01-09 17:05:49,032 INFO L175 MemorySlicer]: Split 592 memory accesses to 5 slices as follows [2, 257, 6, 249, 78]. 43 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [2, 0, 0, 11, 16]. The 499 writes are split as follows [0, 257, 2, 233, 7]. [2025-01-09 17:05:49,037 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:05:48" (1/1) ... [2025-01-09 17:05:49,038 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:05:48" (1/1) ... [2025-01-09 17:05:49,068 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:05:48" (1/1) ... [2025-01-09 17:05:49,072 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:05:48" (1/1) ... [2025-01-09 17:05:49,080 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:05:48" (1/1) ... [2025-01-09 17:05:49,092 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:05:48" (1/1) ... [2025-01-09 17:05:49,095 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:05:48" (1/1) ... [2025-01-09 17:05:49,108 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:05:49,112 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:05:49,112 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:05:49,112 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:05:49,113 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:05:48" (1/1) ... [2025-01-09 17:05:49,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:05:49,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:05:49,139 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 17:05:49,142 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 17:05:49,162 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-01-09 17:05:49,162 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-01-09 17:05:49,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:05:49,162 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:05:49,162 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:05:49,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:05:49,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:05:49,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:05:49,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:05:49,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:05:49,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:05:49,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:05:49,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:05:49,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:05:49,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:05:49,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:05:49,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:05:49,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:05:49,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:05:49,164 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-01-09 17:05:49,164 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-01-09 17:05:49,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:05:49,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:05:49,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:05:49,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:05:49,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:05:49,164 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-01-09 17:05:49,164 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-01-09 17:05:49,164 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2025-01-09 17:05:49,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2025-01-09 17:05:49,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:05:49,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:05:49,164 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:05:49,164 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:05:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-01-09 17:05:49,165 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-01-09 17:05:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:05:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:05:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:05:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:05:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:05:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:05:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:05:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-01-09 17:05:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-01-09 17:05:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:05:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:05:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:05:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:05:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:05:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:05:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2025-01-09 17:05:49,167 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2025-01-09 17:05:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:05:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:05:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:05:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:05:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:05:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:05:49,167 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:05:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:05:49,167 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:05:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2025-01-09 17:05:49,168 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2025-01-09 17:05:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:05:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:05:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:05:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:05:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:05:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2025-01-09 17:05:49,168 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2025-01-09 17:05:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:05:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:05:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:05:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:05:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:05:49,426 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:05:49,428 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:05:56,523 INFO L? ?]: Removed 113 outVars from TransFormulas that were not future-live. [2025-01-09 17:05:56,524 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:05:56,532 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:05:56,534 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 17:05:56,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:05:56 BoogieIcfgContainer [2025-01-09 17:05:56,535 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:05:56,536 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:05:56,536 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:05:56,539 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:05:56,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:05:47" (1/3) ... [2025-01-09 17:05:56,540 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27128bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:05:56, skipping insertion in model container [2025-01-09 17:05:56,540 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:05:48" (2/3) ... [2025-01-09 17:05:56,540 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27128bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:05:56, skipping insertion in model container [2025-01-09 17:05:56,540 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:05:56" (3/3) ... [2025-01-09 17:05:56,542 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_from_whole_buffer_harness.i [2025-01-09 17:05:56,553 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:05:56,554 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_write_from_whole_buffer_harness.i that has 16 procedures, 173 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 17:05:56,598 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:05:56,607 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;@f9d172d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:05:56,607 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:05:56,610 INFO L276 IsEmpty]: Start isEmpty. Operand has 173 states, 103 states have (on average 1.2135922330097086) internal successors, (125), 105 states have internal predecessors, (125), 53 states have call successors, (53), 15 states have call predecessors, (53), 15 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2025-01-09 17:05:56,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2025-01-09 17:05:56,620 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:05:56,621 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:05:56,621 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:05:56,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:05:56,625 INFO L85 PathProgramCache]: Analyzing trace with hash -822167665, now seen corresponding path program 1 times [2025-01-09 17:05:56,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:05:56,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119224124] [2025-01-09 17:05:56,631 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:05:56,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:07:08,458 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-01-09 17:07:08,941 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-01-09 17:07:08,941 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:07:08,941 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:07:09,704 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2025-01-09 17:07:09,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:07:09,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119224124] [2025-01-09 17:07:09,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119224124] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:07:09,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795519466] [2025-01-09 17:07:09,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:07:09,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:07:09,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:07:09,711 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 17:07:09,712 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