./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-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d 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-1.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 cab1c092802d28f475b8a467f14dab6a3f796dc1a4441d8517361eeec98aa4cb --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:37:08,006 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:37:08,066 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:37:08,072 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:37:08,075 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:37:08,092 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:37:08,093 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:37:08,093 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:37:08,093 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:37:08,093 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:37:08,093 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:37:08,093 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:37:08,094 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:37:08,094 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:37:08,094 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:37:08,094 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:37:08,094 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:37:08,094 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:37:08,094 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:37:08,094 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:37:08,094 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:37:08,094 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:37:08,094 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:37:08,094 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:37:08,094 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:37:08,094 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:37:08,094 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:37:08,096 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:37:08,096 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:37:08,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:37:08,096 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:37:08,096 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:37:08,096 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:37:08,096 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:37:08,096 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:37:08,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:37:08,097 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:37:08,097 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:37:08,097 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:37:08,097 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:37:08,097 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 -> cab1c092802d28f475b8a467f14dab6a3f796dc1a4441d8517361eeec98aa4cb [2025-02-08 01:37:08,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:37:08,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:37:08,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:37:08,303 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:37:08,303 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:37:08,304 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i [2025-02-08 01:37:09,410 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c3c505fb4/60668d7981c845a7a6d4df5069650cfb/FLAG66b9ccb0d [2025-02-08 01:37:09,862 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:37:09,862 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i [2025-02-08 01:37:09,886 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c3c505fb4/60668d7981c845a7a6d4df5069650cfb/FLAG66b9ccb0d [2025-02-08 01:37:09,967 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c3c505fb4/60668d7981c845a7a6d4df5069650cfb [2025-02-08 01:37:09,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:37:09,970 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:37:09,971 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:37:09,971 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:37:09,974 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:37:09,974 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:37:09" (1/1) ... [2025-02-08 01:37:09,976 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c834e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:37:09, skipping insertion in model container [2025-02-08 01:37:09,977 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:37:09" (1/1) ... [2025-02-08 01:37:10,049 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:37:10,228 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-1.i[4510,4523] [2025-02-08 01:37:10,235 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-1.i[4570,4583] [2025-02-08 01:37:10,678 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:37:10,681 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:37:10,682 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:37:10,683 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:37:10,684 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:37:10,692 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:37:10,695 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:37:10,696 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:37:10,697 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:37:11,095 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:37:11,096 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:37:11,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:37:11,204 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:37:11,215 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-1.i[4510,4523] [2025-02-08 01:37:11,215 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-1.i[4570,4583] [2025-02-08 01:37:11,256 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:37:11,257 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:37:11,257 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:37:11,257 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:37:11,258 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:37:11,263 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:37:11,266 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:37:11,267 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:37:11,267 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:37:11,359 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2025-02-08 01:37:11,363 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:37:11,363 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:37:11,372 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2025-02-08 01:37:11,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:37:11,545 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:37:11,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:37:11 WrapperNode [2025-02-08 01:37:11,545 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:37:11,546 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:37:11,547 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:37:11,547 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:37:11,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:37:11" (1/1) ... [2025-02-08 01:37:11,612 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:37:11" (1/1) ... [2025-02-08 01:37:11,649 INFO L138 Inliner]: procedures = 680, calls = 2662, calls flagged for inlining = 58, calls inlined = 5, statements flattened = 900 [2025-02-08 01:37:11,650 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:37:11,650 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:37:11,650 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:37:11,650 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:37:11,656 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:37:11" (1/1) ... [2025-02-08 01:37:11,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:37:11" (1/1) ... [2025-02-08 01:37:11,677 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:37:11" (1/1) ... [2025-02-08 01:37:11,734 INFO L175 MemorySlicer]: Split 592 memory accesses to 5 slices as follows [257, 2, 249, 78, 6]. 43 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [0, 2, 11, 16, 0]. The 499 writes are split as follows [257, 0, 233, 7, 2]. [2025-02-08 01:37:11,735 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:37:11" (1/1) ... [2025-02-08 01:37:11,735 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:37:11" (1/1) ... [2025-02-08 01:37:11,769 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:37:11" (1/1) ... [2025-02-08 01:37:11,770 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:37:11" (1/1) ... [2025-02-08 01:37:11,774 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:37:11" (1/1) ... [2025-02-08 01:37:11,776 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:37:11" (1/1) ... [2025-02-08 01:37:11,782 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:37:11,783 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:37:11,783 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:37:11,783 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:37:11,783 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:37:11" (1/1) ... [2025-02-08 01:37:11,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:37:11,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:37:11,817 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) [2025-02-08 01:37:11,821 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 [2025-02-08 01:37:11,838 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-08 01:37:11,839 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-08 01:37:11,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:37:11,839 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:37:11,839 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:37:11,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:37:11,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:37:11,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:37:11,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:37:11,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:37:11,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:37:11,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:37:11,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:37:11,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:37:11,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:37:11,839 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:37:11,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:37:11,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:37:11,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:37:11,839 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-02-08 01:37:11,839 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-02-08 01:37:11,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:37:11,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:37:11,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:37:11,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:37:11,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:37:11,839 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-02-08 01:37:11,839 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-02-08 01:37:11,840 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2025-02-08 01:37:11,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2025-02-08 01:37:11,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:37:11,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:37:11,840 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:37:11,840 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:37:11,840 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-08 01:37:11,840 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-08 01:37:11,840 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-02-08 01:37:11,840 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-02-08 01:37:11,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:37:11,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:37:11,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:37:11,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:37:11,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:37:11,840 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:37:11,840 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:37:11,840 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-02-08 01:37:11,840 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-02-08 01:37:11,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:37:11,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:37:11,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:37:11,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:37:11,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:37:11,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:37:11,840 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2025-02-08 01:37:11,843 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2025-02-08 01:37:11,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:37:11,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:37:11,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:37:11,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:37:11,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:37:11,843 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:37:11,843 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:37:11,843 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-08 01:37:11,843 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-08 01:37:11,843 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2025-02-08 01:37:11,843 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2025-02-08 01:37:11,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:37:11,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:37:11,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:37:11,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:37:11,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:37:11,844 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2025-02-08 01:37:11,844 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2025-02-08 01:37:11,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:37:11,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:37:11,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:37:11,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:37:11,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:37:12,054 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:37:12,056 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:37:12,088 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 01:37:12,123 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-02-08 01:37:12,124 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-08 01:37:12,231 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7399: havoc #t~mem682;havoc #t~mem683;havoc #t~short684;havoc #t~mem685.base, #t~mem685.offset;havoc #t~short686;havoc #t~mem687;havoc #t~mem688;havoc #t~mem689;havoc #t~short690;havoc #t~mem691;havoc #t~mem692.base, #t~mem692.offset;havoc #t~short693;havoc #t~short694;havoc #t~short695;havoc #t~short696; [2025-02-08 01:37:12,241 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:37:12,245 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc #t~mem477; [2025-02-08 01:37:12,275 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7342: havoc #t~ret657.base, #t~ret657.offset; [2025-02-08 01:37:18,830 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8564: havoc aws_byte_buf_write_from_whole_buffer_#t~mem1189#1.base, aws_byte_buf_write_from_whole_buffer_#t~mem1189#1.offset;havoc aws_byte_buf_write_from_whole_buffer_#t~mem1190#1;havoc aws_byte_buf_write_from_whole_buffer_#t~ret1191#1;call ULTIMATE.dealloc(aws_byte_buf_write_from_whole_buffer_~#src#1.base, aws_byte_buf_write_from_whole_buffer_~#src#1.offset);havoc aws_byte_buf_write_from_whole_buffer_~#src#1.base, aws_byte_buf_write_from_whole_buffer_~#src#1.offset; [2025-02-08 01:37:18,878 INFO L? ?]: Removed 114 outVars from TransFormulas that were not future-live. [2025-02-08 01:37:18,878 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:37:18,885 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:37:18,885 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:37:18,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:37:18 BoogieIcfgContainer [2025-02-08 01:37:18,885 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:37:18,887 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:37:18,887 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:37:18,890 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:37:18,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:37:09" (1/3) ... [2025-02-08 01:37:18,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5df695f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:37:18, skipping insertion in model container [2025-02-08 01:37:18,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:37:11" (2/3) ... [2025-02-08 01:37:18,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5df695f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:37:18, skipping insertion in model container [2025-02-08 01:37:18,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:37:18" (3/3) ... [2025-02-08 01:37:18,891 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_from_whole_buffer_harness-1.i [2025-02-08 01:37:18,899 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:37:18,900 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_write_from_whole_buffer_harness-1.i that has 17 procedures, 182 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-08 01:37:18,930 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:37:18,936 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;@1a91502c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:37:18,936 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:37:18,939 INFO L276 IsEmpty]: Start isEmpty. Operand has 182 states, 106 states have (on average 1.2075471698113207) internal successors, (128), 108 states have internal predecessors, (128), 58 states have call successors, (58), 16 states have call predecessors, (58), 16 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2025-02-08 01:37:18,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2025-02-08 01:37:18,948 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:37:18,948 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 6, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:37:18,948 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:37:18,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:37:18,951 INFO L85 PathProgramCache]: Analyzing trace with hash -666675449, now seen corresponding path program 1 times [2025-02-08 01:37:18,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:37:18,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230325839] [2025-02-08 01:37:18,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:37:18,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:38:26,966 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 175 statements into 1 equivalence classes. [2025-02-08 01:38:27,479 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 175 of 175 statements. [2025-02-08 01:38:27,479 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:38:27,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:38:28,200 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2025-02-08 01:38:28,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:38:28,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230325839] [2025-02-08 01:38:28,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230325839] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:38:28,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614718796] [2025-02-08 01:38:28,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:38:28,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:38:28,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:38:28,209 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) [2025-02-08 01:38:28,213 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