./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness_negated.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a7f67f0b945b231903325b9d87712fabf07c1ed9b39f1b1898d1ef5cff9915d4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:04:50,700 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:04:50,754 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:04:50,758 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:04:50,760 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:04:50,784 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:04:50,786 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:04:50,786 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:04:50,786 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:04:50,787 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:04:50,787 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:04:50,787 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:04:50,787 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:04:50,788 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:04:50,788 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:04:50,788 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:04:50,788 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:04:50,788 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:04:50,788 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:04:50,788 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:04:50,788 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:04:50,788 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:04:50,789 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:04:50,789 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:04:50,789 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:04:50,789 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:04:50,789 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:04:50,789 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:04:50,789 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:04:50,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:04:50,789 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:04:50,789 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:04:50,789 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:04:50,789 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:04:50,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:04:50,790 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:04:50,790 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:04:50,790 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:04:50,790 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:04:50,790 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:04:50,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:04:50,791 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:04:50,791 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:04:50,791 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:04:50,791 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:04:50,791 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 -> a7f67f0b945b231903325b9d87712fabf07c1ed9b39f1b1898d1ef5cff9915d4 [2025-01-09 17:04:51,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:04:51,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:04:51,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:04:51,022 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:04:51,023 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:04:51,023 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness_negated.i [2025-01-09 17:04:52,151 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6544e93c6/fdd801a7eb1a4a21b4c23faf4aa51bb7/FLAG28e6a85b9 [2025-01-09 17:04:52,574 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:04:52,574 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness_negated.i [2025-01-09 17:04:52,606 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6544e93c6/fdd801a7eb1a4a21b4c23faf4aa51bb7/FLAG28e6a85b9 [2025-01-09 17:04:52,619 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6544e93c6/fdd801a7eb1a4a21b4c23faf4aa51bb7 [2025-01-09 17:04:52,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:04:52,622 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:04:52,623 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:04:52,623 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:04:52,626 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:04:52,626 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:04:52" (1/1) ... [2025-01-09 17:04:52,627 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@778278c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:52, skipping insertion in model container [2025-01-09 17:04:52,627 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:04:52" (1/1) ... [2025-01-09 17:04:52,696 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:04:52,832 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_be32_harness_negated.i[4497,4510] [2025-01-09 17:04:52,837 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_be32_harness_negated.i[4557,4570] [2025-01-09 17:04:53,267 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:53,268 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:53,269 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:53,269 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:53,270 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:53,278 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:53,282 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:53,283 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:53,283 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:53,672 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:53,673 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:53,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:04:53,800 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:04:53,810 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_be32_harness_negated.i[4497,4510] [2025-01-09 17:04:53,812 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_be32_harness_negated.i[4557,4570] [2025-01-09 17:04:53,862 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:53,864 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:53,864 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:53,864 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:53,865 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:53,870 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:53,871 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:53,872 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:53,872 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:53,965 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2025-01-09 17:04:53,966 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:53,967 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:53,975 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2025-01-09 17:04:53,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:04:54,128 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:04:54,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:54 WrapperNode [2025-01-09 17:04:54,129 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:04:54,130 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:04:54,130 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:04:54,130 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:04:54,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:54" (1/1) ... [2025-01-09 17:04:54,191 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:54" (1/1) ... [2025-01-09 17:04:54,254 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 876 [2025-01-09 17:04:54,255 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:04:54,255 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:04:54,256 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:04:54,256 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:04:54,262 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:54" (1/1) ... [2025-01-09 17:04:54,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:54" (1/1) ... [2025-01-09 17:04:54,268 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:54" (1/1) ... [2025-01-09 17:04:54,319 INFO L175 MemorySlicer]: Split 562 memory accesses to 7 slices as follows [2, 257, 238, 4, 6, 47, 8]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 0, 0, 8, 5]. The 497 writes are split as follows [0, 257, 232, 2, 2, 3, 1]. [2025-01-09 17:04:54,321 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:54" (1/1) ... [2025-01-09 17:04:54,321 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:54" (1/1) ... [2025-01-09 17:04:54,342 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:54" (1/1) ... [2025-01-09 17:04:54,346 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:54" (1/1) ... [2025-01-09 17:04:54,348 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:54" (1/1) ... [2025-01-09 17:04:54,355 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:54" (1/1) ... [2025-01-09 17:04:54,357 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:54" (1/1) ... [2025-01-09 17:04:54,362 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:04:54,363 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:04:54,363 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:04:54,363 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:04:54,364 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:54" (1/1) ... [2025-01-09 17:04:54,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:04:54,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:04:54,395 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 17:04:54,398 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 17:04:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-01-09 17:04:54,420 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-01-09 17:04:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hton32 [2025-01-09 17:04:54,420 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hton32 [2025-01-09 17:04:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:04:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:04:54,420 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:04:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:04:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:04:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:04:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:04:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:04:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:04:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 17:04:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:04:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:04:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:04:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:04:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:04:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:04:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 17:04:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:04:54,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:04:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:04:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:04:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:04:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:04:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:04:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:04:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:04:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:04:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 17:04:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-01-09 17:04:54,421 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-01-09 17:04:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:04:54,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:04:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:04:54,421 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:04:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-01-09 17:04:54,421 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-01-09 17:04:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:04:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:04:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:04:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:04:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:04:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:04:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 17:04:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:04:54,421 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:04:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-01-09 17:04:54,421 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-01-09 17:04:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:04:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:04:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:04:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:04:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:04:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:04:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:04:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 17:04:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2025-01-09 17:04:54,422 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2025-01-09 17:04:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:04:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:04:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:04:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:04:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:04:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:04:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 17:04:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:04:54,422 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:04:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:04:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:04:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:04:54,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:04:54,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:04:54,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:04:54,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 17:04:54,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:04:54,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:04:54,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:04:54,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:04:54,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:04:54,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:04:54,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 17:04:54,670 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:04:54,672 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:05:01,841 INFO L? ?]: Removed 103 outVars from TransFormulas that were not future-live. [2025-01-09 17:05:01,841 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:05:01,853 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:05:01,855 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 17:05:01,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:05:01 BoogieIcfgContainer [2025-01-09 17:05:01,855 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:05:01,856 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:05:01,857 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:05:01,859 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:05:01,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:04:52" (1/3) ... [2025-01-09 17:05:01,860 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f77b7c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:05:01, skipping insertion in model container [2025-01-09 17:05:01,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:54" (2/3) ... [2025-01-09 17:05:01,861 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f77b7c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:05:01, skipping insertion in model container [2025-01-09 17:05:01,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:05:01" (3/3) ... [2025-01-09 17:05:01,862 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be32_harness_negated.i [2025-01-09 17:05:01,872 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:05:01,873 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_write_be32_harness_negated.i that has 12 procedures, 135 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 17:05:01,918 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:05:01,927 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;@64aa0b24, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:05:01,928 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:05:01,931 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 87 states have (on average 1.2183908045977012) internal successors, (106), 88 states have internal predecessors, (106), 35 states have call successors, (35), 11 states have call predecessors, (35), 11 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-01-09 17:05:01,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-01-09 17:05:01,938 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:05:01,939 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 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 17:05:01,939 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:05:01,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:05:01,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1713161827, now seen corresponding path program 1 times [2025-01-09 17:05:01,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:05:01,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137919141] [2025-01-09 17:05:01,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:05:01,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:06:06,362 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-01-09 17:06:06,834 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-01-09 17:06:06,834 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:06:06,834 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:06:07,467 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2025-01-09 17:06:07,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:06:07,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137919141] [2025-01-09 17:06:07,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137919141] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:06:07,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1836967246] [2025-01-09 17:06:07,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:06:07,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:06:07,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:06:07,472 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 17:06:07,474 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