./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_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_advance_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 9a96b91703f0cc76adc9b0fdbd8386a96920c1be21a810b6415a59c2166f1461 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 16:58:55,674 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 16:58:55,746 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 16:58:55,752 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 16:58:55,755 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 16:58:55,778 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 16:58:55,779 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 16:58:55,779 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 16:58:55,780 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 16:58:55,780 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 16:58:55,781 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 16:58:55,781 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 16:58:55,781 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 16:58:55,782 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 16:58:55,782 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 16:58:55,782 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 16:58:55,782 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 16:58:55,782 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 16:58:55,783 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 16:58:55,783 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 16:58:55,783 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 16:58:55,783 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 16:58:55,783 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 16:58:55,783 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 16:58:55,783 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 16:58:55,784 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 16:58:55,784 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 16:58:55,784 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 16:58:55,784 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 16:58:55,784 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:58:55,784 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 16:58:55,784 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 16:58:55,785 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 16:58:55,785 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 16:58:55,785 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:58:55,785 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 16:58:55,785 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 16:58:55,786 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 16:58:55,786 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 16:58:55,786 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 16:58:55,786 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 16:58:55,786 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 16:58:55,786 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 16:58:55,786 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 16:58:55,786 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 16:58:55,786 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 -> 9a96b91703f0cc76adc9b0fdbd8386a96920c1be21a810b6415a59c2166f1461 [2025-01-09 16:58:56,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 16:58:56,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 16:58:56,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 16:58:56,053 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 16:58:56,053 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 16:58:56,055 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.i [2025-01-09 16:58:57,277 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bb62fef1b/fdcdefda6a1445a1be1ba113ea7353ba/FLAG946feeb7d [2025-01-09 16:58:57,922 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 16:58:57,922 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.i [2025-01-09 16:58:57,963 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bb62fef1b/fdcdefda6a1445a1be1ba113ea7353ba/FLAG946feeb7d [2025-01-09 16:58:58,351 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bb62fef1b/fdcdefda6a1445a1be1ba113ea7353ba [2025-01-09 16:58:58,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 16:58:58,356 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 16:58:58,358 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 16:58:58,358 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 16:58:58,364 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 16:58:58,365 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:58:58" (1/1) ... [2025-01-09 16:58:58,366 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@699fcdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:58:58, skipping insertion in model container [2025-01-09 16:58:58,366 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:58:58" (1/1) ... [2025-01-09 16:58:58,451 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 16:58:58,756 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_advance_harness.i[4494,4507] [2025-01-09 16:58:58,770 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_advance_harness.i[4554,4567] [2025-01-09 16:58:59,308 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:58:59,311 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:58:59,311 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:58:59,312 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:58:59,313 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:58:59,325 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:58:59,327 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:58:59,329 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:58:59,329 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:58:59,776 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:58:59,776 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:58:59,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 16:58:59,930 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 16:58:59,944 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_advance_harness.i[4494,4507] [2025-01-09 16:58:59,948 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_advance_harness.i[4554,4567] [2025-01-09 16:58:59,994 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:58:59,995 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:58:59,995 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:58:59,995 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:58:59,996 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:00,006 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:00,007 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:00,008 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:00,008 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:00,109 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2025-01-09 16:59:00,111 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:00,111 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:00,122 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2025-01-09 16:59:00,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 16:59:00,364 INFO L204 MainTranslator]: Completed translation [2025-01-09 16:59:00,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:00 WrapperNode [2025-01-09 16:59:00,366 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 16:59:00,366 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 16:59:00,367 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 16:59:00,367 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 16:59:00,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:00" (1/1) ... [2025-01-09 16:59:00,439 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:00" (1/1) ... [2025-01-09 16:59:00,533 INFO L138 Inliner]: procedures = 680, calls = 2671, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 974 [2025-01-09 16:59:00,534 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 16:59:00,534 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 16:59:00,534 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 16:59:00,535 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 16:59:00,543 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:00" (1/1) ... [2025-01-09 16:59:00,543 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:00" (1/1) ... [2025-01-09 16:59:00,552 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:00" (1/1) ... [2025-01-09 16:59:00,623 INFO L175 MemorySlicer]: Split 591 memory accesses to 5 slices as follows [2, 257, 81, 6, 245]. 43 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [2, 0, 12, 0, 11]. The 508 writes are split as follows [0, 257, 17, 2, 232]. [2025-01-09 16:59:00,623 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:00" (1/1) ... [2025-01-09 16:59:00,623 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:00" (1/1) ... [2025-01-09 16:59:00,665 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:00" (1/1) ... [2025-01-09 16:59:00,671 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:00" (1/1) ... [2025-01-09 16:59:00,678 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:00" (1/1) ... [2025-01-09 16:59:00,683 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:00" (1/1) ... [2025-01-09 16:59:00,690 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:00" (1/1) ... [2025-01-09 16:59:00,709 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 16:59:00,710 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 16:59:00,710 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 16:59:00,710 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 16:59:00,712 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:00" (1/1) ... [2025-01-09 16:59:00,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:59:00,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 16:59:00,741 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 16:59:00,748 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 16:59:00,768 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-01-09 16:59:00,768 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-01-09 16:59:00,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 16:59:00,768 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 16:59:00,768 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 16:59:00,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 16:59:00,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 16:59:00,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 16:59:00,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 16:59:00,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 16:59:00,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 16:59:00,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 16:59:00,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 16:59:00,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 16:59:00,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 16:59:00,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 16:59:00,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 16:59:00,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 16:59:00,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 16:59:00,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 16:59:00,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 16:59:00,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 16:59:00,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 16:59:00,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 16:59:00,772 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2025-01-09 16:59:00,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2025-01-09 16:59:00,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 16:59:00,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 16:59:00,773 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 16:59:00,773 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 16:59:00,773 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-01-09 16:59:00,773 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-01-09 16:59:00,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 16:59:00,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 16:59:00,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 16:59:00,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 16:59:00,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 16:59:00,773 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 16:59:00,773 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 16:59:00,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 16:59:00,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 16:59:00,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 16:59:00,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 16:59:00,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 16:59:00,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 16:59:00,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 16:59:00,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 16:59:00,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 16:59:00,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 16:59:00,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 16:59:00,774 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 16:59:00,774 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 16:59:00,774 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2025-01-09 16:59:00,774 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2025-01-09 16:59:00,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 16:59:00,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 16:59:00,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 16:59:00,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 16:59:00,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 16:59:00,774 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2025-01-09 16:59:00,774 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2025-01-09 16:59:00,774 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-01-09 16:59:00,774 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-01-09 16:59:00,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 16:59:00,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 16:59:00,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 16:59:00,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 16:59:00,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 16:59:01,027 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 16:59:01,029 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 16:59:09,674 INFO L? ?]: Removed 109 outVars from TransFormulas that were not future-live. [2025-01-09 16:59:09,674 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 16:59:09,683 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 16:59:09,684 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 16:59:09,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:59:09 BoogieIcfgContainer [2025-01-09 16:59:09,684 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 16:59:09,686 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 16:59:09,686 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 16:59:09,690 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 16:59:09,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 04:58:58" (1/3) ... [2025-01-09 16:59:09,690 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@554c8dbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:59:09, skipping insertion in model container [2025-01-09 16:59:09,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:00" (2/3) ... [2025-01-09 16:59:09,691 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@554c8dbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:59:09, skipping insertion in model container [2025-01-09 16:59:09,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:59:09" (3/3) ... [2025-01-09 16:59:09,692 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_advance_harness.i [2025-01-09 16:59:09,704 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 16:59:09,706 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_advance_harness.i that has 12 procedures, 170 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-01-09 16:59:09,760 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 16:59:09,772 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;@9a703ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 16:59:09,773 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 16:59:09,777 INFO L276 IsEmpty]: Start isEmpty. Operand has 170 states, 103 states have (on average 1.2135922330097086) internal successors, (125), 103 states have internal predecessors, (125), 55 states have call successors, (55), 11 states have call predecessors, (55), 11 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2025-01-09 16:59:09,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-01-09 16:59:09,786 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 16:59:09,787 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 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] [2025-01-09 16:59:09,787 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 16:59:09,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:59:09,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1085325111, now seen corresponding path program 1 times [2025-01-09 16:59:09,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 16:59:09,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103741154] [2025-01-09 16:59:09,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:59:09,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:00:13,935 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-01-09 17:00:14,584 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-01-09 17:00:14,584 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:00:14,584 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:00:15,466 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2025-01-09 17:00:15,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:00:15,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103741154] [2025-01-09 17:00:15,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103741154] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:00:15,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271539582] [2025-01-09 17:00:15,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:00:15,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:00:15,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:00:15,471 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 17:00:15,472 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