./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 abdf5eedefad76d9bd13f7d94286eab9c8ba6966165711daf80a608af314bb9b --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 06:59:47,870 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 06:59:47,930 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 06:59:47,936 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 06:59:47,937 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 06:59:47,951 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 06:59:47,952 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 06:59:47,952 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 06:59:47,952 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 06:59:47,953 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 06:59:47,953 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 06:59:47,953 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 06:59:47,953 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 06:59:47,953 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 06:59:47,953 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 06:59:47,953 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 06:59:47,953 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 06:59:47,953 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 06:59:47,954 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 06:59:47,954 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 06:59:47,954 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 06:59:47,954 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 06:59:47,954 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 06:59:47,954 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 06:59:47,954 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 06:59:47,954 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 06:59:47,954 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 06:59:47,954 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 06:59:47,954 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 06:59:47,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 06:59:47,955 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 06:59:47,955 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 06:59:47,955 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 06:59:47,955 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 06:59:47,955 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 06:59:47,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 06:59:47,955 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 06:59:47,955 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 06:59:47,955 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 06:59:47,955 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 06:59:47,955 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/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 -> abdf5eedefad76d9bd13f7d94286eab9c8ba6966165711daf80a608af314bb9b [2025-03-17 06:59:48,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 06:59:48,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 06:59:48,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 06:59:48,187 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 06:59:48,188 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 06:59:48,188 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness.i [2025-03-17 06:59:49,291 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68428259c/ef70388ad01c459894ac7d20dc89e8da/FLAGc9770290c [2025-03-17 06:59:49,775 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 06:59:49,775 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness.i [2025-03-17 06:59:49,807 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68428259c/ef70388ad01c459894ac7d20dc89e8da/FLAGc9770290c [2025-03-17 06:59:49,859 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68428259c/ef70388ad01c459894ac7d20dc89e8da [2025-03-17 06:59:49,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 06:59:49,862 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 06:59:49,863 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 06:59:49,863 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 06:59:49,866 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 06:59:49,866 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 06:59:49" (1/1) ... [2025-03-17 06:59:49,867 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@724315a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:49, skipping insertion in model container [2025-03-17 06:59:49,867 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 06:59:49" (1/1) ... [2025-03-17 06:59:49,931 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 06:59:50,165 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness.i[4496,4509] [2025-03-17 06:59:50,175 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness.i[4556,4569] [2025-03-17 06:59:50,694 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:50,695 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:50,695 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:50,695 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:50,696 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:50,705 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:50,705 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:50,707 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:50,707 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:51,103 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:51,103 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:51,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 06:59:51,193 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 06:59:51,209 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness.i[4496,4509] [2025-03-17 06:59:51,209 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness.i[4556,4569] [2025-03-17 06:59:51,250 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:51,251 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:51,251 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:51,252 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:51,252 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:51,256 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:51,260 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:51,261 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:51,261 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:51,356 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2025-03-17 06:59:51,357 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:51,359 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:51,416 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2025-03-17 06:59:51,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 06:59:51,560 INFO L204 MainTranslator]: Completed translation [2025-03-17 06:59:51,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:51 WrapperNode [2025-03-17 06:59:51,561 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 06:59:51,562 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 06:59:51,562 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 06:59:51,562 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 06:59:51,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:51" (1/1) ... [2025-03-17 06:59:51,649 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:51" (1/1) ... [2025-03-17 06:59:51,716 INFO L138 Inliner]: procedures = 680, calls = 2622, calls flagged for inlining = 63, calls inlined = 11, statements flattened = 945 [2025-03-17 06:59:51,718 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 06:59:51,718 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 06:59:51,718 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 06:59:51,719 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 06:59:51,725 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:51" (1/1) ... [2025-03-17 06:59:51,725 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:51" (1/1) ... [2025-03-17 06:59:51,733 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:51" (1/1) ... [2025-03-17 06:59:51,791 INFO L175 MemorySlicer]: Split 566 memory accesses to 5 slices as follows [2, 257, 238, 6, 63]. 45 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 0, 9]. The 503 writes are split as follows [0, 257, 232, 2, 12]. [2025-03-17 06:59:51,792 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:51" (1/1) ... [2025-03-17 06:59:51,792 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:51" (1/1) ... [2025-03-17 06:59:51,821 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:51" (1/1) ... [2025-03-17 06:59:51,823 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:51" (1/1) ... [2025-03-17 06:59:51,830 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:51" (1/1) ... [2025-03-17 06:59:51,836 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:51" (1/1) ... [2025-03-17 06:59:51,842 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 06:59:51,846 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 06:59:51,846 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 06:59:51,846 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 06:59:51,847 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:51" (1/1) ... [2025-03-17 06:59:51,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 06:59:51,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 06:59:51,875 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 06:59:51,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 06:59:51,896 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-17 06:59:51,897 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-17 06:59:51,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 06:59:51,897 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 06:59:51,898 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 06:59:51,898 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-03-17 06:59:51,898 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-03-17 06:59:51,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 06:59:51,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 06:59:51,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 06:59:51,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 06:59:51,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 06:59:51,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 06:59:51,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 06:59:51,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 06:59:51,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 06:59:51,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 06:59:51,899 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-17 06:59:51,899 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-17 06:59:51,899 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 06:59:51,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 06:59:51,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 06:59:51,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 06:59:51,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 06:59:51,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 06:59:51,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 06:59:51,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 06:59:51,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 06:59:51,900 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-03-17 06:59:51,900 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-03-17 06:59:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 06:59:51,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 06:59:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 06:59:51,901 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 06:59:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-17 06:59:51,901 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-17 06:59:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 06:59:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 06:59:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 06:59:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 06:59:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 06:59:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-17 06:59:51,901 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-17 06:59:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-17 06:59:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-17 06:59:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-17 06:59:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-17 06:59:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-17 06:59:51,901 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-17 06:59:51,901 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-17 06:59:51,901 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-17 06:59:51,901 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-17 06:59:51,901 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-17 06:59:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 06:59:51,901 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 06:59:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-03-17 06:59:51,901 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-03-17 06:59:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-03-17 06:59:51,901 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-03-17 06:59:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 06:59:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 06:59:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 06:59:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 06:59:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 06:59:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 06:59:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 06:59:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 06:59:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 06:59:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 06:59:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 06:59:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-17 06:59:51,902 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-17 06:59:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-17 06:59:51,902 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-17 06:59:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 06:59:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 06:59:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 06:59:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 06:59:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 06:59:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 06:59:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 06:59:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 06:59:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 06:59:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 06:59:52,121 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 06:59:52,123 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 06:59:52,154 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-17 06:59:52,195 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-17 06:59:52,227 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6900: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2025-03-17 06:59:52,261 INFO L1322 $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; [2025-03-17 06:59:52,272 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 06:59:52,277 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6925: havoc #t~ret569.base, #t~ret569.offset; [2025-03-17 06:59:52,324 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7342: havoc #t~ret657.base, #t~ret657.offset; [2025-03-17 06:59:59,005 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7373-2: havoc aws_byte_buf_init_copy_#t~ret665#1; [2025-03-17 06:59:59,005 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-17 06:59:59,005 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6606: havoc aws_byte_buf_has_allocator_#t~mem479#1.base, aws_byte_buf_has_allocator_#t~mem479#1.offset;havoc aws_byte_buf_has_allocator_#t~ret478#1.base, aws_byte_buf_has_allocator_#t~ret478#1.offset; [2025-03-17 06:59:59,005 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-17 06:59:59,177 INFO L? ?]: Removed 150 outVars from TransFormulas that were not future-live. [2025-03-17 06:59:59,177 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 06:59:59,187 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 06:59:59,189 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 06:59:59,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 06:59:59 BoogieIcfgContainer [2025-03-17 06:59:59,189 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 06:59:59,192 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 06:59:59,192 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 06:59:59,196 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 06:59:59,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 06:59:49" (1/3) ... [2025-03-17 06:59:59,197 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@695cc2ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 06:59:59, skipping insertion in model container [2025-03-17 06:59:59,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:51" (2/3) ... [2025-03-17 06:59:59,198 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@695cc2ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 06:59:59, skipping insertion in model container [2025-03-17 06:59:59,198 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 06:59:59" (3/3) ... [2025-03-17 06:59:59,199 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_init_copy_harness.i [2025-03-17 06:59:59,210 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 06:59:59,212 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_init_copy_harness.i that has 20 procedures, 194 locations, 1 initial locations, 9 loop locations, and 1 error locations. [2025-03-17 06:59:59,258 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 06:59:59,267 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;@3803f550, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 06:59:59,267 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 06:59:59,272 INFO L276 IsEmpty]: Start isEmpty. Operand has 178 states, 115 states have (on average 1.2260869565217392) internal successors, (141), 114 states have internal predecessors, (141), 49 states have call successors, (49), 15 states have call predecessors, (49), 15 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2025-03-17 06:59:59,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-17 06:59:59,279 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 06:59:59,280 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2025-03-17 06:59:59,280 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 06:59:59,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 06:59:59,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1963854730, now seen corresponding path program 1 times [2025-03-17 06:59:59,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 06:59:59,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912786778] [2025-03-17 06:59:59,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 06:59:59,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:01:23,334 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-17 07:01:23,866 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-17 07:01:23,867 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:01:23,867 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:01:24,538 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-17 07:01:24,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:01:24,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912786778] [2025-03-17 07:01:24,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912786778] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:01:24,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1964558284] [2025-03-17 07:01:24,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:01:24,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:01:24,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:01:24,542 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:01:24,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process