./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_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_cursor_from_buf_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 3d97d04097e42514d5700bbc256d61ac595fb6c5eca16e749be15c2d6158293f --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:10:12,896 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:10:12,954 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:10:12,962 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:10:12,965 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:10:12,987 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:10:12,989 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:10:12,989 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:10:12,989 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:10:12,989 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:10:12,990 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:10:12,990 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:10:12,990 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:10:12,991 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:10:12,991 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:10:12,991 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:10:12,991 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:10:12,991 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:10:12,991 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:10:12,991 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:10:12,992 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:10:12,992 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:10:12,992 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:10:12,992 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:10:12,992 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:10:12,992 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:10:12,992 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:10:12,992 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:10:12,992 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:10:12,992 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:10:12,992 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:10:12,992 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:10:12,993 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:10:12,993 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:10:12,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:10:12,993 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:10:12,993 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:10:12,993 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:10:12,993 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:10:12,994 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:10:12,994 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:10:12,994 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:10:12,994 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:10:12,994 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:10:12,994 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:10:12,994 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 -> 3d97d04097e42514d5700bbc256d61ac595fb6c5eca16e749be15c2d6158293f [2025-01-09 17:10:13,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:10:13,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:10:13,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:10:13,228 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:10:13,228 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:10:13,229 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i [2025-01-09 17:10:14,375 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/afc5efc83/4bb24efcc561409ea6faae0e37b286e6/FLAG995a8f53c [2025-01-09 17:10:14,846 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:10:14,849 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i [2025-01-09 17:10:14,881 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/afc5efc83/4bb24efcc561409ea6faae0e37b286e6/FLAG995a8f53c [2025-01-09 17:10:14,896 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/afc5efc83/4bb24efcc561409ea6faae0e37b286e6 [2025-01-09 17:10:14,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:10:14,900 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:10:14,901 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:10:14,901 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:10:14,904 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:10:14,905 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:10:14" (1/1) ... [2025-01-09 17:10:14,906 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cfbb23f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:14, skipping insertion in model container [2025-01-09 17:10:14,906 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:10:14" (1/1) ... [2025-01-09 17:10:14,969 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:10:15,186 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_cursor_from_buf_harness_negated.i[4498,4511] [2025-01-09 17:10:15,196 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_cursor_from_buf_harness_negated.i[4558,4571] [2025-01-09 17:10:15,695 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:15,696 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:15,696 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:15,697 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:15,698 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:15,706 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:15,706 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:15,707 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:15,708 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:16,124 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:16,125 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:16,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:10:16,246 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:10:16,256 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_cursor_from_buf_harness_negated.i[4498,4511] [2025-01-09 17:10:16,261 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_cursor_from_buf_harness_negated.i[4558,4571] [2025-01-09 17:10:16,295 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:16,296 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:16,296 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:16,297 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:16,297 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:16,303 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:16,306 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:16,306 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:16,307 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:16,397 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2025-01-09 17:10:16,398 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:16,399 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:16,408 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2025-01-09 17:10:16,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:10:16,585 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:10:16,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:16 WrapperNode [2025-01-09 17:10:16,586 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:10:16,587 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:10:16,587 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:10:16,587 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:10:16,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:16" (1/1) ... [2025-01-09 17:10:16,658 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:16" (1/1) ... [2025-01-09 17:10:16,714 INFO L138 Inliner]: procedures = 679, calls = 2633, calls flagged for inlining = 61, calls inlined = 9, statements flattened = 870 [2025-01-09 17:10:16,715 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:10:16,715 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:10:16,715 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:10:16,715 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:10:16,726 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:16" (1/1) ... [2025-01-09 17:10:16,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:16" (1/1) ... [2025-01-09 17:10:16,734 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:16" (1/1) ... [2025-01-09 17:10:16,815 INFO L175 MemorySlicer]: Split 565 memory accesses to 6 slices as follows [2, 257, 14, 39, 247, 6]. 45 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 0, 2, 8, 11, 0]. The 495 writes are split as follows [0, 257, 2, 2, 232, 2]. [2025-01-09 17:10:16,817 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:16" (1/1) ... [2025-01-09 17:10:16,817 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:16" (1/1) ... [2025-01-09 17:10:16,850 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:16" (1/1) ... [2025-01-09 17:10:16,855 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:16" (1/1) ... [2025-01-09 17:10:16,859 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:16" (1/1) ... [2025-01-09 17:10:16,867 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:16" (1/1) ... [2025-01-09 17:10:16,873 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:16" (1/1) ... [2025-01-09 17:10:16,890 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:10:16,891 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:10:16,891 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:10:16,891 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:10:16,891 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:16" (1/1) ... [2025-01-09 17:10:16,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:10:16,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:10:16,922 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 17:10:16,931 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 17:10:16,944 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-01-09 17:10:16,944 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-01-09 17:10:16,944 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-01-09 17:10:16,944 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-01-09 17:10:16,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:10:16,944 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:10:16,944 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:10:16,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:10:16,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:10:16,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:10:16,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:10:16,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:10:16,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:10:16,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:10:16,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:10:16,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:10:16,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:10:16,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:10:16,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:10:16,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:10:16,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:10:16,946 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_from_buf [2025-01-09 17:10:16,946 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_from_buf [2025-01-09 17:10:16,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:10:16,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:10:16,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:10:16,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:10:16,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:10:16,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:10:16,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:10:16,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:10:16,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:10:16,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:10:16,948 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:10:16,948 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:10:16,948 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-01-09 17:10:16,948 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-01-09 17:10:16,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:10:16,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:10:16,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:10:16,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:10:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:10:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:10:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:10:16,949 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:10:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:10:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:10:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:10:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:10:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:10:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:10:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:10:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:10:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:10:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:10:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:10:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:10:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:10:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:10:16,949 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:10:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:10:16,949 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:10:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:10:16,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:10:16,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:10:16,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:10:16,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:10:16,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:10:16,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:10:16,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:10:16,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:10:16,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:10:16,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:10:16,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:10:17,161 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:10:17,163 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:10:24,351 INFO L? ?]: Removed 125 outVars from TransFormulas that were not future-live. [2025-01-09 17:10:24,351 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:10:24,358 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:10:24,359 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 17:10:24,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:10:24 BoogieIcfgContainer [2025-01-09 17:10:24,359 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:10:24,361 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:10:24,361 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:10:24,364 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:10:24,364 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:10:14" (1/3) ... [2025-01-09 17:10:24,364 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ee02cec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:10:24, skipping insertion in model container [2025-01-09 17:10:24,364 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:16" (2/3) ... [2025-01-09 17:10:24,365 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ee02cec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:10:24, skipping insertion in model container [2025-01-09 17:10:24,365 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:10:24" (3/3) ... [2025-01-09 17:10:24,369 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_buf_harness_negated.i [2025-01-09 17:10:24,383 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:10:24,384 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_from_buf_harness_negated.i that has 11 procedures, 128 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-01-09 17:10:24,417 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:10:24,425 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;@68176c75, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:10:24,425 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:10:24,428 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 88 states have (on average 1.25) internal successors, (110), 89 states have internal predecessors, (110), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-01-09 17:10:24,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-01-09 17:10:24,433 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:10:24,434 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:10:24,434 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:10:24,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:10:24,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1503850868, now seen corresponding path program 1 times [2025-01-09 17:10:24,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:10:24,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723683575] [2025-01-09 17:10:24,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:10:24,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:11:28,698 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-01-09 17:11:29,217 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-01-09 17:11:29,218 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:11:29,218 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:11:31,310 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-01-09 17:11:31,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:11:31,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723683575] [2025-01-09 17:11:31,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723683575] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:11:31,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1362078619] [2025-01-09 17:11:31,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:11:31,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:11:31,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:11:31,317 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 17:11:31,318 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