./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_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 7c476ea7bc8a786d33668b6cb8f301b8252e7c8b80d41c223cf0f784d72657f4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:38:48,227 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:38:48,293 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:38:48,299 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:38:48,299 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:38:48,321 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:38:48,322 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:38:48,322 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:38:48,322 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:38:48,323 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:38:48,323 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:38:48,324 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:38:48,324 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:38:48,324 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:38:48,324 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:38:48,325 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:38:48,325 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:38:48,325 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:38:48,325 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:38:48,325 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:38:48,325 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:38:48,326 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:38:48,326 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:38:48,326 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:38:48,326 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:38:48,326 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:38:48,326 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:38:48,326 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:38:48,326 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:38:48,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:38:48,326 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:38:48,326 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:38:48,326 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:38:48,326 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:38:48,326 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:38:48,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:38:48,326 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:38:48,327 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:38:48,327 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:38:48,327 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:38:48,327 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 -> 7c476ea7bc8a786d33668b6cb8f301b8252e7c8b80d41c223cf0f784d72657f4 [2025-02-08 01:38:48,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:38:48,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:38:48,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:38:48,584 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:38:48,585 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:38:48,586 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness_negated.i [2025-02-08 01:38:49,917 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/88fb2ccd3/ff18f58641f84e6c8197154f805ce291/FLAG048bd2732 [2025-02-08 01:38:50,520 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:38:50,523 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness_negated.i [2025-02-08 01:38:50,572 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/88fb2ccd3/ff18f58641f84e6c8197154f805ce291/FLAG048bd2732 [2025-02-08 01:38:50,589 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/88fb2ccd3/ff18f58641f84e6c8197154f805ce291 [2025-02-08 01:38:50,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:38:50,594 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:38:50,595 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:38:50,596 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:38:50,600 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:38:50,601 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:38:50" (1/1) ... [2025-02-08 01:38:50,602 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7169f4b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:50, skipping insertion in model container [2025-02-08 01:38:50,602 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:38:50" (1/1) ... [2025-02-08 01:38:50,690 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:38:50,933 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_advance_harness_negated.i[4497,4510] [2025-02-08 01:38:50,941 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_advance_harness_negated.i[4557,4570] [2025-02-08 01:38:51,488 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:51,489 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:51,489 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:51,490 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:51,491 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:51,501 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:51,502 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:51,504 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:51,504 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:51,965 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:51,965 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:52,047 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:38:52,114 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:38:52,126 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_advance_harness_negated.i[4497,4510] [2025-02-08 01:38:52,127 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_advance_harness_negated.i[4557,4570] [2025-02-08 01:38:52,167 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:52,167 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:52,168 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:52,169 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:52,169 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:52,178 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:52,179 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:52,179 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:52,180 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:52,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2025-02-08 01:38:52,353 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:52,354 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:52,368 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2025-02-08 01:38:52,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:38:52,598 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:38:52,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:52 WrapperNode [2025-02-08 01:38:52,599 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:38:52,600 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:38:52,600 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:38:52,601 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:38:52,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:52" (1/1) ... [2025-02-08 01:38:52,673 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:52" (1/1) ... [2025-02-08 01:38:52,743 INFO L138 Inliner]: procedures = 679, calls = 2636, calls flagged for inlining = 60, calls inlined = 7, statements flattened = 884 [2025-02-08 01:38:52,744 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:38:52,747 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:38:52,747 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:38:52,747 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:38:52,756 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:52" (1/1) ... [2025-02-08 01:38:52,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:52" (1/1) ... [2025-02-08 01:38:52,765 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:52" (1/1) ... [2025-02-08 01:38:52,825 INFO L175 MemorySlicer]: Split 555 memory accesses to 7 slices as follows [2, 257, 6, 240, 37, 5, 8]. 46 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 0, 0, 6, 4, 5, 2]. The 498 writes are split as follows [0, 257, 2, 232, 7, 0, 0]. [2025-02-08 01:38:52,825 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:52" (1/1) ... [2025-02-08 01:38:52,825 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:52" (1/1) ... [2025-02-08 01:38:52,853 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:52" (1/1) ... [2025-02-08 01:38:52,856 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:52" (1/1) ... [2025-02-08 01:38:52,863 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:52" (1/1) ... [2025-02-08 01:38:52,866 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:52" (1/1) ... [2025-02-08 01:38:52,882 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:38:52,883 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:38:52,883 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:38:52,883 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:38:52,884 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:52" (1/1) ... [2025-02-08 01:38:52,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:38:52,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:38:52,919 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 01:38:52,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 01:38:52,947 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-02-08 01:38:52,947 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-02-08 01:38:52,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:38:52,947 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:38:52,947 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:38:52,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:38:52,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:38:52,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:38:52,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:38:52,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:38:52,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 01:38:52,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-08 01:38:52,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:38:52,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:38:52,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:38:52,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:38:52,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:38:52,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 01:38:52,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-08 01:38:52,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:38:52,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:38:52,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:38:52,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:38:52,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:38:52,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:38:52,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:38:52,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:38:52,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:38:52,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 01:38:52,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-08 01:38:52,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:38:52,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:38:52,950 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:38:52,950 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:38:52,950 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-08 01:38:52,951 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-08 01:38:52,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:38:52,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:38:52,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:38:52,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:38:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:38:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 01:38:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-08 01:38:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:38:52,952 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:38:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:38:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:38:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:38:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:38:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:38:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:38:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 01:38:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-08 01:38:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:38:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:38:52,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:38:52,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:38:52,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:38:52,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 01:38:52,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-08 01:38:52,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:38:52,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:38:52,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:38:52,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:38:52,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:38:52,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 01:38:52,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-08 01:38:52,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:38:52,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:38:52,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:38:52,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:38:52,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:38:52,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 01:38:52,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-08 01:38:53,296 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:38:53,298 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:38:53,355 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 01:38:53,406 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:38:53,459 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7355: havoc #t~mem693;havoc #t~mem694;havoc #t~mem695.base, #t~mem695.offset;havoc #t~short696;havoc #t~mem697;havoc #t~mem698.base, #t~mem698.offset;havoc #t~short699;havoc #t~short700;havoc #t~short701;havoc #t~short702; [2025-02-08 01:39:00,831 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8281: havoc aws_byte_cursor_advance_#t~mem1093#1;havoc aws_byte_cursor_advance_#t~mem1094#1.base, aws_byte_cursor_advance_#t~mem1094#1.offset;call ULTIMATE.dealloc(aws_byte_cursor_advance_~#rv~6#1.base, aws_byte_cursor_advance_~#rv~6#1.offset);havoc aws_byte_cursor_advance_~#rv~6#1.base, aws_byte_cursor_advance_~#rv~6#1.offset; [2025-02-08 01:39:00,832 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7125-1: SUMMARY for call assume_abort_if_not((if 0 == (if save_byte_from_array_#t~mem603#1 % 18446744073709551616 < save_byte_from_array_~size#1 % 18446744073709551616 then 1 else 0) then 0 else 1)); srcloc: null [2025-02-08 01:39:00,832 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7125: havoc save_byte_from_array_#t~mem603#1;call save_byte_from_array_#t~mem604#1 := read~int#2(save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8);call save_byte_from_array_#t~mem605#1 := read~int#3(save_byte_from_array_~array#1.base, save_byte_from_array_~array#1.offset + (if save_byte_from_array_#t~mem604#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then save_byte_from_array_#t~mem604#1 % 18446744073709551616 % 18446744073709551616 else save_byte_from_array_#t~mem604#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616), 1);call write~int#2(save_byte_from_array_#t~mem605#1, save_byte_from_array_~storage#1.base, 8 + save_byte_from_array_~storage#1.offset, 1);havoc save_byte_from_array_#t~mem604#1;havoc save_byte_from_array_#t~mem605#1; [2025-02-08 01:39:00,833 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1;save_byte_from_array_#t~ret602#1 := nondet_size_t_#res#1;havoc nondet_size_t_#t~nondet6#1;assume { :end_inline_nondet_size_t } true;call write~int#2(save_byte_from_array_#t~ret602#1, save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8);havoc save_byte_from_array_#t~ret602#1;call save_byte_from_array_#t~mem603#1 := read~int#2(save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8); [2025-02-08 01:39:01,000 INFO L? ?]: Removed 75 outVars from TransFormulas that were not future-live. [2025-02-08 01:39:01,002 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:39:01,013 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:39:01,013 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:39:01,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:39:01 BoogieIcfgContainer [2025-02-08 01:39:01,014 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:39:01,019 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:39:01,019 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:39:01,023 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:39:01,023 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:38:50" (1/3) ... [2025-02-08 01:39:01,024 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29ec67d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:39:01, skipping insertion in model container [2025-02-08 01:39:01,024 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:52" (2/3) ... [2025-02-08 01:39:01,024 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29ec67d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:39:01, skipping insertion in model container [2025-02-08 01:39:01,025 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:39:01" (3/3) ... [2025-02-08 01:39:01,027 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_advance_harness_negated.i [2025-02-08 01:39:01,041 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:39:01,044 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_advance_harness_negated.i that has 7 procedures, 84 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-08 01:39:01,093 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:39:01,105 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;@398ebd9d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:39:01,105 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:39:01,109 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 54 states have (on average 1.2962962962962963) internal successors, (70), 56 states have internal predecessors, (70), 21 states have call successors, (21), 6 states have call predecessors, (21), 6 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-08 01:39:01,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-08 01:39:01,116 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:39:01,117 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2025-02-08 01:39:01,117 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:39:01,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:39:01,122 INFO L85 PathProgramCache]: Analyzing trace with hash 87603146, now seen corresponding path program 1 times [2025-02-08 01:39:01,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:39:01,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523946166] [2025-02-08 01:39:01,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:39:01,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:40:10,337 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 01:40:11,087 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 01:40:11,090 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:40:11,091 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:40:14,483 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-02-08 01:40:14,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:40:14,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523946166] [2025-02-08 01:40:14,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523946166] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:40:14,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753713772] [2025-02-08 01:40:14,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:40:14,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:40:14,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:40:14,491 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:40:14,493 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