./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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_string_eq_byte_cursor_harness_negated.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 749bc7c3e2c622f5289869c5db45e560b0834c165d96fec0a030808c5f793112 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 20:05:11,305 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 20:05:11,343 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 20:05:11,346 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 20:05:11,347 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 20:05:11,377 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 20:05:11,377 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 20:05:11,378 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 20:05:11,378 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 20:05:11,379 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 20:05:11,379 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 20:05:11,379 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 20:05:11,380 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 20:05:11,381 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 20:05:11,381 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 20:05:11,382 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 20:05:11,382 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 20:05:11,382 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 20:05:11,383 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 20:05:11,383 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 20:05:11,383 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 20:05:11,386 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 20:05:11,386 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 20:05:11,386 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 20:05:11,386 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 20:05:11,386 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 20:05:11,387 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 20:05:11,387 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 20:05:11,387 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 20:05:11,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 20:05:11,387 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 20:05:11,387 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 20:05:11,388 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 20:05:11,388 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 20:05:11,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 20:05:11,388 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 20:05:11,388 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 20:05:11,388 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 20:05:11,389 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 20:05:11,389 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 749bc7c3e2c622f5289869c5db45e560b0834c165d96fec0a030808c5f793112 [2024-11-16 20:05:11,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 20:05:11,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 20:05:11,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 20:05:11,650 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 20:05:11,651 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 20:05:11,652 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i [2024-11-16 20:05:13,063 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 20:05:13,459 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 20:05:13,460 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i [2024-11-16 20:05:13,495 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ef669e5b/c8a142e3ef5d464bae4d77f18ae49857/FLAG52720c6a6 [2024-11-16 20:05:13,508 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ef669e5b/c8a142e3ef5d464bae4d77f18ae49857 [2024-11-16 20:05:13,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 20:05:13,512 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 20:05:13,514 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 20:05:13,515 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 20:05:13,519 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 20:05:13,520 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:05:13" (1/1) ... [2024-11-16 20:05:13,521 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b639e66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:05:13, skipping insertion in model container [2024-11-16 20:05:13,521 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:05:13" (1/1) ... [2024-11-16 20:05:13,603 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 20:05:13,822 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_string_eq_byte_cursor_harness_negated.i[4499,4512] [2024-11-16 20:05:13,829 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_string_eq_byte_cursor_harness_negated.i[4559,4572] [2024-11-16 20:05:14,365 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:05:14,368 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:05:14,369 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:05:14,369 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:05:14,370 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:05:14,380 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:05:14,381 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:05:14,382 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:05:14,383 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:05:14,866 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:05:14,867 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:05:14,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 20:05:15,038 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 20:05:15,057 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_string_eq_byte_cursor_harness_negated.i[4499,4512] [2024-11-16 20:05:15,058 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_string_eq_byte_cursor_harness_negated.i[4559,4572] [2024-11-16 20:05:15,099 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:05:15,099 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:05:15,100 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:05:15,100 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:05:15,101 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:05:15,107 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:05:15,107 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:05:15,107 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:05:15,108 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:05:15,194 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8221] [2024-11-16 20:05:15,196 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:05:15,196 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 20:05:15,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8707-8718] [2024-11-16 20:05:15,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 20:05:15,444 INFO L204 MainTranslator]: Completed translation [2024-11-16 20:05:15,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:05:15 WrapperNode [2024-11-16 20:05:15,445 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 20:05:15,446 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 20:05:15,446 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 20:05:15,446 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 20:05:15,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:05:15" (1/1) ... [2024-11-16 20:05:15,513 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:05:15" (1/1) ... [2024-11-16 20:05:15,577 INFO L138 Inliner]: procedures = 682, calls = 2795, calls flagged for inlining = 60, calls inlined = 7, statements flattened = 879 [2024-11-16 20:05:15,578 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 20:05:15,579 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 20:05:15,579 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 20:05:15,579 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 20:05:15,587 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:05:15" (1/1) ... [2024-11-16 20:05:15,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:05:15" (1/1) ... [2024-11-16 20:05:15,598 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:05:15" (1/1) ... [2024-11-16 20:05:15,664 INFO L175 MemorySlicer]: Split 543 memory accesses to 7 slices as follows [2, 257, 5, 238, 13, 16, 12]. 47 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 0, 5, 6, 2, 16, 0]. The 493 writes are split as follows [0, 257, 0, 232, 1, 0, 3]. [2024-11-16 20:05:15,665 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:05:15" (1/1) ... [2024-11-16 20:05:15,665 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:05:15" (1/1) ... [2024-11-16 20:05:15,700 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:05:15" (1/1) ... [2024-11-16 20:05:15,704 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:05:15" (1/1) ... [2024-11-16 20:05:15,714 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:05:15" (1/1) ... [2024-11-16 20:05:15,721 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:05:15" (1/1) ... [2024-11-16 20:05:15,736 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 20:05:15,741 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 20:05:15,741 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 20:05:15,741 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 20:05:15,742 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:05:15" (1/1) ... [2024-11-16 20:05:15,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 20:05:15,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 20:05:15,782 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) [2024-11-16 20:05:15,784 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 [2024-11-16 20:05:15,829 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-16 20:05:15,829 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-16 20:05:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-16 20:05:15,830 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-16 20:05:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-16 20:05:15,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-16 20:05:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 20:05:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 20:05:15,830 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 20:05:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 20:05:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 20:05:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 20:05:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 20:05:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 20:05:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-16 20:05:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-16 20:05:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 20:05:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 20:05:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 20:05:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 20:05:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 20:05:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 20:05:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-16 20:05:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 20:05:15,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 20:05:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 20:05:15,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 20:05:15,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 20:05:15,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 20:05:15,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 20:05:15,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 20:05:15,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 20:05:15,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-16 20:05:15,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-16 20:05:15,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 20:05:15,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 20:05:15,834 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 20:05:15,834 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 20:05:15,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 20:05:15,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 20:05:15,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 20:05:15,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 20:05:15,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 20:05:15,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-16 20:05:15,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-16 20:05:15,835 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 20:05:15,835 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 20:05:15,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 20:05:15,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 20:05:15,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 20:05:15,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 20:05:15,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 20:05:15,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 20:05:15,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-16 20:05:15,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-16 20:05:15,878 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-16 20:05:15,878 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-16 20:05:15,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 20:05:15,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 20:05:15,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 20:05:15,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 20:05:15,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 20:05:15,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-16 20:05:15,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-16 20:05:15,879 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-16 20:05:15,879 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-16 20:05:15,879 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-16 20:05:15,879 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-16 20:05:15,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 20:05:15,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 20:05:15,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 20:05:15,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 20:05:15,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 20:05:15,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 20:05:15,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-16 20:05:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 20:05:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 20:05:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 20:05:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 20:05:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 20:05:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 20:05:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-16 20:05:16,128 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 20:05:16,130 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 20:05:16,156 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-16 20:05:16,172 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6244: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2024-11-16 20:05:16,173 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-16 20:05:16,185 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7671: havoc #t~nondet817; [2024-11-16 20:05:16,194 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 20:05:16,221 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7339: 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; [2024-11-16 20:05:16,242 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791: havoc #t~ret543#1.base, #t~ret543#1.offset; [2024-11-16 20:05:23,435 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L9315: havoc aws_string_eq_byte_cursor_#t~mem1302#1;havoc aws_string_eq_byte_cursor_#t~mem1303#1.base, aws_string_eq_byte_cursor_#t~mem1303#1.offset;havoc aws_string_eq_byte_cursor_#t~mem1304#1;havoc aws_string_eq_byte_cursor_#t~ret1305#1; [2024-11-16 20:05:23,456 INFO L? ?]: Removed 99 outVars from TransFormulas that were not future-live. [2024-11-16 20:05:23,456 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 20:05:23,471 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 20:05:23,472 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 20:05:23,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:05:23 BoogieIcfgContainer [2024-11-16 20:05:23,472 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 20:05:23,474 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 20:05:23,474 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 20:05:23,477 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 20:05:23,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:05:13" (1/3) ... [2024-11-16 20:05:23,478 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f054795 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:05:23, skipping insertion in model container [2024-11-16 20:05:23,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:05:15" (2/3) ... [2024-11-16 20:05:23,478 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f054795 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:05:23, skipping insertion in model container [2024-11-16 20:05:23,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:05:23" (3/3) ... [2024-11-16 20:05:23,479 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_eq_byte_cursor_harness_negated.i [2024-11-16 20:05:23,492 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 20:05:23,492 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 20:05:23,575 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 20:05:23,585 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;@2771328, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 20:05:23,585 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 20:05:23,591 INFO L276 IsEmpty]: Start isEmpty. Operand has 124 states, 83 states have (on average 1.2771084337349397) internal successors, (106), 84 states have internal predecessors, (106), 29 states have call successors, (29), 10 states have call predecessors, (29), 10 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-16 20:05:23,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-16 20:05:23,601 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 20:05:23,602 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2024-11-16 20:05:23,603 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 20:05:23,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 20:05:23,608 INFO L85 PathProgramCache]: Analyzing trace with hash 835591715, now seen corresponding path program 1 times [2024-11-16 20:05:23,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 20:05:23,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198555962] [2024-11-16 20:05:23,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:05:23,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 20:06:39,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:06:40,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 20:06:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:06:40,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 20:06:40,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:06:40,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-16 20:06:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:06:41,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-16 20:06:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:06:41,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 20:06:41,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:06:41,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 20:06:41,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:06:41,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 20:06:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:06:41,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 20:06:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 20:06:41,199 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-16 20:06:41,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 20:06:41,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198555962] [2024-11-16 20:06:41,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198555962] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 20:06:41,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [616315601] [2024-11-16 20:06:41,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 20:06:41,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 20:06:41,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 20:06:41,202 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) [2024-11-16 20:06:41,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process