./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_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 c3c4a9e584379924ee65c46a83a6da8fed615179d4e8c5775609e5e7922fb6da --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 10:02:57,420 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 10:02:57,479 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 10:02:57,483 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 10:02:57,483 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 10:02:57,509 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 10:02:57,510 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 10:02:57,510 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 10:02:57,511 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 10:02:57,511 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 10:02:57,512 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 10:02:57,512 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 10:02:57,512 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 10:02:57,513 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 10:02:57,513 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 10:02:57,513 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 10:02:57,513 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 10:02:57,514 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 10:02:57,514 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 10:02:57,514 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 10:02:57,514 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 10:02:57,515 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 10:02:57,515 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 10:02:57,515 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 10:02:57,516 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 10:02:57,516 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 10:02:57,516 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 10:02:57,516 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 10:02:57,517 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 10:02:57,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:02:57,517 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 10:02:57,517 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 10:02:57,518 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 10:02:57,518 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 10:02:57,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 10:02:57,518 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 10:02:57,518 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 10:02:57,518 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 10:02:57,519 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 10:02:57,519 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3c4a9e584379924ee65c46a83a6da8fed615179d4e8c5775609e5e7922fb6da [2024-11-20 10:02:57,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 10:02:57,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 10:02:57,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 10:02:57,776 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 10:02:57,777 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 10:02:57,778 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness_negated.i [2024-11-20 10:02:59,123 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 10:02:59,542 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 10:02:59,543 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness_negated.i [2024-11-20 10:02:59,587 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d858582ea/313ab336a82a4b038d7862a12ec139f6/FLAG7e52dc2b2 [2024-11-20 10:02:59,604 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d858582ea/313ab336a82a4b038d7862a12ec139f6 [2024-11-20 10:02:59,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 10:02:59,609 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 10:02:59,612 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 10:02:59,612 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 10:02:59,617 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 10:02:59,617 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:02:59" (1/1) ... [2024-11-20 10:02:59,618 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62a8294e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:02:59, skipping insertion in model container [2024-11-20 10:02:59,619 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:02:59" (1/1) ... [2024-11-20 10:02:59,717 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 10:03:00,002 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness_negated.i[4505,4518] [2024-11-20 10:03:00,010 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness_negated.i[4565,4578] [2024-11-20 10:03:00,564 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:00,565 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:00,565 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:00,566 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:00,567 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:00,577 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:00,578 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:00,579 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:00,580 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:01,075 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:01,075 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:01,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:03:01,170 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 10:03:01,187 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness_negated.i[4505,4518] [2024-11-20 10:03:01,187 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness_negated.i[4565,4578] [2024-11-20 10:03:01,226 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:01,227 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:01,227 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:01,228 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:01,228 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:01,234 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:01,234 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:01,235 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:01,236 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:01,366 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2024-11-20 10:03:01,367 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:01,368 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:03:01,479 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2024-11-20 10:03:01,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:03:01,809 INFO L204 MainTranslator]: Completed translation [2024-11-20 10:03:01,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:03:01 WrapperNode [2024-11-20 10:03:01,810 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 10:03:01,811 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 10:03:01,811 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 10:03:01,811 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 10:03:01,819 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:03:01" (1/1) ... [2024-11-20 10:03:01,932 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:03:01" (1/1) ... [2024-11-20 10:03:02,007 INFO L138 Inliner]: procedures = 680, calls = 2654, calls flagged for inlining = 59, calls inlined = 6, statements flattened = 928 [2024-11-20 10:03:02,008 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 10:03:02,008 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 10:03:02,008 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 10:03:02,008 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 10:03:02,018 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:03:01" (1/1) ... [2024-11-20 10:03:02,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:03:01" (1/1) ... [2024-11-20 10:03:02,029 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:03:01" (1/1) ... [2024-11-20 10:03:02,098 INFO L175 MemorySlicer]: Split 558 memory accesses to 7 slices as follows [2, 257, 238, 6, 4, 46, 5]. 46 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 0, 0, 4, 5]. The 494 writes are split as follows [0, 257, 232, 2, 0, 3, 0]. [2024-11-20 10:03:02,099 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:03:01" (1/1) ... [2024-11-20 10:03:02,099 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:03:01" (1/1) ... [2024-11-20 10:03:02,132 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:03:01" (1/1) ... [2024-11-20 10:03:02,135 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:03:01" (1/1) ... [2024-11-20 10:03:02,174 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:03:01" (1/1) ... [2024-11-20 10:03:02,179 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:03:01" (1/1) ... [2024-11-20 10:03:02,189 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 10:03:02,190 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 10:03:02,190 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 10:03:02,190 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 10:03:02,191 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:03:01" (1/1) ... [2024-11-20 10:03:02,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:03:02,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 10:03:02,264 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) [2024-11-20 10:03:02,272 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 [2024-11-20 10:03:02,337 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-20 10:03:02,338 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-20 10:03:02,339 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_compare_lexical [2024-11-20 10:03:02,339 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_compare_lexical [2024-11-20 10:03:02,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 10:03:02,339 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-20 10:03:02,339 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-20 10:03:02,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 10:03:02,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 10:03:02,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 10:03:02,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 10:03:02,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 10:03:02,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-20 10:03:02,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-20 10:03:02,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 10:03:02,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 10:03:02,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 10:03:02,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 10:03:02,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 10:03:02,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-20 10:03:02,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-20 10:03:02,364 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2024-11-20 10:03:02,364 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2024-11-20 10:03:02,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 10:03:02,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 10:03:02,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 10:03:02,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 10:03:02,364 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-20 10:03:02,364 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-20 10:03:02,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 10:03:02,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 10:03:02,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 10:03:02,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 10:03:02,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 10:03:02,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-20 10:03:02,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-20 10:03:02,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 10:03:02,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 10:03:02,365 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-20 10:03:02,365 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-20 10:03:02,365 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-20 10:03:02,365 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-20 10:03:02,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 10:03:02,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 10:03:02,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 10:03:02,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 10:03:02,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 10:03:02,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-20 10:03:02,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-20 10:03:02,365 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 10:03:02,365 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 10:03:02,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 10:03:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 10:03:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 10:03:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 10:03:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 10:03:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-20 10:03:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-20 10:03:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-20 10:03:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 10:03:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 10:03:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 10:03:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 10:03:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 10:03:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-20 10:03:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-20 10:03:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-20 10:03:02,366 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-20 10:03:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 10:03:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 10:03:02,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 10:03:02,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 10:03:02,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 10:03:02,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-20 10:03:02,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-20 10:03:02,367 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-20 10:03:02,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-20 10:03:02,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 10:03:02,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 10:03:02,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 10:03:02,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 10:03:02,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 10:03:02,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-20 10:03:02,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-20 10:03:02,739 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 10:03:02,741 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 10:03:10,682 INFO L? ?]: Removed 95 outVars from TransFormulas that were not future-live. [2024-11-20 10:03:10,683 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 10:03:10,696 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 10:03:10,696 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 10:03:10,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:03:10 BoogieIcfgContainer [2024-11-20 10:03:10,697 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 10:03:10,699 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 10:03:10,699 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 10:03:10,702 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 10:03:10,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:02:59" (1/3) ... [2024-11-20 10:03:10,702 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b672af3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:03:10, skipping insertion in model container [2024-11-20 10:03:10,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:03:01" (2/3) ... [2024-11-20 10:03:10,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b672af3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:03:10, skipping insertion in model container [2024-11-20 10:03:10,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:03:10" (3/3) ... [2024-11-20 10:03:10,705 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_compare_lexical_harness_negated.i [2024-11-20 10:03:10,718 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 10:03:10,718 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 10:03:10,795 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 10:03:10,802 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;@799a9e97, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 10:03:10,802 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 10:03:10,807 INFO L276 IsEmpty]: Start isEmpty. Operand has 149 states, 90 states have (on average 1.2222222222222223) internal successors, (110), 91 states have internal predecessors, (110), 46 states have call successors, (46), 11 states have call predecessors, (46), 11 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-20 10:03:10,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-20 10:03:10,822 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:03:10,823 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 10:03:10,824 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:03:10,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:03:10,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1411432407, now seen corresponding path program 1 times [2024-11-20 10:03:10,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:03:10,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623888417] [2024-11-20 10:03:10,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:03:10,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:04:41,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:42,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:04:42,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:04:42,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 10:04:42,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat