./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc 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_byte_cursor_compare_lexical_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fa640d76b01d20471995032e33acbe8cd362fa74ac26bb02247b6be5b51a4b6c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:11:36,994 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:11:37,067 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:11:37,083 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:11:37,083 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:11:37,117 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:11:37,119 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:11:37,119 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:11:37,120 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:11:37,121 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:11:37,121 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:11:37,122 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:11:37,122 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:11:37,122 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:11:37,123 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:11:37,123 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:11:37,123 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:11:37,123 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:11:37,124 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:11:37,125 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:11:37,126 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:11:37,126 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:11:37,126 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:11:37,127 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:11:37,127 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:11:37,127 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:11:37,127 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:11:37,128 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:11:37,128 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:11:37,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:11:37,129 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:11:37,129 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:11:37,129 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:11:37,129 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:11:37,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:11:37,130 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:11:37,130 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:11:37,130 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:11:37,131 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:11:37,131 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa640d76b01d20471995032e33acbe8cd362fa74ac26bb02247b6be5b51a4b6c [2024-11-19 02:11:37,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:11:37,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:11:37,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:11:37,441 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:11:37,441 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:11:37,442 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i [2024-11-19 02:11:38,916 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:11:39,404 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:11:39,404 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i [2024-11-19 02:11:39,441 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5b2fc678/59791ef627b2482694ce15b5496809c3/FLAGb8da71d25 [2024-11-19 02:11:39,458 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5b2fc678/59791ef627b2482694ce15b5496809c3 [2024-11-19 02:11:39,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:11:39,463 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:11:39,465 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:11:39,465 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:11:39,470 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:11:39,471 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:11:39" (1/1) ... [2024-11-19 02:11:39,473 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@624ce176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:39, skipping insertion in model container [2024-11-19 02:11:39,473 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:11:39" (1/1) ... [2024-11-19 02:11:39,581 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:11:39,924 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.i[4505,4518] [2024-11-19 02:11:39,935 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.i[4565,4578] [2024-11-19 02:11:40,735 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:40,736 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:40,737 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:40,737 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:40,738 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:40,751 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:40,753 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:40,755 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:40,756 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:41,329 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:41,330 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:41,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:11:41,463 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:11:41,482 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.i[4505,4518] [2024-11-19 02:11:41,483 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.i[4565,4578] [2024-11-19 02:11:41,526 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:41,527 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:41,527 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:41,527 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:41,528 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:41,535 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:41,536 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:41,537 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:41,537 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:41,660 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2024-11-19 02:11:41,663 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:41,663 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:41,677 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2024-11-19 02:11:41,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:11:41,982 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:11:41,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:41 WrapperNode [2024-11-19 02:11:41,982 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:11:41,983 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:11:41,983 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:11:41,984 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:11:41,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:41" (1/1) ... [2024-11-19 02:11:42,090 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:41" (1/1) ... [2024-11-19 02:11:42,186 INFO L138 Inliner]: procedures = 680, calls = 2654, calls flagged for inlining = 59, calls inlined = 6, statements flattened = 928 [2024-11-19 02:11:42,188 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:11:42,189 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:11:42,189 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:11:42,190 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:11:42,200 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:41" (1/1) ... [2024-11-19 02:11:42,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:41" (1/1) ... [2024-11-19 02:11:42,211 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:41" (1/1) ... [2024-11-19 02:11:42,295 INFO L175 MemorySlicer]: Split 558 memory accesses to 7 slices as follows [46, 2, 257, 238, 6, 4, 5]. 46 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [4, 2, 0, 6, 0, 0, 5]. The 494 writes are split as follows [3, 0, 257, 232, 2, 0, 0]. [2024-11-19 02:11:42,299 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:41" (1/1) ... [2024-11-19 02:11:42,299 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:41" (1/1) ... [2024-11-19 02:11:42,343 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:41" (1/1) ... [2024-11-19 02:11:42,345 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:41" (1/1) ... [2024-11-19 02:11:42,361 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:41" (1/1) ... [2024-11-19 02:11:42,374 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:41" (1/1) ... [2024-11-19 02:11:42,395 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:11:42,396 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:11:42,397 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:11:42,397 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:11:42,398 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:41" (1/1) ... [2024-11-19 02:11:42,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:11:42,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:11:42,464 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) [2024-11-19 02:11:42,470 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 [2024-11-19 02:11:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-19 02:11:42,516 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-19 02:11:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_compare_lexical [2024-11-19 02:11:42,516 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_compare_lexical [2024-11-19 02:11:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:11:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:11:42,517 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:11:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:11:42,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:11:42,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:11:42,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:11:42,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:11:42,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 02:11:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 02:11:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:11:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:11:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:11:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:11:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:11:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 02:11:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 02:11:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2024-11-19 02:11:42,520 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2024-11-19 02:11:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:11:42,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:11:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:11:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:11:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-19 02:11:42,521 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-19 02:11:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:11:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:11:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:11:42,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:11:42,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:11:42,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 02:11:42,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 02:11:42,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:11:42,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:11:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:11:42,523 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:11:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-19 02:11:42,524 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-19 02:11:42,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:11:42,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:11:42,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:11:42,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:11:42,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:11:42,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 02:11:42,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 02:11:42,525 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:11:42,525 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:11:42,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:11:42,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:11:42,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:11:42,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:11:42,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:11:42,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:11:42,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 02:11:42,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 02:11:42,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:11:42,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:11:42,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:11:42,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:11:42,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:11:42,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 02:11:42,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 02:11:42,527 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-19 02:11:42,527 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-19 02:11:42,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:11:42,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:11:42,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:11:42,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:11:42,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:11:42,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 02:11:42,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 02:11:42,528 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-19 02:11:42,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-19 02:11:42,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:11:42,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:11:42,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:11:42,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:11:42,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:11:42,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 02:11:42,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 02:11:42,851 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:11:42,855 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:11:51,718 INFO L? ?]: Removed 95 outVars from TransFormulas that were not future-live. [2024-11-19 02:11:51,718 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:11:51,735 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:11:51,737 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 02:11:51,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:11:51 BoogieIcfgContainer [2024-11-19 02:11:51,737 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:11:51,740 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:11:51,741 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:11:51,744 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:11:51,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:11:39" (1/3) ... [2024-11-19 02:11:51,745 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cc8d67c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:11:51, skipping insertion in model container [2024-11-19 02:11:51,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:41" (2/3) ... [2024-11-19 02:11:51,745 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cc8d67c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:11:51, skipping insertion in model container [2024-11-19 02:11:51,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:11:51" (3/3) ... [2024-11-19 02:11:51,748 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_compare_lexical_harness.i [2024-11-19 02:11:51,763 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:11:51,764 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:11:51,836 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:11:51,842 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;@44507eaa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:11:51,842 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:11:51,846 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) [2024-11-19 02:11:51,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-19 02:11:51,858 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:11:51,858 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] [2024-11-19 02:11:51,859 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:11:51,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:11:51,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1411432407, now seen corresponding path program 1 times [2024-11-19 02:11:51,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:11:51,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055331279] [2024-11-19 02:11:51,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:11:51,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:13:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:13:06,335 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-11-19 02:13:06,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:13:06,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055331279] [2024-11-19 02:13:06,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055331279] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:13:06,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051408525] [2024-11-19 02:13:06,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:13:06,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:13:06,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:13:06,341 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) [2024-11-19 02:13:06,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process