./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d 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_lookup_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 e75e79bb7da52b492a2e3ddc8479f7ccf1edef9ee409c71a9e1468a3f8e14895 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:07:57,307 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:07:57,366 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:07:57,371 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:07:57,372 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:07:57,399 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:07:57,399 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:07:57,400 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:07:57,401 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:07:57,402 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:07:57,402 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:07:57,403 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:07:57,403 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:07:57,404 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:07:57,404 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:07:57,404 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:07:57,404 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:07:57,405 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:07:57,405 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:07:57,405 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:07:57,405 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:07:57,409 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:07:57,409 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:07:57,409 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:07:57,409 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:07:57,410 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:07:57,410 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:07:57,410 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:07:57,410 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:07:57,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:07:57,412 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:07:57,412 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:07:57,412 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:07:57,413 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:07:57,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:07:57,413 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:07:57,413 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:07:57,414 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:07:57,414 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:07:57,414 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e75e79bb7da52b492a2e3ddc8479f7ccf1edef9ee409c71a9e1468a3f8e14895 [2024-11-09 03:07:57,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:07:57,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:07:57,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:07:57,659 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:07:57,659 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:07:57,660 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness_negated.i [2024-11-09 03:07:58,960 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:07:59,344 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:07:59,345 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness_negated.i [2024-11-09 03:07:59,389 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ca90fcc5/2a9c1c2422fb4ee285f51041f93cbf52/FLAGb9ec54869 [2024-11-09 03:07:59,404 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ca90fcc5/2a9c1c2422fb4ee285f51041f93cbf52 [2024-11-09 03:07:59,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:07:59,411 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:07:59,414 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:07:59,414 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:07:59,419 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:07:59,419 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:07:59" (1/1) ... [2024-11-09 03:07:59,420 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3252de27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:59, skipping insertion in model container [2024-11-09 03:07:59,420 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:07:59" (1/1) ... [2024-11-09 03:07:59,536 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:07:59,777 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_lookup_harness_negated.i[4504,4517] [2024-11-09 03:07:59,784 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_lookup_harness_negated.i[4564,4577] [2024-11-09 03:08:00,231 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:00,234 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:00,235 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:00,236 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:00,237 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:00,250 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:00,251 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:00,252 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:00,252 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:00,713 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:00,714 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:00,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:08:00,843 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:08:00,860 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_lookup_harness_negated.i[4504,4517] [2024-11-09 03:08:00,861 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_lookup_harness_negated.i[4564,4577] [2024-11-09 03:08:00,894 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:00,897 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:00,897 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:00,897 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:00,898 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:00,902 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:00,903 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:00,903 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:00,904 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:00,989 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2024-11-09 03:08:00,994 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:00,994 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:01,005 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2024-11-09 03:08:01,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:08:01,295 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:08:01,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:08:01 WrapperNode [2024-11-09 03:08:01,295 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:08:01,302 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:08:01,302 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:08:01,302 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:08:01,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:08:01" (1/1) ... [2024-11-09 03:08:01,388 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:08:01" (1/1) ... [2024-11-09 03:08:01,455 INFO L138 Inliner]: procedures = 680, calls = 2647, calls flagged for inlining = 58, calls inlined = 4, statements flattened = 835 [2024-11-09 03:08:01,455 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:08:01,456 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:08:01,456 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:08:01,456 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:08:01,465 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:08:01" (1/1) ... [2024-11-09 03:08:01,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:08:01" (1/1) ... [2024-11-09 03:08:01,473 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:08:01" (1/1) ... [2024-11-09 03:08:01,551 INFO L175 MemorySlicer]: Split 548 memory accesses to 8 slices as follows [2, 257, 238, 4, 6, 34, 2, 5]. 47 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 0, 0, 4, 0, 5]. The 494 writes are split as follows [0, 257, 232, 0, 2, 3, 0, 0]. [2024-11-09 03:08:01,552 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:08:01" (1/1) ... [2024-11-09 03:08:01,556 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:08:01" (1/1) ... [2024-11-09 03:08:01,597 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:08:01" (1/1) ... [2024-11-09 03:08:01,600 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:08:01" (1/1) ... [2024-11-09 03:08:01,610 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:08:01" (1/1) ... [2024-11-09 03:08:01,624 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:08:01" (1/1) ... [2024-11-09 03:08:01,635 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:08:01,638 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:08:01,639 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:08:01,639 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:08:01,640 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:08:01" (1/1) ... [2024-11-09 03:08:01,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:08:01,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:08:01,672 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) [2024-11-09 03:08:01,675 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 [2024-11-09 03:08:01,714 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-09 03:08:01,715 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-09 03:08:01,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:08:01,716 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:08:01,716 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:08:01,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:08:01,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:08:01,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:08:01,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:08:01,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:08:01,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 03:08:01,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-09 03:08:01,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-09 03:08:01,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:08:01,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:08:01,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:08:01,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:08:01,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:08:01,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 03:08:01,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-09 03:08:01,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-09 03:08:01,718 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2024-11-09 03:08:01,718 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2024-11-09 03:08:01,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:08:01,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:08:01,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:08:01,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:08:01,719 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-09 03:08:01,719 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-09 03:08:01,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:08:01,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:08:01,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:08:01,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:08:01,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:08:01,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 03:08:01,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-09 03:08:01,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-09 03:08:01,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:08:01,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:08:01,720 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:08:01,720 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:08:01,720 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-09 03:08:01,721 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-09 03:08:01,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:08:01,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:08:01,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:08:01,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:08:01,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:08:01,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 03:08:01,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-09 03:08:01,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-09 03:08:01,721 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:08:01,722 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:08:01,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:08:01,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:08:01,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:08:01,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:08:01,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:08:01,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:08:01,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 03:08:01,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-09 03:08:01,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-09 03:08:01,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:08:01,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:08:01,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:08:01,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:08:01,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:08:01,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 03:08:01,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-09 03:08:01,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-09 03:08:01,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:08:01,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:08:01,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:08:01,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:08:01,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:08:01,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 03:08:01,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-09 03:08:01,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-09 03:08:01,726 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-09 03:08:01,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-09 03:08:01,726 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_compare_lookup [2024-11-09 03:08:01,726 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_compare_lookup [2024-11-09 03:08:01,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:08:01,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:08:01,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:08:01,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:08:01,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:08:01,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 03:08:01,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 03:08:01,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-09 03:08:02,012 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:08:02,014 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:08:09,470 INFO L? ?]: Removed 78 outVars from TransFormulas that were not future-live. [2024-11-09 03:08:09,470 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:08:09,487 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:08:09,488 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 03:08:09,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:08:09 BoogieIcfgContainer [2024-11-09 03:08:09,489 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:08:09,490 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:08:09,490 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:08:09,493 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:08:09,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:07:59" (1/3) ... [2024-11-09 03:08:09,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@719e116f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:08:09, skipping insertion in model container [2024-11-09 03:08:09,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:08:01" (2/3) ... [2024-11-09 03:08:09,495 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@719e116f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:08:09, skipping insertion in model container [2024-11-09 03:08:09,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:08:09" (3/3) ... [2024-11-09 03:08:09,497 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_compare_lookup_harness_negated.i [2024-11-09 03:08:09,510 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:08:09,511 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:08:09,568 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:08:09,574 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;@4131a4c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:08:09,574 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:08:09,578 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 80 states have (on average 1.2625) internal successors, (101), 81 states have internal predecessors, (101), 41 states have call successors, (41), 10 states have call predecessors, (41), 10 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-09 03:08:09,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-09 03:08:09,587 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:08:09,587 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-09 03:08:09,588 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:08:09,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:08:09,592 INFO L85 PathProgramCache]: Analyzing trace with hash -912149048, now seen corresponding path program 1 times [2024-11-09 03:08:09,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:08:09,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941464806] [2024-11-09 03:08:09,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:08:09,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:09:25,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:27,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:09:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:27,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 03:09:27,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:28,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:09:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:28,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:09:28,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:28,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 03:09:28,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:28,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 03:09:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:28,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 03:09:28,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:28,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 03:09:28,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:28,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 03:09:28,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:28,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 03:09:28,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:28,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-09 03:09:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:28,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 03:09:28,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:28,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 03:09:28,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:28,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 03:09:28,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:28,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 03:09:28,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:28,729 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-09 03:09:28,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:09:28,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941464806] [2024-11-09 03:09:28,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941464806] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 03:09:28,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701837798] [2024-11-09 03:09:28,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:09:28,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 03:09:28,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:09:28,735 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) [2024-11-09 03:09:28,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process