./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_byte_buf_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f 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 ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_byte_buf_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 67f91616a04fd34810833b3e688acc6e6795398dee40f60397ae88c5a06b9566 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 14:11:43,213 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 14:11:43,264 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 14:11:43,268 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 14:11:43,270 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 14:11:43,295 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 14:11:43,296 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 14:11:43,297 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 14:11:43,297 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 14:11:43,298 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 14:11:43,299 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 14:11:43,299 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 14:11:43,299 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 14:11:43,300 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 14:11:43,300 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 14:11:43,302 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 14:11:43,302 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 14:11:43,302 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 14:11:43,302 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 14:11:43,302 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 14:11:43,303 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 14:11:43,306 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 14:11:43,306 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 14:11:43,306 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 14:11:43,306 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 14:11:43,307 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 14:11:43,307 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 14:11:43,307 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 14:11:43,307 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 14:11:43,307 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:11:43,307 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 14:11:43,308 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 14:11:43,308 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 14:11:43,308 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 14:11:43,308 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 14:11:43,308 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 14:11:43,308 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 14:11:43,309 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 14:11:43,309 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 14:11:43,309 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67f91616a04fd34810833b3e688acc6e6795398dee40f60397ae88c5a06b9566 [2024-11-22 14:11:43,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 14:11:43,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 14:11:43,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 14:11:43,534 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 14:11:43,534 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 14:11:43,535 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_byte_buf_harness.i [2024-11-22 14:11:44,787 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 14:11:45,145 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 14:11:45,145 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_byte_buf_harness.i [2024-11-22 14:11:45,183 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01317d2f8/11e5d633d4374895ae2bdcdae81631bb/FLAG8126d8d0a [2024-11-22 14:11:45,197 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01317d2f8/11e5d633d4374895ae2bdcdae81631bb [2024-11-22 14:11:45,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 14:11:45,200 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 14:11:45,207 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 14:11:45,208 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 14:11:45,212 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 14:11:45,213 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:11:45" (1/1) ... [2024-11-22 14:11:45,214 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d81c161 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:45, skipping insertion in model container [2024-11-22 14:11:45,214 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:11:45" (1/1) ... [2024-11-22 14:11:45,312 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 14:11:45,550 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_eq_byte_buf_harness.i[4501,4514] [2024-11-22 14:11:45,555 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_eq_byte_buf_harness.i[4561,4574] [2024-11-22 14:11:45,990 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:45,992 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:45,992 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:45,993 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:45,995 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:46,007 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:46,007 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:46,008 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:46,009 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:46,361 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:46,361 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:46,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:11:46,462 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 14:11:46,473 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_eq_byte_buf_harness.i[4501,4514] [2024-11-22 14:11:46,473 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_eq_byte_buf_harness.i[4561,4574] [2024-11-22 14:11:46,496 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:46,497 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:46,497 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:46,498 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:46,498 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:46,506 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:46,506 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:46,507 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:46,507 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:46,673 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2024-11-22 14:11:46,675 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:46,675 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:11:46,684 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2024-11-22 14:11:46,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:11:46,868 INFO L204 MainTranslator]: Completed translation [2024-11-22 14:11:46,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:46 WrapperNode [2024-11-22 14:11:46,872 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 14:11:46,874 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 14:11:46,874 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 14:11:46,874 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 14:11:46,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:46" (1/1) ... [2024-11-22 14:11:46,948 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:46" (1/1) ... [2024-11-22 14:11:47,013 INFO L138 Inliner]: procedures = 680, calls = 2651, calls flagged for inlining = 65, calls inlined = 11, statements flattened = 947 [2024-11-22 14:11:47,014 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 14:11:47,015 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 14:11:47,015 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 14:11:47,015 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 14:11:47,023 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:46" (1/1) ... [2024-11-22 14:11:47,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:46" (1/1) ... [2024-11-22 14:11:47,035 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:46" (1/1) ... [2024-11-22 14:11:47,101 INFO L175 MemorySlicer]: Split 572 memory accesses to 7 slices as follows [2, 257, 238, 6, 9, 22, 38]. 45 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 0, 6, 0, 5, 2, 8]. The 494 writes are split as follows [0, 257, 232, 2, 0, 1, 2]. [2024-11-22 14:11:47,101 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:46" (1/1) ... [2024-11-22 14:11:47,102 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:46" (1/1) ... [2024-11-22 14:11:47,139 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:46" (1/1) ... [2024-11-22 14:11:47,144 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:46" (1/1) ... [2024-11-22 14:11:47,158 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:46" (1/1) ... [2024-11-22 14:11:47,166 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:46" (1/1) ... [2024-11-22 14:11:47,176 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 14:11:47,177 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 14:11:47,177 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 14:11:47,177 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 14:11:47,177 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:46" (1/1) ... [2024-11-22 14:11:47,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:11:47,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:11:47,206 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) [2024-11-22 14:11:47,208 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 [2024-11-22 14:11:47,241 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-22 14:11:47,243 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-22 14:11:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-22 14:11:47,243 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-22 14:11:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 14:11:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-22 14:11:47,244 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-22 14:11:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 14:11:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 14:11:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 14:11:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 14:11:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 14:11:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-22 14:11:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-22 14:11:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 14:11:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 14:11:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 14:11:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 14:11:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 14:11:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 14:11:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-22 14:11:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 14:11:47,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 14:11:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 14:11:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 14:11:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-22 14:11:47,246 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-22 14:11:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 14:11:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 14:11:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 14:11:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 14:11:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 14:11:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-22 14:11:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-22 14:11:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 14:11:47,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 14:11:47,247 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-22 14:11:47,247 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-22 14:11:47,247 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-22 14:11:47,247 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-22 14:11:47,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 14:11:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 14:11:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 14:11:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 14:11:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 14:11:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-22 14:11:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-22 14:11:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 14:11:47,250 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 14:11:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 14:11:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 14:11:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 14:11:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 14:11:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 14:11:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 14:11:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-22 14:11:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-22 14:11:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-22 14:11:47,252 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-22 14:11:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 14:11:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 14:11:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 14:11:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 14:11:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-22 14:11:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-22 14:11:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-22 14:11:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-22 14:11:47,254 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-22 14:11:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-22 14:11:47,254 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-22 14:11:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 14:11:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 14:11:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 14:11:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 14:11:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 14:11:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 14:11:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-22 14:11:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 14:11:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 14:11:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 14:11:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 14:11:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 14:11:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 14:11:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-22 14:11:47,517 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 14:11:47,521 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 14:11:55,105 INFO L? ?]: Removed 144 outVars from TransFormulas that were not future-live. [2024-11-22 14:11:55,105 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 14:11:55,119 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 14:11:55,119 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 14:11:55,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:11:55 BoogieIcfgContainer [2024-11-22 14:11:55,120 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 14:11:55,121 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 14:11:55,121 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 14:11:55,123 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 14:11:55,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:11:45" (1/3) ... [2024-11-22 14:11:55,124 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13b7b2ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:11:55, skipping insertion in model container [2024-11-22 14:11:55,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:11:46" (2/3) ... [2024-11-22 14:11:55,124 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13b7b2ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:11:55, skipping insertion in model container [2024-11-22 14:11:55,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:11:55" (3/3) ... [2024-11-22 14:11:55,125 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_eq_byte_buf_harness.i [2024-11-22 14:11:55,136 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 14:11:55,137 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 14:11:55,179 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 14:11:55,184 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;@5354936c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 14:11:55,184 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 14:11:55,187 INFO L276 IsEmpty]: Start isEmpty. Operand has 161 states, 106 states have (on average 1.2547169811320755) internal successors, (133), 107 states have internal predecessors, (133), 42 states have call successors, (42), 11 states have call predecessors, (42), 11 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-22 14:11:55,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-22 14:11:55,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:11:55,197 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1] [2024-11-22 14:11:55,198 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:11:55,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:11:55,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1357620753, now seen corresponding path program 1 times [2024-11-22 14:11:55,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:11:55,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656114878] [2024-11-22 14:11:55,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:11:55,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:13:15,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:13:17,337 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-11-22 14:13:17,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:13:17,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656114878] [2024-11-22 14:13:17,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656114878] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:13:17,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292332868] [2024-11-22 14:13:17,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:13:17,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:13:17,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:13:17,341 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) [2024-11-22 14:13:17,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process