./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness_negated.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_buf_eq_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 97f1929f60deed797b33f238413f59b0edc96867527757b3538e00bc90721005 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 14:05:38,344 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 14:05:38,427 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 14:05:38,436 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 14:05:38,436 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 14:05:38,478 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 14:05:38,479 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 14:05:38,479 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 14:05:38,480 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 14:05:38,481 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 14:05:38,481 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 14:05:38,481 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 14:05:38,482 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 14:05:38,484 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 14:05:38,484 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 14:05:38,485 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 14:05:38,485 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 14:05:38,485 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 14:05:38,486 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 14:05:38,486 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 14:05:38,486 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 14:05:38,490 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 14:05:38,490 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 14:05:38,490 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 14:05:38,490 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 14:05:38,490 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 14:05:38,491 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 14:05:38,491 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 14:05:38,491 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 14:05:38,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:05:38,492 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 14:05:38,492 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 14:05:38,492 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 14:05:38,492 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 14:05:38,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 14:05:38,494 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 14:05:38,494 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 14:05:38,495 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 14:05:38,495 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 14:05:38,495 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97f1929f60deed797b33f238413f59b0edc96867527757b3538e00bc90721005 [2024-11-22 14:05:38,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 14:05:38,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 14:05:38,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 14:05:38,779 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 14:05:38,780 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 14:05:38,781 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness_negated.i [2024-11-22 14:05:40,213 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 14:05:40,714 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 14:05:40,715 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness_negated.i [2024-11-22 14:05:40,765 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b47904831/b4e154b349704c2fb3ba46791af218db/FLAGa06a2adbd [2024-11-22 14:05:40,783 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b47904831/b4e154b349704c2fb3ba46791af218db [2024-11-22 14:05:40,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 14:05:40,788 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 14:05:40,792 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 14:05:40,792 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 14:05:40,798 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 14:05:40,799 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:05:40" (1/1) ... [2024-11-22 14:05:40,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de37e96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:40, skipping insertion in model container [2024-11-22 14:05:40,800 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:05:40" (1/1) ... [2024-11-22 14:05:40,905 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 14:05:41,201 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_buf_eq_harness_negated.i[4489,4502] [2024-11-22 14:05:41,216 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_buf_eq_harness_negated.i[4549,4562] [2024-11-22 14:05:42,213 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:42,214 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:42,215 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:42,216 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:42,217 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:42,229 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:42,230 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:42,232 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:42,233 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:43,037 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:43,038 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:43,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:05:43,257 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 14:05:43,275 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_buf_eq_harness_negated.i[4489,4502] [2024-11-22 14:05:43,275 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_buf_eq_harness_negated.i[4549,4562] [2024-11-22 14:05:43,321 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:43,322 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:43,322 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:43,323 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:43,323 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:43,331 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:43,332 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:43,333 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:43,333 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:43,477 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2024-11-22 14:05:43,479 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:43,479 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:43,492 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2024-11-22 14:05:43,516 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:05:43,716 INFO L204 MainTranslator]: Completed translation [2024-11-22 14:05:43,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:43 WrapperNode [2024-11-22 14:05:43,717 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 14:05:43,718 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 14:05:43,719 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 14:05:43,719 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 14:05:43,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:43" (1/1) ... [2024-11-22 14:05:43,808 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:43" (1/1) ... [2024-11-22 14:05:43,900 INFO L138 Inliner]: procedures = 680, calls = 2668, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 902 [2024-11-22 14:05:43,902 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 14:05:43,903 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 14:05:43,903 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 14:05:43,903 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 14:05:43,915 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:43" (1/1) ... [2024-11-22 14:05:43,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:43" (1/1) ... [2024-11-22 14:05:43,935 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:43" (1/1) ... [2024-11-22 14:05:44,082 INFO L175 MemorySlicer]: Split 578 memory accesses to 6 slices as follows [2, 257, 238, 6, 9, 66]. 44 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [2, 0, 6, 0, 5, 16]. The 497 writes are split as follows [0, 257, 232, 2, 0, 6]. [2024-11-22 14:05:44,082 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:43" (1/1) ... [2024-11-22 14:05:44,082 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:43" (1/1) ... [2024-11-22 14:05:44,132 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:43" (1/1) ... [2024-11-22 14:05:44,139 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:43" (1/1) ... [2024-11-22 14:05:44,154 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:43" (1/1) ... [2024-11-22 14:05:44,198 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:43" (1/1) ... [2024-11-22 14:05:44,216 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 14:05:44,221 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 14:05:44,221 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 14:05:44,221 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 14:05:44,222 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:43" (1/1) ... [2024-11-22 14:05:44,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:05:44,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:05:44,267 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 14:05:44,273 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 14:05:44,320 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-22 14:05:44,321 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-22 14:05:44,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 14:05:44,323 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-22 14:05:44,323 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-22 14:05:44,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 14:05:44,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 14:05:44,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 14:05:44,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 14:05:44,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 14:05:44,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-22 14:05:44,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 14:05:44,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 14:05:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 14:05:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 14:05:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 14:05:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 14:05:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 14:05:44,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 14:05:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 14:05:44,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 14:05:44,326 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-22 14:05:44,326 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-22 14:05:44,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 14:05:44,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 14:05:44,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 14:05:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 14:05:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 14:05:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-22 14:05:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-22 14:05:44,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-22 14:05:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 14:05:44,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 14:05:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-22 14:05:44,328 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-22 14:05:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-22 14:05:44,328 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-22 14:05:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 14:05:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 14:05:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 14:05:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 14:05:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 14:05:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-22 14:05:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 14:05:44,330 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 14:05:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 14:05:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 14:05:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 14:05:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 14:05:44,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 14:05:44,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 14:05:44,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-22 14:05:44,331 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-22 14:05:44,332 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-22 14:05:44,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 14:05:44,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 14:05:44,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 14:05:44,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 14:05:44,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-22 14:05:44,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-22 14:05:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-22 14:05:44,333 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-22 14:05:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-22 14:05:44,333 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-22 14:05:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2024-11-22 14:05:44,333 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2024-11-22 14:05:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 14:05:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 14:05:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 14:05:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 14:05:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 14:05:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 14:05:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2024-11-22 14:05:44,335 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2024-11-22 14:05:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 14:05:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 14:05:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 14:05:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 14:05:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 14:05:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 14:05:44,640 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 14:05:44,643 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 14:05:53,489 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2024-11-22 14:05:53,489 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 14:05:53,509 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 14:05:53,509 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 14:05:53,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:05:53 BoogieIcfgContainer [2024-11-22 14:05:53,509 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 14:05:53,514 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 14:05:53,514 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 14:05:53,517 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 14:05:53,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:05:40" (1/3) ... [2024-11-22 14:05:53,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d320a47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:05:53, skipping insertion in model container [2024-11-22 14:05:53,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:43" (2/3) ... [2024-11-22 14:05:53,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d320a47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:05:53, skipping insertion in model container [2024-11-22 14:05:53,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:05:53" (3/3) ... [2024-11-22 14:05:53,522 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_eq_harness_negated.i [2024-11-22 14:05:53,539 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 14:05:53,539 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 14:05:53,621 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 14:05:53,627 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;@1779eb64, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 14:05:53,629 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 14:05:53,634 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 92 states have (on average 1.2282608695652173) internal successors, (113), 93 states have internal predecessors, (113), 46 states have call successors, (46), 13 states have call predecessors, (46), 13 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-22 14:05:53,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-22 14:05:53,652 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:05:53,653 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2024-11-22 14:05:53,654 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:05:53,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:05:53,661 INFO L85 PathProgramCache]: Analyzing trace with hash 379353637, now seen corresponding path program 1 times [2024-11-22 14:05:53,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:05:53,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798358323] [2024-11-22 14:05:53,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:05:53,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:07:12,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:07:13,172 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2024-11-22 14:07:13,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:07:13,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798358323] [2024-11-22 14:07:13,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798358323] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:07:13,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306079982] [2024-11-22 14:07:13,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:07:13,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:07:13,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:07:13,179 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 14:07:13,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process