./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_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 9e4ccc391c063e90fb229c8b3638d2f1089d6ba2ff288522cf06bf650b1be9e5 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:05:27,880 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:05:27,957 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:05:27,963 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:05:27,966 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:05:27,991 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:05:27,991 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:05:27,992 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:05:27,992 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:05:27,992 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:05:27,993 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:05:27,993 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:05:27,994 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:05:27,994 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:05:27,994 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:05:27,995 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:05:27,995 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:05:27,996 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:05:27,996 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:05:27,996 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:05:27,997 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:05:28,000 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:05:28,000 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:05:28,000 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:05:28,001 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:05:28,001 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:05:28,001 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:05:28,001 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:05:28,001 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:05:28,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:05:28,002 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:05:28,002 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:05:28,002 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:05:28,002 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:05:28,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:05:28,002 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:05:28,003 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:05:28,003 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:05:28,003 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:05:28,003 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e4ccc391c063e90fb229c8b3638d2f1089d6ba2ff288522cf06bf650b1be9e5 [2024-11-19 02:05:28,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:05:28,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:05:28,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:05:28,239 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:05:28,239 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:05:28,240 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness.i [2024-11-19 02:05:29,685 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:05:30,120 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:05:30,121 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness.i [2024-11-19 02:05:30,160 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fcabf5f3/a183f08571be481590590593d3a1089b/FLAG99dfe4ec0 [2024-11-19 02:05:30,184 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fcabf5f3/a183f08571be481590590593d3a1089b [2024-11-19 02:05:30,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:05:30,187 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:05:30,188 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:05:30,188 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:05:30,193 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:05:30,194 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:05:30" (1/1) ... [2024-11-19 02:05:30,195 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eba2574 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:30, skipping insertion in model container [2024-11-19 02:05:30,195 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:05:30" (1/1) ... [2024-11-19 02:05:30,347 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:05:30,590 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_c_str_harness.i[4495,4508] [2024-11-19 02:05:30,600 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_c_str_harness.i[4555,4568] [2024-11-19 02:05:31,197 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:31,198 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:31,199 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:31,199 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:31,201 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:31,218 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:31,220 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:31,222 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:31,222 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:31,616 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:31,617 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:31,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:05:31,729 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:05:31,740 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_c_str_harness.i[4495,4508] [2024-11-19 02:05:31,740 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_c_str_harness.i[4555,4568] [2024-11-19 02:05:31,768 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:31,770 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:31,770 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:31,771 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:31,771 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:31,778 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:31,778 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:31,779 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:31,779 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:31,876 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2024-11-19 02:05:31,878 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:31,879 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:31,888 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2024-11-19 02:05:31,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:05:32,255 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:05:32,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:32 WrapperNode [2024-11-19 02:05:32,256 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:05:32,257 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:05:32,257 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:05:32,258 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:05:32,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:32" (1/1) ... [2024-11-19 02:05:32,341 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:32" (1/1) ... [2024-11-19 02:05:32,408 INFO L138 Inliner]: procedures = 680, calls = 2633, calls flagged for inlining = 64, calls inlined = 10, statements flattened = 902 [2024-11-19 02:05:32,408 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:05:32,409 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:05:32,409 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:05:32,409 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:05:32,422 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:32" (1/1) ... [2024-11-19 02:05:32,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:32" (1/1) ... [2024-11-19 02:05:32,431 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:32" (1/1) ... [2024-11-19 02:05:32,498 INFO L175 MemorySlicer]: Split 556 memory accesses to 6 slices as follows [257, 2, 6, 238, 13, 40]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [0, 2, 0, 6, 5, 8]. The 493 writes are split as follows [257, 0, 2, 232, 0, 2]. [2024-11-19 02:05:32,498 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:32" (1/1) ... [2024-11-19 02:05:32,498 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:32" (1/1) ... [2024-11-19 02:05:32,540 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:32" (1/1) ... [2024-11-19 02:05:32,547 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:32" (1/1) ... [2024-11-19 02:05:32,560 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:32" (1/1) ... [2024-11-19 02:05:32,573 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:32" (1/1) ... [2024-11-19 02:05:32,590 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:05:32,593 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:05:32,594 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:05:32,594 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:05:32,595 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:32" (1/1) ... [2024-11-19 02:05:32,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:05:32,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:05:32,625 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 02:05:32,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 02:05:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq_c_str [2024-11-19 02:05:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq_c_str [2024-11-19 02:05:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-19 02:05:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-19 02:05:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:05:32,662 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:05:32,662 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:05:32,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:05:32,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:05:32,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:05:32,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:05:32,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:05:32,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 02:05:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:05:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:05:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:05:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:05:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:05:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 02:05:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:05:32,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:05:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:05:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:05:32,664 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-19 02:05:32,664 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-19 02:05:32,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:05:32,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:05:32,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:05:32,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:05:32,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:05:32,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 02:05:32,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:05:32,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:05:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:05:32,665 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:05:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-19 02:05:32,665 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-19 02:05:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:05:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:05:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:05:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:05:32,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:05:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 02:05:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:05:32,666 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:05:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:05:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:05:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:05:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:05:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:05:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:05:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 02:05:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:05:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:05:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:05:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:05:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:05:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 02:05:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-19 02:05:32,667 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-19 02:05:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-19 02:05:32,668 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-19 02:05:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:05:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:05:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:05:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:05:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:05:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 02:05:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:05:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:05:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:05:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:05:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:05:32,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 02:05:32,922 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:05:32,925 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:05:40,745 INFO L? ?]: Removed 120 outVars from TransFormulas that were not future-live. [2024-11-19 02:05:40,745 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:05:40,756 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:05:40,756 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 02:05:40,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:05:40 BoogieIcfgContainer [2024-11-19 02:05:40,756 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:05:40,758 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:05:40,758 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:05:40,760 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:05:40,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:05:30" (1/3) ... [2024-11-19 02:05:40,761 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ecc0176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:05:40, skipping insertion in model container [2024-11-19 02:05:40,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:32" (2/3) ... [2024-11-19 02:05:40,761 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ecc0176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:05:40, skipping insertion in model container [2024-11-19 02:05:40,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:05:40" (3/3) ... [2024-11-19 02:05:40,765 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_eq_c_str_harness.i [2024-11-19 02:05:40,786 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:05:40,786 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:05:40,835 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:05:40,840 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;@3f8bff62, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:05:40,840 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:05:40,844 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 92 states have (on average 1.25) internal successors, (115), 94 states have internal predecessors, (115), 36 states have call successors, (36), 10 states have call predecessors, (36), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-19 02:05:40,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-19 02:05:40,853 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:05:40,854 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 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] [2024-11-19 02:05:40,854 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:05:40,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:05:40,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1835431672, now seen corresponding path program 1 times [2024-11-19 02:05:40,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:05:40,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361992090] [2024-11-19 02:05:40,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:05:40,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:07:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:07:02,249 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-19 02:07:02,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:07:02,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361992090] [2024-11-19 02:07:02,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361992090] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:07:02,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [373234350] [2024-11-19 02:07:02,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:07:02,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:07:02,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:07:02,256 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 02:07:02,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process