./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_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_string_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 69a4e17497471d2fff231bad199d28dc26e616d1fdaf7fc57a8b45b8dfdd40ce --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:25:46,943 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:25:46,996 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:25:47,000 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:25:47,000 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:25:47,026 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:25:47,027 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:25:47,027 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:25:47,027 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:25:47,028 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:25:47,028 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:25:47,028 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:25:47,029 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:25:47,029 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:25:47,030 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:25:47,030 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:25:47,031 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:25:47,031 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:25:47,031 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:25:47,032 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:25:47,032 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:25:47,032 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:25:47,033 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:25:47,033 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:25:47,034 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:25:47,034 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:25:47,034 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:25:47,034 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:25:47,035 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:25:47,035 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:25:47,035 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:25:47,036 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:25:47,036 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:25:47,036 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:25:47,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:25:47,037 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:25:47,037 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:25:47,037 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:25:47,037 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:25:47,038 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69a4e17497471d2fff231bad199d28dc26e616d1fdaf7fc57a8b45b8dfdd40ce [2024-11-19 02:25:47,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:25:47,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:25:47,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:25:47,350 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:25:47,350 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:25:47,351 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness.i [2024-11-19 02:25:48,784 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:25:49,239 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:25:49,241 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness.i [2024-11-19 02:25:49,283 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73e81e101/3d6db72fc13842ef9bf49c7d533b4f48/FLAG02a4414af [2024-11-19 02:25:49,299 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73e81e101/3d6db72fc13842ef9bf49c7d533b4f48 [2024-11-19 02:25:49,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:25:49,305 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:25:49,308 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:25:49,308 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:25:49,314 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:25:49,315 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:25:49" (1/1) ... [2024-11-19 02:25:49,318 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48149f52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:49, skipping insertion in model container [2024-11-19 02:25:49,318 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:25:49" (1/1) ... [2024-11-19 02:25:49,433 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:25:49,739 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_string_eq_byte_buf_harness.i[4496,4509] [2024-11-19 02:25:49,749 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_string_eq_byte_buf_harness.i[4556,4569] [2024-11-19 02:25:50,370 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:50,371 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:50,372 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:50,372 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:50,377 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:50,400 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:50,401 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:50,403 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:50,403 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:51,042 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:51,043 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:51,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:25:51,301 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:25:51,332 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_string_eq_byte_buf_harness.i[4496,4509] [2024-11-19 02:25:51,333 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_string_eq_byte_buf_harness.i[4556,4569] [2024-11-19 02:25:51,412 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:51,413 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:51,413 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:51,414 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:51,414 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:51,419 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:51,419 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:51,420 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:51,421 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:51,531 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8253] [2024-11-19 02:25:51,533 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:51,534 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:51,546 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8739-8750] [2024-11-19 02:25:51,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:25:51,817 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:25:51,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:51 WrapperNode [2024-11-19 02:25:51,818 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:25:51,819 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:25:51,819 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:25:51,819 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:25:51,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:51" (1/1) ... [2024-11-19 02:25:51,940 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:51" (1/1) ... [2024-11-19 02:25:52,021 INFO L138 Inliner]: procedures = 682, calls = 2798, calls flagged for inlining = 61, calls inlined = 8, statements flattened = 891 [2024-11-19 02:25:52,022 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:25:52,022 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:25:52,022 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:25:52,022 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:25:52,034 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:51" (1/1) ... [2024-11-19 02:25:52,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:51" (1/1) ... [2024-11-19 02:25:52,046 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:51" (1/1) ... [2024-11-19 02:25:52,140 INFO L175 MemorySlicer]: Split 549 memory accesses to 6 slices as follows [2, 257, 238, 16, 20, 16]. 47 percent of accesses are in the largest equivalence class. The 33 initializations are split as follows [2, 0, 6, 16, 4, 5]. The 494 writes are split as follows [0, 257, 232, 0, 2, 3]. [2024-11-19 02:25:52,140 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:51" (1/1) ... [2024-11-19 02:25:52,141 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:51" (1/1) ... [2024-11-19 02:25:52,187 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:51" (1/1) ... [2024-11-19 02:25:52,191 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:51" (1/1) ... [2024-11-19 02:25:52,205 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:51" (1/1) ... [2024-11-19 02:25:52,217 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:51" (1/1) ... [2024-11-19 02:25:52,231 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:25:52,232 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:25:52,233 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:25:52,233 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:25:52,234 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:51" (1/1) ... [2024-11-19 02:25:52,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:25:52,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:25:52,272 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 02:25:52,277 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 02:25:52,325 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-19 02:25:52,326 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-19 02:25:52,327 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-19 02:25:52,327 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-19 02:25:52,327 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-19 02:25:52,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-19 02:25:52,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:25:52,328 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:25:52,329 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:25:52,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:25:52,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:25:52,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:25:52,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:25:52,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:25:52,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 02:25:52,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:25:52,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:25:52,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:25:52,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:25:52,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:25:52,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 02:25:52,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:25:52,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:25:52,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:25:52,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:25:52,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:25:52,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:25:52,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:25:52,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:25:52,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:25:52,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 02:25:52,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:25:52,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:25:52,333 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:25:52,333 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:25:52,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:25:52,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:25:52,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:25:52,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:25:52,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:25:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 02:25:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:25:52,335 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:25:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:25:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:25:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:25:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:25:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:25:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:25:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 02:25:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-19 02:25:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-19 02:25:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:25:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:25:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:25:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:25:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:25:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 02:25:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-19 02:25:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-19 02:25:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-19 02:25:52,338 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-19 02:25:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:25:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:25:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:25:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:25:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:25:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 02:25:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:25:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:25:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:25:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:25:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:25:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 02:25:52,662 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:25:52,664 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:26:00,496 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2024-11-19 02:26:00,496 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:26:00,512 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:26:00,512 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 02:26:00,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:26:00 BoogieIcfgContainer [2024-11-19 02:26:00,513 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:26:00,517 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:26:00,517 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:26:00,520 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:26:00,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:25:49" (1/3) ... [2024-11-19 02:26:00,521 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b48769e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:26:00, skipping insertion in model container [2024-11-19 02:26:00,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:51" (2/3) ... [2024-11-19 02:26:00,521 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b48769e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:26:00, skipping insertion in model container [2024-11-19 02:26:00,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:26:00" (3/3) ... [2024-11-19 02:26:00,523 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_eq_byte_buf_harness.i [2024-11-19 02:26:00,540 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:26:00,540 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:26:00,614 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:26:00,621 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;@7cf8b16, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:26:00,622 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:26:00,627 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 87 states have (on average 1.264367816091954) internal successors, (110), 88 states have internal predecessors, (110), 31 states have call successors, (31), 10 states have call predecessors, (31), 10 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-19 02:26:00,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-19 02:26:00,639 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:26:00,640 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 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 02:26:00,640 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:26:00,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:26:00,646 INFO L85 PathProgramCache]: Analyzing trace with hash -312571678, now seen corresponding path program 1 times [2024-11-19 02:26:00,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:26:00,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76755481] [2024-11-19 02:26:00,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:26:00,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:27:16,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:27:17,618 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-19 02:27:17,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:27:17,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76755481] [2024-11-19 02:27:17,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76755481] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:27:17,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1267678468] [2024-11-19 02:27:17,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:27:17,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:27:17,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:27:17,623 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 02:27:17,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process