./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness_negated.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_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 c974750d72dbbdcad43b6c780cc7a00626a484b6d2da67e96b9032eaa6e0f23d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:25:48,927 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:25:49,010 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:25:49,017 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:25:49,019 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:25:49,051 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:25:49,053 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:25:49,053 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:25:49,054 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:25:49,054 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:25:49,055 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:25:49,055 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:25:49,056 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:25:49,058 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:25:49,058 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:25:49,059 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:25:49,059 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:25:49,059 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:25:49,059 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:25:49,060 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:25:49,060 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:25:49,064 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:25:49,064 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:25:49,065 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:25:49,065 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:25:49,065 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:25:49,065 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:25:49,066 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:25:49,066 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:25:49,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:25:49,066 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:25:49,067 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:25:49,067 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:25:49,067 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:25:49,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:25:49,067 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:25:49,068 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:25:49,068 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:25:49,068 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:25:49,070 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c974750d72dbbdcad43b6c780cc7a00626a484b6d2da67e96b9032eaa6e0f23d [2024-11-19 02:25:49,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:25:49,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:25:49,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:25:49,363 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:25:49,364 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:25:49,365 INFO L431 ainManager$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_negated.i [2024-11-19 02:25:50,819 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:25:51,259 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:25:51,260 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness_negated.i [2024-11-19 02:25:51,298 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e61a89afc/cc6162bbb6384c429e951b12f8e8935e/FLAG7a7b11ea9 [2024-11-19 02:25:51,379 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e61a89afc/cc6162bbb6384c429e951b12f8e8935e [2024-11-19 02:25:51,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:25:51,382 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:25:51,386 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:25:51,386 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:25:51,392 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:25:51,392 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:25:51" (1/1) ... [2024-11-19 02:25:51,395 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38c42704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:51, skipping insertion in model container [2024-11-19 02:25:51,395 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:25:51" (1/1) ... [2024-11-19 02:25:51,509 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:25:51,871 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_negated.i[4496,4509] [2024-11-19 02:25:51,880 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_negated.i[4556,4569] [2024-11-19 02:25:52,589 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:52,590 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:52,591 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:52,593 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:52,593 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:52,610 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:52,613 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:52,614 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:52,618 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:53,102 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:53,103 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:53,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:25:53,247 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:25:53,264 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_negated.i[4496,4509] [2024-11-19 02:25:53,268 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_negated.i[4556,4569] [2024-11-19 02:25:53,382 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:53,383 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:53,383 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:53,384 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:53,385 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:53,394 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:53,394 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:53,397 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:53,398 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:53,512 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8221] [2024-11-19 02:25:53,514 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:53,514 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:53,528 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8707-8718] [2024-11-19 02:25:53,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:25:53,774 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:25:53,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:53 WrapperNode [2024-11-19 02:25:53,775 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:25:53,776 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:25:53,776 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:25:53,776 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:25:53,787 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:53" (1/1) ... [2024-11-19 02:25:53,948 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:53" (1/1) ... [2024-11-19 02:25:54,046 INFO L138 Inliner]: procedures = 682, calls = 2798, calls flagged for inlining = 61, calls inlined = 8, statements flattened = 891 [2024-11-19 02:25:54,047 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:25:54,047 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:25:54,047 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:25:54,048 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:25:54,059 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:53" (1/1) ... [2024-11-19 02:25:54,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:53" (1/1) ... [2024-11-19 02:25:54,071 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:53" (1/1) ... [2024-11-19 02:25:54,157 INFO L175 MemorySlicer]: Split 549 memory accesses to 6 slices as follows [2, 20, 16, 257, 238, 16]. 47 percent of accesses are in the largest equivalence class. The 33 initializations are split as follows [2, 4, 5, 0, 6, 16]. The 494 writes are split as follows [0, 2, 3, 257, 232, 0]. [2024-11-19 02:25:54,158 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:53" (1/1) ... [2024-11-19 02:25:54,158 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:53" (1/1) ... [2024-11-19 02:25:54,195 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:53" (1/1) ... [2024-11-19 02:25:54,203 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:53" (1/1) ... [2024-11-19 02:25:54,219 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:53" (1/1) ... [2024-11-19 02:25:54,225 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:53" (1/1) ... [2024-11-19 02:25:54,236 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:25:54,239 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:25:54,239 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:25:54,239 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:25:54,240 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:53" (1/1) ... [2024-11-19 02:25:54,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:25:54,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:25:54,275 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 02:25:54,281 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 02:25:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-19 02:25:54,325 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-19 02:25:54,326 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-19 02:25:54,326 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-19 02:25:54,326 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-19 02:25:54,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-19 02:25:54,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:25:54,326 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:25:54,329 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:25:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:25:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:25:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:25:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:25:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:25:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 02:25:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:25:54,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:25:54,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:25:54,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:25:54,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:25:54,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 02:25:54,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:25:54,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:25:54,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:25:54,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:25:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:25:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:25:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:25:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:25:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:25:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 02:25:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:25:54,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:25:54,332 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:25:54,332 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:25:54,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:25:54,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:25:54,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:25:54,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:25:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:25:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 02:25:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:25:54,333 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:25:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:25:54,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:25:54,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:25:54,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:25:54,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:25:54,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:25:54,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 02:25:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-19 02:25:54,335 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-19 02:25:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:25:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:25:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:25:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:25:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:25:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 02:25:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-19 02:25:54,336 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-19 02:25:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-19 02:25:54,336 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-19 02:25:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:25:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:25:54,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:25:54,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:25:54,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:25:54,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 02:25:54,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:25:54,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:25:54,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:25:54,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:25:54,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:25:54,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 02:25:54,692 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:25:54,693 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:26:02,646 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2024-11-19 02:26:02,646 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:26:02,663 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:26:02,663 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 02:26:02,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:26:02 BoogieIcfgContainer [2024-11-19 02:26:02,664 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:26:02,668 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:26:02,668 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:26:02,671 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:26:02,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:25:51" (1/3) ... [2024-11-19 02:26:02,672 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4848e0b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:26:02, skipping insertion in model container [2024-11-19 02:26:02,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:53" (2/3) ... [2024-11-19 02:26:02,673 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4848e0b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:26:02, skipping insertion in model container [2024-11-19 02:26:02,674 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:26:02" (3/3) ... [2024-11-19 02:26:02,675 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_eq_byte_buf_harness_negated.i [2024-11-19 02:26:02,692 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:26:02,692 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:26:02,758 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:26:02,764 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;@454ee019, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:26:02,764 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:26:02,770 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 02:26:02,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-19 02:26:02,782 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:26:02,783 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 02:26:02,783 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:26:02,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:26:02,788 INFO L85 PathProgramCache]: Analyzing trace with hash -312571678, now seen corresponding path program 1 times [2024-11-19 02:26:02,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:26:02,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276592841] [2024-11-19 02:26:02,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:26:02,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:27:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:27:17,023 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 02:27:17,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:27:17,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276592841] [2024-11-19 02:27:17,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276592841] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:27:17,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72592301] [2024-11-19 02:27:17,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:27:17,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:27:17,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:27:17,027 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 02:27:17,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process