./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_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_byte_buf_eq_c_str_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 885bac69872c2b34c2b244d1618f4ab60115ba2f5fec2456cdf32ad6a7277fb1 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:05:51,347 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:05:51,403 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:05:51,406 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:05:51,408 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:05:51,439 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:05:51,441 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:05:51,441 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:05:51,442 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:05:51,443 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:05:51,443 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:05:51,443 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:05:51,444 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:05:51,444 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:05:51,444 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:05:51,447 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:05:51,447 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:05:51,447 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:05:51,447 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:05:51,448 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:05:51,448 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:05:51,448 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:05:51,448 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:05:51,449 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:05:51,449 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:05:51,449 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:05:51,449 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:05:51,451 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:05:51,451 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:05:51,451 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:05:51,451 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:05:51,451 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:05:51,465 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:05:51,465 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:05:51,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:05:51,466 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:05:51,466 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:05:51,466 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:05:51,466 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:05:51,466 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 885bac69872c2b34c2b244d1618f4ab60115ba2f5fec2456cdf32ad6a7277fb1 [2024-11-19 02:05:51,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:05:51,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:05:51,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:05:51,666 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:05:51,667 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:05:51,668 INFO L431 ainManager$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_negated.i [2024-11-19 02:05:52,937 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:05:53,311 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:05:53,312 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness_negated.i [2024-11-19 02:05:53,341 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40582181d/b527c72704e6464799145459c583cf69/FLAGfc8c2754c [2024-11-19 02:05:53,498 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40582181d/b527c72704e6464799145459c583cf69 [2024-11-19 02:05:53,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:05:53,502 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:05:53,503 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:05:53,503 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:05:53,509 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:05:53,510 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:05:53" (1/1) ... [2024-11-19 02:05:53,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@175a5af4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:53, skipping insertion in model container [2024-11-19 02:05:53,511 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:05:53" (1/1) ... [2024-11-19 02:05:53,608 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:05:53,820 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_negated.i[4495,4508] [2024-11-19 02:05:53,827 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_negated.i[4555,4568] [2024-11-19 02:05:54,310 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:54,311 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:54,311 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:54,312 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:54,313 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:54,322 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:54,323 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:54,324 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:54,325 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:54,715 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:54,716 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:54,775 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:05:54,891 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:05:54,914 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_negated.i[4495,4508] [2024-11-19 02:05:54,916 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_negated.i[4555,4568] [2024-11-19 02:05:54,952 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:54,952 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:54,953 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:54,953 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:54,954 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:54,960 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:54,963 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:54,963 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:54,964 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:55,049 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2024-11-19 02:05:55,051 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:55,051 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:05:55,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2024-11-19 02:05:55,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:05:55,296 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:05:55,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:55 WrapperNode [2024-11-19 02:05:55,297 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:05:55,298 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:05:55,298 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:05:55,299 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:05:55,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:55" (1/1) ... [2024-11-19 02:05:55,377 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:55" (1/1) ... [2024-11-19 02:05:55,456 INFO L138 Inliner]: procedures = 680, calls = 2633, calls flagged for inlining = 64, calls inlined = 10, statements flattened = 902 [2024-11-19 02:05:55,457 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:05:55,457 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:05:55,458 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:05:55,458 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:05:55,467 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:55" (1/1) ... [2024-11-19 02:05:55,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:55" (1/1) ... [2024-11-19 02:05:55,474 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:55" (1/1) ... [2024-11-19 02:05:55,527 INFO L175 MemorySlicer]: Split 556 memory accesses to 6 slices as follows [257, 2, 238, 40, 6, 13]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [0, 2, 6, 8, 0, 5]. The 493 writes are split as follows [257, 0, 232, 2, 2, 0]. [2024-11-19 02:05:55,528 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:55" (1/1) ... [2024-11-19 02:05:55,528 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:55" (1/1) ... [2024-11-19 02:05:55,553 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:55" (1/1) ... [2024-11-19 02:05:55,558 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:55" (1/1) ... [2024-11-19 02:05:55,571 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:55" (1/1) ... [2024-11-19 02:05:55,577 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:55" (1/1) ... [2024-11-19 02:05:55,589 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:05:55,590 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:05:55,590 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:05:55,590 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:05:55,591 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:55" (1/1) ... [2024-11-19 02:05:55,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:05:55,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:05:55,623 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 02:05:55,625 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 02:05:55,664 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq_c_str [2024-11-19 02:05:55,665 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq_c_str [2024-11-19 02:05:55,665 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-19 02:05:55,666 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-19 02:05:55,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:05:55,666 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:05:55,666 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:05:55,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:05:55,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:05:55,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:05:55,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:05:55,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:05:55,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 02:05:55,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:05:55,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:05:55,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:05:55,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:05:55,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:05:55,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 02:05:55,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:05:55,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:05:55,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:05:55,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:05:55,668 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-19 02:05:55,668 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-19 02:05:55,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:05:55,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:05:55,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:05:55,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:05:55,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:05:55,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 02:05:55,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:05:55,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:05:55,669 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:05:55,669 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:05:55,669 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-19 02:05:55,669 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-19 02:05:55,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:05:55,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:05:55,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:05:55,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:05:55,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:05:55,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 02:05:55,670 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:05:55,670 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:05:55,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:05:55,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:05:55,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:05:55,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:05:55,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:05:55,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:05:55,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 02:05:55,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:05:55,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:05:55,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:05:55,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:05:55,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:05:55,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 02:05:55,671 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-19 02:05:55,673 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-19 02:05:55,673 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-19 02:05:55,673 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-19 02:05:55,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:05:55,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:05:55,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:05:55,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:05:55,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:05:55,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 02:05:55,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:05:55,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:05:55,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:05:55,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:05:55,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:05:55,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 02:05:55,936 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:05:55,939 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:06:03,458 INFO L? ?]: Removed 120 outVars from TransFormulas that were not future-live. [2024-11-19 02:06:03,458 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:06:03,470 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:06:03,471 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 02:06:03,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:06:03 BoogieIcfgContainer [2024-11-19 02:06:03,472 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:06:03,474 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:06:03,475 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:06:03,477 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:06:03,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:05:53" (1/3) ... [2024-11-19 02:06:03,478 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@408747ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:06:03, skipping insertion in model container [2024-11-19 02:06:03,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:05:55" (2/3) ... [2024-11-19 02:06:03,479 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@408747ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:06:03, skipping insertion in model container [2024-11-19 02:06:03,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:06:03" (3/3) ... [2024-11-19 02:06:03,481 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_eq_c_str_harness_negated.i [2024-11-19 02:06:03,493 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:06:03,494 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:06:03,551 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:06:03,556 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;@7831ac72, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:06:03,557 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:06:03,561 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 02:06:03,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-19 02:06:03,574 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:06:03,575 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 02:06:03,575 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:06:03,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:06:03,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1835431672, now seen corresponding path program 1 times [2024-11-19 02:06:03,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:06:03,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544238333] [2024-11-19 02:06:03,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:06:03,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:07:22,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:07:23,342 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 02:07:23,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:07:23,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544238333] [2024-11-19 02:07:23,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544238333] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:07:23,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1335714125] [2024-11-19 02:07:23,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:07:23,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:07:23,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:07:23,347 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 02:07:23,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process