./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_eq_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d 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_array_eq_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1cc9a06f15f1666f1deffeb56533611390a88fb429fd11073f1d4707f6b65905 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 02:54:08,762 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 02:54:08,838 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 02:54:08,842 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 02:54:08,842 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 02:54:08,861 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 02:54:08,862 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 02:54:08,862 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 02:54:08,863 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 02:54:08,863 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 02:54:08,863 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 02:54:08,864 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 02:54:08,864 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 02:54:08,865 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 02:54:08,865 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 02:54:08,865 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 02:54:08,866 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 02:54:08,866 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 02:54:08,866 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 02:54:08,867 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 02:54:08,867 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 02:54:08,868 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 02:54:08,868 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 02:54:08,868 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 02:54:08,869 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 02:54:08,869 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 02:54:08,869 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 02:54:08,869 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 02:54:08,870 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 02:54:08,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 02:54:08,870 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 02:54:08,871 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 02:54:08,871 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 02:54:08,871 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 02:54:08,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 02:54:08,872 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 02:54:08,872 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 02:54:08,873 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 02:54:08,873 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 02:54:08,873 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cc9a06f15f1666f1deffeb56533611390a88fb429fd11073f1d4707f6b65905 [2024-11-09 02:54:09,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 02:54:09,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 02:54:09,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 02:54:09,163 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 02:54:09,163 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 02:54:09,165 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_eq_harness_negated.i [2024-11-09 02:54:10,644 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 02:54:11,120 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 02:54:11,122 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_eq_harness_negated.i [2024-11-09 02:54:11,163 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5156e8f60/9e26511f85da414c9e425a5d5f6e3183/FLAGc2ea1df04 [2024-11-09 02:54:11,220 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5156e8f60/9e26511f85da414c9e425a5d5f6e3183 [2024-11-09 02:54:11,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 02:54:11,226 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 02:54:11,228 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 02:54:11,228 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 02:54:11,232 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 02:54:11,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:54:11" (1/1) ... [2024-11-09 02:54:11,233 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64844502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:54:11, skipping insertion in model container [2024-11-09 02:54:11,233 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:54:11" (1/1) ... [2024-11-09 02:54:11,344 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 02:54:11,643 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_array_eq_harness_negated.i[4486,4499] [2024-11-09 02:54:11,654 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_array_eq_harness_negated.i[4546,4559] [2024-11-09 02:54:12,512 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:12,513 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:12,514 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:12,514 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:12,515 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:12,529 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:12,530 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:12,532 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:12,533 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:13,110 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:13,110 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:13,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 02:54:13,340 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 02:54:13,369 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_array_eq_harness_negated.i[4486,4499] [2024-11-09 02:54:13,370 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_array_eq_harness_negated.i[4546,4559] [2024-11-09 02:54:13,403 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:13,403 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:13,404 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:13,404 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:13,408 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:13,436 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:13,437 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:13,438 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:13,438 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:13,588 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2024-11-09 02:54:13,590 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:13,591 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:54:13,606 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2024-11-09 02:54:13,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 02:54:13,878 INFO L204 MainTranslator]: Completed translation [2024-11-09 02:54:13,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:54:13 WrapperNode [2024-11-09 02:54:13,879 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 02:54:13,879 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 02:54:13,880 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 02:54:13,880 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 02:54:13,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:54:13" (1/1) ... [2024-11-09 02:54:13,997 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:54:13" (1/1) ... [2024-11-09 02:54:14,091 INFO L138 Inliner]: procedures = 680, calls = 2610, calls flagged for inlining = 59, calls inlined = 5, statements flattened = 791 [2024-11-09 02:54:14,091 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 02:54:14,093 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 02:54:14,093 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 02:54:14,093 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 02:54:14,104 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:54:13" (1/1) ... [2024-11-09 02:54:14,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:54:13" (1/1) ... [2024-11-09 02:54:14,122 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:54:13" (1/1) ... [2024-11-09 02:54:14,210 INFO L175 MemorySlicer]: Split 512 memory accesses to 6 slices as follows [2, 257, 238, 4, 6, 5]. 50 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 0, 6, 0, 0, 5]. The 491 writes are split as follows [0, 257, 232, 0, 2, 0]. [2024-11-09 02:54:14,211 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:54:13" (1/1) ... [2024-11-09 02:54:14,211 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:54:13" (1/1) ... [2024-11-09 02:54:14,242 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:54:13" (1/1) ... [2024-11-09 02:54:14,245 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:54:13" (1/1) ... [2024-11-09 02:54:14,253 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:54:13" (1/1) ... [2024-11-09 02:54:14,258 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:54:13" (1/1) ... [2024-11-09 02:54:14,268 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 02:54:14,275 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 02:54:14,275 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 02:54:14,276 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 02:54:14,277 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:54:13" (1/1) ... [2024-11-09 02:54:14,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 02:54:14,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:54:14,317 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) [2024-11-09 02:54:14,326 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 [2024-11-09 02:54:14,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 02:54:14,379 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 02:54:14,380 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 02:54:14,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 02:54:14,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 02:54:14,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 02:54:14,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 02:54:14,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 02:54:14,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 02:54:14,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 02:54:14,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 02:54:14,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 02:54:14,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 02:54:14,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 02:54:14,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 02:54:14,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 02:54:14,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 02:54:14,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 02:54:14,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 02:54:14,383 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-09 02:54:14,383 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-09 02:54:14,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 02:54:14,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 02:54:14,383 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 02:54:14,384 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 02:54:14,384 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-09 02:54:14,384 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-09 02:54:14,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 02:54:14,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 02:54:14,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 02:54:14,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 02:54:14,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 02:54:14,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 02:54:14,385 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-09 02:54:14,385 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-09 02:54:14,386 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 02:54:14,386 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 02:54:14,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 02:54:14,386 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-09 02:54:14,386 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-09 02:54:14,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 02:54:14,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 02:54:14,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 02:54:14,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 02:54:14,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 02:54:14,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 02:54:14,387 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 02:54:14,387 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 02:54:14,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 02:54:14,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 02:54:14,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 02:54:14,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 02:54:14,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 02:54:14,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 02:54:14,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 02:54:14,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 02:54:14,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 02:54:14,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 02:54:14,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 02:54:14,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 02:54:14,714 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 02:54:14,717 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 02:54:23,049 INFO L? ?]: Removed 57 outVars from TransFormulas that were not future-live. [2024-11-09 02:54:23,049 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 02:54:23,062 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 02:54:23,062 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 02:54:23,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:54:23 BoogieIcfgContainer [2024-11-09 02:54:23,063 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 02:54:23,065 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 02:54:23,065 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 02:54:23,069 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 02:54:23,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 02:54:11" (1/3) ... [2024-11-09 02:54:23,070 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c25d01d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:54:23, skipping insertion in model container [2024-11-09 02:54:23,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:54:13" (2/3) ... [2024-11-09 02:54:23,070 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c25d01d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:54:23, skipping insertion in model container [2024-11-09 02:54:23,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:54:23" (3/3) ... [2024-11-09 02:54:23,071 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_eq_harness_negated.i [2024-11-09 02:54:23,088 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 02:54:23,088 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 02:54:23,156 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 02:54:23,162 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;@12a249f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 02:54:23,162 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 02:54:23,166 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 52 states have (on average 1.2692307692307692) internal successors, (66), 55 states have internal predecessors, (66), 24 states have call successors, (24), 9 states have call predecessors, (24), 9 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-09 02:54:23,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 02:54:23,174 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:54:23,175 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-09 02:54:23,175 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:54:23,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:54:23,180 INFO L85 PathProgramCache]: Analyzing trace with hash 873465649, now seen corresponding path program 1 times [2024-11-09 02:54:23,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:54:23,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608224721] [2024-11-09 02:54:23,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:54:23,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:55:43,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:44,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:55:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:44,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 02:55:44,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:44,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:55:44,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:44,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 02:55:44,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:44,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 02:55:44,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:44,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 02:55:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:44,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:55:44,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:44,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 02:55:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:44,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 02:55:44,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:44,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:55:44,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:44,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 02:55:44,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:55:44,564 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-09 02:55:44,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:55:44,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608224721] [2024-11-09 02:55:44,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608224721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:55:44,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:55:44,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 02:55:44,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8733849] [2024-11-09 02:55:44,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:55:44,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 02:55:44,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:55:44,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 02:55:44,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 02:55:44,607 INFO L87 Difference]: Start difference. First operand has 87 states, 52 states have (on average 1.2692307692307692) internal successors, (66), 55 states have internal predecessors, (66), 24 states have call successors, (24), 9 states have call predecessors, (24), 9 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-09 02:55:48,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []