./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.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_list_get_at_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 077859a827b9835fc70ffe4bef1d8360e024e130f860bf1f8321474f6266da95 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 02:57:10,289 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 02:57:10,388 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 02:57:10,395 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 02:57:10,397 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 02:57:10,431 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 02:57:10,432 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 02:57:10,433 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 02:57:10,435 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 02:57:10,436 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 02:57:10,436 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 02:57:10,436 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 02:57:10,437 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 02:57:10,437 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 02:57:10,438 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 02:57:10,438 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 02:57:10,439 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 02:57:10,439 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 02:57:10,442 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 02:57:10,442 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 02:57:10,446 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 02:57:10,447 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 02:57:10,447 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 02:57:10,447 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 02:57:10,447 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 02:57:10,448 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 02:57:10,448 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 02:57:10,448 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 02:57:10,448 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 02:57:10,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 02:57:10,449 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 02:57:10,449 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 02:57:10,449 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 02:57:10,449 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 02:57:10,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 02:57:10,450 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 02:57:10,452 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 02:57:10,453 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 02:57:10,453 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 02:57:10,453 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 077859a827b9835fc70ffe4bef1d8360e024e130f860bf1f8321474f6266da95 [2024-11-09 02:57:10,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 02:57:10,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 02:57:10,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 02:57:10,793 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 02:57:10,794 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 02:57:10,795 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i [2024-11-09 02:57:12,481 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 02:57:13,062 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 02:57:13,063 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i [2024-11-09 02:57:13,102 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34cabdbd0/7201501cd9ab4c6d8785900d1df35b2b/FLAG01124f47e [2024-11-09 02:57:13,122 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34cabdbd0/7201501cd9ab4c6d8785900d1df35b2b [2024-11-09 02:57:13,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 02:57:13,126 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 02:57:13,128 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 02:57:13,128 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 02:57:13,136 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 02:57:13,137 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:57:13" (1/1) ... [2024-11-09 02:57:13,138 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@84a1335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:57:13, skipping insertion in model container [2024-11-09 02:57:13,139 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:57:13" (1/1) ... [2024-11-09 02:57:13,243 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 02:57:13,602 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_list_get_at_harness.i[4495,4508] [2024-11-09 02:57:13,614 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_list_get_at_harness.i[4555,4568] [2024-11-09 02:57:14,786 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:57:14,787 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:57:14,788 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:57:14,788 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:57:14,790 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:57:14,801 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:57:14,802 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:57:14,804 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:57:14,805 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:57:14,806 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:57:14,807 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:57:14,808 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:57:14,808 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:57:15,253 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:57:15,260 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:57:15,316 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:57:15,317 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:57:15,321 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 02:57:15,370 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 02:57:15,391 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_list_get_at_harness.i[4495,4508] [2024-11-09 02:57:15,391 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_list_get_at_harness.i[4555,4568] [2024-11-09 02:57:15,468 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:57:15,468 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:57:15,469 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:57:15,469 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:57:15,470 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:57:15,481 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:57:15,482 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:57:15,483 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:57:15,486 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:57:15,487 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:57:15,488 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:57:15,488 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:57:15,489 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:57:15,568 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:57:15,574 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:57:15,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7769-7780] [2024-11-09 02:57:15,606 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:57:15,607 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:57:15,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 02:57:15,983 INFO L204 MainTranslator]: Completed translation [2024-11-09 02:57:15,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:57:15 WrapperNode [2024-11-09 02:57:15,984 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 02:57:15,985 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 02:57:15,985 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 02:57:15,986 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 02:57:15,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:57:15" (1/1) ... [2024-11-09 02:57:16,112 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:57:15" (1/1) ... [2024-11-09 02:57:16,198 INFO L138 Inliner]: procedures = 680, calls = 1679, calls flagged for inlining = 52, calls inlined = 8, statements flattened = 656 [2024-11-09 02:57:16,198 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 02:57:16,199 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 02:57:16,199 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 02:57:16,199 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 02:57:16,217 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:57:15" (1/1) ... [2024-11-09 02:57:16,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:57:15" (1/1) ... [2024-11-09 02:57:16,234 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:57:15" (1/1) ... [2024-11-09 02:57:16,327 INFO L175 MemorySlicer]: Split 313 memory accesses to 6 slices as follows [238, 2, 55, 6, 3, 9]. 76 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [6, 2, 10, 0, 1, 5]. The 239 writes are split as follows [232, 0, 3, 2, 1, 1]. [2024-11-09 02:57:16,327 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:57:15" (1/1) ... [2024-11-09 02:57:16,328 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:57:15" (1/1) ... [2024-11-09 02:57:16,363 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:57:15" (1/1) ... [2024-11-09 02:57:16,367 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:57:15" (1/1) ... [2024-11-09 02:57:16,374 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:57:15" (1/1) ... [2024-11-09 02:57:16,380 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:57:15" (1/1) ... [2024-11-09 02:57:16,390 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 02:57:16,396 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 02:57:16,396 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 02:57:16,400 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 02:57:16,401 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:57:15" (1/1) ... [2024-11-09 02:57:16,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 02:57:16,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:57:16,452 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 02:57:16,455 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 02:57:16,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 02:57:16,507 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-09 02:57:16,507 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-09 02:57:16,507 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-09 02:57:16,507 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-09 02:57:16,507 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 02:57:16,507 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 02:57:16,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 02:57:16,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 02:57:16,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 02:57:16,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 02:57:16,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 02:57:16,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 02:57:16,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 02:57:16,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 02:57:16,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 02:57:16,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 02:57:16,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 02:57:16,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 02:57:16,511 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-09 02:57:16,511 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-09 02:57:16,511 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 02:57:16,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 02:57:16,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 02:57:16,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 02:57:16,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 02:57:16,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 02:57:16,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 02:57:16,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 02:57:16,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 02:57:16,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 02:57:16,513 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-09 02:57:16,513 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-09 02:57:16,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 02:57:16,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 02:57:16,514 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 02:57:16,514 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 02:57:16,514 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-09 02:57:16,514 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-09 02:57:16,514 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-09 02:57:16,514 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-09 02:57:16,514 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-09 02:57:16,515 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-09 02:57:16,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 02:57:16,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 02:57:16,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 02:57:16,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 02:57:16,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 02:57:16,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 02:57:16,516 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-09 02:57:16,516 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-09 02:57:16,516 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-09 02:57:16,516 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-09 02:57:16,517 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 02:57:16,517 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 02:57:16,517 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-09 02:57:16,517 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-09 02:57:16,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 02:57:16,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 02:57:16,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 02:57:16,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 02:57:16,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 02:57:16,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 02:57:16,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 02:57:16,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 02:57:16,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 02:57:16,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 02:57:16,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 02:57:16,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 02:57:16,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 02:57:16,519 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 02:57:16,519 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 02:57:16,519 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-09 02:57:16,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-09 02:57:16,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 02:57:16,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 02:57:16,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 02:57:16,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 02:57:16,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 02:57:16,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 02:57:16,520 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-09 02:57:16,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-09 02:57:16,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 02:57:16,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 02:57:16,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 02:57:16,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 02:57:16,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 02:57:16,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 02:57:16,874 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 02:57:16,877 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 02:57:23,432 INFO L? ?]: Removed 128 outVars from TransFormulas that were not future-live. [2024-11-09 02:57:23,433 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 02:57:23,455 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 02:57:23,456 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 02:57:23,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:57:23 BoogieIcfgContainer [2024-11-09 02:57:23,457 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 02:57:23,459 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 02:57:23,460 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 02:57:23,463 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 02:57:23,464 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 02:57:13" (1/3) ... [2024-11-09 02:57:23,465 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51fb9924 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:57:23, skipping insertion in model container [2024-11-09 02:57:23,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:57:15" (2/3) ... [2024-11-09 02:57:23,466 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51fb9924 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:57:23, skipping insertion in model container [2024-11-09 02:57:23,467 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:57:23" (3/3) ... [2024-11-09 02:57:23,468 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_get_at_harness.i [2024-11-09 02:57:23,485 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 02:57:23,486 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 02:57:23,571 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 02:57:23,579 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;@6a819161, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 02:57:23,580 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 02:57:23,586 INFO L276 IsEmpty]: Start isEmpty. Operand has 186 states, 112 states have (on average 1.2053571428571428) internal successors, (135), 113 states have internal predecessors, (135), 55 states have call successors, (55), 17 states have call predecessors, (55), 17 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-09 02:57:23,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-09 02:57:23,603 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:57:23,605 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:57:23,607 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:57:23,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:57:23,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1431118103, now seen corresponding path program 1 times [2024-11-09 02:57:23,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:57:23,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964147554] [2024-11-09 02:57:23,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:57:23,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:57:28,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:29,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:57:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:29,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 02:57:29,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:29,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 02:57:29,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:29,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 02:57:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:29,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 02:57:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:30,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:57:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:30,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 02:57:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:30,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 02:57:30,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:30,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 02:57:30,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:30,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 02:57:30,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:30,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:57:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:30,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 02:57:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:30,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 02:57:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:30,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 02:57:30,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:30,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 02:57:30,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:30,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 02:57:30,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:30,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 02:57:30,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:30,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 02:57:30,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:30,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 02:57:30,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:30,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 02:57:30,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:30,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:57:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:30,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:57:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:30,421 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2024-11-09 02:57:30,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:57:30,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964147554] [2024-11-09 02:57:30,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964147554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:57:30,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:57:30,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 02:57:30,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121982288] [2024-11-09 02:57:30,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:57:30,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 02:57:30,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:57:30,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 02:57:30,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 02:57:30,457 INFO L87 Difference]: Start difference. First operand has 186 states, 112 states have (on average 1.2053571428571428) internal successors, (135), 113 states have internal predecessors, (135), 55 states have call successors, (55), 17 states have call predecessors, (55), 17 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-09 02:57:34,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 02:57:38,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 02:57:43,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 02:57:48,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:57:48,201 INFO L93 Difference]: Finished difference Result 386 states and 553 transitions. [2024-11-09 02:57:48,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 02:57:48,205 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 134 [2024-11-09 02:57:48,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:57:48,222 INFO L225 Difference]: With dead ends: 386 [2024-11-09 02:57:48,223 INFO L226 Difference]: Without dead ends: 198 [2024-11-09 02:57:48,233 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-09 02:57:48,238 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 134 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 149 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2024-11-09 02:57:48,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 261 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 231 Invalid, 3 Unknown, 0 Unchecked, 17.1s Time] [2024-11-09 02:57:48,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-09 02:57:48,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 177. [2024-11-09 02:57:48,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 105 states have (on average 1.161904761904762) internal successors, (122), 106 states have internal predecessors, (122), 55 states have call successors, (55), 17 states have call predecessors, (55), 16 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-09 02:57:48,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 230 transitions. [2024-11-09 02:57:48,340 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 230 transitions. Word has length 134 [2024-11-09 02:57:48,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:57:48,342 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 230 transitions. [2024-11-09 02:57:48,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-09 02:57:48,343 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 230 transitions. [2024-11-09 02:57:48,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-09 02:57:48,350 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:57:48,350 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:57:48,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 02:57:48,351 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:57:48,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:57:48,352 INFO L85 PathProgramCache]: Analyzing trace with hash 143965157, now seen corresponding path program 1 times [2024-11-09 02:57:48,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:57:48,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553865401] [2024-11-09 02:57:48,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:57:48,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:57:52,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:54,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:57:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:54,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 02:57:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:54,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 02:57:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:54,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 02:57:54,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:54,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 02:57:54,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:54,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:57:54,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:55,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 02:57:55,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:55,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 02:57:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:55,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 02:57:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:55,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 02:57:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:55,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:57:55,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:55,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 02:57:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:55,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 02:57:55,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:55,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 02:57:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:55,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 02:57:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:55,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 02:57:55,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:55,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 02:57:55,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:55,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 02:57:55,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:55,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 02:57:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:55,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 02:57:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:55,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:57:55,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:55,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:57:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:55,937 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-11-09 02:57:55,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:57:55,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553865401] [2024-11-09 02:57:55,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553865401] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 02:57:55,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1694384937] [2024-11-09 02:57:55,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:57:55,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 02:57:55,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:57:55,942 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) [2024-11-09 02:57:55,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 02:58:01,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:01,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 4275 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 02:58:01,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 02:58:02,395 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2024-11-09 02:58:02,397 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 02:58:02,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1694384937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:58:02,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 02:58:02,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-09 02:58:02,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280768385] [2024-11-09 02:58:02,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:58:02,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 02:58:02,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:58:02,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 02:58:02,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-09 02:58:02,402 INFO L87 Difference]: Start difference. First operand 177 states and 230 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-09 02:58:06,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:58:06,027 INFO L93 Difference]: Finished difference Result 327 states and 431 transitions. [2024-11-09 02:58:06,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 02:58:06,028 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 134 [2024-11-09 02:58:06,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:58:06,031 INFO L225 Difference]: With dead ends: 327 [2024-11-09 02:58:06,031 INFO L226 Difference]: Without dead ends: 179 [2024-11-09 02:58:06,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-09 02:58:06,034 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 242 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-09 02:58:06,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 658 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-09 02:58:06,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-09 02:58:06,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2024-11-09 02:58:06,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 106 states have (on average 1.1603773584905661) internal successors, (123), 108 states have internal predecessors, (123), 55 states have call successors, (55), 17 states have call predecessors, (55), 17 states have return successors, (58), 53 states have call predecessors, (58), 53 states have call successors, (58) [2024-11-09 02:58:06,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 236 transitions. [2024-11-09 02:58:06,067 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 236 transitions. Word has length 134 [2024-11-09 02:58:06,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:58:06,068 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 236 transitions. [2024-11-09 02:58:06,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-09 02:58:06,068 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 236 transitions. [2024-11-09 02:58:06,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-09 02:58:06,071 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:58:06,071 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:58:06,102 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 02:58:06,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 02:58:06,273 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:58:06,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:58:06,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1011624823, now seen corresponding path program 1 times [2024-11-09 02:58:06,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:58:06,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971693370] [2024-11-09 02:58:06,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:58:06,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:58:10,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:13,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:58:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:13,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 02:58:13,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:13,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 02:58:13,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:13,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 02:58:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:13,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 02:58:13,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:14,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:58:14,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:16,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:58:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:16,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:58:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:16,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 02:58:16,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:16,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 02:58:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:16,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-09 02:58:16,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:16,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 02:58:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:16,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:58:16,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:16,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:58:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:16,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 02:58:16,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:16,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:58:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:16,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:58:16,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:16,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 02:58:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:16,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 02:58:16,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:16,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 02:58:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:17,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 02:58:17,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:17,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-09 02:58:17,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:17,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-09 02:58:17,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:17,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-09 02:58:17,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:17,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-09 02:58:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:17,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 02:58:17,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:17,574 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-11-09 02:58:17,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:58:17,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971693370] [2024-11-09 02:58:17,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971693370] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 02:58:17,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255510521] [2024-11-09 02:58:17,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:58:17,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 02:58:17,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:58:17,579 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 02:58:17,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 02:58:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:58:23,008 INFO L255 TraceCheckSpWp]: Trace formula consists of 4529 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 02:58:23,018 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 02:58:25,630 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 02:58:25,630 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 02:58:25,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [255510521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:58:25,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 02:58:25,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 19 [2024-11-09 02:58:25,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403283237] [2024-11-09 02:58:25,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:58:25,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 02:58:25,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:58:25,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 02:58:25,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2024-11-09 02:58:25,633 INFO L87 Difference]: Start difference. First operand 179 states and 236 transitions. Second operand has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-09 02:58:30,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:58:30,404 INFO L93 Difference]: Finished difference Result 287 states and 378 transitions. [2024-11-09 02:58:30,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 02:58:30,405 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) Word has length 164 [2024-11-09 02:58:30,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:58:30,408 INFO L225 Difference]: With dead ends: 287 [2024-11-09 02:58:30,408 INFO L226 Difference]: Without dead ends: 179 [2024-11-09 02:58:30,410 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2024-11-09 02:58:30,411 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 243 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 819 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-09 02:58:30,411 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 819 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-09 02:58:30,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-09 02:58:30,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2024-11-09 02:58:30,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 106 states have (on average 1.1603773584905661) internal successors, (123), 108 states have internal predecessors, (123), 55 states have call successors, (55), 17 states have call predecessors, (55), 17 states have return successors, (55), 53 states have call predecessors, (55), 53 states have call successors, (55) [2024-11-09 02:58:30,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 233 transitions. [2024-11-09 02:58:30,432 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 233 transitions. Word has length 164 [2024-11-09 02:58:30,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:58:30,433 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 233 transitions. [2024-11-09 02:58:30,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-09 02:58:30,434 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 233 transitions. [2024-11-09 02:58:30,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-09 02:58:30,436 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:58:30,436 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:58:30,461 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 02:58:30,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-09 02:58:30,638 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:58:30,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:58:30,638 INFO L85 PathProgramCache]: Analyzing trace with hash 39476137, now seen corresponding path program 2 times [2024-11-09 02:58:30,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:58:30,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110949776] [2024-11-09 02:58:30,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:58:30,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:58:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat