./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_string_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_byte_buf_write_from_whole_string_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 7d9514ee1b6f3a0027f117bcf81d6b26d525fe99251459ecef3c46cad248dd1f --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:06:18,913 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:06:18,957 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:06:18,960 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:06:18,961 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:06:18,976 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:06:18,977 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:06:18,977 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:06:18,978 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:06:18,978 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:06:18,978 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:06:18,979 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:06:18,979 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:06:18,979 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:06:18,980 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:06:18,980 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:06:18,980 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:06:18,981 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:06:18,981 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:06:18,981 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:06:18,982 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:06:18,982 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:06:18,982 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:06:18,983 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:06:18,983 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:06:18,983 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:06:18,984 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:06:18,984 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:06:18,984 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:06:18,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:06:18,985 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:06:18,985 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:06:18,985 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:06:18,985 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:06:18,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:06:18,986 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:06:18,986 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:06:18,986 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:06:18,987 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:06:18,987 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d9514ee1b6f3a0027f117bcf81d6b26d525fe99251459ecef3c46cad248dd1f [2024-11-09 03:06:19,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:06:19,215 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:06:19,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:06:19,218 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:06:19,219 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:06:19,220 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_string_harness.i [2024-11-09 03:06:20,698 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:06:21,285 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:06:21,286 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_string_harness.i [2024-11-09 03:06:21,334 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68348d056/6f532e6c165841afa0c89e353dc1ef05/FLAGf14550b36 [2024-11-09 03:06:21,772 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68348d056/6f532e6c165841afa0c89e353dc1ef05 [2024-11-09 03:06:21,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:06:21,776 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:06:21,777 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:06:21,777 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:06:21,782 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:06:21,782 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:06:21" (1/1) ... [2024-11-09 03:06:21,783 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ce67882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:21, skipping insertion in model container [2024-11-09 03:06:21,784 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:06:21" (1/1) ... [2024-11-09 03:06:21,876 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:06:22,183 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_string_harness.i[4510,4523] [2024-11-09 03:06:22,193 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_string_harness.i[4570,4583] [2024-11-09 03:06:22,939 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:22,939 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:22,940 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:22,940 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:22,941 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:22,950 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:22,950 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:22,952 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:22,952 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:22,953 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:22,954 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:22,954 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:22,955 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:23,322 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:23,327 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:23,391 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:23,391 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:23,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:06:23,631 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:06:23,647 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_string_harness.i[4510,4523] [2024-11-09 03:06:23,647 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_string_harness.i[4570,4583] [2024-11-09 03:06:23,687 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:23,688 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:23,688 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:23,688 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:23,689 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:23,693 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:23,694 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:23,694 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:23,694 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:23,695 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:23,696 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:23,696 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:23,696 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:23,741 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:23,747 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:23,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8553] [2024-11-09 03:06:23,785 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:23,786 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:23,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [9039-9050] [2024-11-09 03:06:23,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:06:24,072 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:06:24,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:24 WrapperNode [2024-11-09 03:06:24,072 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:06:24,073 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:06:24,074 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:06:24,074 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:06:24,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:24" (1/1) ... [2024-11-09 03:06:24,164 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:24" (1/1) ... [2024-11-09 03:06:24,245 INFO L138 Inliner]: procedures = 684, calls = 3059, calls flagged for inlining = 70, calls inlined = 10, statements flattened = 980 [2024-11-09 03:06:24,245 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:06:24,246 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:06:24,247 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:06:24,247 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:06:24,261 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:24" (1/1) ... [2024-11-09 03:06:24,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:24" (1/1) ... [2024-11-09 03:06:24,278 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:24" (1/1) ... [2024-11-09 03:06:24,354 INFO L175 MemorySlicer]: Split 591 memory accesses to 7 slices as follows [2, 257, 238, 6, 16, 51, 21]. 43 percent of accesses are in the largest equivalence class. The 37 initializations are split as follows [2, 0, 6, 0, 16, 8, 5]. The 498 writes are split as follows [0, 257, 232, 2, 0, 3, 4]. [2024-11-09 03:06:24,358 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:24" (1/1) ... [2024-11-09 03:06:24,358 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:24" (1/1) ... [2024-11-09 03:06:24,400 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:24" (1/1) ... [2024-11-09 03:06:24,407 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:24" (1/1) ... [2024-11-09 03:06:24,426 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:24" (1/1) ... [2024-11-09 03:06:24,431 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:24" (1/1) ... [2024-11-09 03:06:24,440 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:06:24,444 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:06:24,444 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:06:24,444 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:06:24,445 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:24" (1/1) ... [2024-11-09 03:06:24,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:06:24,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:06:24,492 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 03:06:24,497 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 03:06:24,528 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-09 03:06:24,528 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-09 03:06:24,528 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-09 03:06:24,528 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-09 03:06:24,529 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-09 03:06:24,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-09 03:06:24,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:06:24,529 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:06:24,529 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:06:24,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2024-11-09 03:06:24,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2024-11-09 03:06:24,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2024-11-09 03:06:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2024-11-09 03:06:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2024-11-09 03:06:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2024-11-09 03:06:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#6 [2024-11-09 03:06:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-09 03:06:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-09 03:06:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-09 03:06:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-09 03:06:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-09 03:06:24,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-09 03:06:24,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-09 03:06:24,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:06:24,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:06:24,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:06:24,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:06:24,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:06:24,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 03:06:24,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-09 03:06:24,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:06:24,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:06:24,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:06:24,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:06:24,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:06:24,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 03:06:24,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-09 03:06:24,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-09 03:06:24,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-09 03:06:24,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-09 03:06:24,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-09 03:06:24,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-09 03:06:24,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-09 03:06:24,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-09 03:06:24,533 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-09 03:06:24,533 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-09 03:06:24,533 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-09 03:06:24,534 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-09 03:06:24,534 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-09 03:06:24,534 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-09 03:06:24,534 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-09 03:06:24,534 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:06:24,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:06:24,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:06:24,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:06:24,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:06:24,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:06:24,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:06:24,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:06:24,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:06:24,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 03:06:24,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-09 03:06:24,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:06:24,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:06:24,536 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:06:24,536 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:06:24,536 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-09 03:06:24,536 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-09 03:06:24,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-09 03:06:24,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-09 03:06:24,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-09 03:06:24,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-09 03:06:24,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-09 03:06:24,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-09 03:06:24,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-09 03:06:24,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:06:24,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:06:24,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:06:24,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:06:24,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:06:24,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 03:06:24,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-09 03:06:24,538 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2024-11-09 03:06:24,538 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2024-11-09 03:06:24,538 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:06:24,538 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:06:24,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:06:24,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:06:24,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:06:24,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:06:24,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:06:24,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:06:24,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 03:06:24,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-09 03:06:24,539 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-09 03:06:24,539 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-09 03:06:24,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:06:24,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:06:24,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:06:24,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:06:24,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:06:24,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 03:06:24,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-09 03:06:24,540 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:06:24,540 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:06:24,540 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 03:06:24,540 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 03:06:24,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:06:24,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:06:24,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:06:24,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:06:24,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:06:24,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 03:06:24,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-09 03:06:24,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2024-11-09 03:06:24,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2024-11-09 03:06:24,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2024-11-09 03:06:24,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2024-11-09 03:06:24,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2024-11-09 03:06:24,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2024-11-09 03:06:24,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#6 [2024-11-09 03:06:24,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:06:24,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:06:24,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:06:24,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:06:24,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:06:24,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 03:06:24,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 03:06:24,822 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:06:24,825 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:06:32,746 INFO L? ?]: Removed 251 outVars from TransFormulas that were not future-live. [2024-11-09 03:06:32,746 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:06:32,763 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:06:32,763 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 03:06:32,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:06:32 BoogieIcfgContainer [2024-11-09 03:06:32,767 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:06:32,769 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:06:32,769 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:06:32,775 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:06:32,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:06:21" (1/3) ... [2024-11-09 03:06:32,776 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de84b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:06:32, skipping insertion in model container [2024-11-09 03:06:32,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:24" (2/3) ... [2024-11-09 03:06:32,780 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de84b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:06:32, skipping insertion in model container [2024-11-09 03:06:32,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:06:32" (3/3) ... [2024-11-09 03:06:32,781 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_from_whole_string_harness.i [2024-11-09 03:06:32,807 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:06:32,807 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:06:32,881 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:06:32,894 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;@72ada87e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:06:32,894 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:06:32,906 INFO L276 IsEmpty]: Start isEmpty. Operand has 181 states, 118 states have (on average 1.2627118644067796) internal successors, (149), 119 states have internal predecessors, (149), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-09 03:06:32,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-09 03:06:32,915 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:06:32,915 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-09 03:06:32,916 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:06:32,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:06:32,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1996143641, now seen corresponding path program 1 times [2024-11-09 03:06:32,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:06:32,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388474183] [2024-11-09 03:06:32,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:06:32,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:07:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:47,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:07:47,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:47,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 03:07:47,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:47,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 03:07:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:47,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:07:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:47,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-09 03:07:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:47,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 03:07:47,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:47,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 03:07:47,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:47,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 03:07:47,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:47,418 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-09 03:07:47,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:07:47,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388474183] [2024-11-09 03:07:47,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388474183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:07:47,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:07:47,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 03:07:47,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880450247] [2024-11-09 03:07:47,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:07:47,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 03:07:47,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:07:47,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 03:07:47,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 03:07:47,448 INFO L87 Difference]: Start difference. First operand has 181 states, 118 states have (on average 1.2627118644067796) internal successors, (149), 119 states have internal predecessors, (149), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 03:07:51,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:07:53,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:07:53,940 INFO L93 Difference]: Finished difference Result 353 states and 507 transitions. [2024-11-09 03:07:53,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 03:07:53,943 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 62 [2024-11-09 03:07:53,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:07:53,950 INFO L225 Difference]: With dead ends: 353 [2024-11-09 03:07:53,950 INFO L226 Difference]: Without dead ends: 176 [2024-11-09 03:07:53,953 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 03:07:53,955 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 85 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 36 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2024-11-09 03:07:53,955 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 217 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 132 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2024-11-09 03:07:53,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-11-09 03:07:53,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2024-11-09 03:07:53,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 114 states have (on average 1.2543859649122806) internal successors, (143), 115 states have internal predecessors, (143), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-09 03:07:53,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 238 transitions. [2024-11-09 03:07:54,000 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 238 transitions. Word has length 62 [2024-11-09 03:07:54,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:07:54,001 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 238 transitions. [2024-11-09 03:07:54,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 03:07:54,001 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 238 transitions. [2024-11-09 03:07:54,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-09 03:07:54,003 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:07:54,003 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-09 03:07:54,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 03:07:54,004 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:07:54,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:07:54,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1690815581, now seen corresponding path program 1 times [2024-11-09 03:07:54,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:07:54,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033446128] [2024-11-09 03:07:54,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:07:54,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms