./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d 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_cursor_read_be16_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash df84751ae907cf8e2f81d69c2889b453b5ccdd1cae9e7b45e78c48443104a63e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 19:54:51,143 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 19:54:51,226 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 19:54:51,230 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 19:54:51,231 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 19:54:51,250 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 19:54:51,252 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 19:54:51,252 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 19:54:51,252 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 19:54:51,254 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 19:54:51,254 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 19:54:51,254 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 19:54:51,255 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 19:54:51,256 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 19:54:51,256 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 19:54:51,256 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 19:54:51,256 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 19:54:51,256 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 19:54:51,257 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 19:54:51,257 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 19:54:51,257 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 19:54:51,257 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 19:54:51,258 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 19:54:51,258 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 19:54:51,258 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 19:54:51,258 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 19:54:51,258 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 19:54:51,259 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 19:54:51,259 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 19:54:51,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:54:51,259 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 19:54:51,259 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 19:54:51,260 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 19:54:51,260 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 19:54:51,260 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 19:54:51,260 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 19:54:51,260 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 19:54:51,260 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 19:54:51,261 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 19:54:51,262 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df84751ae907cf8e2f81d69c2889b453b5ccdd1cae9e7b45e78c48443104a63e [2024-11-16 19:54:51,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 19:54:51,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 19:54:51,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 19:54:51,481 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 19:54:51,481 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 19:54:51,482 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness_negated.i [2024-11-16 19:54:52,745 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 19:54:53,119 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 19:54:53,120 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness_negated.i [2024-11-16 19:54:53,151 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcfb6fd2e/a0e34803f8084b4a854112794ebabf0e/FLAG78a94370a [2024-11-16 19:54:53,165 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcfb6fd2e/a0e34803f8084b4a854112794ebabf0e [2024-11-16 19:54:53,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 19:54:53,170 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 19:54:53,172 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 19:54:53,172 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 19:54:53,176 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 19:54:53,177 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:54:53" (1/1) ... [2024-11-16 19:54:53,178 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b49c9c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:53, skipping insertion in model container [2024-11-16 19:54:53,178 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:54:53" (1/1) ... [2024-11-16 19:54:53,252 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 19:54:53,514 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_cursor_read_be16_harness_negated.i[4499,4512] [2024-11-16 19:54:53,522 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_cursor_read_be16_harness_negated.i[4559,4572] [2024-11-16 19:54:54,156 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:54,161 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:54,161 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:54,162 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:54,162 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:54,176 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:54,176 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:54,178 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:54,178 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:54,624 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:54,625 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:54,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:54:54,769 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 19:54:54,782 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_cursor_read_be16_harness_negated.i[4499,4512] [2024-11-16 19:54:54,783 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_cursor_read_be16_harness_negated.i[4559,4572] [2024-11-16 19:54:54,847 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:54,848 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:54,848 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:54,848 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:54,849 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:54,853 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:54,853 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:54,854 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:54,854 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:54,938 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-11-16 19:54:54,940 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:54,940 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:54,952 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2024-11-16 19:54:54,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:54:55,156 INFO L204 MainTranslator]: Completed translation [2024-11-16 19:54:55,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:55 WrapperNode [2024-11-16 19:54:55,157 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 19:54:55,158 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 19:54:55,158 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 19:54:55,159 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 19:54:55,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:55" (1/1) ... [2024-11-16 19:54:55,273 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:55" (1/1) ... [2024-11-16 19:54:55,343 INFO L138 Inliner]: procedures = 680, calls = 2639, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 1027 [2024-11-16 19:54:55,346 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 19:54:55,347 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 19:54:55,347 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 19:54:55,347 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 19:54:55,355 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:55" (1/1) ... [2024-11-16 19:54:55,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:55" (1/1) ... [2024-11-16 19:54:55,365 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:55" (1/1) ... [2024-11-16 19:54:55,436 INFO L175 MemorySlicer]: Split 567 memory accesses to 8 slices as follows [2, 257, 6, 4, 37, 248, 8, 5]. 45 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 0, 0, 2, 2, 6, 2, 5]. The 504 writes are split as follows [0, 257, 2, 0, 9, 236, 0, 0]. [2024-11-16 19:54:55,438 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:55" (1/1) ... [2024-11-16 19:54:55,438 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:55" (1/1) ... [2024-11-16 19:54:55,469 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:55" (1/1) ... [2024-11-16 19:54:55,470 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:55" (1/1) ... [2024-11-16 19:54:55,481 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:55" (1/1) ... [2024-11-16 19:54:55,486 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:55" (1/1) ... [2024-11-16 19:54:55,499 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 19:54:55,500 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 19:54:55,500 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 19:54:55,500 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 19:54:55,501 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:55" (1/1) ... [2024-11-16 19:54:55,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:54:55,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:54:55,531 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) [2024-11-16 19:54:55,535 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 [2024-11-16 19:54:55,568 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_read [2024-11-16 19:54:55,569 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_read [2024-11-16 19:54:55,570 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-16 19:54:55,570 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-16 19:54:55,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 19:54:55,570 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 19:54:55,570 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 19:54:55,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2024-11-16 19:54:55,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2024-11-16 19:54:55,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2024-11-16 19:54:55,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2024-11-16 19:54:55,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2024-11-16 19:54:55,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2024-11-16 19:54:55,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#6 [2024-11-16 19:54:55,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#7 [2024-11-16 19:54:55,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-16 19:54:55,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-16 19:54:55,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-16 19:54:55,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-16 19:54:55,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-16 19:54:55,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-16 19:54:55,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-16 19:54:55,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-16 19:54:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 19:54:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 19:54:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 19:54:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 19:54:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 19:54:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-16 19:54:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-16 19:54:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-16 19:54:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 19:54:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 19:54:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 19:54:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 19:54:55,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 19:54:55,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 19:54:55,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-16 19:54:55,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-16 19:54:55,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-16 19:54:55,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-16 19:54:55,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-16 19:54:55,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-16 19:54:55,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-16 19:54:55,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-16 19:54:55,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-16 19:54:55,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-16 19:54:55,576 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-16 19:54:55,576 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-16 19:54:55,576 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-16 19:54:55,576 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-16 19:54:55,576 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-16 19:54:55,576 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-16 19:54:55,576 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-16 19:54:55,577 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-16 19:54:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 19:54:55,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 19:54:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 19:54:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ntoh16 [2024-11-16 19:54:55,577 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ntoh16 [2024-11-16 19:54:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 19:54:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 19:54:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 19:54:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 19:54:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 19:54:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 19:54:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-16 19:54:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-16 19:54:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-16 19:54:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 19:54:55,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 19:54:55,579 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 19:54:55,579 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 19:54:55,579 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-16 19:54:55,579 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-16 19:54:55,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-16 19:54:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-16 19:54:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-16 19:54:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-16 19:54:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-16 19:54:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-16 19:54:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-16 19:54:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-16 19:54:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 19:54:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 19:54:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 19:54:55,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 19:54:55,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 19:54:55,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-16 19:54:55,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-16 19:54:55,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-16 19:54:55,581 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-16 19:54:55,581 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-16 19:54:55,581 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 19:54:55,582 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 19:54:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 19:54:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 19:54:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 19:54:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 19:54:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 19:54:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 19:54:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-16 19:54:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-16 19:54:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-16 19:54:55,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 19:54:55,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 19:54:55,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 19:54:55,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 19:54:55,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 19:54:55,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-16 19:54:55,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-16 19:54:55,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-16 19:54:55,583 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-16 19:54:55,583 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-16 19:54:55,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 19:54:55,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 19:54:55,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 19:54:55,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 19:54:55,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 19:54:55,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 19:54:55,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-16 19:54:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-16 19:54:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2024-11-16 19:54:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2024-11-16 19:54:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2024-11-16 19:54:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2024-11-16 19:54:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2024-11-16 19:54:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2024-11-16 19:54:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#6 [2024-11-16 19:54:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#7 [2024-11-16 19:54:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 19:54:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 19:54:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 19:54:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 19:54:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 19:54:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 19:54:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-16 19:54:55,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-16 19:54:55,900 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 19:54:55,902 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 19:54:55,931 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-16 19:54:56,088 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8328: call ULTIMATE.dealloc(~#slice~0#1.base, ~#slice~0#1.offset);havoc ~#slice~0#1.base, ~#slice~0#1.offset; [2024-11-16 19:54:56,089 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8321: havoc aws_byte_cursor_advance_nospec_#t~mem1112#1;havoc aws_byte_cursor_advance_nospec_#t~mem1113#1.base, aws_byte_cursor_advance_nospec_#t~mem1113#1.offset;call ULTIMATE.dealloc(aws_byte_cursor_advance_nospec_~#rv~7#1.base, aws_byte_cursor_advance_nospec_~#rv~7#1.offset);havoc aws_byte_cursor_advance_nospec_~#rv~7#1.base, aws_byte_cursor_advance_nospec_~#rv~7#1.offset; [2024-11-16 19:54:56,100 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-16 19:54:56,107 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6888: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2024-11-16 19:54:56,138 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7355: havoc #t~mem693;havoc #t~mem694;havoc #t~mem695.base, #t~mem695.offset;havoc #t~short696;havoc #t~mem697;havoc #t~mem698.base, #t~mem698.offset;havoc #t~short699;havoc #t~short700;havoc #t~short701;havoc #t~short702; [2024-11-16 19:54:56,460 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4052: havoc #t~nondet270; [2024-11-16 19:54:56,571 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 19:55:03,715 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2024-11-16 19:55:03,792 INFO L? ?]: Removed 248 outVars from TransFormulas that were not future-live. [2024-11-16 19:55:03,793 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 19:55:03,816 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 19:55:03,816 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 19:55:03,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:55:03 BoogieIcfgContainer [2024-11-16 19:55:03,818 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 19:55:03,819 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 19:55:03,821 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 19:55:03,823 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 19:55:03,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:54:53" (1/3) ... [2024-11-16 19:55:03,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c41f260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:55:03, skipping insertion in model container [2024-11-16 19:55:03,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:55" (2/3) ... [2024-11-16 19:55:03,825 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c41f260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:55:03, skipping insertion in model container [2024-11-16 19:55:03,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:55:03" (3/3) ... [2024-11-16 19:55:03,826 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_read_be16_harness_negated.i [2024-11-16 19:55:03,840 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 19:55:03,840 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 19:55:03,904 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 19:55:03,909 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;@4f8cd15b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 19:55:03,910 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 19:55:03,915 INFO L276 IsEmpty]: Start isEmpty. Operand has 184 states, 123 states have (on average 1.2764227642276422) internal successors, (157), 124 states have internal predecessors, (157), 48 states have call successors, (48), 11 states have call predecessors, (48), 11 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-16 19:55:03,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-16 19:55:03,930 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:55:03,932 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 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] [2024-11-16 19:55:03,933 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:55:03,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:55:03,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1125025964, now seen corresponding path program 1 times [2024-11-16 19:55:03,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:55:03,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107736011] [2024-11-16 19:55:03,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:55:03,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:56:22,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:23,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:56:23,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:23,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:56:23,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:23,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 19:56:23,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:23,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-16 19:56:23,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:23,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-16 19:56:23,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:23,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 19:56:23,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:23,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 19:56:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:23,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 19:56:23,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:23,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 19:56:23,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:23,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-16 19:56:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:23,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-16 19:56:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:23,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-16 19:56:23,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:23,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-16 19:56:23,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:23,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 19:56:23,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:23,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 19:56:23,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:23,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 19:56:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:23,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 19:56:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:23,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-16 19:56:23,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:23,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 19:56:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:23,544 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-16 19:56:23,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:56:23,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107736011] [2024-11-16 19:56:23,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107736011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:56:23,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 19:56:23,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 19:56:23,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536111998] [2024-11-16 19:56:23,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:56:23,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 19:56:23,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:56:23,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 19:56:23,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 19:56:23,576 INFO L87 Difference]: Start difference. First operand has 184 states, 123 states have (on average 1.2764227642276422) internal successors, (157), 124 states have internal predecessors, (157), 48 states have call successors, (48), 11 states have call predecessors, (48), 11 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-16 19:56:27,724 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 [] [2024-11-16 19:56:32,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.46s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []