./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f 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_be32_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 6dc5bd60f4d96fc7f9806283fae01bdd9c221bb414825650ea3065ab8880bb4d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 10:57:47,256 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 10:57:47,323 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 10:57:47,332 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 10:57:47,332 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 10:57:47,356 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 10:57:47,356 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 10:57:47,357 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 10:57:47,357 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 10:57:47,358 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 10:57:47,358 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 10:57:47,359 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 10:57:47,359 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 10:57:47,360 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 10:57:47,361 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 10:57:47,362 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 10:57:47,362 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 10:57:47,362 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 10:57:47,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 10:57:47,362 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 10:57:47,363 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 10:57:47,363 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 10:57:47,363 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 10:57:47,364 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 10:57:47,364 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 10:57:47,364 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 10:57:47,364 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 10:57:47,364 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 10:57:47,364 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 10:57:47,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:57:47,365 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 10:57:47,365 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 10:57:47,365 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 10:57:47,365 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 10:57:47,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 10:57:47,366 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 10:57:47,366 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 10:57:47,366 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 10:57:47,366 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 10:57:47,369 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6dc5bd60f4d96fc7f9806283fae01bdd9c221bb414825650ea3065ab8880bb4d [2024-11-10 10:57:47,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 10:57:47,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 10:57:47,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 10:57:47,630 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 10:57:47,630 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 10:57:47,631 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness_negated.i [2024-11-10 10:57:48,872 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 10:57:49,280 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 10:57:49,280 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness_negated.i [2024-11-10 10:57:49,316 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e1b2b553/219ecdb36f04428caf6d64ff64cbb40f/FLAG3d9ee03dc [2024-11-10 10:57:49,330 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e1b2b553/219ecdb36f04428caf6d64ff64cbb40f [2024-11-10 10:57:49,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 10:57:49,335 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 10:57:49,336 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 10:57:49,337 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 10:57:49,341 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 10:57:49,342 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:57:49" (1/1) ... [2024-11-10 10:57:49,343 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ef7647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:49, skipping insertion in model container [2024-11-10 10:57:49,343 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:57:49" (1/1) ... [2024-11-10 10:57:49,420 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 10:57:49,683 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_be32_harness_negated.i[4499,4512] [2024-11-10 10:57:49,691 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_be32_harness_negated.i[4559,4572] [2024-11-10 10:57:50,228 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:50,229 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:50,229 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:50,230 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:50,231 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:50,244 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:50,245 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:50,246 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:50,247 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:50,767 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:50,769 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:50,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:57:50,889 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 10:57:50,906 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_be32_harness_negated.i[4499,4512] [2024-11-10 10:57:50,906 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_be32_harness_negated.i[4559,4572] [2024-11-10 10:57:50,941 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:50,942 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:50,942 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:50,943 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:50,943 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:50,948 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:50,949 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:50,949 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:50,950 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:51,104 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-11-10 10:57:51,106 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:51,106 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:51,116 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2024-11-10 10:57:51,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:57:51,289 INFO L204 MainTranslator]: Completed translation [2024-11-10 10:57:51,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:51 WrapperNode [2024-11-10 10:57:51,290 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 10:57:51,291 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 10:57:51,291 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 10:57:51,291 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 10:57:51,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:51" (1/1) ... [2024-11-10 10:57:51,379 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:51" (1/1) ... [2024-11-10 10:57:51,448 INFO L138 Inliner]: procedures = 680, calls = 2639, calls flagged for inlining = 62, calls inlined = 11, statements flattened = 1027 [2024-11-10 10:57:51,449 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 10:57:51,450 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 10:57:51,450 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 10:57:51,450 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 10:57:51,461 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:51" (1/1) ... [2024-11-10 10:57:51,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:51" (1/1) ... [2024-11-10 10:57:51,474 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:51" (1/1) ... [2024-11-10 10:57:51,542 INFO L175 MemorySlicer]: Split 567 memory accesses to 8 slices as follows [248, 2, 257, 6, 37, 8, 4, 5]. 45 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [6, 2, 0, 0, 2, 2, 2, 5]. The 504 writes are split as follows [236, 0, 257, 2, 9, 0, 0, 0]. [2024-11-10 10:57:51,543 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:51" (1/1) ... [2024-11-10 10:57:51,543 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:51" (1/1) ... [2024-11-10 10:57:51,583 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:51" (1/1) ... [2024-11-10 10:57:51,585 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:51" (1/1) ... [2024-11-10 10:57:51,596 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:51" (1/1) ... [2024-11-10 10:57:51,602 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:51" (1/1) ... [2024-11-10 10:57:51,612 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 10:57:51,613 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 10:57:51,613 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 10:57:51,614 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 10:57:51,614 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:51" (1/1) ... [2024-11-10 10:57:51,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:57:51,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:57:51,694 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) [2024-11-10 10:57:51,700 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 [2024-11-10 10:57:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_read [2024-11-10 10:57:51,757 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_read [2024-11-10 10:57:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-10 10:57:51,758 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-10 10:57:51,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 10:57:51,758 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-10 10:57:51,758 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-10 10:57:51,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2024-11-10 10:57:51,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2024-11-10 10:57:51,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2024-11-10 10:57:51,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2024-11-10 10:57:51,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2024-11-10 10:57:51,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2024-11-10 10:57:51,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#6 [2024-11-10 10:57:51,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#7 [2024-11-10 10:57:51,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-10 10:57:51,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-10 10:57:51,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-10 10:57:51,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-10 10:57:51,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-10 10:57:51,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-10 10:57:51,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-10 10:57:51,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-10 10:57:51,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 10:57:51,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 10:57:51,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 10:57:51,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 10:57:51,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-10 10:57:51,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-10 10:57:51,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-10 10:57:51,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-10 10:57:51,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 10:57:51,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 10:57:51,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 10:57:51,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 10:57:51,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 10:57:51,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 10:57:51,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-10 10:57:51,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-10 10:57:51,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-10 10:57:51,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-10 10:57:51,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-10 10:57:51,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-10 10:57:51,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-10 10:57:51,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-10 10:57:51,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-10 10:57:51,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-10 10:57:51,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-10 10:57:51,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-10 10:57:51,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-10 10:57:51,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-10 10:57:51,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-10 10:57:51,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-10 10:57:51,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-10 10:57:51,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-10 10:57:51,790 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 10:57:51,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 10:57:51,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 10:57:51,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 10:57:51,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 10:57:51,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 10:57:51,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 10:57:51,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 10:57:51,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 10:57:51,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-10 10:57:51,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-10 10:57:51,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-10 10:57:51,791 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ntoh32 [2024-11-10 10:57:51,791 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ntoh32 [2024-11-10 10:57:51,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 10:57:51,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 10:57:51,791 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-10 10:57:51,791 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-10 10:57:51,792 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-10 10:57:51,792 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-10 10:57:51,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-10 10:57:51,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-10 10:57:51,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-10 10:57:51,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-10 10:57:51,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-10 10:57:51,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-10 10:57:51,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-10 10:57:51,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-10 10:57:51,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 10:57:51,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 10:57:51,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 10:57:51,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 10:57:51,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 10:57:51,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-10 10:57:51,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-10 10:57:51,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-10 10:57:51,799 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-10 10:57:51,799 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-10 10:57:51,799 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 10:57:51,799 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 10:57:51,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 10:57:51,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 10:57:51,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 10:57:51,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 10:57:51,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 10:57:51,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-10 10:57:51,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-10 10:57:51,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-10 10:57:51,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-10 10:57:51,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 10:57:51,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 10:57:51,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 10:57:51,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 10:57:51,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 10:57:51,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-10 10:57:51,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-10 10:57:51,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-10 10:57:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-10 10:57:51,801 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-10 10:57:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 10:57:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 10:57:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 10:57:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 10:57:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 10:57:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-10 10:57:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-10 10:57:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-10 10:57:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2024-11-10 10:57:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2024-11-10 10:57:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2024-11-10 10:57:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2024-11-10 10:57:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2024-11-10 10:57:51,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2024-11-10 10:57:51,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#6 [2024-11-10 10:57:51,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#7 [2024-11-10 10:57:51,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 10:57:51,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 10:57:51,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 10:57:51,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 10:57:51,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 10:57:51,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 10:57:51,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-10 10:57:51,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-10 10:57:52,139 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 10:57:52,142 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 10:57:52,177 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-10 10:57:52,343 INFO L1247 $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; [2024-11-10 10:57:52,343 INFO L1247 $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; [2024-11-10 10:57:52,355 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-10 10:57:52,361 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6888: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2024-11-10 10:57:52,394 INFO L1247 $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; [2024-11-10 10:57:52,879 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3992: havoc #t~nondet262; [2024-11-10 10:57:52,882 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-10 10:58:00,437 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2024-11-10 10:58:00,522 INFO L? ?]: Removed 248 outVars from TransFormulas that were not future-live. [2024-11-10 10:58:00,522 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 10:58:00,549 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 10:58:00,550 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 10:58:00,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:58:00 BoogieIcfgContainer [2024-11-10 10:58:00,550 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 10:58:00,552 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 10:58:00,553 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 10:58:00,556 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 10:58:00,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:57:49" (1/3) ... [2024-11-10 10:58:00,556 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e25795d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:58:00, skipping insertion in model container [2024-11-10 10:58:00,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:51" (2/3) ... [2024-11-10 10:58:00,558 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e25795d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:58:00, skipping insertion in model container [2024-11-10 10:58:00,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:58:00" (3/3) ... [2024-11-10 10:58:00,559 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_read_be32_harness_negated.i [2024-11-10 10:58:00,574 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 10:58:00,574 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 10:58:00,633 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 10:58:00,639 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;@7c0270c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 10:58:00,640 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 10:58:00,644 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) [2024-11-10 10:58:00,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-10 10:58:00,660 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:58:00,661 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] [2024-11-10 10:58:00,662 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:58:00,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:58:00,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1342971543, now seen corresponding path program 1 times [2024-11-10 10:58:00,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:58:00,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197659695] [2024-11-10 10:58:00,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:58:00,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:59:13,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:14,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 10:59:14,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:14,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 10:59:14,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:14,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 10:59:14,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:14,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 10:59:14,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:14,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-10 10:59:14,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:14,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 10:59:14,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:14,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 10:59:14,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:14,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 10:59:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:14,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 10:59:14,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:14,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-10 10:59:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:14,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 10:59:14,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:14,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-10 10:59:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:14,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-10 10:59:14,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:14,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 10:59:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:14,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 10:59:14,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:14,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 10:59:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:14,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 10:59:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:14,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-10 10:59:14,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:14,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 10:59:14,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:14,925 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-10 10:59:14,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:59:14,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197659695] [2024-11-10 10:59:14,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197659695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:59:14,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:59:14,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 10:59:14,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825570575] [2024-11-10 10:59:14,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:59:14,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 10:59:14,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:59:14,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 10:59:14,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 10:59:14,952 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) [2024-11-10 10:59:19,091 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 [] [2024-11-10 10:59:23,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.49s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 10:59:26,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:59:26,968 INFO L93 Difference]: Finished difference Result 376 states and 549 transitions. [2024-11-10 10:59:26,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 10:59:26,970 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 125 [2024-11-10 10:59:26,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:59:26,977 INFO L225 Difference]: With dead ends: 376 [2024-11-10 10:59:26,977 INFO L226 Difference]: Without dead ends: 193 [2024-11-10 10:59:26,981 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 10:59:26,983 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 164 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 113 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2024-11-10 10:59:26,983 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 303 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 191 Invalid, 2 Unknown, 0 Unchecked, 11.7s Time] [2024-11-10 10:59:26,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-11-10 10:59:27,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 177. [2024-11-10 10:59:27,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 117 states have (on average 1.2735042735042734) internal successors, (149), 118 states have internal predecessors, (149), 48 states have call successors, (48), 11 states have call predecessors, (48), 11 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-10 10:59:27,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 244 transitions. [2024-11-10 10:59:27,029 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 244 transitions. Word has length 125 [2024-11-10 10:59:27,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:59:27,030 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 244 transitions. [2024-11-10 10:59:27,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2024-11-10 10:59:27,030 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 244 transitions. [2024-11-10 10:59:27,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-10 10:59:27,034 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:59:27,035 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] [2024-11-10 10:59:27,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 10:59:27,035 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:59:27,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:59:27,036 INFO L85 PathProgramCache]: Analyzing trace with hash -301649960, now seen corresponding path program 1 times [2024-11-10 10:59:27,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:59:27,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490917301] [2024-11-10 10:59:27,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:59:27,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms