./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness.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_be32_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 065f95e1f01b1c2bb5cc332c26e118823e72d0e75cb3966f20aacf6dc1740b4a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 19:54:56,232 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 19:54:56,296 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 19:54:56,300 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 19:54:56,301 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 19:54:56,319 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 19:54:56,320 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 19:54:56,321 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 19:54:56,321 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 19:54:56,325 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 19:54:56,325 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 19:54:56,325 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 19:54:56,326 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 19:54:56,326 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 19:54:56,326 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 19:54:56,326 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 19:54:56,327 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 19:54:56,327 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 19:54:56,328 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 19:54:56,328 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 19:54:56,329 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 19:54:56,329 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 19:54:56,329 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 19:54:56,330 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 19:54:56,330 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 19:54:56,330 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 19:54:56,330 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 19:54:56,331 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 19:54:56,331 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 19:54:56,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:54:56,332 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 19:54:56,332 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 19:54:56,332 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 19:54:56,333 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 19:54:56,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 19:54:56,333 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 19:54:56,334 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 19:54:56,334 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 19:54:56,334 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 19:54:56,334 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 065f95e1f01b1c2bb5cc332c26e118823e72d0e75cb3966f20aacf6dc1740b4a [2024-11-16 19:54:56,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 19:54:56,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 19:54:56,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 19:54:56,575 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 19:54:56,575 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 19:54:56,576 INFO L431 ainManager$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.i [2024-11-16 19:54:57,824 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 19:54:58,214 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 19:54:58,216 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness.i [2024-11-16 19:54:58,254 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0749b133/9e2928a5c8024b88bc15b6e8305da343/FLAG0fe33c726 [2024-11-16 19:54:58,388 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0749b133/9e2928a5c8024b88bc15b6e8305da343 [2024-11-16 19:54:58,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 19:54:58,393 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 19:54:58,394 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 19:54:58,394 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 19:54:58,398 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 19:54:58,398 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:54:58" (1/1) ... [2024-11-16 19:54:58,399 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47415054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:58, skipping insertion in model container [2024-11-16 19:54:58,399 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:54:58" (1/1) ... [2024-11-16 19:54:58,492 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 19:54:58,724 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.i[4499,4512] [2024-11-16 19:54:58,731 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.i[4559,4572] [2024-11-16 19:54:59,233 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:59,233 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:59,234 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:59,237 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:59,238 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:59,253 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:59,254 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:59,256 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:59,256 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:59,697 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:59,697 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:59,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:54:59,796 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 19:54:59,808 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.i[4499,4512] [2024-11-16 19:54:59,812 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.i[4559,4572] [2024-11-16 19:54:59,839 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:59,839 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:59,839 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:59,840 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:59,840 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:59,848 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:59,849 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:59,849 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:59,850 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:59,933 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-16 19:54:59,935 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:59,935 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:59,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2024-11-16 19:54:59,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:55:00,187 INFO L204 MainTranslator]: Completed translation [2024-11-16 19:55:00,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:00 WrapperNode [2024-11-16 19:55:00,188 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 19:55:00,189 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 19:55:00,190 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 19:55:00,190 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 19:55:00,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:00" (1/1) ... [2024-11-16 19:55:00,268 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:00" (1/1) ... [2024-11-16 19:55:00,337 INFO L138 Inliner]: procedures = 680, calls = 2639, calls flagged for inlining = 62, calls inlined = 11, statements flattened = 1027 [2024-11-16 19:55:00,338 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 19:55:00,338 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 19:55:00,338 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 19:55:00,339 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 19:55:00,349 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:00" (1/1) ... [2024-11-16 19:55:00,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:00" (1/1) ... [2024-11-16 19:55:00,358 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:00" (1/1) ... [2024-11-16 19:55:00,427 INFO L175 MemorySlicer]: Split 567 memory accesses to 8 slices as follows [2, 257, 8, 248, 37, 6, 4, 5]. 45 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 0, 2, 6, 2, 0, 2, 5]. The 504 writes are split as follows [0, 257, 0, 236, 9, 2, 0, 0]. [2024-11-16 19:55:00,428 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:00" (1/1) ... [2024-11-16 19:55:00,428 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:00" (1/1) ... [2024-11-16 19:55:00,469 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:00" (1/1) ... [2024-11-16 19:55:00,471 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:00" (1/1) ... [2024-11-16 19:55:00,482 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:00" (1/1) ... [2024-11-16 19:55:00,487 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:00" (1/1) ... [2024-11-16 19:55:00,500 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 19:55:00,501 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 19:55:00,501 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 19:55:00,501 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 19:55:00,501 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:00" (1/1) ... [2024-11-16 19:55:00,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:55:00,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:55:00,533 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 19:55:00,537 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 19:55:00,569 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_read [2024-11-16 19:55:00,570 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_read [2024-11-16 19:55:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-16 19:55:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-16 19:55:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 19:55:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 19:55:00,606 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 19:55:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2024-11-16 19:55:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2024-11-16 19:55:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2024-11-16 19:55:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2024-11-16 19:55:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2024-11-16 19:55:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2024-11-16 19:55:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#6 [2024-11-16 19:55:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#7 [2024-11-16 19:55:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-16 19:55:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-16 19:55:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-16 19:55:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-16 19:55:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-16 19:55:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-16 19:55:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-16 19:55:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-16 19:55:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 19:55:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 19:55:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 19:55:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 19:55:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 19:55:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-16 19:55:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-16 19:55:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-16 19:55:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 19:55:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 19:55:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 19:55:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 19:55:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 19:55:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 19:55:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-16 19:55:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-16 19:55:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-16 19:55:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-16 19:55:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-16 19:55:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-16 19:55:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-16 19:55:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-16 19:55:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-16 19:55:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-16 19:55:00,609 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-16 19:55:00,610 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-16 19:55:00,610 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-16 19:55:00,610 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-16 19:55:00,610 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-16 19:55:00,610 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-16 19:55:00,610 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-16 19:55:00,610 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-16 19:55:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 19:55:00,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 19:55:00,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 19:55:00,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 19:55:00,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 19:55:00,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 19:55:00,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 19:55:00,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 19:55:00,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 19:55:00,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-16 19:55:00,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-16 19:55:00,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-16 19:55:00,614 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ntoh32 [2024-11-16 19:55:00,614 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ntoh32 [2024-11-16 19:55:00,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 19:55:00,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 19:55:00,614 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 19:55:00,614 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 19:55:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-16 19:55:00,615 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-16 19:55:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-16 19:55:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-16 19:55:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-16 19:55:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-16 19:55:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-16 19:55:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-16 19:55:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-16 19:55:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-16 19:55:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 19:55:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 19:55:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 19:55:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 19:55:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 19:55:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-16 19:55:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-16 19:55:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-16 19:55:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-16 19:55:00,616 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-16 19:55:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 19:55:00,616 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 19:55:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 19:55:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 19:55:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 19:55:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 19:55:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 19:55:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 19:55:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-16 19:55:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-16 19:55:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-16 19:55:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 19:55:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 19:55:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 19:55:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 19:55:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 19:55:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-16 19:55:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-16 19:55:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-16 19:55:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-16 19:55:00,618 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-16 19:55:00,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 19:55:00,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 19:55:00,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 19:55:00,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 19:55:00,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 19:55:00,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 19:55:00,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-16 19:55:00,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-16 19:55:00,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2024-11-16 19:55:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2024-11-16 19:55:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2024-11-16 19:55:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2024-11-16 19:55:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2024-11-16 19:55:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2024-11-16 19:55:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#6 [2024-11-16 19:55:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#7 [2024-11-16 19:55:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 19:55:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 19:55:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 19:55:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 19:55:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 19:55:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 19:55:00,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-16 19:55:00,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-16 19:55:00,896 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 19:55:00,899 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 19:55:00,931 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-16 19:55:01,125 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8360: call ULTIMATE.dealloc(~#slice~0#1.base, ~#slice~0#1.offset);havoc ~#slice~0#1.base, ~#slice~0#1.offset; [2024-11-16 19:55:01,125 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8353: 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 19:55:01,145 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-16 19:55:01,150 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6900: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2024-11-16 19:55:01,190 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7387: 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 19:55:01,620 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3992: havoc #t~nondet262; [2024-11-16 19:55:01,622 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 19:55:08,821 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2024-11-16 19:55:08,908 INFO L? ?]: Removed 248 outVars from TransFormulas that were not future-live. [2024-11-16 19:55:08,908 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 19:55:08,932 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 19:55:08,933 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 19:55:08,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:55:08 BoogieIcfgContainer [2024-11-16 19:55:08,934 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 19:55:08,936 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 19:55:08,936 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 19:55:08,938 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 19:55:08,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:54:58" (1/3) ... [2024-11-16 19:55:08,939 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63eef4bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:55:08, skipping insertion in model container [2024-11-16 19:55:08,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:00" (2/3) ... [2024-11-16 19:55:08,939 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63eef4bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:55:08, skipping insertion in model container [2024-11-16 19:55:08,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:55:08" (3/3) ... [2024-11-16 19:55:08,942 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_read_be32_harness.i [2024-11-16 19:55:08,954 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 19:55:08,955 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 19:55:09,008 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 19:55:09,013 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;@7648b836, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 19:55:09,015 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 19:55:09,023 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 19:55:09,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-16 19:55:09,037 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:55:09,037 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 19:55:09,038 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:55:09,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:55:09,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1359357602, now seen corresponding path program 1 times [2024-11-16 19:55:09,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:55:09,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388681677] [2024-11-16 19:55:09,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:55:09,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:56:21,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:22,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:56:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:22,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:56:22,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:22,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 19:56:22,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:22,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-16 19:56:22,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:22,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-16 19:56:22,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:22,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 19:56:22,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:22,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 19:56:22,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:22,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 19:56:22,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:22,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 19:56:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:22,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-16 19:56:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:22,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-16 19:56:22,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:22,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-16 19:56:22,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:22,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-16 19:56:22,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:22,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 19:56:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:22,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 19:56:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:22,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 19:56:22,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:22,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 19:56:22,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:22,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-16 19:56:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:22,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 19:56:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:22,641 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 19:56:22,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:56:22,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388681677] [2024-11-16 19:56:22,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388681677] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:56:22,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 19:56:22,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 19:56:22,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573634789] [2024-11-16 19:56:22,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:56:22,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 19:56:22,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:56:22,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 19:56:22,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 19:56:22,671 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 19:56:26,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 19:56:31,262 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 [] [2024-11-16 19:56:34,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 19:56:34,584 INFO L93 Difference]: Finished difference Result 376 states and 549 transitions. [2024-11-16 19:56:34,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 19:56:34,586 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 [2024-11-16 19:56:34,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 19:56:34,597 INFO L225 Difference]: With dead ends: 376 [2024-11-16 19:56:34,597 INFO L226 Difference]: Without dead ends: 193 [2024-11-16 19:56:34,600 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 [2024-11-16 19:56:34,603 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, 11.6s IncrementalHoareTripleChecker+Time [2024-11-16 19:56:34,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 303 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 191 Invalid, 2 Unknown, 0 Unchecked, 11.6s Time] [2024-11-16 19:56:34,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-11-16 19:56:34,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 177. [2024-11-16 19:56:34,645 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) [2024-11-16 19:56:34,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 244 transitions. [2024-11-16 19:56:34,651 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 244 transitions. Word has length 125 [2024-11-16 19:56:34,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 19:56:34,651 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 244 transitions. [2024-11-16 19:56:34,652 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) [2024-11-16 19:56:34,652 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 244 transitions. [2024-11-16 19:56:34,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-16 19:56:34,654 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:56:34,654 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 19:56:34,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 19:56:34,655 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:56:34,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:56:34,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1290988191, now seen corresponding path program 1 times [2024-11-16 19:56:34,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:56:34,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425847985] [2024-11-16 19:56:34,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:56:34,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms