./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.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 f6da3aa04741dedcde0205dc04a8136a445ebd58b30adbc60377ecda455d64bb --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 07:07:22,624 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:07:22,676 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:07:22,680 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:07:22,680 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:07:22,695 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:07:22,695 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:07:22,695 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:07:22,696 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:07:22,696 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:07:22,696 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:07:22,696 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:07:22,696 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:07:22,696 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:07:22,696 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:07:22,696 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:07:22,696 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:07:22,696 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:07:22,696 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:07:22,696 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:07:22,696 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:07:22,696 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:07:22,696 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:07:22,696 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:07:22,697 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:07:22,697 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:07:22,697 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:07:22,697 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:07:22,697 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:07:22,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:07:22,697 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:07:22,697 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:07:22,697 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:07:22,698 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:07:22,698 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:07:22,698 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:07:22,698 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:07:22,698 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:07:22,698 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:07:22,698 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:07:22,698 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> f6da3aa04741dedcde0205dc04a8136a445ebd58b30adbc60377ecda455d64bb [2025-03-17 07:07:22,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:07:22,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:07:22,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:07:22,935 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:07:22,935 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:07:22,937 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i [2025-03-17 07:07:24,057 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cdde58c0/1b986f41a88d45178270412075891556/FLAG8df64f325 [2025-03-17 07:07:24,551 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:07:24,554 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i [2025-03-17 07:07:24,594 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cdde58c0/1b986f41a88d45178270412075891556/FLAG8df64f325 [2025-03-17 07:07:24,610 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cdde58c0/1b986f41a88d45178270412075891556 [2025-03-17 07:07:24,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:07:24,613 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:07:24,614 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:07:24,615 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:07:24,617 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:07:24,618 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:07:24" (1/1) ... [2025-03-17 07:07:24,619 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d186ba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:24, skipping insertion in model container [2025-03-17 07:07:24,619 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:07:24" (1/1) ... [2025-03-17 07:07:24,690 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:07:24,860 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i[4499,4512] [2025-03-17 07:07:24,867 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i[4559,4572] [2025-03-17 07:07:25,305 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:25,306 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:25,306 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:25,307 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:25,307 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:25,318 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:25,318 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:25,322 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:25,323 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:25,818 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:25,818 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:25,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:07:25,952 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:07:25,962 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i[4499,4512] [2025-03-17 07:07:25,963 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i[4559,4572] [2025-03-17 07:07:26,002 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:26,002 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:26,002 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:26,003 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:26,003 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:26,007 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:26,008 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:26,008 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:26,008 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:26,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2025-03-17 07:07:26,104 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:26,105 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:26,116 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2025-03-17 07:07:26,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:07:26,303 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:07:26,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:26 WrapperNode [2025-03-17 07:07:26,304 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:07:26,306 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:07:26,306 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:07:26,306 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:07:26,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:26" (1/1) ... [2025-03-17 07:07:26,397 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:26" (1/1) ... [2025-03-17 07:07:26,481 INFO L138 Inliner]: procedures = 680, calls = 2639, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 1027 [2025-03-17 07:07:26,481 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:07:26,482 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:07:26,482 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:07:26,482 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:07:26,490 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:26" (1/1) ... [2025-03-17 07:07:26,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:26" (1/1) ... [2025-03-17 07:07:26,505 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:26" (1/1) ... [2025-03-17 07:07:26,569 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]. [2025-03-17 07:07:26,569 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:26" (1/1) ... [2025-03-17 07:07:26,570 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:26" (1/1) ... [2025-03-17 07:07:26,607 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:26" (1/1) ... [2025-03-17 07:07:26,610 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:26" (1/1) ... [2025-03-17 07:07:26,617 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:26" (1/1) ... [2025-03-17 07:07:26,621 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:26" (1/1) ... [2025-03-17 07:07:26,631 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:07:26,632 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:07:26,632 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:07:26,632 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:07:26,633 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:26" (1/1) ... [2025-03-17 07:07:26,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:07:26,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:07:26,662 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) [2025-03-17 07:07:26,667 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 [2025-03-17 07:07:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_read [2025-03-17 07:07:26,685 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_read [2025-03-17 07:07:26,685 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-17 07:07:26,685 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-17 07:07:26,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:07:26,685 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 07:07:26,685 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 07:07:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2025-03-17 07:07:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2025-03-17 07:07:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2025-03-17 07:07:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2025-03-17 07:07:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2025-03-17 07:07:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2025-03-17 07:07:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#6 [2025-03-17 07:07:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#7 [2025-03-17 07:07:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-17 07:07:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-17 07:07:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-17 07:07:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-17 07:07:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-17 07:07:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-17 07:07:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-17 07:07:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-17 07:07:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:07:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:07:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:07:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:07:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:07:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 07:07:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 07:07:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-17 07:07:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:07:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:07:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:07:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:07:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:07:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 07:07:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 07:07:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-17 07:07:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-03-17 07:07:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-03-17 07:07:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-03-17 07:07:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-03-17 07:07:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-03-17 07:07:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-03-17 07:07:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-03-17 07:07:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-03-17 07:07:26,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-03-17 07:07:26,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-03-17 07:07:26,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-03-17 07:07:26,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-03-17 07:07:26,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-03-17 07:07:26,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-03-17 07:07:26,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-03-17 07:07:26,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-03-17 07:07:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:07:26,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:07:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:07:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ntoh16 [2025-03-17 07:07:26,688 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ntoh16 [2025-03-17 07:07:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:07:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:07:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:07:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:07:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:07:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:07:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 07:07:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 07:07:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-17 07:07:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:07:26,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:07:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:07:26,688 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:07:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-17 07:07:26,688 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-17 07:07:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-17 07:07:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-17 07:07:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-17 07:07:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-17 07:07:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-17 07:07:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-17 07:07:26,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-17 07:07:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-17 07:07:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:07:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:07:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:07:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:07:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:07:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 07:07:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 07:07:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-17 07:07:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-17 07:07:26,694 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-17 07:07:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:07:26,694 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:07:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:07:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 07:07:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 07:07:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 07:07:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 07:07:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 07:07:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 07:07:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 07:07:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-17 07:07:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:07:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:07:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:07:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:07:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:07:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 07:07:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-17 07:07:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-17 07:07:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-17 07:07:26,694 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-17 07:07:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:07:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:07:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:07:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:07:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:07:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 07:07:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 07:07:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-17 07:07:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2025-03-17 07:07:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2025-03-17 07:07:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2025-03-17 07:07:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2025-03-17 07:07:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2025-03-17 07:07:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2025-03-17 07:07:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#6 [2025-03-17 07:07:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#7 [2025-03-17 07:07:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:07:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:07:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:07:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:07:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:07:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 07:07:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 07:07:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-17 07:07:27,028 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:07:27,031 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:07:27,075 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-17 07:07:27,268 INFO L1322 $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; [2025-03-17 07:07:27,269 INFO L1322 $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; [2025-03-17 07:07:27,286 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-17 07:07:27,294 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6900: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2025-03-17 07:07:27,332 INFO L1322 $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; [2025-03-17 07:07:27,804 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L4052: havoc #t~nondet270; [2025-03-17 07:07:27,929 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 07:07:34,522 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-17 07:07:34,609 INFO L? ?]: Removed 244 outVars from TransFormulas that were not future-live. [2025-03-17 07:07:34,609 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:07:34,627 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:07:34,628 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:07:34,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:07:34 BoogieIcfgContainer [2025-03-17 07:07:34,628 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:07:34,630 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:07:34,630 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:07:34,634 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:07:34,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:07:24" (1/3) ... [2025-03-17 07:07:34,635 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@462ffea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:07:34, skipping insertion in model container [2025-03-17 07:07:34,635 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:26" (2/3) ... [2025-03-17 07:07:34,635 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@462ffea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:07:34, skipping insertion in model container [2025-03-17 07:07:34,635 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:07:34" (3/3) ... [2025-03-17 07:07:34,636 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_read_be16_harness.i [2025-03-17 07:07:34,648 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:07:34,649 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_read_be16_harness.i that has 19 procedures, 210 locations, 1 initial locations, 16 loop locations, and 1 error locations. [2025-03-17 07:07:34,724 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:07:34,733 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;@602deae9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:07:34,735 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:07:34,739 INFO L276 IsEmpty]: Start isEmpty. Operand has 175 states, 114 states have (on average 1.2982456140350878) internal successors, (148), 115 states have internal predecessors, (148), 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) [2025-03-17 07:07:34,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-03-17 07:07:34,748 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:07:34,749 INFO L218 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] [2025-03-17 07:07:34,749 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:07:34,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:07:34,754 INFO L85 PathProgramCache]: Analyzing trace with hash -349795572, now seen corresponding path program 1 times [2025-03-17 07:07:34,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:07:34,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072074922] [2025-03-17 07:07:34,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:07:34,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:08:44,276 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-03-17 07:08:44,843 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-03-17 07:08:44,843 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:08:44,843 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:08:47,585 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2025-03-17 07:08:47,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:08:47,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072074922] [2025-03-17 07:08:47,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072074922] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:08:47,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1920372664] [2025-03-17 07:08:47,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:08:47,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:08:47,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:08:47,590 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:08:47,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process