./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 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_buf_cat_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 19d158b21d92d4655e874a970c31120f676a50dd3149e2b62ecc8e8738919e4f --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 02:37:55,202 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:37:55,264 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:37:55,271 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:37:55,274 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:37:55,295 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:37:55,296 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:37:55,297 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:37:55,297 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:37:55,297 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:37:55,297 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:37:55,297 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:37:55,298 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:37:55,298 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:37:55,298 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:37:55,298 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:37:55,299 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:37:55,299 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:37:55,299 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:37:55,299 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:37:55,299 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:37:55,299 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:37:55,299 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:37:55,299 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:37:55,299 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:37:55,299 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:37:55,299 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:37:55,300 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:37:55,300 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:37:55,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:37:55,300 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:37:55,300 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:37:55,300 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:37:55,300 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:37:55,300 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:37:55,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:37:55,300 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:37:55,300 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:37:55,300 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:37:55,300 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:37:55,300 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 -> 19d158b21d92d4655e874a970c31120f676a50dd3149e2b62ecc8e8738919e4f [2025-03-04 02:37:55,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:37:55,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:37:55,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:37:55,532 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:37:55,532 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:37:55,534 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i [2025-03-04 02:37:56,689 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/124e0cdea/648f826b6bc44d6f807fad3a4314458d/FLAG2db095de3 [2025-03-04 02:37:57,177 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:37:57,178 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i [2025-03-04 02:37:57,213 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/124e0cdea/648f826b6bc44d6f807fad3a4314458d/FLAG2db095de3 [2025-03-04 02:37:57,280 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/124e0cdea/648f826b6bc44d6f807fad3a4314458d [2025-03-04 02:37:57,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:37:57,284 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:37:57,285 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:37:57,285 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:37:57,288 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:37:57,289 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:37:57" (1/1) ... [2025-03-04 02:37:57,290 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4396e14b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:57, skipping insertion in model container [2025-03-04 02:37:57,290 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:37:57" (1/1) ... [2025-03-04 02:37:57,367 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:37:57,626 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i[4490,4503] [2025-03-04 02:37:57,633 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i[4550,4563] [2025-03-04 02:37:58,322 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:58,323 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:58,323 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:58,323 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:58,324 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:58,335 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:58,335 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:58,336 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:58,337 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:58,929 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:58,930 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:58,984 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:37:59,029 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:37:59,038 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i[4490,4503] [2025-03-04 02:37:59,038 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i[4550,4563] [2025-03-04 02:37:59,078 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:59,081 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:59,082 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:59,082 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:59,082 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:59,086 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:59,090 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:59,092 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:59,093 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:59,185 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2025-03-04 02:37:59,187 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:59,187 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:59,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2025-03-04 02:37:59,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:37:59,380 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:37:59,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:59 WrapperNode [2025-03-04 02:37:59,382 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:37:59,383 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:37:59,383 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:37:59,383 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:37:59,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:59" (1/1) ... [2025-03-04 02:37:59,460 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:59" (1/1) ... [2025-03-04 02:37:59,514 INFO L138 Inliner]: procedures = 680, calls = 2722, calls flagged for inlining = 59, calls inlined = 8, statements flattened = 1083 [2025-03-04 02:37:59,515 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:37:59,516 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:37:59,516 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:37:59,516 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:37:59,530 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:59" (1/1) ... [2025-03-04 02:37:59,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:59" (1/1) ... [2025-03-04 02:37:59,538 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:59" (1/1) ... [2025-03-04 02:37:59,596 INFO L175 MemorySlicer]: Split 627 memory accesses to 8 slices as follows [2, 257, 6, 87, 8, 17, 246, 4]. 41 percent of accesses are in the largest equivalence class. The 47 initializations are split as follows [2, 0, 0, 28, 4, 2, 11, 0]. The 500 writes are split as follows [0, 257, 2, 3, 0, 2, 233, 3]. [2025-03-04 02:37:59,596 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:59" (1/1) ... [2025-03-04 02:37:59,596 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:59" (1/1) ... [2025-03-04 02:37:59,634 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:59" (1/1) ... [2025-03-04 02:37:59,641 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:59" (1/1) ... [2025-03-04 02:37:59,656 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:59" (1/1) ... [2025-03-04 02:37:59,663 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:59" (1/1) ... [2025-03-04 02:37:59,675 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:37:59,677 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:37:59,678 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:37:59,678 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:37:59,679 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:59" (1/1) ... [2025-03-04 02:37:59,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:37:59,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:37:59,706 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) [2025-03-04 02:37:59,709 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 [2025-03-04 02:37:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-04 02:37:59,728 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-04 02:37:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-04 02:37:59,728 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-04 02:37:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:37:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 02:37:59,728 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 02:37:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2025-03-04 02:37:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2025-03-04 02:37:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2025-03-04 02:37:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2025-03-04 02:37:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2025-03-04 02:37:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2025-03-04 02:37:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#6 [2025-03-04 02:37:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#7 [2025-03-04 02:37:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-04 02:37:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-04 02:37:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-04 02:37:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-04 02:37:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-04 02:37:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-04 02:37:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-04 02:37:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-04 02:37:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 02:37:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 02:37:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 02:37:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 02:37:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 02:37:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 02:37:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 02:37:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-04 02:37:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 02:37:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 02:37:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 02:37:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 02:37:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 02:37:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 02:37:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 02:37:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-04 02:37:59,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-03-04 02:37:59,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-03-04 02:37:59,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-03-04 02:37:59,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-03-04 02:37:59,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-03-04 02:37:59,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-03-04 02:37:59,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-03-04 02:37:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-03-04 02:37:59,732 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-03-04 02:37:59,732 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-03-04 02:37:59,732 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-03-04 02:37:59,732 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-03-04 02:37:59,732 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-03-04 02:37:59,732 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-03-04 02:37:59,732 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-03-04 02:37:59,732 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-03-04 02:37:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-04 02:37:59,732 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-04 02:37:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:37:59,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:37:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:37:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:37:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-03-04 02:37:59,732 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-03-04 02:37:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 02:37:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 02:37:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 02:37:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 02:37:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 02:37:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 02:37:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 02:37:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-04 02:37:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2025-03-04 02:37:59,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2025-03-04 02:37:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:37:59,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:37:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:37:59,732 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:37:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-04 02:37:59,732 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-04 02:37:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-04 02:37:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-04 02:37:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-04 02:37:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-04 02:37:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-04 02:37:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-04 02:37:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-04 02:37:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-04 02:37:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 02:37:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 02:37:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 02:37:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 02:37:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 02:37:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 02:37:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 02:37:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-04 02:37:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:37:59,733 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:37:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:37:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 02:37:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 02:37:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 02:37:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 02:37:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 02:37:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 02:37:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 02:37:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-04 02:37:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 02:37:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 02:37:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 02:37:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 02:37:59,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 02:37:59,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 02:37:59,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 02:37:59,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-04 02:37:59,734 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 02:37:59,735 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 02:37:59,735 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2025-03-04 02:37:59,735 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2025-03-04 02:37:59,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 02:37:59,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 02:37:59,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 02:37:59,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 02:37:59,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 02:37:59,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 02:37:59,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 02:37:59,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-04 02:37:59,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2025-03-04 02:37:59,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2025-03-04 02:37:59,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2025-03-04 02:37:59,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2025-03-04 02:37:59,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2025-03-04 02:37:59,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2025-03-04 02:37:59,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#6 [2025-03-04 02:37:59,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#7 [2025-03-04 02:37:59,736 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2025-03-04 02:37:59,736 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2025-03-04 02:37:59,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 02:37:59,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 02:37:59,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 02:37:59,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 02:37:59,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 02:37:59,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 02:37:59,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 02:37:59,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-04 02:38:00,024 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:38:00,026 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:38:00,067 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 02:38:00,128 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7385: havoc #t~mem679;havoc #t~mem680;havoc #t~short681;havoc #t~mem682.base, #t~mem682.offset;havoc #t~short683;havoc #t~mem684;havoc #t~mem685;havoc #t~mem686;havoc #t~short687;havoc #t~mem688;havoc #t~mem689.base, #t~mem689.offset;havoc #t~short690;havoc #t~short691;havoc #t~short692;havoc #t~short693; [2025-03-04 02:38:00,145 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc #t~mem477; [2025-03-04 02:38:00,167 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7395: havoc #t~mem694;havoc #t~mem695;havoc #t~mem696.base, #t~mem696.offset;havoc #t~short697;havoc #t~mem698;havoc #t~mem699.base, #t~mem699.offset;havoc #t~short700;havoc #t~short701;havoc #t~short702;havoc #t~short703; [2025-03-04 02:38:00,494 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-04 02:38:00,624 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 02:38:08,071 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8248: havoc aws_byte_cursor_from_buf_#t~mem1072#1;havoc aws_byte_cursor_from_buf_#t~mem1073#1.base, aws_byte_cursor_from_buf_#t~mem1073#1.offset;call ULTIMATE.dealloc(aws_byte_cursor_from_buf_~#cur~0#1.base, aws_byte_cursor_from_buf_~#cur~0#1.offset);havoc aws_byte_cursor_from_buf_~#cur~0#1.base, aws_byte_cursor_from_buf_~#cur~0#1.offset; [2025-03-04 02:38:08,071 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7895: havoc aws_byte_buf_append_#t~ret873#1; [2025-03-04 02:38:08,170 INFO L? ?]: Removed 228 outVars from TransFormulas that were not future-live. [2025-03-04 02:38:08,171 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:38:08,180 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:38:08,180 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:38:08,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:38:08 BoogieIcfgContainer [2025-03-04 02:38:08,181 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:38:08,182 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:38:08,183 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:38:08,186 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:38:08,186 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:37:57" (1/3) ... [2025-03-04 02:38:08,187 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39c844e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:38:08, skipping insertion in model container [2025-03-04 02:38:08,187 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:59" (2/3) ... [2025-03-04 02:38:08,187 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39c844e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:38:08, skipping insertion in model container [2025-03-04 02:38:08,187 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:38:08" (3/3) ... [2025-03-04 02:38:08,188 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_cat_harness.i [2025-03-04 02:38:08,199 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:38:08,200 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_cat_harness.i that has 22 procedures, 245 locations, 1 initial locations, 17 loop locations, and 1 error locations. [2025-03-04 02:38:08,246 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:38:08,254 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;@44465bda, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:38:08,255 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:38:08,259 INFO L276 IsEmpty]: Start isEmpty. Operand has 210 states, 122 states have (on average 1.221311475409836) internal successors, (149), 123 states have internal predecessors, (149), 72 states have call successors, (72), 14 states have call predecessors, (72), 14 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2025-03-04 02:38:08,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2025-03-04 02:38:08,273 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:38:08,274 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 02:38:08,274 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:38:08,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:38:08,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1130154883, now seen corresponding path program 1 times [2025-03-04 02:38:08,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:38:08,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469199338] [2025-03-04 02:38:08,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:38:08,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:39:15,811 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 211 statements into 1 equivalence classes. [2025-03-04 02:39:16,316 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 211 of 211 statements. [2025-03-04 02:39:16,316 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:39:16,317 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:39:17,043 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2025-03-04 02:39:17,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:39:17,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469199338] [2025-03-04 02:39:17,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469199338] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:39:17,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561869498] [2025-03-04 02:39:17,044 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:39:17,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:39:17,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:39:17,047 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) [2025-03-04 02:39:17,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process