./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness_negated.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_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 405c1ec90d5a90e81495140f9bf47a8a22bd7e0c555d7b6deaec7143608df286 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 02:38:03,492 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:38:03,547 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:38:03,552 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:38:03,552 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:38:03,575 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:38:03,576 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:38:03,576 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:38:03,576 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:38:03,577 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:38:03,577 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:38:03,577 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:38:03,578 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:38:03,578 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:38:03,578 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:38:03,578 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:38:03,578 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:38:03,578 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:38:03,579 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:38:03,579 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:38:03,579 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:38:03,579 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:38:03,579 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:38:03,579 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:38:03,579 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:38:03,579 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:38:03,579 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:38:03,579 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:38:03,579 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:38:03,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:38:03,580 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:38:03,580 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:38:03,580 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:38:03,580 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:38:03,580 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:38:03,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:38:03,580 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:38:03,580 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:38:03,580 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:38:03,580 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:38:03,581 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 -> 405c1ec90d5a90e81495140f9bf47a8a22bd7e0c555d7b6deaec7143608df286 [2025-03-04 02:38:03,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:38:03,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:38:03,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:38:03,813 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:38:03,813 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:38:03,814 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness_negated.i [2025-03-04 02:38:04,956 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a785c5b23/ecbbba5eda2149c0b1a5ae76a1861264/FLAG420117559 [2025-03-04 02:38:05,410 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:38:05,411 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness_negated.i [2025-03-04 02:38:05,442 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a785c5b23/ecbbba5eda2149c0b1a5ae76a1861264/FLAG420117559 [2025-03-04 02:38:05,520 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a785c5b23/ecbbba5eda2149c0b1a5ae76a1861264 [2025-03-04 02:38:05,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:38:05,523 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:38:05,524 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:38:05,525 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:38:05,528 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:38:05,529 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:38:05" (1/1) ... [2025-03-04 02:38:05,529 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d55c852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:05, skipping insertion in model container [2025-03-04 02:38:05,530 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:38:05" (1/1) ... [2025-03-04 02:38:05,594 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:38:05,767 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_negated.i[4490,4503] [2025-03-04 02:38:05,773 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_negated.i[4550,4563] [2025-03-04 02:38:06,201 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:06,202 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:06,202 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:06,203 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:06,203 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:06,213 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:06,213 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:06,215 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:06,215 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:06,609 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:06,609 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:06,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:38:06,729 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:38:06,739 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_negated.i[4490,4503] [2025-03-04 02:38:06,743 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_negated.i[4550,4563] [2025-03-04 02:38:06,776 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:06,776 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:06,777 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:06,777 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:06,778 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:06,782 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:06,783 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:06,783 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:06,786 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:06,868 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2025-03-04 02:38:06,870 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:06,870 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:06,882 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2025-03-04 02:38:06,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:38:07,051 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:38:07,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:07 WrapperNode [2025-03-04 02:38:07,052 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:38:07,053 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:38:07,053 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:38:07,053 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:38:07,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:07" (1/1) ... [2025-03-04 02:38:07,108 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:07" (1/1) ... [2025-03-04 02:38:07,195 INFO L138 Inliner]: procedures = 680, calls = 2722, calls flagged for inlining = 59, calls inlined = 8, statements flattened = 1083 [2025-03-04 02:38:07,196 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:38:07,196 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:38:07,196 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:38:07,196 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:38:07,205 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:07" (1/1) ... [2025-03-04 02:38:07,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:07" (1/1) ... [2025-03-04 02:38:07,212 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:07" (1/1) ... [2025-03-04 02:38:07,273 INFO L175 MemorySlicer]: Split 627 memory accesses to 8 slices as follows [257, 2, 87, 17, 246, 8, 6, 4]. 41 percent of accesses are in the largest equivalence class. The 47 initializations are split as follows [0, 2, 28, 2, 11, 4, 0, 0]. The 500 writes are split as follows [257, 0, 3, 2, 233, 0, 2, 3]. [2025-03-04 02:38:07,273 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:07" (1/1) ... [2025-03-04 02:38:07,274 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:07" (1/1) ... [2025-03-04 02:38:07,302 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:07" (1/1) ... [2025-03-04 02:38:07,305 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:07" (1/1) ... [2025-03-04 02:38:07,312 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:07" (1/1) ... [2025-03-04 02:38:07,315 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:07" (1/1) ... [2025-03-04 02:38:07,324 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:38:07,328 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:38:07,328 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:38:07,328 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:38:07,328 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:07" (1/1) ... [2025-03-04 02:38:07,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:38:07,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:38:07,359 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 02:38:07,362 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 02:38:07,380 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-04 02:38:07,381 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-04 02:38:07,381 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-04 02:38:07,381 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-04 02:38:07,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:38:07,382 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 02:38:07,382 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 02:38:07,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2025-03-04 02:38:07,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2025-03-04 02:38:07,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2025-03-04 02:38:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2025-03-04 02:38:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2025-03-04 02:38:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2025-03-04 02:38:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#6 [2025-03-04 02:38:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#7 [2025-03-04 02:38:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-04 02:38:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-04 02:38:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-04 02:38:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-04 02:38:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-04 02:38:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-04 02:38:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-04 02:38:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-04 02:38:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 02:38:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 02:38:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 02:38:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 02:38:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 02:38:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 02:38:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 02:38:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-04 02:38:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 02:38:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 02:38:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 02:38:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 02:38:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 02:38:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 02:38:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 02:38:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-04 02:38:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-03-04 02:38:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-03-04 02:38:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-03-04 02:38:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-03-04 02:38:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-03-04 02:38:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-03-04 02:38:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-03-04 02:38:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-03-04 02:38:07,386 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-03-04 02:38:07,386 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-03-04 02:38:07,386 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-03-04 02:38:07,386 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-03-04 02:38:07,386 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-03-04 02:38:07,386 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-03-04 02:38:07,386 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-03-04 02:38:07,386 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-03-04 02:38:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-04 02:38:07,387 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-04 02:38:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:38:07,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:38:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:38:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:38:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-03-04 02:38:07,388 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-03-04 02:38:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 02:38:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 02:38:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 02:38:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 02:38:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 02:38:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 02:38:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 02:38:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-04 02:38:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2025-03-04 02:38:07,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2025-03-04 02:38:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:38:07,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:38:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:38:07,388 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:38:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-04 02:38:07,388 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-04 02:38:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-04 02:38:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-04 02:38:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-04 02:38:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-04 02:38:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-04 02:38:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-04 02:38:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-04 02:38:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-04 02:38:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 02:38:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 02:38:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 02:38:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 02:38:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 02:38:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 02:38:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 02:38:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-04 02:38:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:38:07,388 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:38:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:38:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 02:38:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 02:38:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 02:38:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 02:38:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 02:38:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 02:38:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 02:38:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-04 02:38:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 02:38:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 02:38:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 02:38:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 02:38:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 02:38:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 02:38:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 02:38:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-04 02:38:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 02:38:07,389 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 02:38:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2025-03-04 02:38:07,389 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2025-03-04 02:38:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 02:38:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 02:38:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 02:38:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 02:38:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 02:38:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 02:38:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 02:38:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-04 02:38:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2025-03-04 02:38:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2025-03-04 02:38:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2025-03-04 02:38:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2025-03-04 02:38:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2025-03-04 02:38:07,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2025-03-04 02:38:07,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#6 [2025-03-04 02:38:07,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#7 [2025-03-04 02:38:07,391 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2025-03-04 02:38:07,391 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2025-03-04 02:38:07,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 02:38:07,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 02:38:07,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 02:38:07,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 02:38:07,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 02:38:07,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 02:38:07,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 02:38:07,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-04 02:38:07,680 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:38:07,682 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:38:07,705 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 02:38:07,773 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7353: 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 02:38:07,783 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc #t~mem477; [2025-03-04 02:38:07,801 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7363: 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 02:38:08,187 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-04 02:38:08,285 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 02:38:15,476 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8216: 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 02:38:15,476 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7863: havoc aws_byte_buf_append_#t~ret873#1; [2025-03-04 02:38:15,548 INFO L? ?]: Removed 228 outVars from TransFormulas that were not future-live. [2025-03-04 02:38:15,549 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:38:15,558 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:38:15,561 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:38:15,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:38:15 BoogieIcfgContainer [2025-03-04 02:38:15,561 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:38:15,563 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:38:15,563 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:38:15,567 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:38:15,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:38:05" (1/3) ... [2025-03-04 02:38:15,567 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dbe3b08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:38:15, skipping insertion in model container [2025-03-04 02:38:15,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:07" (2/3) ... [2025-03-04 02:38:15,568 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dbe3b08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:38:15, skipping insertion in model container [2025-03-04 02:38:15,568 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:38:15" (3/3) ... [2025-03-04 02:38:15,568 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_cat_harness_negated.i [2025-03-04 02:38:15,578 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:38:15,579 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_cat_harness_negated.i that has 22 procedures, 245 locations, 1 initial locations, 17 loop locations, and 1 error locations. [2025-03-04 02:38:15,621 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:38:15,631 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;@77458ba0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:38:15,631 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:38:15,635 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 02:38:15,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2025-03-04 02:38:15,650 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:38:15,651 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 02:38:15,651 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:38:15,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:38:15,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1130154883, now seen corresponding path program 1 times [2025-03-04 02:38:15,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:38:15,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716320212] [2025-03-04 02:38:15,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:38:15,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:39:24,130 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 211 statements into 1 equivalence classes. [2025-03-04 02:39:24,594 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 211 of 211 statements. [2025-03-04 02:39:24,594 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:39:24,594 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:39:25,362 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 02:39:25,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:39:25,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716320212] [2025-03-04 02:39:25,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716320212] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:39:25,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1502022309] [2025-03-04 02:39:25,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:39:25,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:39:25,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:39:25,366 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 02:39:25,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process