./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed 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_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 df84751ae907cf8e2f81d69c2889b453b5ccdd1cae9e7b45e78c48443104a63e --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 18:00:00,487 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 18:00:00,546 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 18:00:00,551 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 18:00:00,552 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 18:00:00,573 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 18:00:00,574 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 18:00:00,575 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 18:00:00,575 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 18:00:00,575 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 18:00:00,576 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 18:00:00,576 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 18:00:00,576 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 18:00:00,576 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 18:00:00,577 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 18:00:00,577 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 18:00:00,577 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 18:00:00,577 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 18:00:00,577 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 18:00:00,577 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 18:00:00,577 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 18:00:00,577 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 18:00:00,578 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 18:00:00,578 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 18:00:00,578 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 18:00:00,578 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 18:00:00,578 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 18:00:00,578 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 18:00:00,578 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 18:00:00,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:00:00,578 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 18:00:00,578 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 18:00:00,578 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 18:00:00,578 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 18:00:00,578 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 18:00:00,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 18:00:00,578 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 18:00:00,579 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 18:00:00,579 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 18:00:00,579 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 18:00:00,579 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 -> df84751ae907cf8e2f81d69c2889b453b5ccdd1cae9e7b45e78c48443104a63e [2025-03-08 18:00:00,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 18:00:00,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 18:00:00,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 18:00:00,812 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 18:00:00,812 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 18:00:00,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness_negated.i [2025-03-08 18:00:01,938 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c61b95349/5ed9206d62fb4f559870c8d5059f5583/FLAG34b43359e [2025-03-08 18:00:02,369 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 18:00:02,370 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness_negated.i [2025-03-08 18:00:02,399 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c61b95349/5ed9206d62fb4f559870c8d5059f5583/FLAG34b43359e [2025-03-08 18:00:02,410 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c61b95349/5ed9206d62fb4f559870c8d5059f5583 [2025-03-08 18:00:02,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 18:00:02,413 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 18:00:02,416 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 18:00:02,416 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 18:00:02,419 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 18:00:02,419 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:00:02" (1/1) ... [2025-03-08 18:00:02,420 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ebf33d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:00:02, skipping insertion in model container [2025-03-08 18:00:02,420 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:00:02" (1/1) ... [2025-03-08 18:00:02,516 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 18:00:02,688 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_negated.i[4499,4512] [2025-03-08 18:00:02,697 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_negated.i[4559,4572] [2025-03-08 18:00:03,181 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:03,185 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:03,185 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:03,186 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:03,186 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:03,200 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:03,200 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:03,201 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:03,202 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:03,621 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:03,621 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:03,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:00:03,770 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 18:00:03,784 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_negated.i[4499,4512] [2025-03-08 18:00:03,784 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_negated.i[4559,4572] [2025-03-08 18:00:03,820 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:03,821 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:03,821 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:03,821 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:03,821 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:03,831 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:03,832 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:03,833 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:03,833 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:03,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2025-03-08 18:00:03,939 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:03,939 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:03,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2025-03-08 18:00:03,963 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:00:04,158 INFO L204 MainTranslator]: Completed translation [2025-03-08 18:00:04,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:00:04 WrapperNode [2025-03-08 18:00:04,159 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 18:00:04,160 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 18:00:04,160 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 18:00:04,160 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 18:00:04,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:00:04" (1/1) ... [2025-03-08 18:00:04,225 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:00:04" (1/1) ... [2025-03-08 18:00:04,319 INFO L138 Inliner]: procedures = 680, calls = 2639, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 1027 [2025-03-08 18:00:04,320 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 18:00:04,320 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 18:00:04,320 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 18:00:04,321 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 18:00:04,329 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:00:04" (1/1) ... [2025-03-08 18:00:04,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:00:04" (1/1) ... [2025-03-08 18:00:04,336 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:00:04" (1/1) ... [2025-03-08 18:00:04,400 INFO L175 MemorySlicer]: Split 567 memory accesses to 8 slices as follows [248, 2, 257, 37, 4, 8, 5, 6]. 45 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [6, 2, 0, 2, 2, 2, 5, 0]. The 504 writes are split as follows [236, 0, 257, 9, 0, 0, 0, 2]. [2025-03-08 18:00:04,401 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:00:04" (1/1) ... [2025-03-08 18:00:04,401 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:00:04" (1/1) ... [2025-03-08 18:00:04,438 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:00:04" (1/1) ... [2025-03-08 18:00:04,445 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:00:04" (1/1) ... [2025-03-08 18:00:04,454 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:00:04" (1/1) ... [2025-03-08 18:00:04,463 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:00:04" (1/1) ... [2025-03-08 18:00:04,478 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 18:00:04,480 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 18:00:04,480 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 18:00:04,480 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 18:00:04,481 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:00:04" (1/1) ... [2025-03-08 18:00:04,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:00:04,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:00:04,508 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) [2025-03-08 18:00:04,510 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 [2025-03-08 18:00:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_read [2025-03-08 18:00:04,529 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_read [2025-03-08 18:00:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-08 18:00:04,530 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-08 18:00:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 18:00:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 18:00:04,530 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 18:00:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2025-03-08 18:00:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2025-03-08 18:00:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2025-03-08 18:00:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2025-03-08 18:00:04,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2025-03-08 18:00:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2025-03-08 18:00:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#6 [2025-03-08 18:00:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#7 [2025-03-08 18:00:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-08 18:00:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-08 18:00:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-08 18:00:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-08 18:00:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-08 18:00:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-08 18:00:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-08 18:00:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-08 18:00:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 18:00:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 18:00:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 18:00:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 18:00:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 18:00:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 18:00:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 18:00:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 18:00:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 18:00:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 18:00:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 18:00:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 18:00:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 18:00:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 18:00:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 18:00:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 18:00:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-03-08 18:00:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-03-08 18:00:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-03-08 18:00:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-03-08 18:00:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-03-08 18:00:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-03-08 18:00:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-03-08 18:00:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-03-08 18:00:04,533 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-03-08 18:00:04,533 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-03-08 18:00:04,534 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-03-08 18:00:04,534 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-03-08 18:00:04,534 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-03-08 18:00:04,534 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-03-08 18:00:04,534 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-03-08 18:00:04,534 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-03-08 18:00:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 18:00:04,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 18:00:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 18:00:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ntoh16 [2025-03-08 18:00:04,534 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ntoh16 [2025-03-08 18:00:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 18:00:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 18:00:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 18:00:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 18:00:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 18:00:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 18:00:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 18:00:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 18:00:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 18:00:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 18:00:04,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 18:00:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 18:00:04,534 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 18:00:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-08 18:00:04,534 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-08 18:00:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-08 18:00:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-08 18:00:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-08 18:00:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-08 18:00:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-08 18:00:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-08 18:00:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-08 18:00:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-08 18:00:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 18:00:04,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 18:00:04,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 18:00:04,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 18:00:04,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 18:00:04,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 18:00:04,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 18:00:04,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-08 18:00:04,535 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-08 18:00:04,535 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-08 18:00:04,535 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 18:00:04,535 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 18:00:04,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 18:00:04,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 18:00:04,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 18:00:04,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 18:00:04,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 18:00:04,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 18:00:04,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 18:00:04,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 18:00:04,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 18:00:04,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 18:00:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 18:00:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 18:00:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 18:00:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 18:00:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 18:00:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 18:00:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-08 18:00:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-08 18:00:04,539 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-08 18:00:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 18:00:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 18:00:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 18:00:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 18:00:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 18:00:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 18:00:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 18:00:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 18:00:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2025-03-08 18:00:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2025-03-08 18:00:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2025-03-08 18:00:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2025-03-08 18:00:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2025-03-08 18:00:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2025-03-08 18:00:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#6 [2025-03-08 18:00:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#7 [2025-03-08 18:00:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 18:00:04,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 18:00:04,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 18:00:04,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 18:00:04,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 18:00:04,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 18:00:04,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 18:00:04,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 18:00:04,860 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 18:00:04,862 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 18:00:04,886 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-08 18:00:05,074 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8328: call ULTIMATE.dealloc(~#slice~0#1.base, ~#slice~0#1.offset);havoc ~#slice~0#1.base, ~#slice~0#1.offset; [2025-03-08 18:00:05,074 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8321: havoc aws_byte_cursor_advance_nospec_#t~mem1112#1;havoc aws_byte_cursor_advance_nospec_#t~mem1113#1.base, aws_byte_cursor_advance_nospec_#t~mem1113#1.offset;call ULTIMATE.dealloc(aws_byte_cursor_advance_nospec_~#rv~7#1.base, aws_byte_cursor_advance_nospec_~#rv~7#1.offset);havoc aws_byte_cursor_advance_nospec_~#rv~7#1.base, aws_byte_cursor_advance_nospec_~#rv~7#1.offset; [2025-03-08 18:00:05,085 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-08 18:00:05,092 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6888: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2025-03-08 18:00:05,151 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7355: havoc #t~mem693;havoc #t~mem694;havoc #t~mem695.base, #t~mem695.offset;havoc #t~short696;havoc #t~mem697;havoc #t~mem698.base, #t~mem698.offset;havoc #t~short699;havoc #t~short700;havoc #t~short701;havoc #t~short702; [2025-03-08 18:00:05,526 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4052: havoc #t~nondet270; [2025-03-08 18:00:05,628 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 18:00:12,789 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-08 18:00:12,892 INFO L? ?]: Removed 248 outVars from TransFormulas that were not future-live. [2025-03-08 18:00:12,892 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 18:00:12,912 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 18:00:12,912 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 18:00:12,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:00:12 BoogieIcfgContainer [2025-03-08 18:00:12,913 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 18:00:12,915 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 18:00:12,915 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 18:00:12,919 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 18:00:12,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 06:00:02" (1/3) ... [2025-03-08 18:00:12,920 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a4cb92c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:00:12, skipping insertion in model container [2025-03-08 18:00:12,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:00:04" (2/3) ... [2025-03-08 18:00:12,921 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a4cb92c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:00:12, skipping insertion in model container [2025-03-08 18:00:12,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:00:12" (3/3) ... [2025-03-08 18:00:12,922 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_read_be16_harness_negated.i [2025-03-08 18:00:12,934 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 18:00:12,936 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_read_be16_harness_negated.i that has 19 procedures, 217 locations, 1 initial locations, 16 loop locations, and 1 error locations. [2025-03-08 18:00:12,974 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 18:00:12,982 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;@49012091, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 18:00:12,982 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 18:00:12,986 INFO L276 IsEmpty]: Start isEmpty. Operand has 182 states, 121 states have (on average 1.28099173553719) internal successors, (155), 122 states have internal predecessors, (155), 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) [2025-03-08 18:00:12,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-03-08 18:00:12,994 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:00:12,994 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, 1, 1] [2025-03-08 18:00:12,995 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:00:13,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:00:13,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1314700451, now seen corresponding path program 1 times [2025-03-08 18:00:13,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:00:13,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689441571] [2025-03-08 18:00:13,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:00:13,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:01:23,130 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-03-08 18:01:23,786 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-03-08 18:01:23,787 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:01:23,787 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:01:26,031 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2025-03-08 18:01:26,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:01:26,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689441571] [2025-03-08 18:01:26,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689441571] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:01:26,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356293233] [2025-03-08 18:01:26,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:01:26,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:01:26,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:01:26,036 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) [2025-03-08 18:01:26,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process