./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_cursor_read_be32_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 065f95e1f01b1c2bb5cc332c26e118823e72d0e75cb3966f20aacf6dc1740b4a --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 02:49:05,892 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:49:05,951 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:49:05,956 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:49:05,956 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:49:05,984 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:49:05,985 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:49:05,985 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:49:05,986 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:49:05,986 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:49:05,987 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:49:05,987 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:49:05,988 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:49:05,988 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:49:05,988 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:49:05,988 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:49:05,988 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:49:05,988 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:49:05,988 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:49:05,989 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:49:05,989 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:49:05,989 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:49:05,989 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:49:05,989 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:49:05,989 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:49:05,989 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:49:05,989 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:49:05,989 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:49:05,990 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:49:05,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:49:05,990 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:49:05,990 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:49:05,990 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:49:05,990 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:49:05,990 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:49:05,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:49:05,991 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:49:05,991 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:49:05,991 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:49:05,991 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:49:05,991 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 -> 065f95e1f01b1c2bb5cc332c26e118823e72d0e75cb3966f20aacf6dc1740b4a [2025-03-04 02:49:06,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:49:06,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:49:06,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:49:06,220 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:49:06,220 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:49:06,221 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness.i [2025-03-04 02:49:07,330 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c06056983/0022e7d5751b40e39e7d24cca2a03183/FLAG056a5a8f1 [2025-03-04 02:49:07,839 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:49:07,839 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness.i [2025-03-04 02:49:07,871 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c06056983/0022e7d5751b40e39e7d24cca2a03183/FLAG056a5a8f1 [2025-03-04 02:49:07,883 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c06056983/0022e7d5751b40e39e7d24cca2a03183 [2025-03-04 02:49:07,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:49:07,886 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:49:07,887 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:49:07,887 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:49:07,889 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:49:07,890 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:49:07" (1/1) ... [2025-03-04 02:49:07,890 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a66225b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:49:07, skipping insertion in model container [2025-03-04 02:49:07,890 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:49:07" (1/1) ... [2025-03-04 02:49:07,946 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:49:08,144 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness.i[4499,4512] [2025-03-04 02:49:08,153 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness.i[4559,4572] [2025-03-04 02:49:08,638 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:08,639 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:08,639 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:08,640 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:08,640 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:08,649 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:08,649 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:08,650 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:08,651 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:09,053 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:09,053 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:09,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:49:09,176 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:49:09,189 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness.i[4499,4512] [2025-03-04 02:49:09,190 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness.i[4559,4572] [2025-03-04 02:49:09,226 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:09,226 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:09,227 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:09,228 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:09,228 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:09,233 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:09,233 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:09,234 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:09,234 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:09,325 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2025-03-04 02:49:09,328 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:09,328 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:09,339 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2025-03-04 02:49:09,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:49:09,507 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:49:09,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:49:09 WrapperNode [2025-03-04 02:49:09,508 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:49:09,509 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:49:09,509 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:49:09,509 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:49:09,513 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:49:09" (1/1) ... [2025-03-04 02:49:09,563 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:49:09" (1/1) ... [2025-03-04 02:49:09,621 INFO L138 Inliner]: procedures = 680, calls = 2639, calls flagged for inlining = 62, calls inlined = 11, statements flattened = 1027 [2025-03-04 02:49:09,622 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:49:09,622 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:49:09,622 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:49:09,622 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:49:09,630 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:49:09" (1/1) ... [2025-03-04 02:49:09,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:49:09" (1/1) ... [2025-03-04 02:49:09,649 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:49:09" (1/1) ... [2025-03-04 02:49:09,703 INFO L175 MemorySlicer]: Split 567 memory accesses to 8 slices as follows [2, 257, 6, 8, 4, 248, 37, 5]. 45 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 0, 0, 2, 2, 6, 2, 5]. The 504 writes are split as follows [0, 257, 2, 0, 0, 236, 9, 0]. [2025-03-04 02:49:09,704 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:49:09" (1/1) ... [2025-03-04 02:49:09,704 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:49:09" (1/1) ... [2025-03-04 02:49:09,727 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:49:09" (1/1) ... [2025-03-04 02:49:09,729 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:49:09" (1/1) ... [2025-03-04 02:49:09,734 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:49:09" (1/1) ... [2025-03-04 02:49:09,739 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:49:09" (1/1) ... [2025-03-04 02:49:09,757 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:49:09,757 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:49:09,757 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:49:09,757 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:49:09,760 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:49:09" (1/1) ... [2025-03-04 02:49:09,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:49:09,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:49:09,788 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 02:49:09,790 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 02:49:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_read [2025-03-04 02:49:09,808 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_read [2025-03-04 02:49:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-04 02:49:09,809 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-04 02:49:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:49:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 02:49:09,809 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 02:49:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2025-03-04 02:49:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2025-03-04 02:49:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2025-03-04 02:49:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2025-03-04 02:49:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2025-03-04 02:49:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2025-03-04 02:49:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#6 [2025-03-04 02:49:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#7 [2025-03-04 02:49:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-04 02:49:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-04 02:49:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-04 02:49:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-04 02:49:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-04 02:49:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-04 02:49:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-04 02:49:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-04 02:49:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 02:49:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 02:49:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 02:49:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 02:49:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 02:49:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 02:49:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 02:49:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-04 02:49:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 02:49:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 02:49:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 02:49:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 02:49:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 02:49:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 02:49:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 02:49:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-04 02:49:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-03-04 02:49:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-03-04 02:49:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-03-04 02:49:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-03-04 02:49:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-03-04 02:49:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-03-04 02:49:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-03-04 02:49:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-03-04 02:49:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-03-04 02:49:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-03-04 02:49:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-03-04 02:49:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-03-04 02:49:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-03-04 02:49:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-03-04 02:49:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-03-04 02:49:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-03-04 02:49:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:49:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:49:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:49:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:49:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 02:49:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 02:49:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 02:49:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 02:49:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 02:49:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 02:49:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 02:49:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-04 02:49:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ntoh32 [2025-03-04 02:49:09,814 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ntoh32 [2025-03-04 02:49:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:49:09,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:49:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:49:09,814 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:49:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-04 02:49:09,814 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-04 02:49:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-04 02:49:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-04 02:49:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-04 02:49:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-04 02:49:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-04 02:49:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-04 02:49:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-04 02:49:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-04 02:49:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 02:49:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 02:49:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 02:49:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 02:49:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 02:49:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 02:49:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 02:49:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-04 02:49:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-04 02:49:09,814 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-04 02:49:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:49:09,814 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:49:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:49:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 02:49:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 02:49:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 02:49:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 02:49:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 02:49:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 02:49:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 02:49:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-04 02:49:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 02:49:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 02:49:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 02:49:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 02:49:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 02:49:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 02:49:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 02:49:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-04 02:49:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-04 02:49:09,815 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-04 02:49:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 02:49:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 02:49:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 02:49:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 02:49:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 02:49:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 02:49:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 02:49:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-04 02:49:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2025-03-04 02:49:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2025-03-04 02:49:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2025-03-04 02:49:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2025-03-04 02:49:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2025-03-04 02:49:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2025-03-04 02:49:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#6 [2025-03-04 02:49:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#7 [2025-03-04 02:49:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 02:49:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 02:49:09,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 02:49:09,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 02:49:09,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 02:49:09,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 02:49:09,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 02:49:09,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-04 02:49:10,072 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:49:10,074 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:49:10,098 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 02:49:10,248 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8360: call ULTIMATE.dealloc(~#slice~0#1.base, ~#slice~0#1.offset);havoc ~#slice~0#1.base, ~#slice~0#1.offset; [2025-03-04 02:49:10,248 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8353: havoc aws_byte_cursor_advance_nospec_#t~mem1112#1;havoc aws_byte_cursor_advance_nospec_#t~mem1113#1.base, aws_byte_cursor_advance_nospec_#t~mem1113#1.offset;call ULTIMATE.dealloc(aws_byte_cursor_advance_nospec_~#rv~7#1.base, aws_byte_cursor_advance_nospec_~#rv~7#1.offset);havoc aws_byte_cursor_advance_nospec_~#rv~7#1.base, aws_byte_cursor_advance_nospec_~#rv~7#1.offset; [2025-03-04 02:49:10,263 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-04 02:49:10,270 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6900: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2025-03-04 02:49:10,294 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7387: havoc #t~mem693;havoc #t~mem694;havoc #t~mem695.base, #t~mem695.offset;havoc #t~short696;havoc #t~mem697;havoc #t~mem698.base, #t~mem698.offset;havoc #t~short699;havoc #t~short700;havoc #t~short701;havoc #t~short702; [2025-03-04 02:49:10,795 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3992: havoc #t~nondet262; [2025-03-04 02:49:10,797 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 02:49:17,825 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-04 02:49:17,893 INFO L? ?]: Removed 248 outVars from TransFormulas that were not future-live. [2025-03-04 02:49:17,893 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:49:17,909 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:49:17,909 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:49:17,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:49:17 BoogieIcfgContainer [2025-03-04 02:49:17,910 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:49:17,911 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:49:17,912 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:49:17,915 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:49:17,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:49:07" (1/3) ... [2025-03-04 02:49:17,915 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76030283 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:49:17, skipping insertion in model container [2025-03-04 02:49:17,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:49:09" (2/3) ... [2025-03-04 02:49:17,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76030283 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:49:17, skipping insertion in model container [2025-03-04 02:49:17,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:49:17" (3/3) ... [2025-03-04 02:49:17,916 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_read_be32_harness.i [2025-03-04 02:49:17,926 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:49:17,927 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_read_be32_harness.i that has 19 procedures, 217 locations, 1 initial locations, 16 loop locations, and 1 error locations. [2025-03-04 02:49:17,960 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:49:17,967 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;@4fd938d9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:49:17,967 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:49:17,970 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) [2025-03-04 02:49:17,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-03-04 02:49:17,978 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:49:17,978 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] [2025-03-04 02:49:17,978 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:49:17,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:49:17,982 INFO L85 PathProgramCache]: Analyzing trace with hash -105332829, now seen corresponding path program 1 times [2025-03-04 02:49:17,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:49:17,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911167809] [2025-03-04 02:49:17,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:49:17,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:50:22,165 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-03-04 02:50:22,725 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-03-04 02:50:22,725 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:50:22,725 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:50:25,067 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2025-03-04 02:50:25,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:50:25,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911167809] [2025-03-04 02:50:25,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911167809] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:50:25,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783045517] [2025-03-04 02:50:25,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:50:25,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:50:25,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:50:25,071 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 02:50:25,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process