./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 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/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-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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-?-551b009-m [2025-01-09 17:11:57,946 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:11:57,998 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:11:58,002 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:11:58,005 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:11:58,028 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:11:58,029 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:11:58,029 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:11:58,030 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:11:58,030 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:11:58,030 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:11:58,031 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:11:58,031 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:11:58,031 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:11:58,031 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:11:58,031 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:11:58,032 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:11:58,032 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:11:58,032 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:11:58,032 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:11:58,032 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:11:58,032 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:11:58,032 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:11:58,032 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:11:58,032 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:11:58,033 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:11:58,033 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:11:58,033 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:11:58,033 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:11:58,033 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:11:58,033 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:11:58,033 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:11:58,033 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:11:58,034 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:11:58,034 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:11:58,034 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:11:58,034 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:11:58,034 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:11:58,034 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:11:58,034 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:11:58,034 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:11:58,034 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:11:58,034 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:11:58,034 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:11:58,035 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:11:58,035 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-jdk21/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 [2025-01-09 17:11:58,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:11:58,263 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:11:58,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:11:58,266 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:11:58,267 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:11:58,269 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness_negated.i [2025-01-09 17:11:59,399 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/257d77daf/7e574db12d8141108b6fcbfd4ed1d4ec/FLAGf2114d85a [2025-01-09 17:11:59,787 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:11:59,788 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness_negated.i [2025-01-09 17:11:59,821 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/257d77daf/7e574db12d8141108b6fcbfd4ed1d4ec/FLAGf2114d85a [2025-01-09 17:11:59,832 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/257d77daf/7e574db12d8141108b6fcbfd4ed1d4ec [2025-01-09 17:11:59,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:11:59,834 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:11:59,835 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:11:59,835 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:11:59,838 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:11:59,839 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:11:59" (1/1) ... [2025-01-09 17:11:59,839 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@788efcc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:11:59, skipping insertion in model container [2025-01-09 17:11:59,840 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:11:59" (1/1) ... [2025-01-09 17:11:59,901 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:12:00,069 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness_negated.i[4499,4512] [2025-01-09 17:12:00,075 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness_negated.i[4559,4572] [2025-01-09 17:12:00,817 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:00,817 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:00,817 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:00,819 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:00,820 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:00,833 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:00,834 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:00,835 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:00,835 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:01,395 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:01,395 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:01,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:12:01,529 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:12:01,542 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness_negated.i[4499,4512] [2025-01-09 17:12:01,547 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness_negated.i[4559,4572] [2025-01-09 17:12:01,580 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:01,581 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:01,581 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:01,581 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:01,581 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:01,587 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:01,587 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:01,588 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:01,588 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:01,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2025-01-09 17:12:01,687 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:01,687 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:01,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2025-01-09 17:12:01,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:12:01,898 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:12:01,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:12:01 WrapperNode [2025-01-09 17:12:01,899 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:12:01,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:12:01,901 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:12:01,901 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:12:01,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:12:01" (1/1) ... [2025-01-09 17:12:01,971 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:12:01" (1/1) ... [2025-01-09 17:12:02,035 INFO L138 Inliner]: procedures = 680, calls = 2639, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 1027 [2025-01-09 17:12:02,036 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:12:02,037 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:12:02,037 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:12:02,037 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:12:02,044 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:12:01" (1/1) ... [2025-01-09 17:12:02,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:12:01" (1/1) ... [2025-01-09 17:12:02,050 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:12:01" (1/1) ... [2025-01-09 17:12:02,107 INFO L175 MemorySlicer]: Split 567 memory accesses to 8 slices as follows [257, 4, 2, 6, 248, 37, 8, 5]. 45 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [0, 2, 2, 0, 6, 2, 2, 5]. The 504 writes are split as follows [257, 0, 0, 2, 236, 9, 0, 0]. [2025-01-09 17:12:02,108 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:12:01" (1/1) ... [2025-01-09 17:12:02,108 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:12:01" (1/1) ... [2025-01-09 17:12:02,143 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:12:01" (1/1) ... [2025-01-09 17:12:02,148 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:12:01" (1/1) ... [2025-01-09 17:12:02,152 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:12:01" (1/1) ... [2025-01-09 17:12:02,168 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:12:01" (1/1) ... [2025-01-09 17:12:02,173 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:12:01" (1/1) ... [2025-01-09 17:12:02,187 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:12:02,191 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:12:02,191 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:12:02,191 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:12:02,192 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:12:01" (1/1) ... [2025-01-09 17:12:02,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:12:02,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:12:02,220 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 17:12:02,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 17:12:02,241 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_read [2025-01-09 17:12:02,241 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_read [2025-01-09 17:12:02,241 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-01-09 17:12:02,241 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-01-09 17:12:02,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:12:02,241 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:12:02,241 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:12:02,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2025-01-09 17:12:02,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2025-01-09 17:12:02,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2025-01-09 17:12:02,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2025-01-09 17:12:02,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2025-01-09 17:12:02,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2025-01-09 17:12:02,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#6 [2025-01-09 17:12:02,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#7 [2025-01-09 17:12:02,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-01-09 17:12:02,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-01-09 17:12:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-01-09 17:12:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-01-09 17:12:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-01-09 17:12:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-01-09 17:12:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-01-09 17:12:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-01-09 17:12:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:12:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:12:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:12:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:12:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:12:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:12:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 17:12:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 17:12:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:12:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:12:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:12:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:12:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:12:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:12:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 17:12:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 17:12:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-01-09 17:12:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-01-09 17:12:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-01-09 17:12:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-01-09 17:12:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-01-09 17:12:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-01-09 17:12:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-01-09 17:12:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-01-09 17:12:02,246 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-01-09 17:12:02,246 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-01-09 17:12:02,246 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-01-09 17:12:02,246 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-01-09 17:12:02,246 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-01-09 17:12:02,246 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-01-09 17:12:02,246 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-01-09 17:12:02,246 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-01-09 17:12:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:12:02,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:12:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:12:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ntoh16 [2025-01-09 17:12:02,246 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ntoh16 [2025-01-09 17:12:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:12:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:12:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:12:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:12:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:12:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:12:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:12:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 17:12:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 17:12:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:12:02,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:12:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:12:02,247 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:12:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-01-09 17:12:02,247 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-01-09 17:12:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-01-09 17:12:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-01-09 17:12:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-01-09 17:12:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-01-09 17:12:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-01-09 17:12:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-01-09 17:12:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-01-09 17:12:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-01-09 17:12:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:12:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:12:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:12:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:12:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:12:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:12:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 17:12:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 17:12:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-01-09 17:12:02,247 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-01-09 17:12:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:12:02,247 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:12:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:12:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:12:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:12:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:12:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:12:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:12:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:12:02,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 17:12:02,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 17:12:02,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:12:02,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:12:02,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:12:02,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:12:02,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:12:02,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:12:02,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 17:12:02,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-01-09 17:12:02,251 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:12:02,251 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:12:02,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:12:02,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:12:02,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:12:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:12:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:12:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:12:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 17:12:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 17:12:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2025-01-09 17:12:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2025-01-09 17:12:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2025-01-09 17:12:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2025-01-09 17:12:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2025-01-09 17:12:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2025-01-09 17:12:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#6 [2025-01-09 17:12:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#7 [2025-01-09 17:12:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:12:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:12:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:12:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:12:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:12:02,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:12:02,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 17:12:02,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 17:12:02,605 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:12:02,607 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:12:10,464 INFO L? ?]: Removed 248 outVars from TransFormulas that were not future-live. [2025-01-09 17:12:10,464 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:12:10,479 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:12:10,479 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 17:12:10,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:12:10 BoogieIcfgContainer [2025-01-09 17:12:10,480 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:12:10,482 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:12:10,482 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:12:10,485 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:12:10,486 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:11:59" (1/3) ... [2025-01-09 17:12:10,486 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc699c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:12:10, skipping insertion in model container [2025-01-09 17:12:10,486 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:12:01" (2/3) ... [2025-01-09 17:12:10,487 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc699c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:12:10, skipping insertion in model container [2025-01-09 17:12:10,487 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:12:10" (3/3) ... [2025-01-09 17:12:10,488 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_read_be16_harness_negated.i [2025-01-09 17:12:10,498 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:12:10,500 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. [2025-01-09 17:12:10,543 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:12:10,552 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;@3ee4151, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:12:10,553 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:12:10,556 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) [2025-01-09 17:12:10,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-01-09 17:12:10,564 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:12:10,564 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] [2025-01-09 17:12:10,565 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:12:10,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:12:10,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1547617861, now seen corresponding path program 1 times [2025-01-09 17:12:10,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:12:10,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417836170] [2025-01-09 17:12:10,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:12:10,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:13:17,992 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-01-09 17:13:18,509 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-01-09 17:13:18,512 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:13:18,512 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:13:19,277 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2025-01-09 17:13:19,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:13:19,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417836170] [2025-01-09 17:13:19,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417836170] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:13:19,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506155829] [2025-01-09 17:13:19,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:13:19,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:13:19,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:13:19,281 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:13:19,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process