./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_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_be32_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 6dc5bd60f4d96fc7f9806283fae01bdd9c221bb414825650ea3065ab8880bb4d --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:12:00,106 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:12:00,150 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:12:00,153 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:12:00,153 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:12:00,176 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:12:00,177 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:12:00,177 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:12:00,177 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:12:00,177 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:12:00,177 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:12:00,178 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:12:00,178 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:12:00,178 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:12:00,178 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:12:00,178 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:12:00,178 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:12:00,178 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:12:00,178 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:12:00,178 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:12:00,179 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:12:00,179 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:12:00,179 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:12:00,179 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:12:00,179 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:12:00,179 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:12:00,179 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:12:00,179 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:12:00,179 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:12:00,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:12:00,179 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:12:00,180 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:12:00,180 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:12:00,180 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:12:00,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:12:00,180 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:12:00,180 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:12:00,180 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:12:00,180 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:12:00,180 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:12:00,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:12:00,180 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:12:00,181 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:12:00,181 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:12:00,181 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:12:00,181 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 -> 6dc5bd60f4d96fc7f9806283fae01bdd9c221bb414825650ea3065ab8880bb4d [2025-01-09 17:12:00,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:12:00,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:12:00,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:12:00,386 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:12:00,386 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:12:00,388 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness_negated.i [2025-01-09 17:12:01,551 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ad29e29f3/09084af3e1e4447c860f3ab5aabbd632/FLAGbc7225f23 [2025-01-09 17:12:02,059 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:12:02,059 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness_negated.i [2025-01-09 17:12:02,093 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ad29e29f3/09084af3e1e4447c860f3ab5aabbd632/FLAGbc7225f23 [2025-01-09 17:12:02,107 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ad29e29f3/09084af3e1e4447c860f3ab5aabbd632 [2025-01-09 17:12:02,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:12:02,111 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:12:02,112 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:12:02,112 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:12:02,115 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:12:02,115 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:12:02" (1/1) ... [2025-01-09 17:12:02,116 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b477636 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:12:02, skipping insertion in model container [2025-01-09 17:12:02,116 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:12:02" (1/1) ... [2025-01-09 17:12:02,175 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:12:02,302 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_be32_harness_negated.i[4499,4512] [2025-01-09 17:12:02,307 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_be32_harness_negated.i[4559,4572] [2025-01-09 17:12:02,703 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:02,709 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:02,709 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:02,710 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:02,710 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:02,724 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:02,724 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:02,728 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:02,729 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:03,077 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:03,077 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:03,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:12:03,155 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:12:03,167 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_be32_harness_negated.i[4499,4512] [2025-01-09 17:12:03,171 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_be32_harness_negated.i[4559,4572] [2025-01-09 17:12:03,206 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:03,206 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:03,207 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:03,207 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:03,207 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:03,213 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:03,213 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:03,214 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:03,215 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:03,330 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2025-01-09 17:12:03,331 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:03,331 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:12:03,403 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2025-01-09 17:12:03,417 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:12:03,539 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:12:03,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:12:03 WrapperNode [2025-01-09 17:12:03,541 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:12:03,542 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:12:03,542 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:12:03,542 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:12:03,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:12:03" (1/1) ... [2025-01-09 17:12:03,618 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:12:03" (1/1) ... [2025-01-09 17:12:03,711 INFO L138 Inliner]: procedures = 680, calls = 2639, calls flagged for inlining = 62, calls inlined = 11, statements flattened = 1027 [2025-01-09 17:12:03,712 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:12:03,713 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:12:03,713 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:12:03,713 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:12:03,719 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:12:03" (1/1) ... [2025-01-09 17:12:03,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:12:03" (1/1) ... [2025-01-09 17:12:03,724 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:12:03" (1/1) ... [2025-01-09 17:12:03,788 INFO L175 MemorySlicer]: Split 567 memory accesses to 8 slices as follows [257, 2, 248, 4, 37, 6, 8, 5]. 45 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [0, 2, 6, 2, 2, 0, 2, 5]. The 504 writes are split as follows [257, 0, 236, 0, 9, 2, 0, 0]. [2025-01-09 17:12:03,791 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:12:03" (1/1) ... [2025-01-09 17:12:03,791 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:12:03" (1/1) ... [2025-01-09 17:12:03,834 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:12:03" (1/1) ... [2025-01-09 17:12:03,836 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:12:03" (1/1) ... [2025-01-09 17:12:03,844 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:12:03" (1/1) ... [2025-01-09 17:12:03,862 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:12:03" (1/1) ... [2025-01-09 17:12:03,871 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:12:03" (1/1) ... [2025-01-09 17:12:03,884 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:12:03,885 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:12:03,885 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:12:03,885 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:12:03,886 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:12:03" (1/1) ... [2025-01-09 17:12:03,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:12:03,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:12:03,916 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 17:12:03,922 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 17:12:03,938 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_read [2025-01-09 17:12:03,938 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_read [2025-01-09 17:12:03,938 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-01-09 17:12:03,938 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-01-09 17:12:03,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:12:03,939 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:12:03,939 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:12:03,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2025-01-09 17:12:03,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2025-01-09 17:12:03,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2025-01-09 17:12:03,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2025-01-09 17:12:03,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2025-01-09 17:12:03,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2025-01-09 17:12:03,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#6 [2025-01-09 17:12:03,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#7 [2025-01-09 17:12:03,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-01-09 17:12:03,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-01-09 17:12:03,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-01-09 17:12:03,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-01-09 17:12:03,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-01-09 17:12:03,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-01-09 17:12:03,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-01-09 17:12:03,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-01-09 17:12:03,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:12:03,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:12:03,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:12:03,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:12:03,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:12:03,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:12:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 17:12:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 17:12:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:12:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:12:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:12:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:12:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:12:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:12:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 17:12:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 17:12:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-01-09 17:12:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-01-09 17:12:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-01-09 17:12:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-01-09 17:12:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-01-09 17:12:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-01-09 17:12:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-01-09 17:12:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-01-09 17:12:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-01-09 17:12:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-01-09 17:12:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-01-09 17:12:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-01-09 17:12:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-01-09 17:12:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-01-09 17:12:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-01-09 17:12:03,944 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-01-09 17:12:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:12:03,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:12:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:12:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:12:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:12:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:12:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:12:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:12:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:12:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:12:03,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 17:12:03,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 17:12:03,945 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ntoh32 [2025-01-09 17:12:03,945 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ntoh32 [2025-01-09 17:12:03,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:12:03,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:12:03,946 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:12:03,946 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:12:03,946 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-01-09 17:12:03,946 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-01-09 17:12:03,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-01-09 17:12:03,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-01-09 17:12:03,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-01-09 17:12:03,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-01-09 17:12:03,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-01-09 17:12:03,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-01-09 17:12:03,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-01-09 17:12:03,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-01-09 17:12:03,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:12:03,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:12:03,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:12:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:12:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:12:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:12:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 17:12:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 17:12:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-01-09 17:12:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-01-09 17:12:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:12:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:12:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:12:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:12:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:12:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:12:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:12:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:12:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:12:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 17:12:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 17:12:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:12:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:12:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:12:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:12:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:12:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:12:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 17:12:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-01-09 17:12:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:12:03,948 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:12:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:12:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:12:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:12:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:12:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:12:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:12:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 17:12:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 17:12:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2025-01-09 17:12:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2025-01-09 17:12:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2025-01-09 17:12:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2025-01-09 17:12:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2025-01-09 17:12:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2025-01-09 17:12:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#6 [2025-01-09 17:12:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#7 [2025-01-09 17:12:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:12:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:12:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:12:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:12:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:12:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:12:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 17:12:03,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 17:12:04,226 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:12:04,230 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:12:11,756 INFO L? ?]: Removed 248 outVars from TransFormulas that were not future-live. [2025-01-09 17:12:11,756 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:12:11,765 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:12:11,766 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 17:12:11,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:12:11 BoogieIcfgContainer [2025-01-09 17:12:11,766 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:12:11,767 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:12:11,767 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:12:11,770 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:12:11,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:12:02" (1/3) ... [2025-01-09 17:12:11,771 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ad82df1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:12:11, skipping insertion in model container [2025-01-09 17:12:11,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:12:03" (2/3) ... [2025-01-09 17:12:11,771 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ad82df1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:12:11, skipping insertion in model container [2025-01-09 17:12:11,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:12:11" (3/3) ... [2025-01-09 17:12:11,772 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_read_be32_harness_negated.i [2025-01-09 17:12:11,781 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:12:11,782 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_read_be32_harness_negated.i that has 19 procedures, 217 locations, 1 initial locations, 16 loop locations, and 1 error locations. [2025-01-09 17:12:11,815 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:12:11,822 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;@479caf80, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:12:11,822 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:12:11,824 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 17:12:11,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-01-09 17:12:11,831 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:12:11,831 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 17:12:11,832 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:12:11,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:12:11,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1088757563, now seen corresponding path program 1 times [2025-01-09 17:12:11,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:12:11,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302652653] [2025-01-09 17:12:11,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:12:11,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:13:20,525 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-01-09 17:13:21,058 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-01-09 17:13:21,058 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:13:21,058 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:13:21,793 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 17:13:21,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:13:21,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302652653] [2025-01-09 17:13:21,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302652653] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:13:21,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [948967508] [2025-01-09 17:13:21,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:13:21,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:13:21,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:13:21,797 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 17:13:21,799 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