./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_dynamic_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_dynamic_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 70fdf4888600bb48b8cb4af60c2a43959940f60808ef921b3b5f10a980e62d04 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:00:10,697 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:00:10,785 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:00:10,790 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:00:10,791 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:00:10,821 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:00:10,822 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:00:10,822 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:00:10,823 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:00:10,823 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:00:10,824 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:00:10,824 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:00:10,825 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:00:10,825 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:00:10,826 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:00:10,828 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:00:10,831 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:00:10,831 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:00:10,831 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:00:10,832 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:00:10,832 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:00:10,851 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:00:10,851 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:00:10,852 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:00:10,852 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:00:10,852 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:00:10,853 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:00:10,853 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:00:10,853 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:00:10,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:00:10,854 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:00:10,854 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:00:10,855 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:00:10,855 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:00:10,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:00:10,856 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:00:10,856 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:00:10,856 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:00:10,856 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:00:10,857 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70fdf4888600bb48b8cb4af60c2a43959940f60808ef921b3b5f10a980e62d04 [2024-11-09 03:00:11,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:00:11,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:00:11,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:00:11,195 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:00:11,196 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:00:11,197 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_dynamic_harness_negated.i [2024-11-09 03:00:12,691 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:00:13,230 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:00:13,232 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_dynamic_harness_negated.i [2024-11-09 03:00:13,300 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5865658d/85744da216fc44d8ab7e61f66093f9df/FLAGc386a7c4d [2024-11-09 03:00:13,323 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5865658d/85744da216fc44d8ab7e61f66093f9df [2024-11-09 03:00:13,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:00:13,327 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:00:13,329 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:00:13,329 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:00:13,337 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:00:13,338 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:00:13" (1/1) ... [2024-11-09 03:00:13,339 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dc6757b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:13, skipping insertion in model container [2024-11-09 03:00:13,340 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:00:13" (1/1) ... [2024-11-09 03:00:13,448 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:00:13,809 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_dynamic_harness_negated.i[4501,4514] [2024-11-09 03:00:13,820 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_dynamic_harness_negated.i[4561,4574] [2024-11-09 03:00:14,811 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:14,812 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:14,812 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:14,817 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:14,818 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:14,842 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:14,843 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:14,845 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:14,849 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:15,552 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:15,553 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:15,691 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:15,692 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:15,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:00:15,942 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:00:15,957 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_dynamic_harness_negated.i[4501,4514] [2024-11-09 03:00:15,962 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_dynamic_harness_negated.i[4561,4574] [2024-11-09 03:00:16,002 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:16,003 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:16,003 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:16,004 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:16,004 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:16,014 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:16,018 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:16,019 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:16,019 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:16,117 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:16,117 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:16,174 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8265] [2024-11-09 03:00:16,177 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:16,177 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:16,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8751-8762] [2024-11-09 03:00:16,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:00:16,525 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:00:16,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:16 WrapperNode [2024-11-09 03:00:16,526 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:00:16,528 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:00:16,529 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:00:16,529 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:00:16,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:16" (1/1) ... [2024-11-09 03:00:16,674 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:16" (1/1) ... [2024-11-09 03:00:16,799 INFO L138 Inliner]: procedures = 680, calls = 2637, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 1080 [2024-11-09 03:00:16,800 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:00:16,801 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:00:16,801 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:00:16,802 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:00:16,814 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:16" (1/1) ... [2024-11-09 03:00:16,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:16" (1/1) ... [2024-11-09 03:00:16,833 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:16" (1/1) ... [2024-11-09 03:00:16,933 INFO L175 MemorySlicer]: Split 595 memory accesses to 9 slices as follows [9, 5, 2, 257, 238, 8, 4, 47, 25]. 43 percent of accesses are in the largest equivalence class. The 26 initializations are split as follows [5, 1, 2, 0, 6, 4, 2, 4, 2]. The 497 writes are split as follows [1, 1, 0, 257, 232, 0, 0, 5, 1]. [2024-11-09 03:00:16,934 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:16" (1/1) ... [2024-11-09 03:00:16,934 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:16" (1/1) ... [2024-11-09 03:00:16,989 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:16" (1/1) ... [2024-11-09 03:00:16,994 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:16" (1/1) ... [2024-11-09 03:00:17,007 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:16" (1/1) ... [2024-11-09 03:00:17,084 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:16" (1/1) ... [2024-11-09 03:00:17,117 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:00:17,121 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:00:17,125 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:00:17,125 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:00:17,127 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:16" (1/1) ... [2024-11-09 03:00:17,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:00:17,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:00:17,172 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) [2024-11-09 03:00:17,176 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 [2024-11-09 03:00:17,237 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-09 03:00:17,237 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-09 03:00:17,237 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-09 03:00:17,239 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-09 03:00:17,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:00:17,240 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:00:17,240 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:00:17,240 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-09 03:00:17,240 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-09 03:00:17,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:00:17,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:00:17,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:00:17,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:00:17,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:00:17,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 03:00:17,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-09 03:00:17,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-09 03:00:17,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-09 03:00:17,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:00:17,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:00:17,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:00:17,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:00:17,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:00:17,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 03:00:17,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-09 03:00:17,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-09 03:00:17,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-09 03:00:17,243 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-09 03:00:17,243 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-09 03:00:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:00:17,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:00:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:00:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:00:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:00:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:00:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:00:17,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:00:17,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:00:17,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 03:00:17,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-09 03:00:17,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-09 03:00:17,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-09 03:00:17,245 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-09 03:00:17,245 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-09 03:00:17,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:00:17,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:00:17,246 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:00:17,246 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:00:17,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:00:17,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:00:17,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:00:17,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:00:17,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:00:17,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 03:00:17,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-09 03:00:17,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-09 03:00:17,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-09 03:00:17,247 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-09 03:00:17,247 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-09 03:00:17,247 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-09 03:00:17,249 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-09 03:00:17,249 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:00:17,250 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:00:17,250 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-09 03:00:17,250 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-09 03:00:17,250 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-09 03:00:17,250 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-09 03:00:17,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:00:17,251 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-09 03:00:17,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-09 03:00:17,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:00:17,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:00:17,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:00:17,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:00:17,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:00:17,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 03:00:17,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-09 03:00:17,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-09 03:00:17,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-09 03:00:17,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:00:17,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:00:17,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:00:17,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:00:17,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:00:17,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 03:00:17,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-09 03:00:17,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-09 03:00:17,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-09 03:00:17,255 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:00:17,255 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:00:17,255 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-09 03:00:17,255 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-09 03:00:17,255 INFO L130 BoogieDeclarations]: Found specification of procedure assert_bytes_match [2024-11-09 03:00:17,256 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_bytes_match [2024-11-09 03:00:17,256 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 03:00:17,256 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 03:00:17,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:00:17,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:00:17,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:00:17,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:00:17,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:00:17,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 03:00:17,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-09 03:00:17,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-09 03:00:17,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-09 03:00:17,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:00:17,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:00:17,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:00:17,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:00:17,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:00:17,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 03:00:17,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 03:00:17,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-09 03:00:17,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-09 03:00:17,668 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:00:17,672 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:00:26,646 INFO L? ?]: Removed 141 outVars from TransFormulas that were not future-live. [2024-11-09 03:00:26,647 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:00:26,666 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:00:26,666 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 03:00:26,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:00:26 BoogieIcfgContainer [2024-11-09 03:00:26,667 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:00:26,670 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:00:26,670 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:00:26,673 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:00:26,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:00:13" (1/3) ... [2024-11-09 03:00:26,674 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b3472c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:00:26, skipping insertion in model container [2024-11-09 03:00:26,674 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:16" (2/3) ... [2024-11-09 03:00:26,675 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b3472c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:00:26, skipping insertion in model container [2024-11-09 03:00:26,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:00:26" (3/3) ... [2024-11-09 03:00:26,678 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_append_dynamic_harness_negated.i [2024-11-09 03:00:26,696 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:00:26,696 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:00:26,773 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:00:26,781 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;@16914f1c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:00:26,781 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:00:26,788 INFO L276 IsEmpty]: Start isEmpty. Operand has 248 states, 156 states have (on average 1.2371794871794872) internal successors, (193), 157 states have internal predecessors, (193), 72 states have call successors, (72), 18 states have call predecessors, (72), 18 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-09 03:00:26,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-09 03:00:26,800 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:00:26,801 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-09 03:00:26,802 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:00:26,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:00:26,807 INFO L85 PathProgramCache]: Analyzing trace with hash 2028514092, now seen corresponding path program 1 times [2024-11-09 03:00:26,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:00:26,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647235151] [2024-11-09 03:00:26,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:00:26,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:01:44,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:45,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:01:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:45,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 03:01:45,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:45,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:01:45,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:45,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 03:01:45,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:45,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-09 03:01:45,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:45,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 03:01:45,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:45,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 03:01:45,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:45,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 03:01:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:45,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 03:01:45,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:45,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 03:01:45,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:45,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 03:01:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:45,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 03:01:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:45,614 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-09 03:01:45,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:01:45,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647235151] [2024-11-09 03:01:45,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647235151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:01:45,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:01:45,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 03:01:45,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536210419] [2024-11-09 03:01:45,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:01:45,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 03:01:45,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:01:45,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 03:01:45,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 03:01:45,653 INFO L87 Difference]: Start difference. First operand has 248 states, 156 states have (on average 1.2371794871794872) internal successors, (193), 157 states have internal predecessors, (193), 72 states have call successors, (72), 18 states have call predecessors, (72), 18 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12)