./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_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 49bf9fd75d56d44e7e1e54aefea9fad1d2b78cb24b15e9eb5cce5de020ddf3d7 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 09:55:17,810 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 09:55:17,864 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 09:55:17,870 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 09:55:17,870 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 09:55:17,898 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 09:55:17,898 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 09:55:17,899 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 09:55:17,899 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 09:55:17,899 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 09:55:17,900 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 09:55:17,900 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 09:55:17,900 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 09:55:17,904 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 09:55:17,904 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 09:55:17,905 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 09:55:17,905 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 09:55:17,906 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 09:55:17,906 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 09:55:17,906 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 09:55:17,907 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 09:55:17,907 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 09:55:17,907 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 09:55:17,907 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 09:55:17,908 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 09:55:17,908 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 09:55:17,908 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 09:55:17,908 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 09:55:17,909 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 09:55:17,909 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 09:55:17,909 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 09:55:17,910 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 09:55:17,910 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 09:55:17,910 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 09:55:17,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 09:55:17,911 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 09:55:17,911 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 09:55:17,911 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 09:55:17,911 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 09:55:17,911 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49bf9fd75d56d44e7e1e54aefea9fad1d2b78cb24b15e9eb5cce5de020ddf3d7 [2024-11-20 09:55:18,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 09:55:18,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 09:55:18,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 09:55:18,144 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 09:55:18,145 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 09:55:18,146 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i [2024-11-20 09:55:19,582 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 09:55:19,933 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 09:55:19,933 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i [2024-11-20 09:55:19,979 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d3d0bc6b/5205f03521d540618037684825fb298b/FLAGa26a8256f [2024-11-20 09:55:19,993 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d3d0bc6b/5205f03521d540618037684825fb298b [2024-11-20 09:55:19,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 09:55:19,997 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 09:55:19,999 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 09:55:19,999 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 09:55:20,005 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 09:55:20,007 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:55:19" (1/1) ... [2024-11-20 09:55:20,008 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@333b14ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:55:20, skipping insertion in model container [2024-11-20 09:55:20,008 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:55:19" (1/1) ... [2024-11-20 09:55:20,088 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 09:55:20,349 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_with_lookup_harness_negated.i[4505,4518] [2024-11-20 09:55:20,357 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_with_lookup_harness_negated.i[4565,4578] [2024-11-20 09:55:21,106 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:21,107 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:21,108 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:21,108 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:21,109 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:21,117 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:21,118 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:21,119 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:21,119 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:21,525 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:21,526 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:21,589 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:21,590 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:21,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 09:55:21,709 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 09:55:21,722 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_with_lookup_harness_negated.i[4505,4518] [2024-11-20 09:55:21,723 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_with_lookup_harness_negated.i[4565,4578] [2024-11-20 09:55:21,751 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:21,751 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:21,751 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:21,752 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:21,752 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:21,756 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:21,756 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:21,757 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:21,757 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:21,831 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:21,832 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:21,870 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8265] [2024-11-20 09:55:21,872 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:21,879 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:21,899 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8751-8762] [2024-11-20 09:55:21,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 09:55:22,176 INFO L204 MainTranslator]: Completed translation [2024-11-20 09:55:22,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:55:22 WrapperNode [2024-11-20 09:55:22,177 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 09:55:22,178 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 09:55:22,178 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 09:55:22,178 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 09:55:22,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:55:22" (1/1) ... [2024-11-20 09:55:22,261 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:55:22" (1/1) ... [2024-11-20 09:55:22,335 INFO L138 Inliner]: procedures = 680, calls = 2646, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 972 [2024-11-20 09:55:22,335 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 09:55:22,336 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 09:55:22,336 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 09:55:22,336 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 09:55:22,351 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:55:22" (1/1) ... [2024-11-20 09:55:22,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:55:22" (1/1) ... [2024-11-20 09:55:22,362 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:55:22" (1/1) ... [2024-11-20 09:55:22,414 INFO L175 MemorySlicer]: Split 572 memory accesses to 9 slices as follows [2, 257, 238, 1, 20, 4, 9, 32, 9]. 45 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [2, 0, 6, 0, 2, 2, 5, 4, 4]. The 494 writes are split as follows [0, 257, 232, 0, 1, 0, 1, 3, 0]. [2024-11-20 09:55:22,415 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:55:22" (1/1) ... [2024-11-20 09:55:22,415 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:55:22" (1/1) ... [2024-11-20 09:55:22,450 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:55:22" (1/1) ... [2024-11-20 09:55:22,454 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:55:22" (1/1) ... [2024-11-20 09:55:22,463 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:55:22" (1/1) ... [2024-11-20 09:55:22,469 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:55:22" (1/1) ... [2024-11-20 09:55:22,482 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 09:55:22,483 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 09:55:22,483 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 09:55:22,485 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 09:55:22,485 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:55:22" (1/1) ... [2024-11-20 09:55:22,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 09:55:22,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 09:55:22,526 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) [2024-11-20 09:55:22,530 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 [2024-11-20 09:55:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-20 09:55:22,578 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-20 09:55:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-20 09:55:22,579 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-20 09:55:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 09:55:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-20 09:55:22,579 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-20 09:55:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 09:55:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 09:55:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 09:55:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 09:55:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 09:55:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-20 09:55:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-20 09:55:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-20 09:55:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-20 09:55:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 09:55:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 09:55:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 09:55:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 09:55:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 09:55:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-20 09:55:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-20 09:55:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-20 09:55:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-20 09:55:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-20 09:55:22,580 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-20 09:55:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 09:55:22,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 09:55:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 09:55:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 09:55:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 09:55:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 09:55:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 09:55:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 09:55:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 09:55:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-20 09:55:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-20 09:55:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-20 09:55:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-20 09:55:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 09:55:22,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 09:55:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-20 09:55:22,581 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-20 09:55:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 09:55:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 09:55:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 09:55:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 09:55:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 09:55:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-20 09:55:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-20 09:55:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-20 09:55:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-20 09:55:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 09:55:22,582 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 09:55:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 09:55:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-20 09:55:22,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-20 09:55:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 09:55:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 09:55:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 09:55:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 09:55:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-20 09:55:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-20 09:55:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-20 09:55:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-20 09:55:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-20 09:55:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 09:55:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 09:55:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 09:55:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 09:55:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 09:55:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-20 09:55:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-20 09:55:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-20 09:55:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-20 09:55:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-20 09:55:22,586 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-20 09:55:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-20 09:55:22,586 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-20 09:55:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure assert_bytes_match [2024-11-20 09:55:22,587 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_bytes_match [2024-11-20 09:55:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-20 09:55:22,587 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-20 09:55:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 09:55:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 09:55:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 09:55:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 09:55:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 09:55:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-20 09:55:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-20 09:55:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-20 09:55:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-20 09:55:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 09:55:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 09:55:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 09:55:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 09:55:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 09:55:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-20 09:55:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-20 09:55:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-20 09:55:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-20 09:55:22,867 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 09:55:22,869 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 09:55:30,577 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2024-11-20 09:55:30,577 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 09:55:30,593 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 09:55:30,593 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 09:55:30,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:55:30 BoogieIcfgContainer [2024-11-20 09:55:30,594 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 09:55:30,595 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 09:55:30,595 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 09:55:30,598 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 09:55:30,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:55:19" (1/3) ... [2024-11-20 09:55:30,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f809b7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:55:30, skipping insertion in model container [2024-11-20 09:55:30,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:55:22" (2/3) ... [2024-11-20 09:55:30,600 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f809b7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:55:30, skipping insertion in model container [2024-11-20 09:55:30,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:55:30" (3/3) ... [2024-11-20 09:55:30,601 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_append_with_lookup_harness_negated.i [2024-11-20 09:55:30,616 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 09:55:30,616 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 09:55:30,673 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 09:55:30,678 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;@7387d416, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 09:55:30,680 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 09:55:30,685 INFO L276 IsEmpty]: Start isEmpty. Operand has 164 states, 106 states have (on average 1.2264150943396226) internal successors, (130), 107 states have internal predecessors, (130), 44 states have call successors, (44), 12 states have call predecessors, (44), 12 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-20 09:55:30,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-20 09:55:30,699 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:55:30,700 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 09:55:30,701 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:55:30,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:55:30,705 INFO L85 PathProgramCache]: Analyzing trace with hash -454301623, now seen corresponding path program 1 times [2024-11-20 09:55:30,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:55:30,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351475089] [2024-11-20 09:55:30,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:55:30,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:57:00,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:57:00,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 09:57:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:57:00,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 09:57:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:57:01,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 09:57:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:57:01,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 09:57:01,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:57:01,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 09:57:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:57:01,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 09:57:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:57:01,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 09:57:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:57:01,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-20 09:57:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:57:01,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 09:57:01,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:57:01,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:57:01,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:57:01,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 09:57:01,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:57:01,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 09:57:01,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:57:01,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:57:01,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:57:01,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:57:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:57:01,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:57:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:57:01,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 09:57:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:57:01,186 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-11-20 09:57:01,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:57:01,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351475089] [2024-11-20 09:57:01,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351475089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:57:01,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:57:01,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 09:57:01,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204770827] [2024-11-20 09:57:01,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:57:01,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 09:57:01,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:57:01,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 09:57:01,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 09:57:01,218 INFO L87 Difference]: Start difference. First operand has 164 states, 106 states have (on average 1.2264150943396226) internal successors, (130), 107 states have internal predecessors, (130), 44 states have call successors, (44), 12 states have call predecessors, (44), 12 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16)