./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_dynamic_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_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-wip.dd.update-z3-fca748b-m [2024-11-20 09:55:08,577 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 09:55:08,639 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 09:55:08,643 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 09:55:08,643 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 09:55:08,678 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 09:55:08,679 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 09:55:08,679 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 09:55:08,680 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 09:55:08,680 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 09:55:08,681 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 09:55:08,681 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 09:55:08,682 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 09:55:08,682 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 09:55:08,683 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 09:55:08,683 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 09:55:08,683 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 09:55:08,684 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 09:55:08,687 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 09:55:08,687 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 09:55:08,688 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 09:55:08,689 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 09:55:08,689 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 09:55:08,689 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 09:55:08,690 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 09:55:08,690 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 09:55:08,690 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 09:55:08,690 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 09:55:08,691 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 09:55:08,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 09:55:08,691 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 09:55:08,691 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 09:55:08,691 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 09:55:08,692 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 09:55:08,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 09:55:08,693 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 09:55:08,694 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 09:55:08,694 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 09:55:08,694 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 09:55:08,694 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70fdf4888600bb48b8cb4af60c2a43959940f60808ef921b3b5f10a980e62d04 [2024-11-20 09:55:08,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 09:55:08,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 09:55:08,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 09:55:08,977 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 09:55:08,977 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 09:55:08,979 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_dynamic_harness_negated.i [2024-11-20 09:55:10,546 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 09:55:11,116 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 09:55:11,118 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_dynamic_harness_negated.i [2024-11-20 09:55:11,160 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e765871ad/accccfcb5fd7407faa7abd3279d82c0e/FLAG055e08792 [2024-11-20 09:55:11,175 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e765871ad/accccfcb5fd7407faa7abd3279d82c0e [2024-11-20 09:55:11,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 09:55:11,180 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 09:55:11,181 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 09:55:11,181 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 09:55:11,188 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 09:55:11,188 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:55:11" (1/1) ... [2024-11-20 09:55:11,189 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40cbc74c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:55:11, skipping insertion in model container [2024-11-20 09:55:11,190 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:55:11" (1/1) ... [2024-11-20 09:55:11,300 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 09:55:11,712 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] [2024-11-20 09:55:11,723 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_dynamic_harness_negated.i[4561,4574] [2024-11-20 09:55:12,964 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:12,965 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:12,965 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:12,966 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:12,967 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:12,986 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:12,987 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:12,989 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:12,990 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:13,545 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:13,546 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:13,644 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:13,645 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:13,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 09:55:13,846 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 09:55:13,868 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] [2024-11-20 09:55:13,869 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] [2024-11-20 09:55:13,906 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:13,906 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:13,907 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:13,907 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:13,908 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:13,913 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:13,914 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:13,915 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:13,915 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:14,012 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:14,012 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:14,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8265] [2024-11-20 09:55:14,075 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:14,076 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:55:14,094 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8751-8762] [2024-11-20 09:55:14,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 09:55:14,388 INFO L204 MainTranslator]: Completed translation [2024-11-20 09:55:14,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:55:14 WrapperNode [2024-11-20 09:55:14,390 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 09:55:14,391 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 09:55:14,391 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 09:55:14,391 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 09:55:14,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:55:14" (1/1) ... [2024-11-20 09:55:14,525 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:55:14" (1/1) ... [2024-11-20 09:55:14,634 INFO L138 Inliner]: procedures = 680, calls = 2637, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 1080 [2024-11-20 09:55:14,636 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 09:55:14,637 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 09:55:14,637 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 09:55:14,637 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 09:55:14,648 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:55:14" (1/1) ... [2024-11-20 09:55:14,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:55:14" (1/1) ... [2024-11-20 09:55:14,662 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:55:14" (1/1) ... [2024-11-20 09:55:14,760 INFO L175 MemorySlicer]: Split 595 memory accesses to 9 slices as follows [257, 2, 238, 9, 5, 25, 47, 4, 8]. 43 percent of accesses are in the largest equivalence class. The 26 initializations are split as follows [0, 2, 6, 5, 1, 2, 4, 2, 4]. The 497 writes are split as follows [257, 0, 232, 1, 1, 1, 5, 0, 0]. [2024-11-20 09:55:14,760 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:55:14" (1/1) ... [2024-11-20 09:55:14,760 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:55:14" (1/1) ... [2024-11-20 09:55:14,873 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:55:14" (1/1) ... [2024-11-20 09:55:14,885 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:55:14" (1/1) ... [2024-11-20 09:55:14,900 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:55:14" (1/1) ... [2024-11-20 09:55:14,912 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:55:14" (1/1) ... [2024-11-20 09:55:14,942 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 09:55:14,943 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 09:55:14,946 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 09:55:14,946 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 09:55:14,947 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:55:14" (1/1) ... [2024-11-20 09:55:14,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 09:55:14,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 09:55:14,985 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 09:55:14,987 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 09:55:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-20 09:55:15,037 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-20 09:55:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-20 09:55:15,038 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-20 09:55:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 09:55:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-20 09:55:15,038 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-20 09:55:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-20 09:55:15,038 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-20 09:55:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 09:55:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 09:55:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 09:55:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 09:55:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 09:55:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-20 09:55:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-20 09:55:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-20 09:55:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-20 09:55:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 09:55:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 09:55:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 09:55:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 09:55:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 09:55:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-20 09:55:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-20 09:55:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-20 09:55:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-20 09:55:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-20 09:55:15,041 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-20 09:55:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 09:55:15,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 09:55:15,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 09:55:15,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 09:55:15,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 09:55:15,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 09:55:15,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 09:55:15,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 09:55:15,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 09:55:15,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-20 09:55:15,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-20 09:55:15,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-20 09:55:15,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-20 09:55:15,044 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-20 09:55:15,045 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-20 09:55:15,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 09:55:15,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 09:55:15,045 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-20 09:55:15,045 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-20 09:55:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 09:55:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 09:55:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 09:55:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 09:55:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 09:55:15,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-20 09:55:15,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-20 09:55:15,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-20 09:55:15,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-20 09:55:15,047 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-20 09:55:15,047 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-20 09:55:15,047 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-20 09:55:15,047 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-20 09:55:15,047 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 09:55:15,047 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 09:55:15,047 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-20 09:55:15,047 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-20 09:55:15,048 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-20 09:55:15,048 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-20 09:55:15,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 09:55:15,048 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-20 09:55:15,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-20 09:55:15,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 09:55:15,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 09:55:15,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 09:55:15,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 09:55:15,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-20 09:55:15,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-20 09:55:15,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-20 09:55:15,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-20 09:55:15,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-20 09:55:15,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 09:55:15,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 09:55:15,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 09:55:15,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 09:55:15,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 09:55:15,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-20 09:55:15,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-20 09:55:15,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-20 09:55:15,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-20 09:55:15,051 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-20 09:55:15,051 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-20 09:55:15,052 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-20 09:55:15,052 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-20 09:55:15,052 INFO L130 BoogieDeclarations]: Found specification of procedure assert_bytes_match [2024-11-20 09:55:15,052 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_bytes_match [2024-11-20 09:55:15,052 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-20 09:55:15,052 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-20 09:55:15,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 09:55:15,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 09:55:15,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 09:55:15,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 09:55:15,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 09:55:15,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-20 09:55:15,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-20 09:55:15,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-20 09:55:15,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-20 09:55:15,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 09:55:15,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 09:55:15,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 09:55:15,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 09:55:15,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 09:55:15,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-20 09:55:15,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-20 09:55:15,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-20 09:55:15,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-20 09:55:15,481 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 09:55:15,484 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 09:55:23,952 INFO L? ?]: Removed 141 outVars from TransFormulas that were not future-live. [2024-11-20 09:55:23,953 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 09:55:23,977 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 09:55:23,979 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-20 09:55:23,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:55:23 BoogieIcfgContainer [2024-11-20 09:55:23,979 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 09:55:23,983 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 09:55:23,984 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 09:55:23,988 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 09:55:23,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:55:11" (1/3) ... [2024-11-20 09:55:23,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e150c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:55:23, skipping insertion in model container [2024-11-20 09:55:23,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:55:14" (2/3) ... [2024-11-20 09:55:23,991 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e150c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:55:23, skipping insertion in model container [2024-11-20 09:55:23,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:55:23" (3/3) ... [2024-11-20 09:55:23,993 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_append_dynamic_harness_negated.i [2024-11-20 09:55:24,011 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 09:55:24,011 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 09:55:24,089 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 09:55:24,096 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;@6db65f12, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 09:55:24,096 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 09:55:24,103 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) [2024-11-20 09:55:24,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-20 09:55:24,116 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:55:24,118 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] [2024-11-20 09:55:24,118 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:55:24,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:55:24,125 INFO L85 PathProgramCache]: Analyzing trace with hash 2028514092, now seen corresponding path program 1 times [2024-11-20 09:55:24,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:55:24,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121909151] [2024-11-20 09:55:24,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:55:24,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:56:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:56:40,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 09:56:40,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:56:40,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 09:56:40,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:56:40,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 09:56:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:56:40,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 09:56:40,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:56:40,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 09:56:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:56:40,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 09:56:40,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:56:40,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 09:56:40,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:56:40,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 09:56:40,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:56:40,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 09:56:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:56:40,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-20 09:56:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:56:40,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-20 09:56:40,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:56:40,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-20 09:56:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:56:40,602 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-20 09:56:40,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:56:40,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121909151] [2024-11-20 09:56:40,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121909151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:56:40,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:56:40,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 09:56:40,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39181039] [2024-11-20 09:56:40,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:56:40,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 09:56:40,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:56:40,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 09:56:40,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 09:56:40,643 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) [2024-11-20 09:56:44,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []