./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f 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_cursor_read_be16_harness.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 f6da3aa04741dedcde0205dc04a8136a445ebd58b30adbc60377ecda455d64bb --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 08:49:50,792 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 08:49:50,858 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-12 08:49:50,864 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 08:49:50,865 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 08:49:50,888 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 08:49:50,889 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 08:49:50,890 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 08:49:50,890 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 08:49:50,891 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 08:49:50,891 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 08:49:50,892 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 08:49:50,892 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 08:49:50,893 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 08:49:50,894 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 08:49:50,895 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 08:49:50,895 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 08:49:50,895 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 08:49:50,895 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 08:49:50,896 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 08:49:50,896 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 08:49:50,899 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 08:49:50,900 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 08:49:50,900 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 08:49:50,900 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 08:49:50,901 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 08:49:50,901 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 08:49:50,901 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 08:49:50,901 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 08:49:50,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:49:50,902 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 08:49:50,902 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 08:49:50,902 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 08:49:50,902 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 08:49:50,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 08:49:50,903 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 08:49:50,903 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 08:49:50,903 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 08:49:50,903 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 08:49:50,904 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6da3aa04741dedcde0205dc04a8136a445ebd58b30adbc60377ecda455d64bb [2024-11-12 08:49:51,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 08:49:51,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 08:49:51,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 08:49:51,181 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 08:49:51,181 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 08:49:51,182 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i [2024-11-12 08:49:52,533 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 08:49:52,946 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 08:49:52,947 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i [2024-11-12 08:49:52,983 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c978bc8f4/4b3285d0617d4cca9d24c0484a17b553/FLAG83866ec46 [2024-11-12 08:49:53,100 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c978bc8f4/4b3285d0617d4cca9d24c0484a17b553 [2024-11-12 08:49:53,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 08:49:53,104 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 08:49:53,105 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 08:49:53,105 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 08:49:53,116 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 08:49:53,118 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:49:53" (1/1) ... [2024-11-12 08:49:53,118 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b52f4f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:49:53, skipping insertion in model container [2024-11-12 08:49:53,119 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:49:53" (1/1) ... [2024-11-12 08:49:53,195 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 08:49:53,416 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_cursor_read_be16_harness.i[4499,4512] [2024-11-12 08:49:53,425 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_cursor_read_be16_harness.i[4559,4572] [2024-11-12 08:49:53,998 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:53,999 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:53,999 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:54,000 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:54,000 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:54,009 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:54,010 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:54,011 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:54,012 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:54,454 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:54,455 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:54,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:49:54,559 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 08:49:54,573 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_cursor_read_be16_harness.i[4499,4512] [2024-11-12 08:49:54,577 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_cursor_read_be16_harness.i[4559,4572] [2024-11-12 08:49:54,609 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:54,611 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:54,613 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:54,614 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:54,614 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:54,625 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:54,625 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:54,628 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:54,629 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:54,758 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-12 08:49:54,759 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:54,760 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:49:54,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2024-11-12 08:49:54,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:49:55,012 INFO L204 MainTranslator]: Completed translation [2024-11-12 08:49:55,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:49:55 WrapperNode [2024-11-12 08:49:55,013 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 08:49:55,017 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 08:49:55,017 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 08:49:55,017 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 08:49:55,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:49:55" (1/1) ... [2024-11-12 08:49:55,098 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:49:55" (1/1) ... [2024-11-12 08:49:55,153 INFO L138 Inliner]: procedures = 680, calls = 2639, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 1027 [2024-11-12 08:49:55,153 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 08:49:55,154 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 08:49:55,154 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 08:49:55,154 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 08:49:55,164 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:49:55" (1/1) ... [2024-11-12 08:49:55,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:49:55" (1/1) ... [2024-11-12 08:49:55,171 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:49:55" (1/1) ... [2024-11-12 08:49:55,265 INFO L175 MemorySlicer]: Split 567 memory accesses to 8 slices as follows [257, 2, 6, 4, 248, 37, 8, 5]. 45 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [0, 2, 0, 2, 6, 2, 2, 5]. The 504 writes are split as follows [257, 0, 2, 0, 236, 9, 0, 0]. [2024-11-12 08:49:55,266 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:49:55" (1/1) ... [2024-11-12 08:49:55,266 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:49:55" (1/1) ... [2024-11-12 08:49:55,302 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:49:55" (1/1) ... [2024-11-12 08:49:55,309 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:49:55" (1/1) ... [2024-11-12 08:49:55,317 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:49:55" (1/1) ... [2024-11-12 08:49:55,323 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:49:55" (1/1) ... [2024-11-12 08:49:55,335 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 08:49:55,336 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 08:49:55,336 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 08:49:55,337 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 08:49:55,337 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:49:55" (1/1) ... [2024-11-12 08:49:55,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:49:55,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:49:55,372 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) [2024-11-12 08:49:55,375 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 [2024-11-12 08:49:55,414 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_read [2024-11-12 08:49:55,416 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_read [2024-11-12 08:49:55,416 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-12 08:49:55,416 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-12 08:49:55,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 08:49:55,416 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-12 08:49:55,416 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-12 08:49:55,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2024-11-12 08:49:55,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2024-11-12 08:49:55,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2024-11-12 08:49:55,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2024-11-12 08:49:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2024-11-12 08:49:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2024-11-12 08:49:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#6 [2024-11-12 08:49:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#7 [2024-11-12 08:49:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-12 08:49:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-12 08:49:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-12 08:49:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-12 08:49:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-12 08:49:55,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-12 08:49:55,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-12 08:49:55,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-12 08:49:55,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-12 08:49:55,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-12 08:49:55,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-12 08:49:55,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-12 08:49:55,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-12 08:49:55,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-12 08:49:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-12 08:49:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-12 08:49:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 08:49:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 08:49:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 08:49:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 08:49:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 08:49:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-12 08:49:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-12 08:49:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-12 08:49:55,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-12 08:49:55,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-12 08:49:55,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-12 08:49:55,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-12 08:49:55,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-12 08:49:55,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-12 08:49:55,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-12 08:49:55,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-12 08:49:55,422 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-12 08:49:55,422 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-12 08:49:55,422 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-12 08:49:55,422 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-12 08:49:55,422 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-12 08:49:55,423 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-12 08:49:55,423 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-12 08:49:55,423 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-12 08:49:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 08:49:55,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 08:49:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 08:49:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ntoh16 [2024-11-12 08:49:55,423 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ntoh16 [2024-11-12 08:49:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 08:49:55,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 08:49:55,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 08:49:55,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 08:49:55,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-12 08:49:55,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-12 08:49:55,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-12 08:49:55,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-12 08:49:55,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-12 08:49:55,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 08:49:55,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 08:49:55,425 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-12 08:49:55,425 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-12 08:49:55,425 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-12 08:49:55,425 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-12 08:49:55,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-12 08:49:55,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-12 08:49:55,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-12 08:49:55,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-12 08:49:55,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-12 08:49:55,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-12 08:49:55,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-12 08:49:55,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-12 08:49:55,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-12 08:49:55,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-12 08:49:55,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-12 08:49:55,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-12 08:49:55,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-12 08:49:55,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-12 08:49:55,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-12 08:49:55,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-12 08:49:55,428 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-12 08:49:55,428 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-12 08:49:55,428 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 08:49:55,428 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 08:49:55,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 08:49:55,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 08:49:55,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 08:49:55,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 08:49:55,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-12 08:49:55,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-12 08:49:55,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-12 08:49:55,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-12 08:49:55,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-12 08:49:55,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-12 08:49:55,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-12 08:49:55,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-12 08:49:55,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-12 08:49:55,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-12 08:49:55,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-12 08:49:55,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-12 08:49:55,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-12 08:49:55,430 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-12 08:49:55,430 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-12 08:49:55,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 08:49:55,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 08:49:55,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 08:49:55,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 08:49:55,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 08:49:55,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-12 08:49:55,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-12 08:49:55,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-12 08:49:55,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2024-11-12 08:49:55,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2024-11-12 08:49:55,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2024-11-12 08:49:55,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2024-11-12 08:49:55,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2024-11-12 08:49:55,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2024-11-12 08:49:55,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#6 [2024-11-12 08:49:55,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#7 [2024-11-12 08:49:55,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 08:49:55,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 08:49:55,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 08:49:55,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 08:49:55,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 08:49:55,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-12 08:49:55,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-12 08:49:55,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-12 08:49:55,731 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 08:49:55,733 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 08:50:03,700 INFO L? ?]: Removed 248 outVars from TransFormulas that were not future-live. [2024-11-12 08:50:03,701 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 08:50:03,717 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 08:50:03,717 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 08:50:03,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:50:03 BoogieIcfgContainer [2024-11-12 08:50:03,718 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 08:50:03,720 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 08:50:03,720 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 08:50:03,723 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 08:50:03,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:49:53" (1/3) ... [2024-11-12 08:50:03,724 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22f5b614 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:50:03, skipping insertion in model container [2024-11-12 08:50:03,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:49:55" (2/3) ... [2024-11-12 08:50:03,725 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22f5b614 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:50:03, skipping insertion in model container [2024-11-12 08:50:03,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:50:03" (3/3) ... [2024-11-12 08:50:03,726 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_read_be16_harness.i [2024-11-12 08:50:03,740 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 08:50:03,741 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 08:50:03,814 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 08:50:03,821 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;@323487d9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 08:50:03,822 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 08:50:03,826 INFO L276 IsEmpty]: Start isEmpty. Operand has 182 states, 121 states have (on average 1.28099173553719) internal successors, (155), 122 states have internal predecessors, (155), 48 states have call successors, (48), 11 states have call predecessors, (48), 11 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-12 08:50:03,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-12 08:50:03,885 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:50:03,886 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 08:50:03,886 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:50:03,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:50:03,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1547617861, now seen corresponding path program 1 times [2024-11-12 08:50:03,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:50:03,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672458078] [2024-11-12 08:50:03,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:50:03,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:51:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:51:26,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:51:26,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:51:26,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:51:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:51:26,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 08:51:26,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:51:26,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 08:51:26,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:51:26,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 08:51:26,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:51:26,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 08:51:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:51:26,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 08:51:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:51:26,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 08:51:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:51:26,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-12 08:51:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:51:26,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-12 08:51:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:51:26,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-12 08:51:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:51:27,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-12 08:51:27,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:51:27,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-12 08:51:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:51:27,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 08:51:27,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:51:27,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 08:51:27,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:51:27,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 08:51:27,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:51:27,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 08:51:27,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:51:27,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-12 08:51:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:51:27,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 08:51:27,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:51:27,093 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-12 08:51:27,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:51:27,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672458078] [2024-11-12 08:51:27,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672458078] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:51:27,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 08:51:27,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 08:51:27,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469457345] [2024-11-12 08:51:27,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:51:27,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 08:51:27,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:51:27,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 08:51:27,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 08:51:27,129 INFO L87 Difference]: Start difference. First operand has 182 states, 121 states have (on average 1.28099173553719) internal successors, (155), 122 states have internal predecessors, (155), 48 states have call successors, (48), 11 states have call predecessors, (48), 11 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-12 08:51:31,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []