./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f 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_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 df84751ae907cf8e2f81d69c2889b453b5ccdd1cae9e7b45e78c48443104a63e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 10:57:42,780 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 10:57:42,867 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 10:57:42,879 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 10:57:42,880 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 10:57:42,907 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 10:57:42,908 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 10:57:42,909 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 10:57:42,909 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 10:57:42,910 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 10:57:42,911 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 10:57:42,911 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 10:57:42,912 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 10:57:42,912 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 10:57:42,912 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 10:57:42,913 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 10:57:42,913 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 10:57:42,913 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 10:57:42,914 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 10:57:42,914 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 10:57:42,917 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 10:57:42,918 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 10:57:42,918 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 10:57:42,919 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 10:57:42,919 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 10:57:42,919 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 10:57:42,920 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 10:57:42,922 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 10:57:42,923 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 10:57:42,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:57:42,923 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 10:57:42,923 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 10:57:42,924 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 10:57:42,924 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 10:57:42,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 10:57:42,924 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 10:57:42,925 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 10:57:42,925 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 10:57:42,925 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 10:57:42,925 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df84751ae907cf8e2f81d69c2889b453b5ccdd1cae9e7b45e78c48443104a63e [2024-11-10 10:57:43,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 10:57:43,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 10:57:43,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 10:57:43,239 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 10:57:43,239 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 10:57:43,241 INFO L431 ainManager$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_negated.i [2024-11-10 10:57:44,780 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 10:57:45,276 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 10:57:45,277 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness_negated.i [2024-11-10 10:57:45,327 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b808ab07/d8af74582f9c41df90f6b036159be51f/FLAGb0a151910 [2024-11-10 10:57:45,345 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b808ab07/d8af74582f9c41df90f6b036159be51f [2024-11-10 10:57:45,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 10:57:45,351 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 10:57:45,353 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 10:57:45,353 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 10:57:45,360 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 10:57:45,361 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:57:45" (1/1) ... [2024-11-10 10:57:45,362 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e772d52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:45, skipping insertion in model container [2024-11-10 10:57:45,362 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:57:45" (1/1) ... [2024-11-10 10:57:45,509 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 10:57:45,810 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_negated.i[4499,4512] [2024-11-10 10:57:45,824 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_negated.i[4559,4572] [2024-11-10 10:57:46,528 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:46,529 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:46,531 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:46,532 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:46,533 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:46,549 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:46,551 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:46,553 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:46,555 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:47,112 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:47,114 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:47,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:57:47,259 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 10:57:47,279 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_negated.i[4499,4512] [2024-11-10 10:57:47,280 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_negated.i[4559,4572] [2024-11-10 10:57:47,321 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:47,322 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:47,322 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:47,323 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:47,323 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:47,329 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:47,329 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:47,330 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:47,331 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:47,512 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-11-10 10:57:47,516 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:47,517 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:47,529 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2024-11-10 10:57:47,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:57:47,791 INFO L204 MainTranslator]: Completed translation [2024-11-10 10:57:47,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:47 WrapperNode [2024-11-10 10:57:47,792 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 10:57:47,793 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 10:57:47,793 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 10:57:47,794 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 10:57:47,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:47" (1/1) ... [2024-11-10 10:57:47,904 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:47" (1/1) ... [2024-11-10 10:57:48,006 INFO L138 Inliner]: procedures = 680, calls = 2639, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 1027 [2024-11-10 10:57:48,008 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 10:57:48,008 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 10:57:48,008 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 10:57:48,009 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 10:57:48,019 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:47" (1/1) ... [2024-11-10 10:57:48,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:47" (1/1) ... [2024-11-10 10:57:48,029 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:47" (1/1) ... [2024-11-10 10:57:48,119 INFO L175 MemorySlicer]: Split 567 memory accesses to 8 slices as follows [257, 2, 6, 248, 4, 37, 8, 5]. 45 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [0, 2, 0, 6, 2, 2, 2, 5]. The 504 writes are split as follows [257, 0, 2, 236, 0, 9, 0, 0]. [2024-11-10 10:57:48,119 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:47" (1/1) ... [2024-11-10 10:57:48,120 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:47" (1/1) ... [2024-11-10 10:57:48,170 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:47" (1/1) ... [2024-11-10 10:57:48,172 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:47" (1/1) ... [2024-11-10 10:57:48,191 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:47" (1/1) ... [2024-11-10 10:57:48,198 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:47" (1/1) ... [2024-11-10 10:57:48,220 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 10:57:48,221 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 10:57:48,222 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 10:57:48,222 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 10:57:48,223 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:47" (1/1) ... [2024-11-10 10:57:48,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:57:48,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:57:48,257 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) [2024-11-10 10:57:48,259 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 [2024-11-10 10:57:48,303 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_read [2024-11-10 10:57:48,305 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_read [2024-11-10 10:57:48,305 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-10 10:57:48,305 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-10 10:57:48,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 10:57:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-10 10:57:48,307 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-10 10:57:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2024-11-10 10:57:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2024-11-10 10:57:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2024-11-10 10:57:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2024-11-10 10:57:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2024-11-10 10:57:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2024-11-10 10:57:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#6 [2024-11-10 10:57:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#7 [2024-11-10 10:57:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-10 10:57:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-10 10:57:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-10 10:57:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-10 10:57:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-10 10:57:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-10 10:57:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-10 10:57:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-10 10:57:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 10:57:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 10:57:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 10:57:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 10:57:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-10 10:57:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-10 10:57:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-10 10:57:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-10 10:57:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 10:57:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 10:57:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 10:57:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 10:57:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 10:57:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 10:57:48,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-10 10:57:48,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-10 10:57:48,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-10 10:57:48,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-10 10:57:48,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-10 10:57:48,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-10 10:57:48,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-10 10:57:48,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-10 10:57:48,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-10 10:57:48,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-10 10:57:48,312 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-10 10:57:48,312 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-10 10:57:48,313 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-10 10:57:48,313 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-10 10:57:48,313 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-10 10:57:48,314 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-10 10:57:48,314 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-10 10:57:48,314 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-10 10:57:48,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 10:57:48,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 10:57:48,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 10:57:48,314 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ntoh16 [2024-11-10 10:57:48,314 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ntoh16 [2024-11-10 10:57:48,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 10:57:48,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 10:57:48,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 10:57:48,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 10:57:48,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 10:57:48,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 10:57:48,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-10 10:57:48,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-10 10:57:48,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-10 10:57:48,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 10:57:48,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 10:57:48,316 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-10 10:57:48,316 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-10 10:57:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-10 10:57:48,317 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-10 10:57:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-10 10:57:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-10 10:57:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-10 10:57:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-10 10:57:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-10 10:57:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-10 10:57:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-10 10:57:48,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-10 10:57:48,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 10:57:48,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 10:57:48,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 10:57:48,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 10:57:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 10:57:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-10 10:57:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-10 10:57:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-10 10:57:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-10 10:57:48,320 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-10 10:57:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 10:57:48,320 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 10:57:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 10:57:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 10:57:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 10:57:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 10:57:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 10:57:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-10 10:57:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-10 10:57:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-10 10:57:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-10 10:57:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 10:57:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 10:57:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 10:57:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 10:57:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 10:57:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-10 10:57:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-10 10:57:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-10 10:57:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-10 10:57:48,321 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-10 10:57:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 10:57:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 10:57:48,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 10:57:48,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 10:57:48,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 10:57:48,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-10 10:57:48,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-10 10:57:48,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-10 10:57:48,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2024-11-10 10:57:48,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2024-11-10 10:57:48,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2024-11-10 10:57:48,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2024-11-10 10:57:48,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2024-11-10 10:57:48,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2024-11-10 10:57:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#6 [2024-11-10 10:57:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#7 [2024-11-10 10:57:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 10:57:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 10:57:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 10:57:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 10:57:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 10:57:48,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 10:57:48,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-10 10:57:48,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-10 10:57:48,717 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 10:57:48,720 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 10:57:48,758 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-10 10:57:49,023 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8328: call ULTIMATE.dealloc(~#slice~0#1.base, ~#slice~0#1.offset);havoc ~#slice~0#1.base, ~#slice~0#1.offset; [2024-11-10 10:57:49,023 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8321: havoc aws_byte_cursor_advance_nospec_#t~mem1112#1;havoc aws_byte_cursor_advance_nospec_#t~mem1113#1.base, aws_byte_cursor_advance_nospec_#t~mem1113#1.offset;call ULTIMATE.dealloc(aws_byte_cursor_advance_nospec_~#rv~7#1.base, aws_byte_cursor_advance_nospec_~#rv~7#1.offset);havoc aws_byte_cursor_advance_nospec_~#rv~7#1.base, aws_byte_cursor_advance_nospec_~#rv~7#1.offset; [2024-11-10 10:57:49,045 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-10 10:57:49,058 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6888: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2024-11-10 10:57:49,109 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7355: havoc #t~mem693;havoc #t~mem694;havoc #t~mem695.base, #t~mem695.offset;havoc #t~short696;havoc #t~mem697;havoc #t~mem698.base, #t~mem698.offset;havoc #t~short699;havoc #t~short700;havoc #t~short701;havoc #t~short702; [2024-11-10 10:57:49,590 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4052: havoc #t~nondet270; [2024-11-10 10:57:49,741 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-10 10:57:58,400 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2024-11-10 10:57:58,535 INFO L? ?]: Removed 248 outVars from TransFormulas that were not future-live. [2024-11-10 10:57:58,535 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 10:57:58,573 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 10:57:58,573 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 10:57:58,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:57:58 BoogieIcfgContainer [2024-11-10 10:57:58,574 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 10:57:58,578 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 10:57:58,578 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 10:57:58,581 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 10:57:58,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:57:45" (1/3) ... [2024-11-10 10:57:58,583 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4128262d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:57:58, skipping insertion in model container [2024-11-10 10:57:58,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:47" (2/3) ... [2024-11-10 10:57:58,584 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4128262d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:57:58, skipping insertion in model container [2024-11-10 10:57:58,584 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:57:58" (3/3) ... [2024-11-10 10:57:58,585 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_read_be16_harness_negated.i [2024-11-10 10:57:58,604 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 10:57:58,605 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 10:57:58,679 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 10:57:58,686 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;@71ed2eab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 10:57:58,686 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 10:57:58,691 INFO L276 IsEmpty]: Start isEmpty. Operand has 184 states, 123 states have (on average 1.2764227642276422) internal successors, (157), 124 states have internal predecessors, (157), 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) [2024-11-10 10:57:58,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-10 10:57:58,704 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:57:58,705 INFO L215 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, 1] [2024-11-10 10:57:58,706 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:57:58,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:57:58,712 INFO L85 PathProgramCache]: Analyzing trace with hash -2060250338, now seen corresponding path program 1 times [2024-11-10 10:57:58,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:57:58,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647449358] [2024-11-10 10:57:58,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:57:58,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:59:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:17,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 10:59:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:17,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 10:59:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:17,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 10:59:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:17,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 10:59:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:17,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-10 10:59:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:17,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 10:59:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:17,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 10:59:17,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:17,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 10:59:17,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:17,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 10:59:17,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:17,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-10 10:59:17,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:17,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 10:59:17,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:17,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-10 10:59:17,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:17,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-10 10:59:17,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:17,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 10:59:17,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:17,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 10:59:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:17,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 10:59:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:17,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 10:59:17,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:17,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-10 10:59:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:17,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 10:59:17,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:17,893 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-10 10:59:17,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:59:17,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647449358] [2024-11-10 10:59:17,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647449358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:59:17,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:59:17,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 10:59:17,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699662686] [2024-11-10 10:59:17,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:59:17,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 10:59:17,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:59:17,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 10:59:17,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 10:59:17,931 INFO L87 Difference]: Start difference. First operand has 184 states, 123 states have (on average 1.2764227642276422) internal successors, (157), 124 states have internal predecessors, (157), 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 10.75) internal successors, (43), 2 states have internal predecessors, (43), 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)