./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_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 405c1ec90d5a90e81495140f9bf47a8a22bd7e0c555d7b6deaec7143608df286 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 19:44:01,151 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 19:44:01,234 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 19:44:01,240 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 19:44:01,241 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 19:44:01,259 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 19:44:01,259 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 19:44:01,259 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 19:44:01,260 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 19:44:01,260 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 19:44:01,260 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 19:44:01,261 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 19:44:01,261 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 19:44:01,263 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 19:44:01,263 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 19:44:01,263 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 19:44:01,263 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 19:44:01,264 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 19:44:01,264 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 19:44:01,264 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 19:44:01,268 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 19:44:01,268 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 19:44:01,269 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 19:44:01,269 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 19:44:01,269 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 19:44:01,269 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 19:44:01,269 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 19:44:01,269 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 19:44:01,270 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 19:44:01,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:44:01,270 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 19:44:01,270 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 19:44:01,270 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 19:44:01,271 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 19:44:01,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 19:44:01,271 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 19:44:01,271 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 19:44:01,271 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 19:44:01,271 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 19:44:01,271 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 405c1ec90d5a90e81495140f9bf47a8a22bd7e0c555d7b6deaec7143608df286 [2024-11-16 19:44:01,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 19:44:01,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 19:44:01,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 19:44:01,506 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 19:44:01,507 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 19:44:01,508 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness_negated.i [2024-11-16 19:44:02,888 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 19:44:03,263 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 19:44:03,264 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness_negated.i [2024-11-16 19:44:03,304 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aff7bad3c/3a4043a7b593476a91ef0c0a8b101330/FLAGcaa16325c [2024-11-16 19:44:03,318 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aff7bad3c/3a4043a7b593476a91ef0c0a8b101330 [2024-11-16 19:44:03,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 19:44:03,322 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 19:44:03,324 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 19:44:03,325 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 19:44:03,333 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 19:44:03,334 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:44:03" (1/1) ... [2024-11-16 19:44:03,334 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a6b876b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:44:03, skipping insertion in model container [2024-11-16 19:44:03,334 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:44:03" (1/1) ... [2024-11-16 19:44:03,409 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 19:44:03,655 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness_negated.i[4490,4503] [2024-11-16 19:44:03,661 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness_negated.i[4550,4563] [2024-11-16 19:44:04,346 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:44:04,351 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:44:04,351 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:44:04,352 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:44:04,352 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:44:04,367 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:44:04,368 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:44:04,369 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:44:04,370 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:44:04,808 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:44:04,808 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:44:04,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:44:04,924 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 19:44:04,941 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness_negated.i[4490,4503] [2024-11-16 19:44:04,942 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness_negated.i[4550,4563] [2024-11-16 19:44:04,985 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:44:04,986 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:44:04,986 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:44:04,986 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:44:04,987 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:44:04,991 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:44:04,995 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:44:04,996 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:44:04,997 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:44:05,111 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2024-11-16 19:44:05,114 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:44:05,115 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:44:05,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2024-11-16 19:44:05,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:44:05,286 INFO L204 MainTranslator]: Completed translation [2024-11-16 19:44:05,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:44:05 WrapperNode [2024-11-16 19:44:05,289 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 19:44:05,290 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 19:44:05,290 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 19:44:05,290 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 19:44:05,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:44:05" (1/1) ... [2024-11-16 19:44:05,360 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:44:05" (1/1) ... [2024-11-16 19:44:05,432 INFO L138 Inliner]: procedures = 680, calls = 2722, calls flagged for inlining = 59, calls inlined = 8, statements flattened = 1085 [2024-11-16 19:44:05,433 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 19:44:05,433 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 19:44:05,433 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 19:44:05,433 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 19:44:05,445 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:44:05" (1/1) ... [2024-11-16 19:44:05,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:44:05" (1/1) ... [2024-11-16 19:44:05,495 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:44:05" (1/1) ... [2024-11-16 19:44:05,620 INFO L175 MemorySlicer]: Split 627 memory accesses to 8 slices as follows [257, 2, 17, 246, 8, 87, 6, 4]. 41 percent of accesses are in the largest equivalence class. The 47 initializations are split as follows [0, 2, 2, 11, 4, 28, 0, 0]. The 500 writes are split as follows [257, 0, 2, 233, 0, 3, 2, 3]. [2024-11-16 19:44:05,621 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:44:05" (1/1) ... [2024-11-16 19:44:05,621 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:44:05" (1/1) ... [2024-11-16 19:44:05,657 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:44:05" (1/1) ... [2024-11-16 19:44:05,659 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:44:05" (1/1) ... [2024-11-16 19:44:05,667 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:44:05" (1/1) ... [2024-11-16 19:44:05,673 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:44:05" (1/1) ... [2024-11-16 19:44:05,684 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 19:44:05,685 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 19:44:05,685 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 19:44:05,685 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 19:44:05,686 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:44:05" (1/1) ... [2024-11-16 19:44:05,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:44:05,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:44:05,721 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) [2024-11-16 19:44:05,727 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 [2024-11-16 19:44:05,769 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-16 19:44:05,770 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-16 19:44:05,771 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-16 19:44:05,771 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-16 19:44:05,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 19:44:05,771 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 19:44:05,771 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 19:44:05,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2024-11-16 19:44:05,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2024-11-16 19:44:05,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2024-11-16 19:44:05,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2024-11-16 19:44:05,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2024-11-16 19:44:05,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2024-11-16 19:44:05,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#6 [2024-11-16 19:44:05,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#7 [2024-11-16 19:44:05,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-16 19:44:05,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-16 19:44:05,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-16 19:44:05,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-16 19:44:05,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-16 19:44:05,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-16 19:44:05,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-16 19:44:05,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-16 19:44:05,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 19:44:05,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 19:44:05,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 19:44:05,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 19:44:05,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 19:44:05,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-16 19:44:05,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-16 19:44:05,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-16 19:44:05,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 19:44:05,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 19:44:05,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 19:44:05,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 19:44:05,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 19:44:05,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 19:44:05,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-16 19:44:05,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-16 19:44:05,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-16 19:44:05,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-16 19:44:05,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-16 19:44:05,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-16 19:44:05,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-16 19:44:05,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-16 19:44:05,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-16 19:44:05,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-16 19:44:05,775 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-16 19:44:05,775 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-16 19:44:05,775 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-16 19:44:05,775 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-16 19:44:05,775 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-16 19:44:05,775 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-16 19:44:05,775 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-16 19:44:05,775 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-16 19:44:05,775 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-16 19:44:05,775 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-16 19:44:05,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 19:44:05,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 19:44:05,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 19:44:05,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 19:44:05,775 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-16 19:44:05,775 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-16 19:44:05,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 19:44:05,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 19:44:05,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 19:44:05,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 19:44:05,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 19:44:05,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-16 19:44:05,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-16 19:44:05,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-16 19:44:05,776 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-16 19:44:05,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-16 19:44:05,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 19:44:05,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 19:44:05,777 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 19:44:05,777 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 19:44:05,777 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-16 19:44:05,778 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-16 19:44:05,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-16 19:44:05,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-16 19:44:05,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-16 19:44:05,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-16 19:44:05,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-16 19:44:05,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-16 19:44:05,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-16 19:44:05,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-16 19:44:05,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 19:44:05,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 19:44:05,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 19:44:05,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 19:44:05,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 19:44:05,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-16 19:44:05,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-16 19:44:05,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-16 19:44:05,780 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 19:44:05,780 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 19:44:05,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 19:44:05,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 19:44:05,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 19:44:05,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 19:44:05,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 19:44:05,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 19:44:05,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-16 19:44:05,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-16 19:44:05,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-16 19:44:05,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 19:44:05,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 19:44:05,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 19:44:05,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 19:44:05,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 19:44:05,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-16 19:44:05,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-16 19:44:05,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-16 19:44:05,782 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-16 19:44:05,782 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-16 19:44:05,782 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2024-11-16 19:44:05,782 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2024-11-16 19:44:05,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 19:44:05,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 19:44:05,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 19:44:05,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 19:44:05,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 19:44:05,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 19:44:05,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-16 19:44:05,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-16 19:44:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2024-11-16 19:44:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2024-11-16 19:44:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2024-11-16 19:44:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2024-11-16 19:44:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2024-11-16 19:44:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2024-11-16 19:44:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#6 [2024-11-16 19:44:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#7 [2024-11-16 19:44:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2024-11-16 19:44:05,784 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2024-11-16 19:44:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 19:44:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 19:44:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 19:44:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 19:44:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 19:44:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 19:44:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-16 19:44:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-16 19:44:06,076 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 19:44:06,078 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 19:44:06,103 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-16 19:44:06,158 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7353: havoc #t~mem679;havoc #t~mem680;havoc #t~short681;havoc #t~mem682.base, #t~mem682.offset;havoc #t~short683;havoc #t~mem684;havoc #t~mem685;havoc #t~mem686;havoc #t~short687;havoc #t~mem688;havoc #t~mem689.base, #t~mem689.offset;havoc #t~short690;havoc #t~short691;havoc #t~short692;havoc #t~short693; [2024-11-16 19:44:06,178 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc #t~mem477; [2024-11-16 19:44:06,200 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7363: havoc #t~mem694;havoc #t~mem695;havoc #t~mem696.base, #t~mem696.offset;havoc #t~short697;havoc #t~mem698;havoc #t~mem699.base, #t~mem699.offset;havoc #t~short700;havoc #t~short701;havoc #t~short702;havoc #t~short703; [2024-11-16 19:44:06,586 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2024-11-16 19:44:06,728 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 19:44:14,092 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8216: havoc aws_byte_cursor_from_buf_#t~mem1072#1;havoc aws_byte_cursor_from_buf_#t~mem1073#1.base, aws_byte_cursor_from_buf_#t~mem1073#1.offset;call ULTIMATE.dealloc(aws_byte_cursor_from_buf_~#cur~0#1.base, aws_byte_cursor_from_buf_~#cur~0#1.offset);havoc aws_byte_cursor_from_buf_~#cur~0#1.base, aws_byte_cursor_from_buf_~#cur~0#1.offset; [2024-11-16 19:44:14,092 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7863: havoc aws_byte_buf_append_#t~ret873#1; [2024-11-16 19:44:14,194 INFO L? ?]: Removed 229 outVars from TransFormulas that were not future-live. [2024-11-16 19:44:14,198 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 19:44:14,215 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 19:44:14,216 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 19:44:14,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:44:14 BoogieIcfgContainer [2024-11-16 19:44:14,217 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 19:44:14,218 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 19:44:14,219 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 19:44:14,221 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 19:44:14,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:44:03" (1/3) ... [2024-11-16 19:44:14,222 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e321f34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:44:14, skipping insertion in model container [2024-11-16 19:44:14,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:44:05" (2/3) ... [2024-11-16 19:44:14,223 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e321f34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:44:14, skipping insertion in model container [2024-11-16 19:44:14,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:44:14" (3/3) ... [2024-11-16 19:44:14,224 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_cat_harness_negated.i [2024-11-16 19:44:14,237 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 19:44:14,238 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 19:44:14,295 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 19:44:14,300 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;@44e1152d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 19:44:14,301 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 19:44:14,305 INFO L276 IsEmpty]: Start isEmpty. Operand has 214 states, 126 states have (on average 1.2222222222222223) internal successors, (154), 127 states have internal predecessors, (154), 72 states have call successors, (72), 14 states have call predecessors, (72), 14 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-16 19:44:14,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-16 19:44:14,320 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:44:14,321 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2024-11-16 19:44:14,322 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:44:14,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:44:14,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1871415387, now seen corresponding path program 1 times [2024-11-16 19:44:14,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:44:14,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828157759] [2024-11-16 19:44:14,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:44:14,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:45:28,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:45:28,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:45:28,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:45:28,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 19:45:28,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:45:29,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 19:45:29,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:45:29,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:45:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:45:29,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 19:45:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:45:29,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:45:29,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:45:29,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 19:45:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:45:29,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 19:45:29,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:45:29,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 19:45:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:45:29,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 19:45:29,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:45:29,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 19:45:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:45:29,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:45:29,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:45:29,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 19:45:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:45:29,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:45:29,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:45:29,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-16 19:45:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:45:29,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 19:45:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:45:29,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 19:45:29,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:45:29,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-16 19:45:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:45:29,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-16 19:45:29,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:45:29,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:45:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:45:29,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 19:45:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:45:29,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:45:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:45:29,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 19:45:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:45:29,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-16 19:45:29,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:45:29,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-16 19:45:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:45:29,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:45:29,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:45:29,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 19:45:29,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:45:29,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:45:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:45:29,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 19:45:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:45:29,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-16 19:45:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:45:29,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-16 19:45:29,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:45:29,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-16 19:45:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:45:29,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 19:45:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:45:29,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 19:45:29,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:45:29,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 19:45:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:45:29,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 19:45:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:45:29,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-16 19:45:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:45:29,530 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-11-16 19:45:29,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:45:29,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828157759] [2024-11-16 19:45:29,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828157759] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:45:29,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 19:45:29,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 19:45:29,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087437659] [2024-11-16 19:45:29,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:45:29,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 19:45:29,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:45:29,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 19:45:29,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 19:45:29,561 INFO L87 Difference]: Start difference. First operand has 214 states, 126 states have (on average 1.2222222222222223) internal successors, (154), 127 states have internal predecessors, (154), 72 states have call successors, (72), 14 states have call predecessors, (72), 14 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (29), 5 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-16 19:45:33,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 19:45:38,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 19:45:43,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 19:45:43,480 INFO L93 Difference]: Finished difference Result 430 states and 647 transitions. [2024-11-16 19:45:43,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 19:45:43,487 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (29), 5 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 212 [2024-11-16 19:45:43,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 19:45:43,495 INFO L225 Difference]: With dead ends: 430 [2024-11-16 19:45:43,495 INFO L226 Difference]: Without dead ends: 215 [2024-11-16 19:45:43,499 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-16 19:45:43,501 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 290 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 243 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 243 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2024-11-16 19:45:43,502 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 270 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [243 Valid, 272 Invalid, 2 Unknown, 0 Unchecked, 13.2s Time] [2024-11-16 19:45:43,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-16 19:45:43,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 208. [2024-11-16 19:45:43,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 121 states have (on average 1.2066115702479339) internal successors, (146), 122 states have internal predecessors, (146), 72 states have call successors, (72), 14 states have call predecessors, (72), 14 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-16 19:45:43,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 289 transitions. [2024-11-16 19:45:43,555 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 289 transitions. Word has length 212 [2024-11-16 19:45:43,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 19:45:43,556 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 289 transitions. [2024-11-16 19:45:43,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (29), 5 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-16 19:45:43,556 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 289 transitions. [2024-11-16 19:45:43,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-16 19:45:43,563 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:45:43,564 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2024-11-16 19:45:43,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 19:45:43,564 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:45:43,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:45:43,565 INFO L85 PathProgramCache]: Analyzing trace with hash 2010970740, now seen corresponding path program 1 times [2024-11-16 19:45:43,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:45:43,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596597103] [2024-11-16 19:45:43,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:45:43,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms