./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1e1b2479546ce911ed527b938020405849e60d55228e9e448b0bdaf9e8ba6509 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 08:43:35,546 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 08:43:35,615 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-12 08:43:35,619 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 08:43:35,620 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 08:43:35,655 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 08:43:35,656 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 08:43:35,656 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 08:43:35,657 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 08:43:35,657 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 08:43:35,658 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 08:43:35,658 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 08:43:35,659 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 08:43:35,659 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 08:43:35,659 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 08:43:35,660 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 08:43:35,660 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 08:43:35,660 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 08:43:35,661 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 08:43:35,664 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 08:43:35,664 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 08:43:35,665 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 08:43:35,669 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 08:43:35,669 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 08:43:35,670 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 08:43:35,670 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 08:43:35,670 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 08:43:35,670 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 08:43:35,671 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 08:43:35,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:43:35,671 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 08:43:35,672 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 08:43:35,672 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 08:43:35,672 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 08:43:35,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 08:43:35,675 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 08:43:35,675 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 08:43:35,676 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 08:43:35,676 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 08:43:35,676 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e1b2479546ce911ed527b938020405849e60d55228e9e448b0bdaf9e8ba6509 [2024-11-12 08:43:35,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 08:43:36,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 08:43:36,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 08:43:36,013 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 08:43:36,013 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 08:43:36,014 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness.i [2024-11-12 08:43:37,433 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 08:43:37,981 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 08:43:37,982 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness.i [2024-11-12 08:43:38,031 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/213782d81/d8726e416b184e0ea859b5d1e4d17762/FLAG24fb4102f [2024-11-12 08:43:38,522 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/213782d81/d8726e416b184e0ea859b5d1e4d17762 [2024-11-12 08:43:38,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 08:43:38,528 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 08:43:38,533 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 08:43:38,533 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 08:43:38,539 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 08:43:38,540 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:43:38" (1/1) ... [2024-11-12 08:43:38,541 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a417686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:43:38, skipping insertion in model container [2024-11-12 08:43:38,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:43:38" (1/1) ... [2024-11-12 08:43:38,733 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 08:43:39,038 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_write_be16_harness.i[4497,4510] [2024-11-12 08:43:39,048 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_write_be16_harness.i[4557,4570] [2024-11-12 08:43:39,768 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:39,769 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:39,769 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:39,770 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:39,770 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:39,782 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:39,782 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:39,784 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:39,784 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:40,349 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:40,350 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:40,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:43:40,514 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 08:43:40,557 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_write_be16_harness.i[4497,4510] [2024-11-12 08:43:40,558 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_write_be16_harness.i[4557,4570] [2024-11-12 08:43:40,590 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:40,591 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:40,591 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:40,592 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:40,592 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:40,597 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:40,598 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:40,598 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:40,599 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:40,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2024-11-12 08:43:40,705 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:40,705 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:40,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2024-11-12 08:43:40,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:43:40,937 INFO L204 MainTranslator]: Completed translation [2024-11-12 08:43:40,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:43:40 WrapperNode [2024-11-12 08:43:40,938 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 08:43:40,938 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 08:43:40,938 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 08:43:40,939 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 08:43:40,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:43:40" (1/1) ... [2024-11-12 08:43:41,046 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:43:40" (1/1) ... [2024-11-12 08:43:41,137 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 11, statements flattened = 882 [2024-11-12 08:43:41,138 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 08:43:41,139 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 08:43:41,139 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 08:43:41,139 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 08:43:41,152 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:43:40" (1/1) ... [2024-11-12 08:43:41,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:43:40" (1/1) ... [2024-11-12 08:43:41,162 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:43:40" (1/1) ... [2024-11-12 08:43:41,254 INFO L175 MemorySlicer]: Split 562 memory accesses to 7 slices as follows [2, 47, 257, 238, 8, 6, 4]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 8, 0, 6, 5, 0, 0]. The 497 writes are split as follows [0, 3, 257, 232, 1, 2, 2]. [2024-11-12 08:43:41,255 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:43:40" (1/1) ... [2024-11-12 08:43:41,255 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:43:40" (1/1) ... [2024-11-12 08:43:41,298 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:43:40" (1/1) ... [2024-11-12 08:43:41,303 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:43:40" (1/1) ... [2024-11-12 08:43:41,318 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:43:40" (1/1) ... [2024-11-12 08:43:41,327 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:43:40" (1/1) ... [2024-11-12 08:43:41,341 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 08:43:41,342 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 08:43:41,342 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 08:43:41,342 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 08:43:41,343 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:43:40" (1/1) ... [2024-11-12 08:43:41,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:43:41,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:43:41,383 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 08:43:41,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 08:43:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-12 08:43:41,435 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-12 08:43:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 08:43:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-12 08:43:41,435 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-12 08:43:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-12 08:43:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-12 08:43:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-12 08:43:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-12 08:43:41,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-12 08:43:41,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-12 08:43:41,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-12 08:43:41,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 08:43:41,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 08:43:41,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 08:43:41,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 08:43:41,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 08:43:41,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-12 08:43:41,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-12 08:43:41,438 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 08:43:41,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 08:43:41,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 08:43:41,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 08:43:41,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 08:43:41,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 08:43:41,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 08:43:41,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-12 08:43:41,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-12 08:43:41,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-12 08:43:41,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-12 08:43:41,440 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-12 08:43:41,440 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-12 08:43:41,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 08:43:41,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 08:43:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-12 08:43:41,441 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-12 08:43:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-12 08:43:41,441 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-12 08:43:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-12 08:43:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-12 08:43:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-12 08:43:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-12 08:43:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-12 08:43:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-12 08:43:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-12 08:43:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 08:43:41,442 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 08:43:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-12 08:43:41,443 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-12 08:43:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 08:43:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 08:43:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 08:43:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 08:43:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-12 08:43:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-12 08:43:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-12 08:43:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-12 08:43:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-12 08:43:41,443 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-12 08:43:41,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-12 08:43:41,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-12 08:43:41,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-12 08:43:41,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-12 08:43:41,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-12 08:43:41,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-12 08:43:41,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-12 08:43:41,445 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-12 08:43:41,445 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-12 08:43:41,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 08:43:41,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 08:43:41,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 08:43:41,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 08:43:41,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 08:43:41,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-12 08:43:41,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-12 08:43:41,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 08:43:41,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 08:43:41,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 08:43:41,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 08:43:41,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 08:43:41,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-12 08:43:41,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-12 08:43:41,781 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 08:43:41,785 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 08:43:50,690 INFO L? ?]: Removed 107 outVars from TransFormulas that were not future-live. [2024-11-12 08:43:50,690 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 08:43:50,710 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 08:43:50,711 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 08:43:50,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:43:50 BoogieIcfgContainer [2024-11-12 08:43:50,712 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 08:43:50,714 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 08:43:50,715 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 08:43:50,719 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 08:43:50,719 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:43:38" (1/3) ... [2024-11-12 08:43:50,720 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62944881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:43:50, skipping insertion in model container [2024-11-12 08:43:50,720 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:43:40" (2/3) ... [2024-11-12 08:43:50,721 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62944881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:43:50, skipping insertion in model container [2024-11-12 08:43:50,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:43:50" (3/3) ... [2024-11-12 08:43:50,723 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be16_harness.i [2024-11-12 08:43:50,741 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 08:43:50,742 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 08:43:50,813 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 08:43:50,819 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;@286df643, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 08:43:50,819 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 08:43:50,824 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 87 states have (on average 1.2298850574712643) internal successors, (107), 88 states have internal predecessors, (107), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-12 08:43:50,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-12 08:43:50,835 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:43:50,836 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 08:43:50,836 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:43:50,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:43:50,843 INFO L85 PathProgramCache]: Analyzing trace with hash 632268755, now seen corresponding path program 1 times [2024-11-12 08:43:50,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:43:50,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845501839] [2024-11-12 08:43:50,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:43:50,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:45:05,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:45:06,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 08:45:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:45:06,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 08:45:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:45:06,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 08:45:06,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:45:06,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:45:06,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:45:06,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 08:45:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:45:06,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 08:45:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:45:06,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-12 08:45:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:45:06,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 08:45:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:45:06,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-12 08:45:06,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:45:06,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-12 08:45:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:45:06,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-12 08:45:06,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:45:06,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 08:45:06,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:45:06,723 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-12 08:45:06,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:45:06,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845501839] [2024-11-12 08:45:06,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845501839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:45:06,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 08:45:06,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 08:45:06,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281244631] [2024-11-12 08:45:06,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:45:06,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 08:45:06,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:45:06,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 08:45:06,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 08:45:06,766 INFO L87 Difference]: Start difference. First operand has 133 states, 87 states have (on average 1.2298850574712643) internal successors, (107), 88 states have internal predecessors, (107), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-12 08:45:10,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 08:45:13,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 08:45:13,180 INFO L93 Difference]: Finished difference Result 261 states and 370 transitions. [2024-11-12 08:45:13,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 08:45:13,183 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 87 [2024-11-12 08:45:13,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 08:45:13,192 INFO L225 Difference]: With dead ends: 261 [2024-11-12 08:45:13,192 INFO L226 Difference]: Without dead ends: 128 [2024-11-12 08:45:13,196 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 08:45:13,200 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 75 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 21 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2024-11-12 08:45:13,201 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 119 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 114 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2024-11-12 08:45:13,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-12 08:45:13,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2024-11-12 08:45:13,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 83 states have (on average 1.2048192771084338) internal successors, (100), 84 states have internal predecessors, (100), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-12 08:45:13,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 167 transitions. [2024-11-12 08:45:13,249 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 167 transitions. Word has length 87 [2024-11-12 08:45:13,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 08:45:13,249 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 167 transitions. [2024-11-12 08:45:13,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-12 08:45:13,250 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 167 transitions. [2024-11-12 08:45:13,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-12 08:45:13,253 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:45:13,253 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 08:45:13,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 08:45:13,254 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:45:13,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:45:13,254 INFO L85 PathProgramCache]: Analyzing trace with hash 481976023, now seen corresponding path program 1 times [2024-11-12 08:45:13,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:45:13,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104463194] [2024-11-12 08:45:13,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:45:13,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms