./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 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_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-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 10:51:07,514 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 10:51:07,604 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 10:51:07,608 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 10:51:07,608 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 10:51:07,627 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 10:51:07,628 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 10:51:07,628 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 10:51:07,629 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 10:51:07,629 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 10:51:07,629 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 10:51:07,630 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 10:51:07,630 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 10:51:07,631 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 10:51:07,631 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 10:51:07,631 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 10:51:07,632 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 10:51:07,632 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 10:51:07,632 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 10:51:07,633 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 10:51:07,633 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 10:51:07,634 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 10:51:07,634 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 10:51:07,634 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 10:51:07,635 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 10:51:07,635 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 10:51:07,635 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 10:51:07,636 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 10:51:07,636 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 10:51:07,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:51:07,637 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 10:51:07,637 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 10:51:07,637 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 10:51:07,638 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 10:51:07,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 10:51:07,638 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 10:51:07,638 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 10:51:07,639 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 10:51:07,639 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 10:51:07,639 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e1b2479546ce911ed527b938020405849e60d55228e9e448b0bdaf9e8ba6509 [2024-11-10 10:51:07,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 10:51:07,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 10:51:07,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 10:51:07,922 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 10:51:07,923 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 10:51:07,924 INFO L431 ainManager$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 [2024-11-10 10:51:09,338 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 10:51:09,781 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 10:51:09,782 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness.i [2024-11-10 10:51:09,825 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/870f92054/62ee8c3078f8498f9fbe421f8bacc8a3/FLAG13d83acf7 [2024-11-10 10:51:09,842 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/870f92054/62ee8c3078f8498f9fbe421f8bacc8a3 [2024-11-10 10:51:09,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 10:51:09,848 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 10:51:09,851 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 10:51:09,851 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 10:51:09,856 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 10:51:09,857 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:51:09" (1/1) ... [2024-11-10 10:51:09,858 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23e1429e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:09, skipping insertion in model container [2024-11-10 10:51:09,858 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:51:09" (1/1) ... [2024-11-10 10:51:09,992 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 10:51:10,310 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] [2024-11-10 10:51:10,320 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] [2024-11-10 10:51:11,076 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:11,077 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:11,078 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:11,078 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:11,079 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:11,091 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:11,092 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:11,094 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:11,094 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:11,657 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:11,658 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:11,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:51:11,796 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 10:51:11,812 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] [2024-11-10 10:51:11,813 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] [2024-11-10 10:51:11,857 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:11,857 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:11,857 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:11,858 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:11,858 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:11,875 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:11,875 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:11,876 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:11,876 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:12,020 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2024-11-10 10:51:12,024 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:12,025 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:51:12,039 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2024-11-10 10:51:12,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:51:12,324 INFO L204 MainTranslator]: Completed translation [2024-11-10 10:51:12,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:12 WrapperNode [2024-11-10 10:51:12,325 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 10:51:12,327 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 10:51:12,327 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 10:51:12,327 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 10:51:12,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:12" (1/1) ... [2024-11-10 10:51:12,451 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:12" (1/1) ... [2024-11-10 10:51:12,589 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 11, statements flattened = 882 [2024-11-10 10:51:12,590 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 10:51:12,590 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 10:51:12,590 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 10:51:12,591 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 10:51:12,604 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:12" (1/1) ... [2024-11-10 10:51:12,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:12" (1/1) ... [2024-11-10 10:51:12,619 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:12" (1/1) ... [2024-11-10 10:51:12,698 INFO L175 MemorySlicer]: Split 562 memory accesses to 7 slices as follows [2, 257, 238, 8, 4, 6, 47]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 5, 0, 0, 8]. The 497 writes are split as follows [0, 257, 232, 1, 2, 2, 3]. [2024-11-10 10:51:12,699 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:12" (1/1) ... [2024-11-10 10:51:12,700 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:12" (1/1) ... [2024-11-10 10:51:12,758 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:12" (1/1) ... [2024-11-10 10:51:12,760 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:12" (1/1) ... [2024-11-10 10:51:12,777 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:12" (1/1) ... [2024-11-10 10:51:12,789 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:12" (1/1) ... [2024-11-10 10:51:12,803 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 10:51:12,804 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 10:51:12,804 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 10:51:12,804 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 10:51:12,805 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:12" (1/1) ... [2024-11-10 10:51:12,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:51:12,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:51:12,843 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 10:51:12,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 10:51:12,893 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-10 10:51:12,894 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-10 10:51:12,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 10:51:12,895 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-10 10:51:12,895 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-10 10:51:12,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 10:51:12,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 10:51:12,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 10:51:12,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 10:51:12,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-10 10:51:12,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-10 10:51:12,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-10 10:51:12,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 10:51:12,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 10:51:12,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 10:51:12,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 10:51:12,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 10:51:12,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 10:51:12,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-10 10:51:12,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 10:51:12,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 10:51:12,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 10:51:12,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 10:51:12,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 10:51:12,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 10:51:12,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 10:51:12,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 10:51:12,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 10:51:12,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-10 10:51:12,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-10 10:51:12,899 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-10 10:51:12,899 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-10 10:51:12,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 10:51:12,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 10:51:12,900 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-10 10:51:12,900 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-10 10:51:12,900 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-10 10:51:12,900 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-10 10:51:12,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 10:51:12,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 10:51:12,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 10:51:12,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 10:51:12,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 10:51:12,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-10 10:51:12,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-10 10:51:12,902 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 10:51:12,902 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 10:51:12,902 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-10 10:51:12,902 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-10 10:51:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 10:51:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 10:51:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 10:51:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 10:51:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 10:51:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-10 10:51:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-10 10:51:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-10 10:51:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-10 10:51:12,903 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-10 10:51:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 10:51:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 10:51:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 10:51:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 10:51:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 10:51:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-10 10:51:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-10 10:51:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-10 10:51:12,904 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-10 10:51:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 10:51:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 10:51:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 10:51:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 10:51:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 10:51:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-10 10:51:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-10 10:51:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 10:51:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 10:51:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 10:51:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 10:51:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 10:51:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 10:51:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-10 10:51:13,238 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 10:51:13,240 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 10:51:13,272 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-10 10:51:13,391 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7399: havoc #t~mem682;havoc #t~mem683;havoc #t~short684;havoc #t~mem685.base, #t~mem685.offset;havoc #t~short686;havoc #t~mem687;havoc #t~mem688;havoc #t~mem689;havoc #t~short690;havoc #t~mem691;havoc #t~mem692.base, #t~mem692.offset;havoc #t~short693;havoc #t~short694;havoc #t~short695;havoc #t~short696; [2024-11-10 10:51:13,413 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-10 10:51:13,422 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7342: havoc #t~ret657.base, #t~ret657.offset; [2024-11-10 10:51:21,730 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4041: havoc aws_hton16_#t~nondet269#1; [2024-11-10 10:51:21,730 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2024-11-10 10:51:21,730 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L264: havoc nondet_uint16_t_#t~nondet7#1; [2024-11-10 10:51:21,730 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8584: havoc aws_byte_buf_write_be16_#t~ret1202#1;call ULTIMATE.dealloc(aws_byte_buf_write_be16_~#x#1.base, aws_byte_buf_write_be16_~#x#1.offset);havoc aws_byte_buf_write_be16_~#x#1.base, aws_byte_buf_write_be16_~#x#1.offset; [2024-11-10 10:51:21,730 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2024-11-10 10:51:21,799 INFO L? ?]: Removed 107 outVars from TransFormulas that were not future-live. [2024-11-10 10:51:21,800 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 10:51:21,817 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 10:51:21,818 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 10:51:21,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:51:21 BoogieIcfgContainer [2024-11-10 10:51:21,818 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 10:51:21,822 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 10:51:21,822 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 10:51:21,825 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 10:51:21,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:51:09" (1/3) ... [2024-11-10 10:51:21,827 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@124301b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:51:21, skipping insertion in model container [2024-11-10 10:51:21,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:12" (2/3) ... [2024-11-10 10:51:21,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@124301b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:51:21, skipping insertion in model container [2024-11-10 10:51:21,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:51:21" (3/3) ... [2024-11-10 10:51:21,829 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be16_harness.i [2024-11-10 10:51:21,847 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 10:51:21,847 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 10:51:21,918 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 10:51:21,926 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;@455cd5a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 10:51:21,928 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 10:51:21,932 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 88 states have (on average 1.2272727272727273) internal successors, (108), 89 states have internal predecessors, (108), 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) [2024-11-10 10:51:21,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-10 10:51:21,947 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:51:21,949 INFO L215 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] [2024-11-10 10:51:21,950 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:51:21,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:51:21,956 INFO L85 PathProgramCache]: Analyzing trace with hash 195704137, now seen corresponding path program 1 times [2024-11-10 10:51:21,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:51:21,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674749782] [2024-11-10 10:51:21,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:51:21,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:52:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:52:45,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 10:52:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:52:45,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-10 10:52:45,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:52:45,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 10:52:45,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:52:45,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 10:52:45,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:52:45,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 10:52:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:52:46,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 10:52:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:52:46,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:52:46,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:52:46,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:52:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:52:46,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 10:52:46,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:52:46,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 10:52:46,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:52:46,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 10:52:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:52:46,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 10:52:46,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:52:46,401 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-10 10:52:46,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:52:46,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674749782] [2024-11-10 10:52:46,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674749782] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 10:52:46,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [860453498] [2024-11-10 10:52:46,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:52:46,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 10:52:46,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:52:46,406 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 10:52:46,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process