./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_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_write_be16_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 57a18073b2c44f50c41075cb58c545f11651aa11bf22ee68e7e7b5aa1590e494 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 19:48:32,266 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 19:48:32,340 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 19:48:32,344 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 19:48:32,345 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 19:48:32,379 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 19:48:32,380 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 19:48:32,381 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 19:48:32,381 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 19:48:32,382 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 19:48:32,382 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 19:48:32,383 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 19:48:32,384 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 19:48:32,386 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 19:48:32,394 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 19:48:32,395 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 19:48:32,395 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 19:48:32,399 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 19:48:32,399 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 19:48:32,400 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 19:48:32,400 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 19:48:32,400 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 19:48:32,400 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 19:48:32,401 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 19:48:32,401 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 19:48:32,401 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 19:48:32,401 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 19:48:32,402 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 19:48:32,402 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 19:48:32,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:48:32,402 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 19:48:32,402 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 19:48:32,403 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 19:48:32,403 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 19:48:32,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 19:48:32,403 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 19:48:32,403 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 19:48:32,404 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 19:48:32,404 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 19:48:32,404 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57a18073b2c44f50c41075cb58c545f11651aa11bf22ee68e7e7b5aa1590e494 [2024-11-16 19:48:32,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 19:48:32,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 19:48:32,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 19:48:32,678 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 19:48:32,679 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 19:48:32,680 INFO L431 ainManager$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_negated.i [2024-11-16 19:48:34,210 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 19:48:34,673 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 19:48:34,674 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i [2024-11-16 19:48:34,717 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b07eb7a3/39599d4f16ef4688b0f776a8bb5b630f/FLAG161ee38fc [2024-11-16 19:48:34,730 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b07eb7a3/39599d4f16ef4688b0f776a8bb5b630f [2024-11-16 19:48:34,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 19:48:34,734 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 19:48:34,735 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 19:48:34,735 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 19:48:34,741 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 19:48:34,742 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:48:34" (1/1) ... [2024-11-16 19:48:34,742 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59360e00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:34, skipping insertion in model container [2024-11-16 19:48:34,743 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:48:34" (1/1) ... [2024-11-16 19:48:34,854 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 19:48:35,194 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_negated.i[4497,4510] [2024-11-16 19:48:35,207 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_negated.i[4557,4570] [2024-11-16 19:48:37,001 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:37,006 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:37,007 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:37,007 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:37,008 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:37,025 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:37,027 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:37,034 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:37,035 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:37,972 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:37,977 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:38,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:48:38,190 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 19:48:38,207 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_negated.i[4497,4510] [2024-11-16 19:48:38,212 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_negated.i[4557,4570] [2024-11-16 19:48:38,264 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:38,265 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:38,265 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:38,266 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:38,266 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:38,273 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:38,276 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:38,277 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:38,278 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:38,418 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2024-11-16 19:48:38,420 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:38,421 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:38,437 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2024-11-16 19:48:38,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:48:38,724 INFO L204 MainTranslator]: Completed translation [2024-11-16 19:48:38,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:38 WrapperNode [2024-11-16 19:48:38,724 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 19:48:38,725 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 19:48:38,726 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 19:48:38,726 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 19:48:38,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:38" (1/1) ... [2024-11-16 19:48:38,911 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:38" (1/1) ... [2024-11-16 19:48:38,978 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 11, statements flattened = 882 [2024-11-16 19:48:38,978 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 19:48:38,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 19:48:38,979 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 19:48:38,979 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 19:48:38,992 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:38" (1/1) ... [2024-11-16 19:48:38,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:38" (1/1) ... [2024-11-16 19:48:39,004 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:38" (1/1) ... [2024-11-16 19:48:39,112 INFO L175 MemorySlicer]: Split 562 memory accesses to 7 slices as follows [2, 257, 238, 4, 6, 8, 47]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 0, 0, 5, 8]. The 497 writes are split as follows [0, 257, 232, 2, 2, 1, 3]. [2024-11-16 19:48:39,115 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:38" (1/1) ... [2024-11-16 19:48:39,116 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:38" (1/1) ... [2024-11-16 19:48:39,159 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:38" (1/1) ... [2024-11-16 19:48:39,161 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:38" (1/1) ... [2024-11-16 19:48:39,175 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:38" (1/1) ... [2024-11-16 19:48:39,183 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:38" (1/1) ... [2024-11-16 19:48:39,200 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 19:48:39,203 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 19:48:39,203 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 19:48:39,203 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 19:48:39,204 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:38" (1/1) ... [2024-11-16 19:48:39,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:48:39,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:48:39,240 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 19:48:39,242 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 19:48:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-16 19:48:39,292 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-16 19:48:39,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 19:48:39,292 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 19:48:39,292 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 19:48:39,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 19:48:39,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 19:48:39,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 19:48:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 19:48:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 19:48:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-16 19:48:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-16 19:48:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 19:48:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 19:48:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 19:48:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 19:48:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 19:48:39,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 19:48:39,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-16 19:48:39,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 19:48:39,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 19:48:39,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 19:48:39,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 19:48:39,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 19:48:39,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 19:48:39,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 19:48:39,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 19:48:39,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 19:48:39,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-16 19:48:39,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-16 19:48:39,296 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-16 19:48:39,296 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-16 19:48:39,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 19:48:39,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 19:48:39,297 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 19:48:39,297 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 19:48:39,297 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-16 19:48:39,297 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-16 19:48:39,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 19:48:39,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 19:48:39,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 19:48:39,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 19:48:39,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 19:48:39,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-16 19:48:39,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-16 19:48:39,298 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 19:48:39,298 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 19:48:39,298 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-16 19:48:39,298 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-16 19:48:39,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 19:48:39,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 19:48:39,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 19:48:39,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 19:48:39,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 19:48:39,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 19:48:39,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-16 19:48:39,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-16 19:48:39,299 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-16 19:48:39,299 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-16 19:48:39,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 19:48:39,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 19:48:39,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 19:48:39,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 19:48:39,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 19:48:39,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-16 19:48:39,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-16 19:48:39,299 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-16 19:48:39,299 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-16 19:48:39,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 19:48:39,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 19:48:39,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 19:48:39,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 19:48:39,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 19:48:39,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 19:48:39,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-16 19:48:39,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 19:48:39,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 19:48:39,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 19:48:39,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 19:48:39,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 19:48:39,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 19:48:39,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-16 19:48:39,661 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 19:48:39,663 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 19:48:39,702 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-16 19:48:39,813 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7367: 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; [2024-11-16 19:48:39,826 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 19:48:39,841 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7310: havoc #t~ret657.base, #t~ret657.offset; [2024-11-16 19:48:48,126 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2024-11-16 19:48:48,126 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4041: havoc aws_hton16_#t~nondet269#1; [2024-11-16 19:48:48,126 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2024-11-16 19:48:48,126 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L264: havoc nondet_uint16_t_#t~nondet7#1; [2024-11-16 19:48:48,126 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8552: 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; [2024-11-16 19:48:48,194 INFO L? ?]: Removed 107 outVars from TransFormulas that were not future-live. [2024-11-16 19:48:48,195 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 19:48:48,211 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 19:48:48,212 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 19:48:48,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:48:48 BoogieIcfgContainer [2024-11-16 19:48:48,213 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 19:48:48,215 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 19:48:48,215 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 19:48:48,219 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 19:48:48,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:48:34" (1/3) ... [2024-11-16 19:48:48,220 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d8810b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:48:48, skipping insertion in model container [2024-11-16 19:48:48,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:38" (2/3) ... [2024-11-16 19:48:48,220 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d8810b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:48:48, skipping insertion in model container [2024-11-16 19:48:48,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:48:48" (3/3) ... [2024-11-16 19:48:48,221 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be16_harness_negated.i [2024-11-16 19:48:48,238 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 19:48:48,238 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 19:48:48,308 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 19:48:48,315 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;@7f1dc9ea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 19:48:48,315 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 19:48:48,318 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) [2024-11-16 19:48:48,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-16 19:48:48,331 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:48:48,332 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] [2024-11-16 19:48:48,332 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:48:48,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:48:48,337 INFO L85 PathProgramCache]: Analyzing trace with hash 195704137, now seen corresponding path program 1 times [2024-11-16 19:48:48,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:48:48,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742015116] [2024-11-16 19:48:48,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:48:48,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:50:07,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat