./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 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.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-3289d67-m [2024-11-16 19:48:26,474 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 19:48:26,527 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 19:48:26,531 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 19:48:26,531 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 19:48:26,560 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 19:48:26,561 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 19:48:26,561 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 19:48:26,561 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 19:48:26,561 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 19:48:26,562 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 19:48:26,562 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 19:48:26,562 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 19:48:26,563 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 19:48:26,563 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 19:48:26,565 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 19:48:26,565 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 19:48:26,567 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 19:48:26,567 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 19:48:26,567 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 19:48:26,568 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 19:48:26,568 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 19:48:26,568 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 19:48:26,568 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 19:48:26,571 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 19:48:26,571 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 19:48:26,571 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 19:48:26,572 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 19:48:26,572 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 19:48:26,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:48:26,572 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 19:48:26,572 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 19:48:26,573 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 19:48:26,573 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 19:48:26,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 19:48:26,573 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 19:48:26,573 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 19:48:26,573 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 19:48:26,573 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 19:48:26,574 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e1b2479546ce911ed527b938020405849e60d55228e9e448b0bdaf9e8ba6509 [2024-11-16 19:48:26,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 19:48:26,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 19:48:26,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 19:48:26,821 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 19:48:26,822 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 19:48:26,822 INFO L431 ainManager$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 [2024-11-16 19:48:28,087 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 19:48:28,458 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 19:48:28,459 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness.i [2024-11-16 19:48:28,488 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d69fec56/5061907f9c3a429ba30eb45bc949536b/FLAG5facb7457 [2024-11-16 19:48:28,639 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d69fec56/5061907f9c3a429ba30eb45bc949536b [2024-11-16 19:48:28,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 19:48:28,645 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 19:48:28,646 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 19:48:28,646 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 19:48:28,651 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 19:48:28,652 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:48:28" (1/1) ... [2024-11-16 19:48:28,653 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ee886d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:28, skipping insertion in model container [2024-11-16 19:48:28,653 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:48:28" (1/1) ... [2024-11-16 19:48:28,716 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 19:48:28,949 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] [2024-11-16 19:48:28,954 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] [2024-11-16 19:48:29,452 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:29,456 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:29,456 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:29,456 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:29,457 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:29,467 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:29,468 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:29,469 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:29,469 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:29,938 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:29,942 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:30,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:48:30,082 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 19:48:30,097 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] [2024-11-16 19:48:30,098 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] [2024-11-16 19:48:30,216 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:30,222 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:30,222 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:30,223 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:30,223 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:30,232 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:30,232 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:30,233 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:30,233 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:30,373 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2024-11-16 19:48:30,375 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:30,375 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:30,384 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2024-11-16 19:48:30,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:48:30,596 INFO L204 MainTranslator]: Completed translation [2024-11-16 19:48:30,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:30 WrapperNode [2024-11-16 19:48:30,596 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 19:48:30,597 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 19:48:30,597 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 19:48:30,597 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 19:48:30,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:30" (1/1) ... [2024-11-16 19:48:30,680 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:30" (1/1) ... [2024-11-16 19:48:30,745 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 11, statements flattened = 882 [2024-11-16 19:48:30,746 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 19:48:30,746 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 19:48:30,746 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 19:48:30,746 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 19:48:30,756 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:30" (1/1) ... [2024-11-16 19:48:30,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:30" (1/1) ... [2024-11-16 19:48:30,764 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:30" (1/1) ... [2024-11-16 19:48:30,827 INFO L175 MemorySlicer]: Split 562 memory accesses to 7 slices as follows [2, 257, 238, 4, 8, 6, 47]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 0, 5, 0, 8]. The 497 writes are split as follows [0, 257, 232, 2, 1, 2, 3]. [2024-11-16 19:48:30,828 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:30" (1/1) ... [2024-11-16 19:48:30,828 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:30" (1/1) ... [2024-11-16 19:48:30,860 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:30" (1/1) ... [2024-11-16 19:48:30,861 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:30" (1/1) ... [2024-11-16 19:48:30,869 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:30" (1/1) ... [2024-11-16 19:48:30,878 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:30" (1/1) ... [2024-11-16 19:48:30,891 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 19:48:30,894 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 19:48:30,894 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 19:48:30,894 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 19:48:30,895 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:30" (1/1) ... [2024-11-16 19:48:30,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:48:30,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:48:30,923 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 19:48:30,937 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 19:48:30,970 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-16 19:48:30,971 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-16 19:48:30,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 19:48:30,972 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 19:48:30,972 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 19:48:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 19:48:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 19:48:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 19:48:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 19:48:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 19:48:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-16 19:48:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-16 19:48:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 19:48:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 19:48:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 19:48:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 19:48:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 19:48:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 19:48:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-16 19:48:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 19:48:30,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 19:48:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 19:48:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 19:48:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 19:48:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 19:48:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 19:48:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 19:48:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 19:48:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-16 19:48:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-16 19:48:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-16 19:48:30,975 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-16 19:48:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 19:48:30,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 19:48:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 19:48:30,976 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 19:48:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-16 19:48:30,976 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-16 19:48:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 19:48:30,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 19:48:30,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 19:48:30,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 19:48:30,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 19:48:30,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-16 19:48:30,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-16 19:48:30,977 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 19:48:30,977 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 19:48:30,977 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-16 19:48:30,978 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-16 19:48:30,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 19:48:30,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 19:48:30,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 19:48:30,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 19:48:30,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 19:48:30,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 19:48:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-16 19:48:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-16 19:48:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-16 19:48:30,979 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-16 19:48:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 19:48:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 19:48:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 19:48:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 19:48:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 19:48:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-16 19:48:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-16 19:48:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-16 19:48:30,979 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-16 19:48:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 19:48:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 19:48:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 19:48:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 19:48:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 19:48:30,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 19:48:30,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-16 19:48:30,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 19:48:30,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 19:48:30,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 19:48:30,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 19:48:30,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 19:48:30,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 19:48:30,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-16 19:48:31,312 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 19:48:31,313 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 19:48:31,349 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-16 19:48:31,471 INFO L1250 $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; [2024-11-16 19:48:31,488 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 19:48:31,494 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7342: havoc #t~ret657.base, #t~ret657.offset; [2024-11-16 19:48:38,717 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4041: havoc aws_hton16_#t~nondet269#1; [2024-11-16 19:48:38,717 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2024-11-16 19:48:38,717 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L264: havoc nondet_uint16_t_#t~nondet7#1; [2024-11-16 19:48:38,717 INFO L1250 $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; [2024-11-16 19:48:38,717 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2024-11-16 19:48:38,771 INFO L? ?]: Removed 107 outVars from TransFormulas that were not future-live. [2024-11-16 19:48:38,771 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 19:48:38,782 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 19:48:38,782 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 19:48:38,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:48:38 BoogieIcfgContainer [2024-11-16 19:48:38,782 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 19:48:38,786 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 19:48:38,786 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 19:48:38,789 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 19:48:38,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:48:28" (1/3) ... [2024-11-16 19:48:38,789 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b0aab7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:48:38, skipping insertion in model container [2024-11-16 19:48:38,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:30" (2/3) ... [2024-11-16 19:48:38,790 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b0aab7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:48:38, skipping insertion in model container [2024-11-16 19:48:38,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:48:38" (3/3) ... [2024-11-16 19:48:38,791 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be16_harness.i [2024-11-16 19:48:38,802 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 19:48:38,803 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 19:48:38,842 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 19:48:38,846 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;@19ce0444, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 19:48:38,847 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 19:48:38,849 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 19:48:38,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-16 19:48:38,857 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:48:38,858 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 19:48:38,858 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:48:38,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:48:38,861 INFO L85 PathProgramCache]: Analyzing trace with hash 195704137, now seen corresponding path program 1 times [2024-11-16 19:48:38,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:48:38,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593400742] [2024-11-16 19:48:38,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:48:38,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:49:52,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:49:54,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 19:49:54,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:49:54,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 19:49:54,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:49:54,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 19:49:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:49:54,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:49:54,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:49:54,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 19:49:54,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:49:54,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 19:49:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:49:54,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 19:49:54,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:49:54,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 19:49:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:49:54,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 19:49:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:49:54,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-16 19:49:54,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:49:54,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 19:49:54,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:49:54,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 19:49:54,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:49:54,905 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-16 19:49:54,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:49:54,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593400742] [2024-11-16 19:49:54,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593400742] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 19:49:54,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669244343] [2024-11-16 19:49:54,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:49:54,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 19:49:54,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:49:54,909 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) [2024-11-16 19:49:54,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process