./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_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_init_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 faa65859e31290f7e8032666f55af3608361dac3b397b8750b8c31e227a4d695 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 10:50:02,177 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 10:50:02,238 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 10:50:02,243 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 10:50:02,244 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 10:50:02,274 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 10:50:02,274 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 10:50:02,275 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 10:50:02,275 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 10:50:02,276 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 10:50:02,277 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 10:50:02,277 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 10:50:02,277 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 10:50:02,278 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 10:50:02,278 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 10:50:02,280 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 10:50:02,280 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 10:50:02,280 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 10:50:02,281 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 10:50:02,281 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 10:50:02,281 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 10:50:02,282 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 10:50:02,283 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 10:50:02,283 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 10:50:02,283 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 10:50:02,284 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 10:50:02,284 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 10:50:02,284 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 10:50:02,284 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 10:50:02,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:50:02,288 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 10:50:02,288 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 10:50:02,289 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 10:50:02,289 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 10:50:02,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 10:50:02,289 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 10:50:02,289 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 10:50:02,289 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 10:50:02,290 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 10:50:02,290 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> faa65859e31290f7e8032666f55af3608361dac3b397b8750b8c31e227a4d695 [2024-11-10 10:50:02,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 10:50:02,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 10:50:02,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 10:50:02,594 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 10:50:02,594 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 10:50:02,595 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness.i [2024-11-10 10:50:03,989 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 10:50:04,452 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 10:50:04,454 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness.i [2024-11-10 10:50:04,497 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b3a99e45/38b1def8267d4bc798bb3a0904bc09e0/FLAG501f371ac [2024-11-10 10:50:04,574 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b3a99e45/38b1def8267d4bc798bb3a0904bc09e0 [2024-11-10 10:50:04,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 10:50:04,578 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 10:50:04,579 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 10:50:04,579 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 10:50:04,584 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 10:50:04,585 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:50:04" (1/1) ... [2024-11-10 10:50:04,585 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71d9ca8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:04, skipping insertion in model container [2024-11-10 10:50:04,586 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:50:04" (1/1) ... [2024-11-10 10:50:04,697 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 10:50:05,000 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_init_harness.i[4491,4504] [2024-11-10 10:50:05,012 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_init_harness.i[4551,4564] [2024-11-10 10:50:05,723 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:05,723 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:05,724 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:05,725 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:05,725 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:05,746 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:05,750 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:05,752 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:05,752 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:06,242 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:06,243 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:06,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:50:06,400 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 10:50:06,417 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_init_harness.i[4491,4504] [2024-11-10 10:50:06,417 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_init_harness.i[4551,4564] [2024-11-10 10:50:06,474 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:06,475 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:06,475 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:06,475 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:06,476 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:06,481 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:06,482 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:06,483 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:06,483 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:06,640 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8051] [2024-11-10 10:50:06,643 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:06,643 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:06,654 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8537-8548] [2024-11-10 10:50:06,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:50:06,912 INFO L204 MainTranslator]: Completed translation [2024-11-10 10:50:06,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:06 WrapperNode [2024-11-10 10:50:06,913 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 10:50:06,914 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 10:50:06,914 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 10:50:06,914 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 10:50:06,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:06" (1/1) ... [2024-11-10 10:50:07,024 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:06" (1/1) ... [2024-11-10 10:50:07,085 INFO L138 Inliner]: procedures = 679, calls = 2495, calls flagged for inlining = 55, calls inlined = 6, statements flattened = 790 [2024-11-10 10:50:07,086 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 10:50:07,086 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 10:50:07,087 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 10:50:07,087 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 10:50:07,099 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:06" (1/1) ... [2024-11-10 10:50:07,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:06" (1/1) ... [2024-11-10 10:50:07,110 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:06" (1/1) ... [2024-11-10 10:50:07,199 INFO L175 MemorySlicer]: Split 522 memory accesses to 5 slices as follows [2, 257, 238, 20, 5]. 49 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 4, 5]. The 493 writes are split as follows [0, 257, 232, 4, 0]. [2024-11-10 10:50:07,202 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:06" (1/1) ... [2024-11-10 10:50:07,202 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:06" (1/1) ... [2024-11-10 10:50:07,243 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:06" (1/1) ... [2024-11-10 10:50:07,244 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:06" (1/1) ... [2024-11-10 10:50:07,250 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:06" (1/1) ... [2024-11-10 10:50:07,254 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:06" (1/1) ... [2024-11-10 10:50:07,262 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 10:50:07,263 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 10:50:07,267 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 10:50:07,267 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 10:50:07,268 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:06" (1/1) ... [2024-11-10 10:50:07,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:50:07,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:50:07,362 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 10:50:07,382 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 10:50:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-10 10:50:07,505 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-10 10:50:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 10:50:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-10 10:50:07,506 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-10 10:50:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-10 10:50:07,506 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-10 10:50:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 10:50:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 10:50:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 10:50:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 10:50:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-10 10:50:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 10:50:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 10:50:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 10:50:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 10:50:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 10:50:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-10 10:50:07,507 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-10 10:50:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 10:50:07,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 10:50:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 10:50:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 10:50:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 10:50:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 10:50:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 10:50:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 10:50:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 10:50:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 10:50:07,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 10:50:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-10 10:50:07,508 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-10 10:50:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 10:50:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 10:50:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 10:50:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 10:50:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 10:50:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-10 10:50:07,514 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-10 10:50:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 10:50:07,514 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 10:50:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-10 10:50:07,515 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-10 10:50:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 10:50:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 10:50:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 10:50:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 10:50:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 10:50:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-10 10:50:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 10:50:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 10:50:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 10:50:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 10:50:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 10:50:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-10 10:50:07,516 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-10 10:50:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 10:50:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 10:50:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 10:50:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 10:50:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 10:50:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 10:50:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 10:50:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 10:50:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 10:50:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 10:50:07,850 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 10:50:07,852 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 10:50:07,885 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6880: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-10 10:50:07,919 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6894: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2024-11-10 10:50:07,965 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7159: havoc #t~mem617;havoc #t~mem618;havoc #t~short619;havoc #t~mem620.base, #t~mem620.offset;havoc #t~short621;havoc #t~mem622;havoc #t~mem623;havoc #t~mem624;havoc #t~short625;havoc #t~mem626;havoc #t~mem627.base, #t~mem627.offset;havoc #t~short628;havoc #t~short629;havoc #t~short630;havoc #t~short631; [2024-11-10 10:50:07,995 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-10 10:50:08,003 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6919: havoc #t~ret569.base, #t~ret569.offset; [2024-11-10 10:50:15,638 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2024-11-10 10:50:15,665 INFO L? ?]: Removed 53 outVars from TransFormulas that were not future-live. [2024-11-10 10:50:15,666 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 10:50:15,680 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 10:50:15,681 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 10:50:15,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:50:15 BoogieIcfgContainer [2024-11-10 10:50:15,682 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 10:50:15,685 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 10:50:15,685 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 10:50:15,688 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 10:50:15,688 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:50:04" (1/3) ... [2024-11-10 10:50:15,690 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6532320a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:50:15, skipping insertion in model container [2024-11-10 10:50:15,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:06" (2/3) ... [2024-11-10 10:50:15,690 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6532320a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:50:15, skipping insertion in model container [2024-11-10 10:50:15,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:50:15" (3/3) ... [2024-11-10 10:50:15,692 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_init_harness.i [2024-11-10 10:50:15,709 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 10:50:15,709 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 10:50:15,786 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 10:50:15,793 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;@2c906cd8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 10:50:15,793 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 10:50:15,797 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 69 states have (on average 1.2318840579710144) internal successors, (85), 70 states have internal predecessors, (85), 20 states have call successors, (20), 10 states have call predecessors, (20), 10 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 10:50:15,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-10 10:50:15,806 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:50:15,806 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 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 10:50:15,807 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:50:15,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:50:15,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1171082476, now seen corresponding path program 1 times [2024-11-10 10:50:15,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:50:15,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592675155] [2024-11-10 10:50:15,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:50:15,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:51:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:51:34,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 10:51:34,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:51:34,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 10:51:34,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:51:34,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 10:51:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:51:34,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 10:51:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:51:34,221 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 10:51:34,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:51:34,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592675155] [2024-11-10 10:51:34,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592675155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:51:34,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:51:34,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 10:51:34,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849223248] [2024-11-10 10:51:34,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:51:34,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 10:51:34,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:51:34,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 10:51:34,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 10:51:34,260 INFO L87 Difference]: Start difference. First operand has 101 states, 69 states have (on average 1.2318840579710144) internal successors, (85), 70 states have internal predecessors, (85), 20 states have call successors, (20), 10 states have call predecessors, (20), 10 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 10:51:34,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:51:34,297 INFO L93 Difference]: Finished difference Result 195 states and 254 transitions. [2024-11-10 10:51:34,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 10:51:34,299 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 32 [2024-11-10 10:51:34,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:51:34,309 INFO L225 Difference]: With dead ends: 195 [2024-11-10 10:51:34,309 INFO L226 Difference]: Without dead ends: 94 [2024-11-10 10:51:34,317 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 10:51:34,321 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 10:51:34,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 10:51:34,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-10 10:51:34,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-10 10:51:34,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 63 states have (on average 1.2063492063492063) internal successors, (76), 64 states have internal predecessors, (76), 20 states have call successors, (20), 10 states have call predecessors, (20), 10 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 10:51:34,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 115 transitions. [2024-11-10 10:51:34,369 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 115 transitions. Word has length 32 [2024-11-10 10:51:34,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:51:34,370 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 115 transitions. [2024-11-10 10:51:34,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 10:51:34,371 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 115 transitions. [2024-11-10 10:51:34,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-10 10:51:34,375 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:51:34,375 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 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 10:51:34,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 10:51:34,376 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:51:34,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:51:34,377 INFO L85 PathProgramCache]: Analyzing trace with hash 486335884, now seen corresponding path program 1 times [2024-11-10 10:51:34,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:51:34,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186777602] [2024-11-10 10:51:34,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:51:34,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms