./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_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 da48e5de3ccd5190fb3d3934a3d9d423de1f83d4587f9dc2fa1f3f18a9362190 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 08:43:05,259 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 08:43:05,323 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-12 08:43:05,327 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 08:43:05,327 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 08:43:05,359 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 08:43:05,360 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 08:43:05,360 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 08:43:05,361 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 08:43:05,364 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 08:43:05,364 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 08:43:05,364 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 08:43:05,365 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 08:43:05,365 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 08:43:05,365 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 08:43:05,365 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 08:43:05,365 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 08:43:05,365 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 08:43:05,366 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 08:43:05,366 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 08:43:05,366 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 08:43:05,366 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 08:43:05,367 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 08:43:05,367 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 08:43:05,367 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 08:43:05,367 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 08:43:05,367 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 08:43:05,367 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 08:43:05,368 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 08:43:05,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:43:05,368 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 08:43:05,368 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 08:43:05,368 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 08:43:05,368 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 08:43:05,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 08:43:05,369 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 08:43:05,369 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 08:43:05,369 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 08:43:05,369 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 08:43:05,369 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da48e5de3ccd5190fb3d3934a3d9d423de1f83d4587f9dc2fa1f3f18a9362190 [2024-11-12 08:43:05,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 08:43:05,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 08:43:05,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 08:43:05,610 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 08:43:05,611 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 08:43:05,612 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i [2024-11-12 08:43:06,813 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 08:43:07,233 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 08:43:07,233 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness.i [2024-11-12 08:43:07,269 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfea6eeff/84bd78cf6dd3404b8b1fe6ac6895c082/FLAG6c4fdb460 [2024-11-12 08:43:07,286 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfea6eeff/84bd78cf6dd3404b8b1fe6ac6895c082 [2024-11-12 08:43:07,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 08:43:07,290 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 08:43:07,292 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 08:43:07,293 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 08:43:07,301 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 08:43:07,302 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:43:07" (1/1) ... [2024-11-12 08:43:07,302 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a67c930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:43:07, skipping insertion in model container [2024-11-12 08:43:07,303 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:43:07" (1/1) ... [2024-11-12 08:43:07,380 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 08:43:07,610 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_reserve_relative_harness.i[4503,4516] [2024-11-12 08:43:07,619 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_reserve_relative_harness.i[4563,4576] [2024-11-12 08:43:08,113 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:08,114 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:08,114 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:08,116 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:08,117 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:08,130 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:08,131 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:08,132 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:08,133 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:08,461 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:08,462 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:08,556 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:08,560 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:08,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:43:08,694 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 08:43:08,710 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_reserve_relative_harness.i[4503,4516] [2024-11-12 08:43:08,711 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_reserve_relative_harness.i[4563,4576] [2024-11-12 08:43:08,753 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:08,755 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:08,755 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:08,756 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:08,756 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:08,764 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:08,764 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:08,765 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:08,765 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:08,832 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:08,833 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:08,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8097] [2024-11-12 08:43:08,873 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:08,873 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:43:08,883 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8583-8594] [2024-11-12 08:43:08,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:43:09,126 INFO L204 MainTranslator]: Completed translation [2024-11-12 08:43:09,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:43:09 WrapperNode [2024-11-12 08:43:09,127 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 08:43:09,128 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 08:43:09,128 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 08:43:09,128 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 08:43:09,133 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:43:09" (1/1) ... [2024-11-12 08:43:09,225 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:43:09" (1/1) ... [2024-11-12 08:43:09,293 INFO L138 Inliner]: procedures = 681, calls = 2499, calls flagged for inlining = 58, calls inlined = 13, statements flattened = 1024 [2024-11-12 08:43:09,294 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 08:43:09,295 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 08:43:09,295 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 08:43:09,295 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 08:43:09,305 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:43:09" (1/1) ... [2024-11-12 08:43:09,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:43:09" (1/1) ... [2024-11-12 08:43:09,315 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:43:09" (1/1) ... [2024-11-12 08:43:09,366 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-12 08:43:09,367 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:43:09" (1/1) ... [2024-11-12 08:43:09,367 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:43:09" (1/1) ... [2024-11-12 08:43:09,391 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:43:09" (1/1) ... [2024-11-12 08:43:09,395 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:43:09" (1/1) ... [2024-11-12 08:43:09,399 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:43:09" (1/1) ... [2024-11-12 08:43:09,402 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:43:09" (1/1) ... [2024-11-12 08:43:09,409 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 08:43:09,409 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 08:43:09,409 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 08:43:09,410 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 08:43:09,414 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:43:09" (1/1) ... [2024-11-12 08:43:09,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:43:09,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:43:09,448 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 08:43:09,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 08:43:09,487 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-12 08:43:09,488 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-12 08:43:09,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 08:43:09,490 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-12 08:43:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-12 08:43:09,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-12 08:43:09,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-12 08:43:09,490 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-12 08:43:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-12 08:43:09,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 08:43:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 08:43:09,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 08:43:09,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 08:43:09,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-12 08:43:09,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 08:43:09,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 08:43:09,492 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-12 08:43:09,492 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-12 08:43:09,493 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2024-11-12 08:43:09,493 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2024-11-12 08:43:09,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-12 08:43:09,493 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-12 08:43:09,493 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-12 08:43:09,493 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 08:43:09,493 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 08:43:09,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 08:43:09,493 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-12 08:43:09,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-12 08:43:09,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-12 08:43:09,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-12 08:43:09,494 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-12 08:43:09,494 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-12 08:43:09,494 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-12 08:43:09,494 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-12 08:43:09,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-12 08:43:09,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-12 08:43:09,728 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 08:43:09,730 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 08:43:17,100 INFO L? ?]: Removed 127 outVars from TransFormulas that were not future-live. [2024-11-12 08:43:17,101 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 08:43:17,114 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 08:43:17,115 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-12 08:43:17,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:43:17 BoogieIcfgContainer [2024-11-12 08:43:17,116 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 08:43:17,117 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 08:43:17,118 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 08:43:17,121 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 08:43:17,121 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:43:07" (1/3) ... [2024-11-12 08:43:17,122 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c8b1491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:43:17, skipping insertion in model container [2024-11-12 08:43:17,122 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:43:09" (2/3) ... [2024-11-12 08:43:17,123 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c8b1491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:43:17, skipping insertion in model container [2024-11-12 08:43:17,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:43:17" (3/3) ... [2024-11-12 08:43:17,124 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_relative_harness.i [2024-11-12 08:43:17,137 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 08:43:17,137 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 08:43:17,194 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 08:43:17,199 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;@70279711, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 08:43:17,199 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 08:43:17,202 INFO L276 IsEmpty]: Start isEmpty. Operand has 161 states, 112 states have (on average 1.3125) internal successors, (147), 111 states have internal predecessors, (147), 38 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-12 08:43:17,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-12 08:43:17,208 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:43:17,209 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 08:43:17,209 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:43:17,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:43:17,213 INFO L85 PathProgramCache]: Analyzing trace with hash -835620094, now seen corresponding path program 1 times [2024-11-12 08:43:17,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:43:17,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68993582] [2024-11-12 08:43:17,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:43:17,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:44:32,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:44:33,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:44:33,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:44:33,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 08:44:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:44:33,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:44:33,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:44:33,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 08:44:33,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:44:33,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 08:44:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:44:33,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 08:44:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:44:33,242 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 08:44:33,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:44:33,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68993582] [2024-11-12 08:44:33,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68993582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:44:33,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 08:44:33,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 08:44:33,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311409555] [2024-11-12 08:44:33,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:44:33,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 08:44:33,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:44:33,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 08:44:33,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 08:44:33,287 INFO L87 Difference]: Start difference. First operand has 161 states, 112 states have (on average 1.3125) internal successors, (147), 111 states have internal predecessors, (147), 38 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-12 08:44:37,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 08:44:41,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.53s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 08:44:44,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 08:44:44,956 INFO L93 Difference]: Finished difference Result 322 states and 457 transitions. [2024-11-12 08:44:44,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 08:44:44,959 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 47 [2024-11-12 08:44:44,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 08:44:44,967 INFO L225 Difference]: With dead ends: 322 [2024-11-12 08:44:44,967 INFO L226 Difference]: Without dead ends: 166 [2024-11-12 08:44:44,973 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 08:44:44,976 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 137 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 88 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2024-11-12 08:44:44,977 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 253 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 175 Invalid, 2 Unknown, 0 Unchecked, 11.5s Time] [2024-11-12 08:44:44,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-12 08:44:45,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 156. [2024-11-12 08:44:45,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 106 states have (on average 1.2547169811320755) internal successors, (133), 107 states have internal predecessors, (133), 38 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-12 08:44:45,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 208 transitions. [2024-11-12 08:44:45,023 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 208 transitions. Word has length 47 [2024-11-12 08:44:45,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 08:44:45,024 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 208 transitions. [2024-11-12 08:44:45,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-12 08:44:45,024 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 208 transitions. [2024-11-12 08:44:45,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-12 08:44:45,025 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:44:45,026 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 08:44:45,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 08:44:45,026 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:44:45,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:44:45,027 INFO L85 PathProgramCache]: Analyzing trace with hash 926397958, now seen corresponding path program 1 times [2024-11-12 08:44:45,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:44:45,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866220658] [2024-11-12 08:44:45,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:44:45,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms