./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/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_advance_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 9a96b91703f0cc76adc9b0fdbd8386a96920c1be21a810b6415a59c2166f1461 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 14:03:02,144 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 14:03:02,186 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 14:03:02,192 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 14:03:02,194 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 14:03:02,216 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 14:03:02,217 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 14:03:02,217 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 14:03:02,218 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 14:03:02,218 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 14:03:02,218 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 14:03:02,218 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 14:03:02,219 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 14:03:02,219 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 14:03:02,219 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 14:03:02,220 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 14:03:02,220 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 14:03:02,220 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 14:03:02,221 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 14:03:02,221 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 14:03:02,221 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 14:03:02,222 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 14:03:02,222 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 14:03:02,222 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 14:03:02,223 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 14:03:02,223 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 14:03:02,223 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 14:03:02,223 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 14:03:02,224 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 14:03:02,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:03:02,224 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 14:03:02,224 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 14:03:02,225 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 14:03:02,225 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 14:03:02,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 14:03:02,225 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 14:03:02,226 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 14:03:02,226 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 14:03:02,226 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 14:03:02,226 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a96b91703f0cc76adc9b0fdbd8386a96920c1be21a810b6415a59c2166f1461 [2024-11-22 14:03:02,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 14:03:02,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 14:03:02,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 14:03:02,475 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 14:03:02,476 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 14:03:02,477 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.i [2024-11-22 14:03:03,861 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 14:03:04,236 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 14:03:04,237 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.i [2024-11-22 14:03:04,269 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59e4b56f2/15d56ec4b65e456babc911af77a4dd04/FLAGb0db559e3 [2024-11-22 14:03:04,281 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59e4b56f2/15d56ec4b65e456babc911af77a4dd04 [2024-11-22 14:03:04,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 14:03:04,284 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 14:03:04,285 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 14:03:04,286 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 14:03:04,290 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 14:03:04,290 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:03:04" (1/1) ... [2024-11-22 14:03:04,291 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19758f56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:04, skipping insertion in model container [2024-11-22 14:03:04,293 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:03:04" (1/1) ... [2024-11-22 14:03:04,407 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 14:03:04,652 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_advance_harness.i[4494,4507] [2024-11-22 14:03:04,659 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_advance_harness.i[4554,4567] [2024-11-22 14:03:05,204 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:05,204 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:05,205 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:05,205 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:05,206 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:05,214 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:05,214 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:05,215 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:05,216 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:05,633 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:05,634 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:05,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:03:05,714 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 14:03:05,725 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_advance_harness.i[4494,4507] [2024-11-22 14:03:05,725 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_advance_harness.i[4554,4567] [2024-11-22 14:03:05,758 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:05,758 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:05,758 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:05,759 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:05,759 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:05,763 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:05,763 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:05,764 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:05,764 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:05,930 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2024-11-22 14:03:05,932 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:05,932 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:03:05,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2024-11-22 14:03:05,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:03:06,132 INFO L204 MainTranslator]: Completed translation [2024-11-22 14:03:06,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:06 WrapperNode [2024-11-22 14:03:06,133 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 14:03:06,134 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 14:03:06,134 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 14:03:06,135 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 14:03:06,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:06" (1/1) ... [2024-11-22 14:03:06,209 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:06" (1/1) ... [2024-11-22 14:03:06,272 INFO L138 Inliner]: procedures = 680, calls = 2671, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 975 [2024-11-22 14:03:06,273 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 14:03:06,273 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 14:03:06,273 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 14:03:06,273 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 14:03:06,282 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:06" (1/1) ... [2024-11-22 14:03:06,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:06" (1/1) ... [2024-11-22 14:03:06,295 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:06" (1/1) ... [2024-11-22 14:03:06,361 INFO L175 MemorySlicer]: Split 591 memory accesses to 5 slices as follows [257, 2, 245, 81, 6]. 43 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [0, 2, 11, 12, 0]. The 508 writes are split as follows [257, 0, 232, 17, 2]. [2024-11-22 14:03:06,361 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:06" (1/1) ... [2024-11-22 14:03:06,363 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:06" (1/1) ... [2024-11-22 14:03:06,399 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:06" (1/1) ... [2024-11-22 14:03:06,402 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:06" (1/1) ... [2024-11-22 14:03:06,407 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:06" (1/1) ... [2024-11-22 14:03:06,410 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:06" (1/1) ... [2024-11-22 14:03:06,421 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 14:03:06,422 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 14:03:06,422 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 14:03:06,422 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 14:03:06,423 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:06" (1/1) ... [2024-11-22 14:03:06,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:03:06,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:03:06,459 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) [2024-11-22 14:03:06,473 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 [2024-11-22 14:03:06,508 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-22 14:03:06,510 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-22 14:03:06,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 14:03:06,510 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-22 14:03:06,510 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-22 14:03:06,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 14:03:06,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 14:03:06,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 14:03:06,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 14:03:06,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 14:03:06,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 14:03:06,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 14:03:06,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 14:03:06,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 14:03:06,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 14:03:06,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 14:03:06,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 14:03:06,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 14:03:06,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 14:03:06,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 14:03:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 14:03:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 14:03:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 14:03:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 14:03:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-22 14:03:06,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-22 14:03:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 14:03:06,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 14:03:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-22 14:03:06,514 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-22 14:03:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-22 14:03:06,514 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-22 14:03:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 14:03:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 14:03:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 14:03:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 14:03:06,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 14:03:06,515 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 14:03:06,515 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 14:03:06,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 14:03:06,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 14:03:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 14:03:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 14:03:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 14:03:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 14:03:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 14:03:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 14:03:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 14:03:06,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 14:03:06,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-22 14:03:06,517 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-22 14:03:06,518 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-22 14:03:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2024-11-22 14:03:06,518 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2024-11-22 14:03:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 14:03:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 14:03:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 14:03:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 14:03:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 14:03:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-22 14:03:06,518 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-22 14:03:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-22 14:03:06,518 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-22 14:03:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 14:03:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 14:03:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 14:03:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 14:03:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 14:03:06,769 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 14:03:06,771 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 14:03:14,436 INFO L? ?]: Removed 110 outVars from TransFormulas that were not future-live. [2024-11-22 14:03:14,436 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 14:03:14,454 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 14:03:14,454 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-22 14:03:14,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:03:14 BoogieIcfgContainer [2024-11-22 14:03:14,455 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 14:03:14,457 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 14:03:14,457 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 14:03:14,460 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 14:03:14,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:03:04" (1/3) ... [2024-11-22 14:03:14,461 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58ac46bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:03:14, skipping insertion in model container [2024-11-22 14:03:14,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:03:06" (2/3) ... [2024-11-22 14:03:14,463 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58ac46bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:03:14, skipping insertion in model container [2024-11-22 14:03:14,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:03:14" (3/3) ... [2024-11-22 14:03:14,464 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_advance_harness.i [2024-11-22 14:03:14,476 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 14:03:14,476 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 14:03:14,537 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 14:03:14,542 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;@35a2f4a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 14:03:14,543 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 14:03:14,546 INFO L276 IsEmpty]: Start isEmpty. Operand has 172 states, 105 states have (on average 1.2190476190476192) internal successors, (128), 105 states have internal predecessors, (128), 55 states have call successors, (55), 11 states have call predecessors, (55), 11 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-22 14:03:14,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-22 14:03:14,557 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:03:14,558 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 14:03:14,558 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:03:14,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:03:14,563 INFO L85 PathProgramCache]: Analyzing trace with hash -613852057, now seen corresponding path program 1 times [2024-11-22 14:03:14,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:03:14,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897325828] [2024-11-22 14:03:14,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:03:14,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:04:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:04:30,275 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-22 14:04:30,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:04:30,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897325828] [2024-11-22 14:04:30,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897325828] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:04:30,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024856758] [2024-11-22 14:04:30,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:04:30,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:04:30,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:04:30,283 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) [2024-11-22 14:04:30,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process