./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_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 e8acf6765f11fcd1914a16b600f73d0dd655e8b1eed69990958acc7eadb94c2e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 19:50:15,242 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 19:50:15,297 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 19:50:15,303 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 19:50:15,305 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 19:50:15,325 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 19:50:15,327 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 19:50:15,327 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 19:50:15,328 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 19:50:15,331 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 19:50:15,331 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 19:50:15,331 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 19:50:15,331 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 19:50:15,332 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 19:50:15,332 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 19:50:15,332 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 19:50:15,332 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 19:50:15,332 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 19:50:15,332 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 19:50:15,333 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 19:50:15,333 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 19:50:15,334 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 19:50:15,335 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 19:50:15,335 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 19:50:15,335 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 19:50:15,335 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 19:50:15,336 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 19:50:15,336 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 19:50:15,336 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 19:50:15,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:50:15,337 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 19:50:15,337 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 19:50:15,337 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 19:50:15,338 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 19:50:15,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 19:50:15,338 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 19:50:15,339 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 19:50:15,339 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 19:50:15,339 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 19:50:15,339 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8acf6765f11fcd1914a16b600f73d0dd655e8b1eed69990958acc7eadb94c2e [2024-11-16 19:50:15,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 19:50:15,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 19:50:15,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 19:50:15,580 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 19:50:15,580 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 19:50:15,581 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i [2024-11-16 19:50:16,842 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 19:50:17,229 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 19:50:17,230 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i [2024-11-16 19:50:17,261 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c324c94c/bf1ff285500742e581b6dc1ac9e2e875/FLAGc5828375d [2024-11-16 19:50:17,422 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c324c94c/bf1ff285500742e581b6dc1ac9e2e875 [2024-11-16 19:50:17,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 19:50:17,425 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 19:50:17,429 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 19:50:17,429 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 19:50:17,433 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 19:50:17,434 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:50:17" (1/1) ... [2024-11-16 19:50:17,435 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7106edd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:17, skipping insertion in model container [2024-11-16 19:50:17,435 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:50:17" (1/1) ... [2024-11-16 19:50:17,558 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 19:50:17,774 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i[4495,4508] [2024-11-16 19:50:17,779 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i[4555,4568] [2024-11-16 19:50:18,247 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:18,248 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:18,248 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:18,249 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:18,250 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:18,258 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:18,259 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:18,260 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:18,260 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:18,608 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:18,609 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:18,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:50:18,690 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 19:50:18,699 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i[4495,4508] [2024-11-16 19:50:18,700 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i[4555,4568] [2024-11-16 19:50:18,724 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:18,724 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:18,725 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:18,725 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:18,725 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:18,729 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:18,730 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:18,730 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:18,731 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:18,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2024-11-16 19:50:18,799 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:18,800 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:18,808 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2024-11-16 19:50:18,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:50:19,070 INFO L204 MainTranslator]: Completed translation [2024-11-16 19:50:19,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:19 WrapperNode [2024-11-16 19:50:19,071 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 19:50:19,072 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 19:50:19,072 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 19:50:19,072 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 19:50:19,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:19" (1/1) ... [2024-11-16 19:50:19,157 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:19" (1/1) ... [2024-11-16 19:50:19,220 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 871 [2024-11-16 19:50:19,221 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 19:50:19,222 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 19:50:19,222 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 19:50:19,222 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 19:50:19,230 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:19" (1/1) ... [2024-11-16 19:50:19,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:19" (1/1) ... [2024-11-16 19:50:19,237 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:19" (1/1) ... [2024-11-16 19:50:19,302 INFO L175 MemorySlicer]: Split 560 memory accesses to 7 slices as follows [2, 257, 238, 2, 6, 47, 8]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 0, 0, 8, 5]. The 496 writes are split as follows [0, 257, 232, 1, 2, 3, 1]. [2024-11-16 19:50:19,302 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:19" (1/1) ... [2024-11-16 19:50:19,302 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:19" (1/1) ... [2024-11-16 19:50:19,332 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:19" (1/1) ... [2024-11-16 19:50:19,337 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:19" (1/1) ... [2024-11-16 19:50:19,346 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:19" (1/1) ... [2024-11-16 19:50:19,350 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:19" (1/1) ... [2024-11-16 19:50:19,358 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 19:50:19,359 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 19:50:19,359 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 19:50:19,359 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 19:50:19,359 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:19" (1/1) ... [2024-11-16 19:50:19,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:50:19,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:50:19,388 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 19:50:19,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 19:50:19,419 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-16 19:50:19,419 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-16 19:50:19,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 19:50:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 19:50:19,420 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 19:50:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 19:50:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 19:50:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 19:50:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 19:50:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 19:50:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-16 19:50:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-16 19:50:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 19:50:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 19:50:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 19:50:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 19:50:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 19:50:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 19:50:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-16 19:50:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 19:50:19,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 19:50:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 19:50:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 19:50:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 19:50:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 19:50:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 19:50:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 19:50:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 19:50:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-16 19:50:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-16 19:50:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-16 19:50:19,422 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-16 19:50:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 19:50:19,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 19:50:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 19:50:19,423 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 19:50:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-16 19:50:19,423 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-16 19:50:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 19:50:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 19:50:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 19:50:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 19:50:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 19:50:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-16 19:50:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-16 19:50:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 19:50:19,424 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 19:50:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-16 19:50:19,424 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-16 19:50:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 19:50:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 19:50:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 19:50:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 19:50:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 19:50:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 19:50:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-16 19:50:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-16 19:50:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-16 19:50:19,425 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-16 19:50:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 19:50:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 19:50:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 19:50:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 19:50:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 19:50:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-16 19:50:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-16 19:50:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-16 19:50:19,426 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-16 19:50:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 19:50:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 19:50:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 19:50:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 19:50:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 19:50:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 19:50:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-16 19:50:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 19:50:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 19:50:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 19:50:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 19:50:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 19:50:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 19:50:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-16 19:50:19,653 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 19:50:19,655 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 19:50:19,687 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-16 19:50:19,801 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7399: havoc #t~mem682;havoc #t~mem683;havoc #t~short684;havoc #t~mem685.base, #t~mem685.offset;havoc #t~short686;havoc #t~mem687;havoc #t~mem688;havoc #t~mem689;havoc #t~short690;havoc #t~mem691;havoc #t~mem692.base, #t~mem692.offset;havoc #t~short693;havoc #t~short694;havoc #t~short695;havoc #t~short696; [2024-11-16 19:50:19,810 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 19:50:19,816 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7342: havoc #t~ret657.base, #t~ret657.offset; [2024-11-16 19:50:26,801 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L267: havoc nondet_uint8_t_#t~nondet10#1; [2024-11-16 19:50:26,802 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2024-11-16 19:50:26,802 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8577: havoc aws_byte_buf_write_u8_#t~ret1198#1;call ULTIMATE.dealloc(aws_byte_buf_write_u8_~#c#1.base, aws_byte_buf_write_u8_~#c#1.offset);havoc aws_byte_buf_write_u8_~#c#1.base, aws_byte_buf_write_u8_~#c#1.offset; [2024-11-16 19:50:26,802 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2024-11-16 19:50:26,857 INFO L? ?]: Removed 103 outVars from TransFormulas that were not future-live. [2024-11-16 19:50:26,857 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 19:50:26,870 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 19:50:26,871 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 19:50:26,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:50:26 BoogieIcfgContainer [2024-11-16 19:50:26,872 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 19:50:26,873 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 19:50:26,873 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 19:50:26,875 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 19:50:26,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:50:17" (1/3) ... [2024-11-16 19:50:26,876 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62d8dd28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:50:26, skipping insertion in model container [2024-11-16 19:50:26,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:19" (2/3) ... [2024-11-16 19:50:26,876 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62d8dd28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:50:26, skipping insertion in model container [2024-11-16 19:50:26,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:50:26" (3/3) ... [2024-11-16 19:50:26,877 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_u8_harness.i [2024-11-16 19:50:26,890 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 19:50:26,890 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 19:50:26,943 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 19:50:26,954 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;@45f982e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 19:50:26,954 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 19:50:26,958 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 87 states have (on average 1.2298850574712643) internal successors, (107), 88 states have internal predecessors, (107), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-16 19:50:26,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-16 19:50:26,968 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:50:26,972 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 19:50:26,972 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:50:26,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:50:26,976 INFO L85 PathProgramCache]: Analyzing trace with hash 760075019, now seen corresponding path program 1 times [2024-11-16 19:50:26,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:50:26,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046678420] [2024-11-16 19:50:26,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:50:26,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:51:42,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:51:44,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 19:51:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:51:44,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 19:51:44,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:51:44,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 19:51:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:51:44,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:51:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:51:44,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 19:51:44,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:51:44,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 19:51:44,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:51:44,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 19:51:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:51:44,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 19:51:44,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:51:44,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 19:51:44,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:51:44,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-16 19:51:44,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:51:44,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 19:51:44,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:51:44,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-16 19:51:44,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:51:44,962 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-16 19:51:44,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:51:44,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046678420] [2024-11-16 19:51:44,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046678420] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 19:51:44,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [379749448] [2024-11-16 19:51:44,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:51:44,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 19:51:44,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:51:44,970 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 19:51:44,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process