./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 3061b6dc 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.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:11:17,089 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:11:17,168 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:11:17,174 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:11:17,175 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:11:17,207 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:11:17,208 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:11:17,208 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:11:17,209 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:11:17,209 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:11:17,222 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:11:17,222 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:11:17,223 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:11:17,223 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:11:17,223 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:11:17,224 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:11:17,224 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:11:17,225 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:11:17,225 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:11:17,225 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:11:17,225 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:11:17,226 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:11:17,226 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:11:17,226 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:11:17,227 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:11:17,227 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:11:17,227 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:11:17,227 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:11:17,228 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:11:17,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:11:17,228 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:11:17,228 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:11:17,229 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:11:17,229 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:11:17,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:11:17,233 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:11:17,233 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:11:17,233 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:11:17,234 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:11:17,234 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8acf6765f11fcd1914a16b600f73d0dd655e8b1eed69990958acc7eadb94c2e [2024-11-19 02:11:17,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:11:17,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:11:17,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:11:17,550 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:11:17,550 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:11:17,552 INFO L431 ainManager$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 [2024-11-19 02:11:19,050 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:11:19,558 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:11:19,559 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i [2024-11-19 02:11:19,608 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/552047f61/741d2f0df8c94316ba76c36ff3751e25/FLAG6b8db024f [2024-11-19 02:11:19,627 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/552047f61/741d2f0df8c94316ba76c36ff3751e25 [2024-11-19 02:11:19,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:11:19,633 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:11:19,636 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:11:19,636 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:11:19,642 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:11:19,642 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:11:19" (1/1) ... [2024-11-19 02:11:19,643 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4764a8d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:19, skipping insertion in model container [2024-11-19 02:11:19,644 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:11:19" (1/1) ... [2024-11-19 02:11:19,811 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:11:20,076 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] [2024-11-19 02:11:20,089 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] [2024-11-19 02:11:20,702 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:20,703 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:20,706 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:20,707 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:20,708 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:20,730 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:20,734 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:20,738 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:20,739 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:21,338 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:21,343 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:21,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:11:21,550 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:11:21,569 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] [2024-11-19 02:11:21,571 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] [2024-11-19 02:11:21,618 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:21,619 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:21,619 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:21,620 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:21,620 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:21,626 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:21,626 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:21,627 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:21,627 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:21,750 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2024-11-19 02:11:21,753 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:21,754 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:21,767 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2024-11-19 02:11:21,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:11:22,016 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:11:22,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:22 WrapperNode [2024-11-19 02:11:22,018 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:11:22,019 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:11:22,019 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:11:22,020 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:11:22,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:22" (1/1) ... [2024-11-19 02:11:22,140 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:22" (1/1) ... [2024-11-19 02:11:22,226 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 871 [2024-11-19 02:11:22,228 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:11:22,229 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:11:22,229 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:11:22,229 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:11:22,240 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:22" (1/1) ... [2024-11-19 02:11:22,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:22" (1/1) ... [2024-11-19 02:11:22,250 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:22" (1/1) ... [2024-11-19 02:11:22,337 INFO L175 MemorySlicer]: Split 560 memory accesses to 7 slices as follows [2, 257, 6, 238, 8, 47, 2]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 0, 6, 5, 8, 0]. The 496 writes are split as follows [0, 257, 2, 232, 1, 3, 1]. [2024-11-19 02:11:22,341 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:22" (1/1) ... [2024-11-19 02:11:22,342 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:22" (1/1) ... [2024-11-19 02:11:22,389 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:22" (1/1) ... [2024-11-19 02:11:22,397 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:22" (1/1) ... [2024-11-19 02:11:22,412 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:22" (1/1) ... [2024-11-19 02:11:22,423 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:22" (1/1) ... [2024-11-19 02:11:22,437 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:11:22,441 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:11:22,441 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:11:22,441 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:11:22,442 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:22" (1/1) ... [2024-11-19 02:11:22,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:11:22,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:11:22,482 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) [2024-11-19 02:11:22,489 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 [2024-11-19 02:11:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-19 02:11:22,590 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-19 02:11:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:11:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:11:22,591 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:11:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:11:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:11:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:11:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:11:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:11:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 02:11:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 02:11:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:11:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:11:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:11:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:11:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:11:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 02:11:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 02:11:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:11:22,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:11:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:11:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:11:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:11:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:11:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:11:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:11:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:11:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 02:11:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 02:11:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-19 02:11:22,595 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-19 02:11:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:11:22,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:11:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:11:22,595 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:11:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-19 02:11:22,596 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-19 02:11:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:11:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:11:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:11:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:11:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:11:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 02:11:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 02:11:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:11:22,598 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:11:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-19 02:11:22,598 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-19 02:11:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:11:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:11:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:11:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:11:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:11:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:11:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 02:11:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 02:11:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-19 02:11:22,600 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-19 02:11:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:11:22,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:11:22,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:11:22,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:11:22,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:11:22,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 02:11:22,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 02:11:22,602 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-19 02:11:22,602 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-19 02:11:22,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:11:22,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:11:22,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:11:22,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:11:22,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:11:22,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 02:11:22,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 02:11:22,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:11:22,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:11:22,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:11:22,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:11:22,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:11:22,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 02:11:22,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 02:11:22,966 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:11:22,968 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:11:31,794 INFO L? ?]: Removed 103 outVars from TransFormulas that were not future-live. [2024-11-19 02:11:31,794 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:11:31,817 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:11:31,817 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 02:11:31,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:11:31 BoogieIcfgContainer [2024-11-19 02:11:31,818 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:11:31,820 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:11:31,820 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:11:31,823 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:11:31,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:11:19" (1/3) ... [2024-11-19 02:11:31,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3319e323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:11:31, skipping insertion in model container [2024-11-19 02:11:31,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:22" (2/3) ... [2024-11-19 02:11:31,825 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3319e323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:11:31, skipping insertion in model container [2024-11-19 02:11:31,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:11:31" (3/3) ... [2024-11-19 02:11:31,827 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_u8_harness.i [2024-11-19 02:11:31,845 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:11:31,845 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:11:31,909 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:11:31,916 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;@31342122, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:11:31,916 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:11:31,922 INFO L276 IsEmpty]: Start isEmpty. Operand has 132 states, 86 states have (on average 1.2325581395348837) internal successors, (106), 87 states have internal predecessors, (106), 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) [2024-11-19 02:11:31,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-19 02:11:31,935 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:11:31,936 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] [2024-11-19 02:11:31,936 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:11:31,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:11:31,941 INFO L85 PathProgramCache]: Analyzing trace with hash -276254992, now seen corresponding path program 1 times [2024-11-19 02:11:31,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:11:31,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137611498] [2024-11-19 02:11:31,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:11:31,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:12:47,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:12:48,876 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-19 02:12:48,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:12:48,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137611498] [2024-11-19 02:12:48,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137611498] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:12:48,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [353076823] [2024-11-19 02:12:48,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:12:48,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:12:48,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:12:48,882 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) [2024-11-19 02:12:48,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process