./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness_negated.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 fbd83f7e524270f26b355be3b6fdf116e3fc11da746439b12c865fa2fec80a91 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 10:53:14,892 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 10:53:14,964 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 10:53:14,970 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 10:53:14,971 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 10:53:15,003 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 10:53:15,003 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 10:53:15,004 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 10:53:15,006 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 10:53:15,007 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 10:53:15,009 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 10:53:15,009 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 10:53:15,010 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 10:53:15,010 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 10:53:15,012 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 10:53:15,012 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 10:53:15,013 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 10:53:15,013 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 10:53:15,013 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 10:53:15,013 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 10:53:15,014 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 10:53:15,018 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 10:53:15,018 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 10:53:15,019 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 10:53:15,019 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 10:53:15,019 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 10:53:15,019 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 10:53:15,019 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 10:53:15,020 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 10:53:15,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:53:15,021 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 10:53:15,021 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 10:53:15,022 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 10:53:15,022 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 10:53:15,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 10:53:15,022 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 10:53:15,023 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 10:53:15,023 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 10:53:15,023 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 10:53:15,023 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fbd83f7e524270f26b355be3b6fdf116e3fc11da746439b12c865fa2fec80a91 [2024-11-10 10:53:15,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 10:53:15,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 10:53:15,304 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 10:53:15,306 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 10:53:15,306 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 10:53:15,307 INFO L431 ainManager$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_negated.i [2024-11-10 10:53:16,825 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 10:53:17,324 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 10:53:17,325 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness_negated.i [2024-11-10 10:53:17,372 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fe17315d/c69178444c2d409fb6dcc5ddd2e3e915/FLAG9bbee32d8 [2024-11-10 10:53:17,413 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fe17315d/c69178444c2d409fb6dcc5ddd2e3e915 [2024-11-10 10:53:17,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 10:53:17,419 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 10:53:17,420 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 10:53:17,421 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 10:53:17,428 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 10:53:17,429 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:53:17" (1/1) ... [2024-11-10 10:53:17,429 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@485ba9d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:17, skipping insertion in model container [2024-11-10 10:53:17,430 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:53:17" (1/1) ... [2024-11-10 10:53:17,560 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 10:53:17,872 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_negated.i[4495,4508] [2024-11-10 10:53:17,879 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_negated.i[4555,4568] [2024-11-10 10:53:18,417 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:53:18,418 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:53:18,419 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:53:18,419 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:53:18,420 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:53:18,432 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:53:18,433 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:53:18,435 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:53:18,435 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:53:19,050 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:53:19,056 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:53:19,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:53:19,254 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 10:53:19,274 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_negated.i[4495,4508] [2024-11-10 10:53:19,278 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_negated.i[4555,4568] [2024-11-10 10:53:19,325 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:53:19,327 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:53:19,328 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:53:19,328 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:53:19,329 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:53:19,334 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:53:19,335 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:53:19,336 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:53:19,337 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:53:19,487 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2024-11-10 10:53:19,490 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:53:19,491 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:53:19,507 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2024-11-10 10:53:19,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:53:19,870 INFO L204 MainTranslator]: Completed translation [2024-11-10 10:53:19,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:19 WrapperNode [2024-11-10 10:53:19,874 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 10:53:19,875 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 10:53:19,875 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 10:53:19,875 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 10:53:19,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:19" (1/1) ... [2024-11-10 10:53:20,000 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:19" (1/1) ... [2024-11-10 10:53:20,133 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 871 [2024-11-10 10:53:20,134 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 10:53:20,135 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 10:53:20,135 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 10:53:20,135 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 10:53:20,146 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:19" (1/1) ... [2024-11-10 10:53:20,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:19" (1/1) ... [2024-11-10 10:53:20,158 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:19" (1/1) ... [2024-11-10 10:53:20,236 INFO L175 MemorySlicer]: Split 560 memory accesses to 7 slices as follows [2, 47, 257, 238, 6, 2, 8]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 8, 0, 6, 0, 0, 5]. The 496 writes are split as follows [0, 3, 257, 232, 2, 1, 1]. [2024-11-10 10:53:20,236 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:19" (1/1) ... [2024-11-10 10:53:20,237 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:19" (1/1) ... [2024-11-10 10:53:20,269 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:19" (1/1) ... [2024-11-10 10:53:20,271 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:19" (1/1) ... [2024-11-10 10:53:20,278 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:19" (1/1) ... [2024-11-10 10:53:20,282 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:19" (1/1) ... [2024-11-10 10:53:20,299 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 10:53:20,300 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 10:53:20,300 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 10:53:20,300 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 10:53:20,302 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:19" (1/1) ... [2024-11-10 10:53:20,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:53:20,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:53:20,337 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 10:53:20,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 10:53:20,389 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-10 10:53:20,390 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-10 10:53:20,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 10:53:20,391 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-10 10:53:20,392 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-10 10:53:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 10:53:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 10:53:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 10:53:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 10:53:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-10 10:53:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-10 10:53:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-10 10:53:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 10:53:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 10:53:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 10:53:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 10:53:20,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 10:53:20,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 10:53:20,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-10 10:53:20,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 10:53:20,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 10:53:20,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 10:53:20,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 10:53:20,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 10:53:20,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 10:53:20,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 10:53:20,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 10:53:20,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 10:53:20,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-10 10:53:20,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-10 10:53:20,394 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-10 10:53:20,394 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-10 10:53:20,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 10:53:20,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 10:53:20,394 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-10 10:53:20,394 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-10 10:53:20,394 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-10 10:53:20,396 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-10 10:53:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 10:53:20,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 10:53:20,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 10:53:20,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 10:53:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 10:53:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-10 10:53:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-10 10:53:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 10:53:20,398 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 10:53:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-10 10:53:20,399 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-10 10:53:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 10:53:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 10:53:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 10:53:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 10:53:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 10:53:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-10 10:53:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-10 10:53:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-10 10:53:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-10 10:53:20,399 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-10 10:53:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 10:53:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 10:53:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 10:53:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 10:53:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 10:53:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-10 10:53:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-10 10:53:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-10 10:53:20,400 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-10 10:53:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 10:53:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 10:53:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 10:53:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 10:53:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 10:53:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-10 10:53:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-10 10:53:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 10:53:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 10:53:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 10:53:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 10:53:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 10:53:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 10:53:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-10 10:53:20,781 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 10:53:20,784 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 10:53:20,827 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-10 10:53:20,963 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7367: 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; [2024-11-10 10:53:20,981 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-10 10:53:20,990 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7310: havoc #t~ret657.base, #t~ret657.offset; [2024-11-10 10:53:28,948 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8545: 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; [2024-11-10 10:53:28,948 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2024-11-10 10:53:28,948 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L267: havoc nondet_uint8_t_#t~nondet10#1; [2024-11-10 10:53:28,948 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2024-11-10 10:53:29,019 INFO L? ?]: Removed 103 outVars from TransFormulas that were not future-live. [2024-11-10 10:53:29,020 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 10:53:29,037 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 10:53:29,037 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 10:53:29,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:53:29 BoogieIcfgContainer [2024-11-10 10:53:29,038 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 10:53:29,040 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 10:53:29,040 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 10:53:29,043 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 10:53:29,043 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:53:17" (1/3) ... [2024-11-10 10:53:29,044 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1995202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:53:29, skipping insertion in model container [2024-11-10 10:53:29,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:53:19" (2/3) ... [2024-11-10 10:53:29,044 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1995202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:53:29, skipping insertion in model container [2024-11-10 10:53:29,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:53:29" (3/3) ... [2024-11-10 10:53:29,047 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_u8_harness_negated.i [2024-11-10 10:53:29,062 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 10:53:29,062 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 10:53:29,122 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 10:53:29,128 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;@5fea4af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 10:53:29,129 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 10:53:29,133 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) [2024-11-10 10:53:29,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-10 10:53:29,146 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:53:29,147 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] [2024-11-10 10:53:29,148 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:53:29,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:53:29,153 INFO L85 PathProgramCache]: Analyzing trace with hash 760075019, now seen corresponding path program 1 times [2024-11-10 10:53:29,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:53:29,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000439638] [2024-11-10 10:53:29,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:53:29,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:54:45,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:54:48,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 10:54:48,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:54:48,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-10 10:54:48,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:54:48,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 10:54:48,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:54:48,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 10:54:48,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:54:48,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 10:54:48,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:54:49,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 10:54:49,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:54:49,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:54:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:54:49,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:54:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:54:49,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 10:54:49,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:54:49,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 10:54:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:54:49,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 10:54:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:54:49,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-10 10:54:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:54:49,154 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-10 10:54:49,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:54:49,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000439638] [2024-11-10 10:54:49,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000439638] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 10:54:49,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461697515] [2024-11-10 10:54:49,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:54:49,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 10:54:49,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:54:49,159 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) [2024-11-10 10:54:49,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process