./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_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_append_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 675ab2caa96cd9b2eb6b721efd0b1d83fbee049c822d5b953bd418a0212be644 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:04:26,173 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:04:26,239 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:04:26,245 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:04:26,246 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:04:26,296 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:04:26,297 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:04:26,298 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:04:26,298 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:04:26,302 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:04:26,302 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:04:26,302 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:04:26,303 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:04:26,303 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:04:26,304 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:04:26,304 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:04:26,304 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:04:26,304 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:04:26,305 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:04:26,305 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:04:26,305 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:04:26,308 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:04:26,308 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:04:26,309 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:04:26,309 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:04:26,309 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:04:26,310 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:04:26,310 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:04:26,311 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:04:26,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:04:26,311 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:04:26,312 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:04:26,313 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:04:26,313 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:04:26,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:04:26,318 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:04:26,318 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:04:26,318 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:04:26,319 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:04:26,319 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 675ab2caa96cd9b2eb6b721efd0b1d83fbee049c822d5b953bd418a0212be644 [2024-11-19 02:04:26,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:04:26,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:04:26,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:04:26,588 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:04:26,588 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:04:26,589 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i [2024-11-19 02:04:28,134 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:04:28,632 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:04:28,634 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i [2024-11-19 02:04:28,678 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f258f123/4f54db3ded8a4309a6cf5869c0b99a73/FLAG918a2df7c [2024-11-19 02:04:28,698 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f258f123/4f54db3ded8a4309a6cf5869c0b99a73 [2024-11-19 02:04:28,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:04:28,704 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:04:28,708 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:04:28,708 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:04:28,714 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:04:28,715 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:04:28" (1/1) ... [2024-11-19 02:04:28,716 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46e48d0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:28, skipping insertion in model container [2024-11-19 02:04:28,717 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:04:28" (1/1) ... [2024-11-19 02:04:28,836 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:04:29,164 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_append_harness.i[4493,4506] [2024-11-19 02:04:29,175 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_append_harness.i[4553,4566] [2024-11-19 02:04:30,230 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:30,231 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:30,232 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:30,233 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:30,234 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:30,246 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:30,247 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:30,248 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:30,249 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:31,113 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:31,118 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:31,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:04:31,259 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:04:31,276 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_append_harness.i[4493,4506] [2024-11-19 02:04:31,281 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_append_harness.i[4553,4566] [2024-11-19 02:04:31,322 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:31,323 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:31,323 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:31,323 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:31,324 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:31,330 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:31,330 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:31,331 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:31,332 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:31,455 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2024-11-19 02:04:31,458 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:31,458 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:31,471 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2024-11-19 02:04:31,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:04:31,803 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:04:31,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:31 WrapperNode [2024-11-19 02:04:31,806 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:04:31,808 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:04:31,808 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:04:31,808 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:04:31,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:31" (1/1) ... [2024-11-19 02:04:31,945 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:31" (1/1) ... [2024-11-19 02:04:32,023 INFO L138 Inliner]: procedures = 680, calls = 2643, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 869 [2024-11-19 02:04:32,024 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:04:32,025 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:04:32,025 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:04:32,025 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:04:32,037 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:31" (1/1) ... [2024-11-19 02:04:32,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:31" (1/1) ... [2024-11-19 02:04:32,045 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:31" (1/1) ... [2024-11-19 02:04:32,124 INFO L175 MemorySlicer]: Split 574 memory accesses to 8 slices as follows [257, 2, 238, 33, 9, 4, 9, 22]. 45 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [0, 2, 6, 4, 5, 2, 4, 2]. The 494 writes are split as follows [257, 0, 232, 3, 1, 0, 0, 1]. [2024-11-19 02:04:32,124 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:31" (1/1) ... [2024-11-19 02:04:32,125 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:31" (1/1) ... [2024-11-19 02:04:32,158 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:31" (1/1) ... [2024-11-19 02:04:32,162 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:31" (1/1) ... [2024-11-19 02:04:32,171 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:31" (1/1) ... [2024-11-19 02:04:32,180 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:31" (1/1) ... [2024-11-19 02:04:32,192 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:04:32,193 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:04:32,193 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:04:32,193 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:04:32,195 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:31" (1/1) ... [2024-11-19 02:04:32,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:04:32,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:04:32,231 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 02:04:32,233 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 02:04:32,281 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-19 02:04:32,282 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-19 02:04:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-19 02:04:32,282 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-19 02:04:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:04:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:04:32,283 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:04:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_append [2024-11-19 02:04:32,283 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_append [2024-11-19 02:04:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:04:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:04:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:04:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:04:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:04:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 02:04:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 02:04:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-19 02:04:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:04:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:04:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:04:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:04:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:04:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 02:04:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 02:04:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 02:04:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-19 02:04:32,284 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-19 02:04:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:04:32,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:04:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:04:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:04:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:04:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:04:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:04:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:04:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:04:32,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 02:04:32,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 02:04:32,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 02:04:32,288 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-19 02:04:32,289 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-19 02:04:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:04:32,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:04:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:04:32,289 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:04:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:04:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:04:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:04:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:04:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:04:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 02:04:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 02:04:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-19 02:04:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:04:32,292 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:04:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-19 02:04:32,292 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-19 02:04:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:04:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:04:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:04:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:04:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:04:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:04:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 02:04:32,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 02:04:32,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 02:04:32,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:04:32,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:04:32,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:04:32,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:04:32,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:04:32,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 02:04:32,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 02:04:32,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-19 02:04:32,295 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-19 02:04:32,295 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-19 02:04:32,295 INFO L130 BoogieDeclarations]: Found specification of procedure assert_bytes_match [2024-11-19 02:04:32,295 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_bytes_match [2024-11-19 02:04:32,295 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-19 02:04:32,295 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-19 02:04:32,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:04:32,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:04:32,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:04:32,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:04:32,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:04:32,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 02:04:32,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 02:04:32,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 02:04:32,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:04:32,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:04:32,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:04:32,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:04:32,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:04:32,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 02:04:32,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 02:04:32,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 02:04:32,659 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:04:32,662 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:04:41,077 INFO L? ?]: Removed 97 outVars from TransFormulas that were not future-live. [2024-11-19 02:04:41,078 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:04:41,100 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:04:41,100 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 02:04:41,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:04:41 BoogieIcfgContainer [2024-11-19 02:04:41,101 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:04:41,105 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:04:41,105 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:04:41,108 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:04:41,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:04:28" (1/3) ... [2024-11-19 02:04:41,109 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@722bfd0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:04:41, skipping insertion in model container [2024-11-19 02:04:41,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:31" (2/3) ... [2024-11-19 02:04:41,110 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@722bfd0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:04:41, skipping insertion in model container [2024-11-19 02:04:41,110 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:04:41" (3/3) ... [2024-11-19 02:04:41,111 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_append_harness.i [2024-11-19 02:04:41,129 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:04:41,129 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:04:41,208 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:04:41,215 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;@4eb1715b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:04:41,216 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:04:41,220 INFO L276 IsEmpty]: Start isEmpty. Operand has 170 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 108 states have internal predecessors, (130), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-19 02:04:41,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-19 02:04:41,237 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:04:41,239 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:04:41,239 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:04:41,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:04:41,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1551601725, now seen corresponding path program 1 times [2024-11-19 02:04:41,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:04:41,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706582267] [2024-11-19 02:04:41,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:04:41,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:05:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:06:01,014 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-19 02:06:01,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:06:01,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706582267] [2024-11-19 02:06:01,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706582267] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:06:01,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1064146796] [2024-11-19 02:06:01,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:06:01,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:06:01,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:06:01,020 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 02:06:01,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process