./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d 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_init_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 faa65859e31290f7e8032666f55af3608361dac3b397b8750b8c31e227a4d695 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:03:43,713 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:03:43,814 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:03:43,819 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:03:43,819 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:03:43,840 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:03:43,840 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:03:43,841 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:03:43,841 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:03:43,842 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:03:43,842 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:03:43,845 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:03:43,847 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:03:43,847 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:03:43,849 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:03:43,850 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:03:43,850 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:03:43,850 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:03:43,850 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:03:43,851 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:03:43,851 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:03:43,855 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:03:43,855 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:03:43,855 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:03:43,856 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:03:43,856 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:03:43,856 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:03:43,856 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:03:43,857 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:03:43,857 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:03:43,857 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:03:43,857 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:03:43,858 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:03:43,858 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:03:43,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:03:43,858 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:03:43,859 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:03:43,859 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:03:43,859 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:03:43,860 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> faa65859e31290f7e8032666f55af3608361dac3b397b8750b8c31e227a4d695 [2024-11-09 03:03:44,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:03:44,141 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:03:44,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:03:44,146 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:03:44,146 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:03:44,148 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness.i [2024-11-09 03:03:45,716 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:03:46,180 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:03:46,181 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness.i [2024-11-09 03:03:46,235 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0da9f9f59/36a3d87627bb4d0eb64fc847ca3ccb28/FLAG9af90634c [2024-11-09 03:03:46,253 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0da9f9f59/36a3d87627bb4d0eb64fc847ca3ccb28 [2024-11-09 03:03:46,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:03:46,258 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:03:46,260 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:03:46,262 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:03:46,267 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:03:46,269 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:03:46" (1/1) ... [2024-11-09 03:03:46,271 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18bb26f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:46, skipping insertion in model container [2024-11-09 03:03:46,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:03:46" (1/1) ... [2024-11-09 03:03:46,402 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:03:46,796 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_init_harness.i[4491,4504] [2024-11-09 03:03:46,805 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_init_harness.i[4551,4564] [2024-11-09 03:03:47,432 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:47,433 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:47,434 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:47,434 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:47,435 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:47,446 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:47,447 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:47,449 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:47,449 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:47,973 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:47,978 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:48,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:03:48,125 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:03:48,148 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_init_harness.i[4491,4504] [2024-11-09 03:03:48,148 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_init_harness.i[4551,4564] [2024-11-09 03:03:48,199 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:48,200 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:48,200 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:48,201 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:48,201 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:48,208 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:48,208 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:48,210 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:48,211 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:48,418 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8051] [2024-11-09 03:03:48,423 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:48,423 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:48,435 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8537-8548] [2024-11-09 03:03:48,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:03:48,713 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:03:48,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:48 WrapperNode [2024-11-09 03:03:48,714 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:03:48,715 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:03:48,716 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:03:48,716 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:03:48,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:48" (1/1) ... [2024-11-09 03:03:48,834 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:48" (1/1) ... [2024-11-09 03:03:48,920 INFO L138 Inliner]: procedures = 679, calls = 2495, calls flagged for inlining = 55, calls inlined = 6, statements flattened = 790 [2024-11-09 03:03:48,923 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:03:48,924 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:03:48,924 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:03:48,924 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:03:48,937 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:48" (1/1) ... [2024-11-09 03:03:48,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:48" (1/1) ... [2024-11-09 03:03:48,950 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:48" (1/1) ... [2024-11-09 03:03:49,037 INFO L175 MemorySlicer]: Split 522 memory accesses to 5 slices as follows [2, 257, 238, 20, 5]. 49 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 4, 5]. The 493 writes are split as follows [0, 257, 232, 4, 0]. [2024-11-09 03:03:49,037 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:48" (1/1) ... [2024-11-09 03:03:49,038 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:48" (1/1) ... [2024-11-09 03:03:49,066 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:48" (1/1) ... [2024-11-09 03:03:49,069 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:48" (1/1) ... [2024-11-09 03:03:49,075 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:48" (1/1) ... [2024-11-09 03:03:49,079 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:48" (1/1) ... [2024-11-09 03:03:49,088 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:03:49,089 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:03:49,089 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:03:49,090 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:03:49,090 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:48" (1/1) ... [2024-11-09 03:03:49,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:03:49,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:03:49,127 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) [2024-11-09 03:03:49,129 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 [2024-11-09 03:03:49,177 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-09 03:03:49,179 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-09 03:03:49,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:03:49,179 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:03:49,180 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:03:49,180 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-09 03:03:49,180 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-09 03:03:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:03:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:03:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:03:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:03:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:03:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:03:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:03:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:03:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:03:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:03:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-09 03:03:49,183 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-09 03:03:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:03:49,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:03:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:03:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:03:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:03:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:03:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:03:49,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:03:49,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:03:49,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:03:49,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:03:49,184 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:03:49,184 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:03:49,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:03:49,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:03:49,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:03:49,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:03:49,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:03:49,185 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-09 03:03:49,185 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-09 03:03:49,185 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:03:49,185 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:03:49,185 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-09 03:03:49,185 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-09 03:03:49,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:03:49,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:03:49,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:03:49,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:03:49,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:03:49,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:03:49,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:03:49,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:03:49,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:03:49,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:03:49,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:03:49,186 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:03:49,186 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:03:49,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:03:49,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:03:49,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:03:49,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:03:49,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:03:49,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:03:49,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:03:49,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:03:49,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:03:49,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:03:49,519 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:03:49,521 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:03:57,671 INFO L? ?]: Removed 53 outVars from TransFormulas that were not future-live. [2024-11-09 03:03:57,672 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:03:57,688 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:03:57,689 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 03:03:57,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:03:57 BoogieIcfgContainer [2024-11-09 03:03:57,689 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:03:57,692 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:03:57,693 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:03:57,696 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:03:57,696 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:03:46" (1/3) ... [2024-11-09 03:03:57,697 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@587140cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:03:57, skipping insertion in model container [2024-11-09 03:03:57,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:48" (2/3) ... [2024-11-09 03:03:57,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@587140cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:03:57, skipping insertion in model container [2024-11-09 03:03:57,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:03:57" (3/3) ... [2024-11-09 03:03:57,700 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_init_harness.i [2024-11-09 03:03:57,717 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:03:57,718 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:03:57,795 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:03:57,801 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;@1533d95b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:03:57,801 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:03:57,805 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 68 states have (on average 1.2352941176470589) internal successors, (84), 69 states have internal predecessors, (84), 20 states have call successors, (20), 10 states have call predecessors, (20), 10 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 03:03:57,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 03:03:57,812 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:03:57,813 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 03:03:57,813 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:03:57,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:03:57,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1960111620, now seen corresponding path program 1 times [2024-11-09 03:03:57,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:03:57,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593686027] [2024-11-09 03:03:57,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:03:57,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:05:12,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:13,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:05:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:13,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 03:05:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:13,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 03:05:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:13,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 03:05:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:13,733 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 03:05:13,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:05:13,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593686027] [2024-11-09 03:05:13,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593686027] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:05:13,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:05:13,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 03:05:13,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047659345] [2024-11-09 03:05:13,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:05:13,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 03:05:13,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:05:13,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 03:05:13,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 03:05:13,770 INFO L87 Difference]: Start difference. First operand has 100 states, 68 states have (on average 1.2352941176470589) internal successors, (84), 69 states have internal predecessors, (84), 20 states have call successors, (20), 10 states have call predecessors, (20), 10 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 03:05:13,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:05:13,806 INFO L93 Difference]: Finished difference Result 194 states and 253 transitions. [2024-11-09 03:05:13,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 03:05:13,810 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 32 [2024-11-09 03:05:13,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:05:13,820 INFO L225 Difference]: With dead ends: 194 [2024-11-09 03:05:13,821 INFO L226 Difference]: Without dead ends: 94 [2024-11-09 03:05:13,825 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 03:05:13,829 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 03:05:13,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 03:05:13,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-09 03:05:13,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-09 03:05:13,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 63 states have (on average 1.2063492063492063) internal successors, (76), 64 states have internal predecessors, (76), 20 states have call successors, (20), 10 states have call predecessors, (20), 10 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-09 03:05:13,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 115 transitions. [2024-11-09 03:05:13,877 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 115 transitions. Word has length 32 [2024-11-09 03:05:13,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:05:13,880 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 115 transitions. [2024-11-09 03:05:13,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 03:05:13,881 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 115 transitions. [2024-11-09 03:05:13,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 03:05:13,884 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:05:13,884 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 03:05:13,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 03:05:13,885 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:05:13,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:05:13,886 INFO L85 PathProgramCache]: Analyzing trace with hash 965362492, now seen corresponding path program 1 times [2024-11-09 03:05:13,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:05:13,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666712544] [2024-11-09 03:05:13,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:05:13,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms