./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness_negated.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_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 b821af0ce38cd94d2546ea5f369017836976e947e239c53cd008b4ecf58cc800 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:03:46,861 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:03:46,937 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:03:46,942 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:03:46,942 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:03:46,970 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:03:46,971 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:03:46,971 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:03:46,972 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:03:46,972 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:03:46,972 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:03:46,975 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:03:46,976 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:03:46,976 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:03:46,976 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:03:46,977 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:03:46,977 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:03:46,977 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:03:46,978 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:03:46,978 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:03:46,978 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:03:46,982 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:03:46,983 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:03:46,983 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:03:46,983 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:03:46,984 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:03:46,984 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:03:46,984 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:03:46,985 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:03:46,985 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:03:46,985 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:03:46,986 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:03:46,986 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:03:46,986 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:03:46,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:03:46,987 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:03:46,987 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:03:46,987 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:03:46,988 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:03:46,988 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b821af0ce38cd94d2546ea5f369017836976e947e239c53cd008b4ecf58cc800 [2024-11-09 03:03:47,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:03:47,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:03:47,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:03:47,312 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:03:47,313 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:03:47,314 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness_negated.i [2024-11-09 03:03:48,846 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:03:49,283 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:03:49,284 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness_negated.i [2024-11-09 03:03:49,334 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33b53670c/dba364d5d9cd4169bd5bf7adbea6a0eb/FLAG1f71d2f0e [2024-11-09 03:03:49,352 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33b53670c/dba364d5d9cd4169bd5bf7adbea6a0eb [2024-11-09 03:03:49,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:03:49,357 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:03:49,358 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:03:49,358 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:03:49,363 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:03:49,365 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:03:49" (1/1) ... [2024-11-09 03:03:49,366 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4959c2b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:49, skipping insertion in model container [2024-11-09 03:03:49,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:03:49" (1/1) ... [2024-11-09 03:03:49,486 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:03:49,803 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_negated.i[4491,4504] [2024-11-09 03:03:49,811 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_negated.i[4551,4564] [2024-11-09 03:03:50,392 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:50,395 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:50,395 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:50,396 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:50,397 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:50,412 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:50,413 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:50,416 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:50,420 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:50,861 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:50,862 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:50,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:03:51,003 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:03:51,023 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_negated.i[4491,4504] [2024-11-09 03:03:51,024 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_negated.i[4551,4564] [2024-11-09 03:03:51,179 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:51,180 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:51,180 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:51,181 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:51,184 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:51,191 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:51,193 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:51,194 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:51,195 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:51,344 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8039] [2024-11-09 03:03:51,347 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:51,348 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:51,364 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8525-8536] [2024-11-09 03:03:51,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:03:51,647 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:03:51,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:51 WrapperNode [2024-11-09 03:03:51,648 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:03:51,649 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:03:51,649 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:03:51,649 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:03:51,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:51" (1/1) ... [2024-11-09 03:03:51,754 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:51" (1/1) ... [2024-11-09 03:03:51,832 INFO L138 Inliner]: procedures = 679, calls = 2495, calls flagged for inlining = 55, calls inlined = 6, statements flattened = 790 [2024-11-09 03:03:51,834 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:03:51,834 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:03:51,834 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:03:51,835 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:03:51,846 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:51" (1/1) ... [2024-11-09 03:03:51,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:51" (1/1) ... [2024-11-09 03:03:51,859 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:51" (1/1) ... [2024-11-09 03:03:51,936 INFO L175 MemorySlicer]: Split 522 memory accesses to 5 slices as follows [2, 257, 5, 20, 238]. 49 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 5, 4, 6]. The 493 writes are split as follows [0, 257, 0, 4, 232]. [2024-11-09 03:03:51,943 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:51" (1/1) ... [2024-11-09 03:03:51,944 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:51" (1/1) ... [2024-11-09 03:03:51,984 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:51" (1/1) ... [2024-11-09 03:03:51,991 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:51" (1/1) ... [2024-11-09 03:03:52,000 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:51" (1/1) ... [2024-11-09 03:03:52,009 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:51" (1/1) ... [2024-11-09 03:03:52,027 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:03:52,029 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:03:52,029 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:03:52,029 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:03:52,032 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:51" (1/1) ... [2024-11-09 03:03:52,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:03:52,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:03:52,069 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 03:03:52,071 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 03:03:52,119 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-09 03:03:52,121 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-09 03:03:52,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:03:52,121 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:03:52,121 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:03:52,121 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-09 03:03:52,121 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-09 03:03:52,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:03:52,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:03:52,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:03:52,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:03:52,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:03:52,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:03:52,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:03:52,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:03:52,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:03:52,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:03:52,124 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-09 03:03:52,124 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-09 03:03:52,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:03:52,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:03:52,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:03:52,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:03:52,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:03:52,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:03:52,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:03:52,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:03:52,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:03:52,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:03:52,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:03:52,125 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:03:52,125 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:03:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:03:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:03:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:03:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:03:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:03:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-09 03:03:52,126 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-09 03:03:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:03:52,126 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:03:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-09 03:03:52,126 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-09 03:03:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:03:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:03:52,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:03:52,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:03:52,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:03:52,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:03:52,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:03:52,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:03:52,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:03:52,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:03:52,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:03:52,129 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:03:52,129 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:03:52,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:03:52,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:03:52,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:03:52,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:03:52,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:03:52,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:03:52,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:03:52,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:03:52,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:03:52,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:03:52,449 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:03:52,451 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:04:00,500 INFO L? ?]: Removed 53 outVars from TransFormulas that were not future-live. [2024-11-09 03:04:00,501 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:04:00,517 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:04:00,518 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 03:04:00,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:04:00 BoogieIcfgContainer [2024-11-09 03:04:00,519 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:04:00,522 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:04:00,522 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:04:00,526 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:04:00,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:03:49" (1/3) ... [2024-11-09 03:04:00,527 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@243a9907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:04:00, skipping insertion in model container [2024-11-09 03:04:00,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:51" (2/3) ... [2024-11-09 03:04:00,528 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@243a9907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:04:00, skipping insertion in model container [2024-11-09 03:04:00,529 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:04:00" (3/3) ... [2024-11-09 03:04:00,530 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_init_harness_negated.i [2024-11-09 03:04:00,547 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:04:00,547 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:04:00,615 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:04:00,623 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;@1aed07bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:04:00,625 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:04:00,630 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 03:04:00,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 03:04:00,639 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:04:00,640 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 03:04:00,640 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:04:00,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:04:00,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1960111620, now seen corresponding path program 1 times [2024-11-09 03:04:00,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:04:00,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379741483] [2024-11-09 03:04:00,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:04:00,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:05:18,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:19,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:05:19,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:19,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 03:05:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:19,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 03:05:19,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:19,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 03:05:19,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:19,378 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 03:05:19,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:05:19,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379741483] [2024-11-09 03:05:19,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379741483] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:05:19,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:05:19,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 03:05:19,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048455559] [2024-11-09 03:05:19,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:05:19,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 03:05:19,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:05:19,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 03:05:19,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 03:05:19,412 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 03:05:19,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:05:19,441 INFO L93 Difference]: Finished difference Result 194 states and 253 transitions. [2024-11-09 03:05:19,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 03:05:19,443 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 03:05:19,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:05:19,452 INFO L225 Difference]: With dead ends: 194 [2024-11-09 03:05:19,453 INFO L226 Difference]: Without dead ends: 94 [2024-11-09 03:05:19,458 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 03:05:19,463 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 03:05:19,464 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 03:05:19,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-09 03:05:19,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-09 03:05:19,508 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 03:05:19,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 115 transitions. [2024-11-09 03:05:19,515 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 115 transitions. Word has length 32 [2024-11-09 03:05:19,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:05:19,516 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 115 transitions. [2024-11-09 03:05:19,516 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 03:05:19,517 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 115 transitions. [2024-11-09 03:05:19,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 03:05:19,519 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:05:19,519 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 03:05:19,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 03:05:19,520 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:05:19,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:05:19,521 INFO L85 PathProgramCache]: Analyzing trace with hash 965362492, now seen corresponding path program 1 times [2024-11-09 03:05:19,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:05:19,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389885787] [2024-11-09 03:05:19,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:05:19,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms