./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_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_reserve_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 a4daa63ade1fb1a2d170a844889a9f0ec321dcf3b8a50088706c45d113683668 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:03:50,833 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:03:50,923 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:03:50,932 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:03:50,932 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:03:50,971 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:03:50,972 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:03:50,972 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:03:50,973 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:03:50,974 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:03:50,976 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:03:50,976 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:03:50,977 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:03:50,977 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:03:50,978 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:03:50,978 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:03:50,978 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:03:50,979 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:03:50,979 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:03:50,982 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:03:50,982 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:03:50,983 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:03:50,983 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:03:50,983 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:03:50,984 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:03:50,984 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:03:50,984 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:03:50,985 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:03:50,989 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:03:50,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:03:50,990 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:03:50,990 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:03:50,990 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:03:50,991 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:03:50,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:03:50,991 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:03:50,991 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:03:50,992 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:03:50,992 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:03:50,992 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4daa63ade1fb1a2d170a844889a9f0ec321dcf3b8a50088706c45d113683668 [2024-11-09 03:03:51,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:03:51,263 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:03:51,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:03:51,267 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:03:51,267 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:03:51,269 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness.i [2024-11-09 03:03:52,763 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:03:53,275 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:03:53,276 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness.i [2024-11-09 03:03:53,319 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb70d684b/fe081380e8aa4f4ba9581f7a1103e084/FLAG68a5be2bf [2024-11-09 03:03:53,336 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb70d684b/fe081380e8aa4f4ba9581f7a1103e084 [2024-11-09 03:03:53,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:03:53,341 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:03:53,342 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:03:53,342 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:03:53,348 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:03:53,349 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:03:53" (1/1) ... [2024-11-09 03:03:53,350 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2082fcaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:53, skipping insertion in model container [2024-11-09 03:03:53,350 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:03:53" (1/1) ... [2024-11-09 03:03:53,454 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:03:53,814 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_reserve_harness.i[4494,4507] [2024-11-09 03:03:53,827 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_reserve_harness.i[4554,4567] [2024-11-09 03:03:54,577 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:54,578 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:54,578 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:54,579 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:54,580 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:54,602 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:54,607 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:54,610 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:54,612 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:55,358 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:55,359 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:55,461 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:55,464 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:55,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:03:55,632 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:03:55,649 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_reserve_harness.i[4494,4507] [2024-11-09 03:03:55,656 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_reserve_harness.i[4554,4567] [2024-11-09 03:03:55,703 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:55,704 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:55,705 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:55,705 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:55,706 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:55,716 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:55,716 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:55,717 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:55,717 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:55,809 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:55,810 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:55,867 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8315] [2024-11-09 03:03:55,869 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:55,869 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:55,882 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8801-8812] [2024-11-09 03:03:55,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:03:56,127 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:03:56,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:56 WrapperNode [2024-11-09 03:03:56,129 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:03:56,130 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:03:56,130 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:03:56,130 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:03:56,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:56" (1/1) ... [2024-11-09 03:03:56,235 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:56" (1/1) ... [2024-11-09 03:03:56,337 INFO L138 Inliner]: procedures = 681, calls = 2619, calls flagged for inlining = 60, calls inlined = 10, statements flattened = 967 [2024-11-09 03:03:56,339 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:03:56,339 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:03:56,340 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:03:56,340 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:03:56,351 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:56" (1/1) ... [2024-11-09 03:03:56,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:56" (1/1) ... [2024-11-09 03:03:56,367 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:56" (1/1) ... [2024-11-09 03:03:56,418 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-09 03:03:56,418 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:56" (1/1) ... [2024-11-09 03:03:56,419 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:56" (1/1) ... [2024-11-09 03:03:56,450 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:56" (1/1) ... [2024-11-09 03:03:56,455 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:56" (1/1) ... [2024-11-09 03:03:56,465 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:56" (1/1) ... [2024-11-09 03:03:56,471 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:56" (1/1) ... [2024-11-09 03:03:56,481 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:03:56,482 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:03:56,482 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:03:56,482 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:03:56,483 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:56" (1/1) ... [2024-11-09 03:03:56,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:03:56,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:03:56,537 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 03:03:56,541 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 03:03:56,592 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-09 03:03:56,593 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-09 03:03:56,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:03:56,595 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:03:56,595 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:03:56,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 03:03:56,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 03:03:56,596 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-09 03:03:56,596 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-09 03:03:56,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:03:56,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:03:56,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:03:56,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:03:56,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 03:03:56,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:03:56,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:03:56,597 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:03:56,597 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:03:56,597 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2024-11-09 03:03:56,598 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2024-11-09 03:03:56,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 03:03:56,598 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_reserve [2024-11-09 03:03:56,598 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_reserve [2024-11-09 03:03:56,599 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-09 03:03:56,599 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-09 03:03:56,599 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:03:56,599 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:03:56,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:03:56,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 03:03:56,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 03:03:56,600 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:03:56,600 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:03:56,601 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 03:03:56,601 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 03:03:56,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 03:03:56,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 03:03:56,927 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:03:56,931 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:04:05,817 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2024-11-09 03:04:05,818 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:04:05,835 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:04:05,836 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-09 03:04:05,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:04:05 BoogieIcfgContainer [2024-11-09 03:04:05,837 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:04:05,839 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:04:05,840 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:04:05,843 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:04:05,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:03:53" (1/3) ... [2024-11-09 03:04:05,844 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73536170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:04:05, skipping insertion in model container [2024-11-09 03:04:05,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:56" (2/3) ... [2024-11-09 03:04:05,845 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73536170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:04:05, skipping insertion in model container [2024-11-09 03:04:05,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:04:05" (3/3) ... [2024-11-09 03:04:05,847 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_harness.i [2024-11-09 03:04:05,863 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:04:05,863 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:04:05,943 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:04:05,950 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;@4c979213, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:04:05,952 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:04:05,956 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 104 states have (on average 1.2884615384615385) internal successors, (134), 104 states have internal predecessors, (134), 37 states have call successors, (37), 11 states have call predecessors, (37), 11 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 03:04:05,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 03:04:05,967 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:04:05,968 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 03:04:05,969 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:04:05,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:04:05,975 INFO L85 PathProgramCache]: Analyzing trace with hash 122195533, now seen corresponding path program 1 times [2024-11-09 03:04:05,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:04:05,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442525184] [2024-11-09 03:04:05,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:04:05,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:05:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:20,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:05:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:20,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 03:05:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:20,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:05:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:20,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 03:05:20,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:20,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-09 03:05:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:20,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 03:05:20,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:20,865 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 03:05:20,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:05:20,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442525184] [2024-11-09 03:05:20,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442525184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:05:20,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:05:20,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 03:05:20,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132826273] [2024-11-09 03:05:20,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:05:20,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 03:05:20,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:05:20,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 03:05:20,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 03:05:20,902 INFO L87 Difference]: Start difference. First operand has 153 states, 104 states have (on average 1.2884615384615385) internal successors, (134), 104 states have internal predecessors, (134), 37 states have call successors, (37), 11 states have call predecessors, (37), 11 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 03:05:25,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:05:27,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:05:27,212 INFO L93 Difference]: Finished difference Result 318 states and 453 transitions. [2024-11-09 03:05:27,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 03:05:27,215 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2024-11-09 03:05:27,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:05:27,227 INFO L225 Difference]: With dead ends: 318 [2024-11-09 03:05:27,228 INFO L226 Difference]: Without dead ends: 168 [2024-11-09 03:05:27,235 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 03:05:27,239 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 90 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-11-09 03:05:27,240 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 180 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 104 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2024-11-09 03:05:27,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2024-11-09 03:05:27,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 146. [2024-11-09 03:05:27,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 97 states have (on average 1.2371134020618557) internal successors, (120), 98 states have internal predecessors, (120), 37 states have call successors, (37), 11 states have call predecessors, (37), 11 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-09 03:05:27,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 193 transitions. [2024-11-09 03:05:27,310 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 193 transitions. Word has length 48 [2024-11-09 03:05:27,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:05:27,311 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 193 transitions. [2024-11-09 03:05:27,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 03:05:27,312 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 193 transitions. [2024-11-09 03:05:27,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-09 03:05:27,315 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:05:27,315 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:05:27,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 03:05:27,316 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:05:27,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:05:27,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1409458321, now seen corresponding path program 1 times [2024-11-09 03:05:27,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:05:27,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259331118] [2024-11-09 03:05:27,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:05:27,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms