./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_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 83ea83276c34d99791c615950bc2829f5984dafaf429e7a88fe36009fea1e8b3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 10:50:28,348 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 10:50:28,410 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 10:50:28,417 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 10:50:28,418 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 10:50:28,450 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 10:50:28,451 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 10:50:28,451 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 10:50:28,452 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 10:50:28,453 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 10:50:28,453 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 10:50:28,454 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 10:50:28,454 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 10:50:28,455 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 10:50:28,456 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 10:50:28,457 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 10:50:28,457 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 10:50:28,457 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 10:50:28,458 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 10:50:28,458 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 10:50:28,458 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 10:50:28,462 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 10:50:28,462 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 10:50:28,463 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 10:50:28,463 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 10:50:28,463 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 10:50:28,463 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 10:50:28,463 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 10:50:28,464 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 10:50:28,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:50:28,464 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 10:50:28,464 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 10:50:28,464 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 10:50:28,465 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 10:50:28,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 10:50:28,465 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 10:50:28,465 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 10:50:28,465 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 10:50:28,466 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 10:50:28,466 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83ea83276c34d99791c615950bc2829f5984dafaf429e7a88fe36009fea1e8b3 [2024-11-10 10:50:28,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 10:50:28,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 10:50:28,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 10:50:28,729 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 10:50:28,730 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 10:50:28,731 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness_negated.i [2024-11-10 10:50:30,134 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 10:50:30,599 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 10:50:30,599 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness_negated.i [2024-11-10 10:50:30,638 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d00a8f76/79aa2555f90f422b90a4621c6b7e447f/FLAGbf53a1ee5 [2024-11-10 10:50:30,656 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d00a8f76/79aa2555f90f422b90a4621c6b7e447f [2024-11-10 10:50:30,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 10:50:30,662 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 10:50:30,664 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 10:50:30,664 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 10:50:30,670 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 10:50:30,671 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:50:30" (1/1) ... [2024-11-10 10:50:30,672 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d01aa10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:30, skipping insertion in model container [2024-11-10 10:50:30,672 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:50:30" (1/1) ... [2024-11-10 10:50:30,784 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 10:50:31,072 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_negated.i[4494,4507] [2024-11-10 10:50:31,081 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_negated.i[4554,4567] [2024-11-10 10:50:31,791 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:31,792 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:31,792 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:31,793 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:31,795 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:31,809 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:31,810 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:31,813 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:31,813 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:32,326 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:32,327 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:32,427 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:32,427 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:32,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:50:32,553 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 10:50:32,602 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_negated.i[4494,4507] [2024-11-10 10:50:32,603 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_negated.i[4554,4567] [2024-11-10 10:50:32,667 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:32,667 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:32,668 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:32,668 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:32,669 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:32,674 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:32,674 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:32,675 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:32,675 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:32,734 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:32,738 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:32,788 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8283] [2024-11-10 10:50:32,790 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:32,791 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:32,805 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8769-8780] [2024-11-10 10:50:32,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:50:33,051 INFO L204 MainTranslator]: Completed translation [2024-11-10 10:50:33,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:33 WrapperNode [2024-11-10 10:50:33,052 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 10:50:33,053 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 10:50:33,053 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 10:50:33,053 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 10:50:33,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:33" (1/1) ... [2024-11-10 10:50:33,204 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:33" (1/1) ... [2024-11-10 10:50:33,268 INFO L138 Inliner]: procedures = 681, calls = 2620, calls flagged for inlining = 59, calls inlined = 10, statements flattened = 967 [2024-11-10 10:50:33,269 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 10:50:33,269 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 10:50:33,270 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 10:50:33,270 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 10:50:33,282 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:33" (1/1) ... [2024-11-10 10:50:33,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:33" (1/1) ... [2024-11-10 10:50:33,295 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:33" (1/1) ... [2024-11-10 10:50:33,350 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-10 10:50:33,351 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:33" (1/1) ... [2024-11-10 10:50:33,352 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:33" (1/1) ... [2024-11-10 10:50:33,402 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:33" (1/1) ... [2024-11-10 10:50:33,405 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:33" (1/1) ... [2024-11-10 10:50:33,419 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:33" (1/1) ... [2024-11-10 10:50:33,428 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:33" (1/1) ... [2024-11-10 10:50:33,438 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 10:50:33,442 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 10:50:33,443 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 10:50:33,443 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 10:50:33,444 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:33" (1/1) ... [2024-11-10 10:50:33,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:50:33,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:50:33,534 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 10:50:33,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 10:50:33,585 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-10 10:50:33,586 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-10 10:50:33,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 10:50:33,587 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-10 10:50:33,587 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-10 10:50:33,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-10 10:50:33,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-10 10:50:33,587 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-10 10:50:33,588 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-10 10:50:33,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 10:50:33,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 10:50:33,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 10:50:33,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 10:50:33,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-10 10:50:33,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 10:50:33,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 10:50:33,588 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-10 10:50:33,588 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-10 10:50:33,588 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2024-11-10 10:50:33,588 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2024-11-10 10:50:33,588 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-10 10:50:33,588 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-10 10:50:33,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-10 10:50:33,589 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_reserve [2024-11-10 10:50:33,589 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_reserve [2024-11-10 10:50:33,589 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-10 10:50:33,589 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-10 10:50:33,589 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 10:50:33,589 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 10:50:33,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 10:50:33,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-10 10:50:33,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-10 10:50:33,589 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-10 10:50:33,589 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-10 10:50:33,589 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-10 10:50:33,589 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-10 10:50:33,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-10 10:50:33,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 10:50:33,872 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 10:50:33,875 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 10:50:33,909 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-10 10:50:33,920 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-10 10:50:33,990 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6906: havoc #t~ret566#1;havoc #t~ite568#1.base, #t~ite568#1.offset;havoc #t~realloc~res567#1.base, #t~realloc~res567#1.offset; [2024-11-10 10:50:33,990 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6904: havoc #t~ret565#1.base, #t~ret565#1.offset; [2024-11-10 10:50:33,990 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L268: havoc nondet_voidp_#t~nondet11#1; [2024-11-10 10:50:33,992 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2024-11-10 10:50:33,995 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-10 10:50:34,034 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7391: havoc #t~mem683;havoc #t~mem684;havoc #t~short685;havoc #t~mem686.base, #t~mem686.offset;havoc #t~short687;havoc #t~mem688;havoc #t~mem689;havoc #t~mem690;havoc #t~short691;havoc #t~mem692;havoc #t~mem693.base, #t~mem693.offset;havoc #t~short694;havoc #t~short695;havoc #t~short696;havoc #t~short697; [2024-11-10 10:50:34,105 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8034-2: havoc #t~ret962#1; [2024-11-10 10:50:34,105 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8035-2: havoc #t~ret964#1; [2024-11-10 10:50:34,106 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7082: havoc aws_mem_realloc_#t~ret593#1; [2024-11-10 10:50:41,684 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6594: havoc aws_byte_buf_has_allocator_#t~mem479#1.base, aws_byte_buf_has_allocator_#t~mem479#1.offset;havoc aws_byte_buf_has_allocator_#t~ret478#1.base, aws_byte_buf_has_allocator_#t~ret478#1.offset; [2024-11-10 10:50:41,796 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2024-11-10 10:50:41,796 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 10:50:41,813 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 10:50:41,814 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 10:50:41,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:50:41 BoogieIcfgContainer [2024-11-10 10:50:41,815 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 10:50:41,817 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 10:50:41,817 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 10:50:41,820 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 10:50:41,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:50:30" (1/3) ... [2024-11-10 10:50:41,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@262f1017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:50:41, skipping insertion in model container [2024-11-10 10:50:41,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:33" (2/3) ... [2024-11-10 10:50:41,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@262f1017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:50:41, skipping insertion in model container [2024-11-10 10:50:41,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:50:41" (3/3) ... [2024-11-10 10:50:41,824 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_harness_negated.i [2024-11-10 10:50:41,839 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 10:50:41,839 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 10:50:41,915 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 10:50:41,924 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;@35c7b9a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 10:50:41,924 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 10:50:41,929 INFO L276 IsEmpty]: Start isEmpty. Operand has 161 states, 109 states have (on average 1.2844036697247707) internal successors, (140), 110 states have internal predecessors, (140), 38 states have call successors, (38), 12 states have call predecessors, (38), 12 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-10 10:50:41,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-10 10:50:41,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:50:41,940 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, 1, 1, 1, 1, 1] [2024-11-10 10:50:41,942 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:50:41,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:50:41,948 INFO L85 PathProgramCache]: Analyzing trace with hash -2067673034, now seen corresponding path program 1 times [2024-11-10 10:50:41,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:50:41,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418719314] [2024-11-10 10:50:41,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:50:41,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:51:55,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:51:56,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 10:51:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:51:56,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 10:51:56,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:51:56,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 10:51:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:51:56,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 10:51:56,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:51:56,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-10 10:51:56,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:51:56,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 10:51:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:51:56,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 10:51:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:51:56,263 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-10 10:51:56,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:51:56,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418719314] [2024-11-10 10:51:56,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418719314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:51:56,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:51:56,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 10:51:56,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577675398] [2024-11-10 10:51:56,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:51:56,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 10:51:56,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:51:56,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 10:51:56,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 10:51:56,300 INFO L87 Difference]: Start difference. First operand has 161 states, 109 states have (on average 1.2844036697247707) internal successors, (140), 110 states have internal predecessors, (140), 38 states have call successors, (38), 12 states have call predecessors, (38), 12 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 10:52:00,503 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 [] [2024-11-10 10:52:02,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:52:02,798 INFO L93 Difference]: Finished difference Result 334 states and 469 transitions. [2024-11-10 10:52:02,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 10:52:02,801 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2024-11-10 10:52:02,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:52:02,810 INFO L225 Difference]: With dead ends: 334 [2024-11-10 10:52:02,810 INFO L226 Difference]: Without dead ends: 176 [2024-11-10 10:52:02,814 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 10:52:02,817 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 94 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 44 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2024-11-10 10:52:02,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 187 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 107 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2024-11-10 10:52:02,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-11-10 10:52:02,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 153. [2024-11-10 10:52:02,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 102 states have (on average 1.2254901960784315) internal successors, (125), 103 states have internal predecessors, (125), 38 states have call successors, (38), 12 states have call predecessors, (38), 12 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-10 10:52:02,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 200 transitions. [2024-11-10 10:52:02,878 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 200 transitions. Word has length 53 [2024-11-10 10:52:02,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:52:02,879 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 200 transitions. [2024-11-10 10:52:02,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 10:52:02,880 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 200 transitions. [2024-11-10 10:52:02,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-10 10:52:02,882 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:52:02,882 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, 1, 1, 1, 1, 1] [2024-11-10 10:52:02,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 10:52:02,882 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:52:02,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:52:02,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1573925794, now seen corresponding path program 1 times [2024-11-10 10:52:02,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:52:02,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105864115] [2024-11-10 10:52:02,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:52:02,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms