./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 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_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.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:08:10,106 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:08:10,194 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:08:10,202 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:08:10,203 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:08:10,226 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:08:10,227 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:08:10,228 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:08:10,228 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:08:10,229 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:08:10,229 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:08:10,229 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:08:10,230 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:08:10,230 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:08:10,230 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:08:10,231 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:08:10,231 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:08:10,232 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:08:10,232 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:08:10,232 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:08:10,233 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:08:10,233 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:08:10,234 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:08:10,234 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:08:10,234 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:08:10,235 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:08:10,235 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:08:10,235 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:08:10,236 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:08:10,236 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:08:10,237 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:08:10,237 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:08:10,237 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:08:10,238 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:08:10,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:08:10,238 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:08:10,239 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:08:10,239 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:08:10,239 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:08:10,243 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83ea83276c34d99791c615950bc2829f5984dafaf429e7a88fe36009fea1e8b3 [2024-11-19 02:08:10,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:08:10,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:08:10,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:08:10,526 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:08:10,530 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:08:10,531 INFO L431 ainManager$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 [2024-11-19 02:08:12,067 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:08:12,545 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:08:12,547 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness_negated.i [2024-11-19 02:08:12,619 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40b63e5ad/c95f80516a394d218b1a42229770b4d5/FLAG60ea88965 [2024-11-19 02:08:12,635 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40b63e5ad/c95f80516a394d218b1a42229770b4d5 [2024-11-19 02:08:12,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:08:12,640 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:08:12,641 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:08:12,641 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:08:12,647 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:08:12,648 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:08:12" (1/1) ... [2024-11-19 02:08:12,650 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70aec0ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:08:12, skipping insertion in model container [2024-11-19 02:08:12,650 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:08:12" (1/1) ... [2024-11-19 02:08:12,750 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:08:13,064 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] [2024-11-19 02:08:13,075 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] [2024-11-19 02:08:13,851 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:13,855 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:13,856 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:13,856 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:13,857 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:13,876 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:13,877 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:13,879 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:13,879 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:14,424 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:14,429 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:14,537 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:14,538 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:14,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:08:14,646 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:08:14,659 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] [2024-11-19 02:08:14,660 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] [2024-11-19 02:08:14,692 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:14,692 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:14,697 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:14,697 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:14,698 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:14,712 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:14,712 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:14,713 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:14,713 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:14,807 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:14,809 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:14,853 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8283] [2024-11-19 02:08:14,855 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:14,856 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:14,872 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8769-8780] [2024-11-19 02:08:14,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:08:15,150 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:08:15,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:08:15 WrapperNode [2024-11-19 02:08:15,151 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:08:15,152 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:08:15,152 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:08:15,152 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:08:15,158 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:08:15" (1/1) ... [2024-11-19 02:08:15,283 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:08:15" (1/1) ... [2024-11-19 02:08:15,379 INFO L138 Inliner]: procedures = 681, calls = 2620, calls flagged for inlining = 59, calls inlined = 10, statements flattened = 969 [2024-11-19 02:08:15,380 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:08:15,381 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:08:15,381 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:08:15,381 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:08:15,393 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:08:15" (1/1) ... [2024-11-19 02:08:15,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:08:15" (1/1) ... [2024-11-19 02:08:15,406 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:08:15" (1/1) ... [2024-11-19 02:08:15,469 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-19 02:08:15,469 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:08:15" (1/1) ... [2024-11-19 02:08:15,470 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:08:15" (1/1) ... [2024-11-19 02:08:15,520 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:08:15" (1/1) ... [2024-11-19 02:08:15,529 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:08:15" (1/1) ... [2024-11-19 02:08:15,554 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:08:15" (1/1) ... [2024-11-19 02:08:15,559 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:08:15" (1/1) ... [2024-11-19 02:08:15,573 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:08:15,578 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:08:15,578 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:08:15,578 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:08:15,579 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:08:15" (1/1) ... [2024-11-19 02:08:15,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:08:15,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:08:15,630 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 02:08:15,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 02:08:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-19 02:08:15,684 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-19 02:08:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:08:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:08:15,684 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:08:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-19 02:08:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-19 02:08:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-19 02:08:15,686 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-19 02:08:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:08:15,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:08:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:08:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:08:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-19 02:08:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:08:15,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:08:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:08:15,687 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:08:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2024-11-19 02:08:15,687 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2024-11-19 02:08:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-19 02:08:15,687 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-19 02:08:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-19 02:08:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_reserve [2024-11-19 02:08:15,687 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_reserve [2024-11-19 02:08:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-19 02:08:15,688 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-19 02:08:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:08:15,688 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:08:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:08:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-19 02:08:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-19 02:08:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-19 02:08:15,688 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-19 02:08:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-19 02:08:15,688 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-19 02:08:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-19 02:08:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-19 02:08:16,018 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:08:16,021 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:08:24,305 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2024-11-19 02:08:24,305 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:08:24,321 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:08:24,321 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-19 02:08:24,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:08:24 BoogieIcfgContainer [2024-11-19 02:08:24,322 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:08:24,324 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:08:24,325 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:08:24,328 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:08:24,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:08:12" (1/3) ... [2024-11-19 02:08:24,328 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43917a7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:08:24, skipping insertion in model container [2024-11-19 02:08:24,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:08:15" (2/3) ... [2024-11-19 02:08:24,330 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43917a7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:08:24, skipping insertion in model container [2024-11-19 02:08:24,330 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:08:24" (3/3) ... [2024-11-19 02:08:24,331 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_harness_negated.i [2024-11-19 02:08:24,346 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:08:24,347 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:08:24,421 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:08:24,427 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;@33d96419, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:08:24,429 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:08:24,434 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 107 states have (on average 1.280373831775701) internal successors, (137), 107 states have internal predecessors, (137), 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) [2024-11-19 02:08:24,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-19 02:08:24,444 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:08:24,445 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] [2024-11-19 02:08:24,446 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:08:24,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:08:24,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1592615558, now seen corresponding path program 1 times [2024-11-19 02:08:24,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:08:24,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051063763] [2024-11-19 02:08:24,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:08:24,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:09:39,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:09:40,219 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-19 02:09:40,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:09:40,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051063763] [2024-11-19 02:09:40,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051063763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:09:40,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 02:09:40,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 02:09:40,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852948684] [2024-11-19 02:09:40,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:09:40,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 02:09:40,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:09:40,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 02:09:40,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 02:09:40,254 INFO L87 Difference]: Start difference. First operand has 158 states, 107 states have (on average 1.280373831775701) internal successors, (137), 107 states have internal predecessors, (137), 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 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-19 02:09:40,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:09:40,293 INFO L93 Difference]: Finished difference Result 306 states and 432 transitions. [2024-11-19 02:09:40,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 02:09:40,298 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2024-11-19 02:09:40,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:09:40,308 INFO L225 Difference]: With dead ends: 306 [2024-11-19 02:09:40,308 INFO L226 Difference]: Without dead ends: 151 [2024-11-19 02:09:40,312 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 02:09:40,315 INFO L432 NwaCegarLoop]: 207 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, 207 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 [2024-11-19 02:09:40,315 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 02:09:40,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-19 02:09:40,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2024-11-19 02:09:40,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 100 states have (on average 1.23) internal successors, (123), 101 states have internal predecessors, (123), 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) [2024-11-19 02:09:40,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 198 transitions. [2024-11-19 02:09:40,360 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 198 transitions. Word has length 53 [2024-11-19 02:09:40,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:09:40,363 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 198 transitions. [2024-11-19 02:09:40,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-19 02:09:40,364 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 198 transitions. [2024-11-19 02:09:40,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-19 02:09:40,367 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:09:40,367 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] [2024-11-19 02:09:40,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 02:09:40,368 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:09:40,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:09:40,368 INFO L85 PathProgramCache]: Analyzing trace with hash 409233217, now seen corresponding path program 1 times [2024-11-19 02:09:40,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:09:40,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142533961] [2024-11-19 02:09:40,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:09:40,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms