./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 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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 0.3.0-?-798a7b3-m [2025-03-04 02:41:33,224 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:41:33,283 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:41:33,290 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:41:33,291 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:41:33,312 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:41:33,313 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:41:33,313 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:41:33,313 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:41:33,314 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:41:33,314 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:41:33,315 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:41:33,315 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:41:33,315 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:41:33,315 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:41:33,315 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:41:33,315 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:41:33,315 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:41:33,315 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:41:33,315 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:41:33,315 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:41:33,315 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:41:33,315 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:41:33,315 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:41:33,315 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:41:33,315 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:41:33,315 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:41:33,315 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:41:33,315 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:41:33,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:41:33,316 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:41:33,316 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:41:33,316 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:41:33,316 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:41:33,316 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:41:33,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:41:33,316 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:41:33,316 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:41:33,316 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:41:33,316 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:41:33,316 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 [2025-03-04 02:41:33,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:41:33,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:41:33,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:41:33,569 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:41:33,569 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:41:33,570 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness_negated.i [2025-03-04 02:41:34,661 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/887a96eda/658451002f8b43d584fd673d0b93a926/FLAGa79755412 [2025-03-04 02:41:35,043 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:41:35,043 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness_negated.i [2025-03-04 02:41:35,075 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/887a96eda/658451002f8b43d584fd673d0b93a926/FLAGa79755412 [2025-03-04 02:41:35,090 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/887a96eda/658451002f8b43d584fd673d0b93a926 [2025-03-04 02:41:35,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:41:35,093 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:41:35,095 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:41:35,095 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:41:35,098 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:41:35,099 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:41:35" (1/1) ... [2025-03-04 02:41:35,099 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e7b839b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:35, skipping insertion in model container [2025-03-04 02:41:35,100 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:41:35" (1/1) ... [2025-03-04 02:41:35,157 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:41:35,342 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] [2025-03-04 02:41:35,348 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] [2025-03-04 02:41:36,022 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:36,022 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:36,022 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:36,023 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:36,024 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:36,036 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:36,037 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:36,041 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:36,042 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:36,425 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:36,426 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:36,482 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:36,483 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:36,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:41:36,568 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:41:36,579 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] [2025-03-04 02:41:36,579 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] [2025-03-04 02:41:36,610 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:36,611 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:36,611 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:36,611 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:36,612 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:36,618 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:36,621 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:36,622 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:36,622 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:36,692 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:36,692 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:36,728 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8283] [2025-03-04 02:41:36,729 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:36,730 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:36,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8769-8780] [2025-03-04 02:41:36,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:41:36,931 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:41:36,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:36 WrapperNode [2025-03-04 02:41:36,932 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:41:36,932 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:41:36,933 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:41:36,933 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:41:36,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:36" (1/1) ... [2025-03-04 02:41:37,043 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:36" (1/1) ... [2025-03-04 02:41:37,107 INFO L138 Inliner]: procedures = 681, calls = 2620, calls flagged for inlining = 59, calls inlined = 10, statements flattened = 967 [2025-03-04 02:41:37,108 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:41:37,108 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:41:37,108 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:41:37,108 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:41:37,115 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:36" (1/1) ... [2025-03-04 02:41:37,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:36" (1/1) ... [2025-03-04 02:41:37,125 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:36" (1/1) ... [2025-03-04 02:41:37,157 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-03-04 02:41:37,158 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:36" (1/1) ... [2025-03-04 02:41:37,158 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:36" (1/1) ... [2025-03-04 02:41:37,198 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:36" (1/1) ... [2025-03-04 02:41:37,205 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:36" (1/1) ... [2025-03-04 02:41:37,212 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:36" (1/1) ... [2025-03-04 02:41:37,220 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:36" (1/1) ... [2025-03-04 02:41:37,234 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:41:37,235 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:41:37,235 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:41:37,235 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:41:37,236 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:36" (1/1) ... [2025-03-04 02:41:37,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:41:37,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:41:37,267 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) [2025-03-04 02:41:37,271 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 [2025-03-04 02:41:37,291 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-04 02:41:37,292 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-04 02:41:37,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:41:37,293 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 02:41:37,293 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 02:41:37,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-03-04 02:41:37,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-04 02:41:37,294 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-04 02:41:37,294 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-04 02:41:37,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:41:37,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:41:37,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:41:37,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:41:37,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-03-04 02:41:37,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:41:37,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:41:37,295 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:41:37,295 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:41:37,295 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2025-03-04 02:41:37,295 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2025-03-04 02:41:37,295 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-03-04 02:41:37,295 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-03-04 02:41:37,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-03-04 02:41:37,295 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_reserve [2025-03-04 02:41:37,295 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_reserve [2025-03-04 02:41:37,295 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-03-04 02:41:37,295 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-03-04 02:41:37,295 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:41:37,295 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:41:37,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:41:37,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-03-04 02:41:37,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-03-04 02:41:37,295 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 02:41:37,296 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 02:41:37,296 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-04 02:41:37,296 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-04 02:41:37,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-04 02:41:37,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-04 02:41:37,538 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:41:37,540 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:41:37,569 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 02:41:37,577 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 02:41:37,646 INFO L1325 $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; [2025-03-04 02:41:37,646 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6904: havoc #t~ret565#1.base, #t~ret565#1.offset; [2025-03-04 02:41:37,647 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L268: havoc nondet_voidp_#t~nondet11#1; [2025-03-04 02:41:37,649 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-03-04 02:41:37,651 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-04 02:41:37,693 INFO L1325 $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; [2025-03-04 02:41:37,794 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8035-2: havoc #t~ret964#1; [2025-03-04 02:41:37,794 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7082: havoc aws_mem_realloc_#t~ret593#1; [2025-03-04 02:41:37,794 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8034-2: havoc #t~ret962#1; [2025-03-04 02:41:44,373 INFO L1325 $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; [2025-03-04 02:41:44,450 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2025-03-04 02:41:44,450 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:41:44,458 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:41:44,458 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:41:44,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:41:44 BoogieIcfgContainer [2025-03-04 02:41:44,458 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:41:44,460 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:41:44,460 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:41:44,463 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:41:44,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:41:35" (1/3) ... [2025-03-04 02:41:44,463 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36f1bb2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:41:44, skipping insertion in model container [2025-03-04 02:41:44,464 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:36" (2/3) ... [2025-03-04 02:41:44,464 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36f1bb2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:41:44, skipping insertion in model container [2025-03-04 02:41:44,464 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:41:44" (3/3) ... [2025-03-04 02:41:44,465 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_harness_negated.i [2025-03-04 02:41:44,474 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:41:44,475 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_reserve_harness_negated.i that has 13 procedures, 159 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-03-04 02:41:44,519 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:41:44,526 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;@7a01af1f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:41:44,526 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:41:44,529 INFO L276 IsEmpty]: Start isEmpty. Operand has 159 states, 108 states have (on average 1.2777777777777777) internal successors, (138), 108 states have internal predecessors, (138), 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) [2025-03-04 02:41:44,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-03-04 02:41:44,537 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:41:44,538 INFO L218 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] [2025-03-04 02:41:44,538 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:41:44,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:41:44,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1307046159, now seen corresponding path program 1 times [2025-03-04 02:41:44,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:41:44,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020219088] [2025-03-04 02:41:44,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:41:44,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:42:50,485 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-03-04 02:42:51,058 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-03-04 02:42:51,060 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:42:51,060 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:42:51,788 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-03-04 02:42:51,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:42:51,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020219088] [2025-03-04 02:42:51,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020219088] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:42:51,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644347341] [2025-03-04 02:42:51,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:42:51,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:42:51,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:42:51,791 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 02:42:51,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process