./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 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_relative_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 159e2e7d83d3b6b4cf1f3ed2869e7b3577187883e3957f87f67106f5f6570745 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 07:00:26,987 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:00:27,037 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:00:27,043 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:00:27,045 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:00:27,066 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:00:27,066 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:00:27,067 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:00:27,067 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:00:27,067 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:00:27,068 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:00:27,068 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:00:27,068 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:00:27,069 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:00:27,069 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:00:27,069 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:00:27,069 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:00:27,069 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:00:27,070 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:00:27,070 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:00:27,070 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:00:27,070 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:00:27,070 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:00:27,070 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:00:27,070 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:00:27,070 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:00:27,070 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:00:27,070 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:00:27,070 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:00:27,070 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:00:27,071 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:00:27,071 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:00:27,071 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:00:27,071 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:00:27,071 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:00:27,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:00:27,071 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:00:27,071 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:00:27,071 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:00:27,071 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:00:27,072 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 -> 159e2e7d83d3b6b4cf1f3ed2869e7b3577187883e3957f87f67106f5f6570745 [2025-03-17 07:00:27,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:00:27,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:00:27,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:00:27,312 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:00:27,312 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:00:27,313 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i [2025-03-17 07:00:28,393 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e3ac0388/97574637a1b94758a1089cfd607c3dee/FLAGfe51a3ca9 [2025-03-17 07:00:28,793 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:00:28,794 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i [2025-03-17 07:00:28,825 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e3ac0388/97574637a1b94758a1089cfd607c3dee/FLAGfe51a3ca9 [2025-03-17 07:00:28,975 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e3ac0388/97574637a1b94758a1089cfd607c3dee [2025-03-17 07:00:28,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:00:28,977 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:00:28,978 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:00:28,978 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:00:28,981 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:00:28,981 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:00:28" (1/1) ... [2025-03-17 07:00:28,982 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d80d568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:28, skipping insertion in model container [2025-03-17 07:00:28,982 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:00:28" (1/1) ... [2025-03-17 07:00:29,046 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:00:29,211 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_relative_harness_negated.i[4503,4516] [2025-03-17 07:00:29,217 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_relative_harness_negated.i[4563,4576] [2025-03-17 07:00:29,667 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:29,669 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:29,670 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:29,670 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:29,672 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:29,680 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:29,680 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:29,681 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:29,681 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:30,017 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:30,018 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:30,078 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:30,079 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:30,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:00:30,174 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:00:30,187 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_relative_harness_negated.i[4503,4516] [2025-03-17 07:00:30,187 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_relative_harness_negated.i[4563,4576] [2025-03-17 07:00:30,222 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:30,222 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:30,222 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:30,223 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:30,223 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:30,227 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:30,228 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:30,229 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:30,229 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:30,321 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:30,321 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:30,352 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8085] [2025-03-17 07:00:30,354 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:30,355 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:30,364 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8571-8582] [2025-03-17 07:00:30,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:00:30,537 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:00:30,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:30 WrapperNode [2025-03-17 07:00:30,538 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:00:30,539 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:00:30,539 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:00:30,539 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:00:30,543 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:30" (1/1) ... [2025-03-17 07:00:30,596 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:30" (1/1) ... [2025-03-17 07:00:30,652 INFO L138 Inliner]: procedures = 681, calls = 2499, calls flagged for inlining = 58, calls inlined = 13, statements flattened = 1020 [2025-03-17 07:00:30,653 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:00:30,653 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:00:30,653 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:00:30,654 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:00:30,666 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:30" (1/1) ... [2025-03-17 07:00:30,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:30" (1/1) ... [2025-03-17 07:00:30,674 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:30" (1/1) ... [2025-03-17 07:00:30,716 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-03-17 07:00:30,716 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:30" (1/1) ... [2025-03-17 07:00:30,717 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:30" (1/1) ... [2025-03-17 07:00:30,753 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:30" (1/1) ... [2025-03-17 07:00:30,755 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:30" (1/1) ... [2025-03-17 07:00:30,760 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:30" (1/1) ... [2025-03-17 07:00:30,766 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:30" (1/1) ... [2025-03-17 07:00:30,775 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:00:30,776 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:00:30,777 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:00:30,777 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:00:30,778 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:30" (1/1) ... [2025-03-17 07:00:30,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:00:30,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:00:30,806 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) [2025-03-17 07:00:30,808 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 [2025-03-17 07:00:30,823 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-17 07:00:30,823 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-17 07:00:30,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:00:30,823 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 07:00:30,823 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 07:00:30,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-03-17 07:00:30,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-17 07:00:30,823 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-17 07:00:30,823 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-17 07:00:30,823 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:00:30,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:00:30,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:00:30,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:00:30,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-03-17 07:00:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:00:30,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:00:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:00:30,824 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:00:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2025-03-17 07:00:30,824 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2025-03-17 07:00:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-03-17 07:00:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-03-17 07:00:30,824 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-03-17 07:00:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:00:30,824 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:00:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:00:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-17 07:00:30,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-17 07:00:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-03-17 07:00:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-03-17 07:00:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-17 07:00:30,824 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-17 07:00:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-17 07:00:30,824 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-17 07:00:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-17 07:00:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-17 07:00:31,023 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:00:31,025 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:00:31,082 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6868: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-17 07:00:31,133 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7193: havoc #t~mem622;havoc #t~mem623;havoc #t~short624;havoc #t~mem625.base, #t~mem625.offset;havoc #t~short626;havoc #t~mem627;havoc #t~mem628;havoc #t~mem629;havoc #t~short630;havoc #t~mem631;havoc #t~mem632.base, #t~mem632.offset;havoc #t~short633;havoc #t~short634;havoc #t~short635;havoc #t~short636; [2025-03-17 07:00:31,138 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 07:00:31,191 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6898: havoc #t~ret565#1.base, #t~ret565#1.offset; [2025-03-17 07:00:31,192 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6900: havoc #t~ret566#1;havoc #t~ite568#1.base, #t~ite568#1.offset;havoc #t~realloc~res567#1.base, #t~realloc~res567#1.offset; [2025-03-17 07:00:31,192 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L268: havoc nondet_voidp_#t~nondet11#1; [2025-03-17 07:00:31,203 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-17 07:00:37,800 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7856-2: havoc aws_byte_buf_reserve_relative_#t~ret912#1; [2025-03-17 07:00:37,801 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7865: havoc aws_byte_buf_reserve_relative_#t~mem918#1;havoc aws_byte_buf_reserve_relative_#t~ret919#1;call ULTIMATE.dealloc(aws_byte_buf_reserve_relative_~#requested_capacity~0#1.base, aws_byte_buf_reserve_relative_~#requested_capacity~0#1.offset);havoc aws_byte_buf_reserve_relative_~#requested_capacity~0#1.base, aws_byte_buf_reserve_relative_~#requested_capacity~0#1.offset; [2025-03-17 07:00:37,801 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7857-2: havoc aws_byte_buf_reserve_relative_#t~ret914#1; [2025-03-17 07:00:37,801 INFO L1322 $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; [2025-03-17 07:00:37,802 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-17 07:00:37,802 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7076: havoc aws_mem_realloc_#t~ret593#1; [2025-03-17 07:00:37,802 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7836-2: havoc aws_byte_buf_reserve_#t~ret901#1; [2025-03-17 07:00:37,802 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7837-2: havoc aws_byte_buf_reserve_#t~ret903#1; [2025-03-17 07:00:38,009 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2025-03-17 07:00:38,009 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:00:38,020 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:00:38,020 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:00:38,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:00:38 BoogieIcfgContainer [2025-03-17 07:00:38,021 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:00:38,022 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:00:38,024 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:00:38,027 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:00:38,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:00:28" (1/3) ... [2025-03-17 07:00:38,028 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a6d3473 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:00:38, skipping insertion in model container [2025-03-17 07:00:38,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:30" (2/3) ... [2025-03-17 07:00:38,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a6d3473 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:00:38, skipping insertion in model container [2025-03-17 07:00:38,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:00:38" (3/3) ... [2025-03-17 07:00:38,030 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_relative_harness_negated.i [2025-03-17 07:00:38,041 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:00:38,042 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_reserve_relative_harness_negated.i that has 12 procedures, 157 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2025-03-17 07:00:38,083 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:00:38,091 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;@3ce65080, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:00:38,091 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:00:38,094 INFO L276 IsEmpty]: Start isEmpty. Operand has 157 states, 108 states have (on average 1.3240740740740742) internal successors, (143), 107 states have internal predecessors, (143), 38 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2025-03-17 07:00:38,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-03-17 07:00:38,101 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:00:38,102 INFO L218 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] [2025-03-17 07:00:38,102 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:00:38,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:00:38,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1622348243, now seen corresponding path program 1 times [2025-03-17 07:00:38,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:00:38,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551891711] [2025-03-17 07:00:38,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:00:38,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:01:43,915 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-17 07:01:44,440 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-17 07:01:44,441 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:01:44,441 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:01:45,224 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-17 07:01:45,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:01:45,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551891711] [2025-03-17 07:01:45,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551891711] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:01:45,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [329158617] [2025-03-17 07:01:45,226 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:01:45,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:01:45,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:01:45,228 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) [2025-03-17 07:01:45,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process