./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 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/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-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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-?-48c9605-m [2025-02-08 01:35:40,151 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:35:40,199 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:35:40,202 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:35:40,203 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:35:40,219 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:35:40,221 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:35:40,221 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:35:40,221 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:35:40,221 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:35:40,221 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:35:40,221 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:35:40,222 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:35:40,222 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:35:40,222 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:35:40,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:35:40,222 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:35:40,222 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:35:40,222 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:35:40,222 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:35:40,222 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:35:40,222 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:35:40,223 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:35:40,223 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:35:40,223 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:35:40,223 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:35:40,223 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:35:40,223 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:35:40,223 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:35:40,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:35:40,223 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:35:40,223 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:35:40,223 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:35:40,223 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:35:40,224 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:35:40,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:35:40,224 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:35:40,224 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:35:40,224 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:35:40,224 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:35:40,224 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-jdk21/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 [2025-02-08 01:35:40,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:35:40,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:35:40,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:35:40,493 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:35:40,493 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:35:40,495 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i [2025-02-08 01:35:41,584 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0caf8b353/4c446d4eb9b14b33bc347c9d1d115c8c/FLAG1c7262e8d [2025-02-08 01:35:41,946 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:35:41,947 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i [2025-02-08 01:35:41,973 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0caf8b353/4c446d4eb9b14b33bc347c9d1d115c8c/FLAG1c7262e8d [2025-02-08 01:35:42,141 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0caf8b353/4c446d4eb9b14b33bc347c9d1d115c8c [2025-02-08 01:35:42,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:35:42,144 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:35:42,145 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:35:42,145 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:35:42,148 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:35:42,148 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:35:42" (1/1) ... [2025-02-08 01:35:42,149 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f2e1568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:42, skipping insertion in model container [2025-02-08 01:35:42,149 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:35:42" (1/1) ... [2025-02-08 01:35:42,217 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:35:42,421 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i[4503,4516] [2025-02-08 01:35:42,430 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i[4563,4576] [2025-02-08 01:35:42,999 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:42,999 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:43,000 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:43,000 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:43,001 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:43,011 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:43,012 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:43,013 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:43,014 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:43,375 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:43,375 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:43,452 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:43,453 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:43,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:35:43,571 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:35:43,585 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i[4503,4516] [2025-02-08 01:35:43,586 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i[4563,4576] [2025-02-08 01:35:43,627 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:43,627 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:43,627 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:43,628 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:43,628 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:43,636 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:43,638 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:43,638 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:43,639 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:43,735 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:43,735 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:43,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8085] [2025-02-08 01:35:43,787 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:43,787 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:35:43,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8571-8582] [2025-02-08 01:35:43,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:35:43,954 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:35:43,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:43 WrapperNode [2025-02-08 01:35:43,954 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:35:43,955 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:35:43,955 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:35:43,955 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:35:43,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:43" (1/1) ... [2025-02-08 01:35:44,008 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:43" (1/1) ... [2025-02-08 01:35:44,071 INFO L138 Inliner]: procedures = 681, calls = 2499, calls flagged for inlining = 58, calls inlined = 13, statements flattened = 1020 [2025-02-08 01:35:44,072 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:35:44,072 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:35:44,072 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:35:44,073 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:35:44,079 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:43" (1/1) ... [2025-02-08 01:35:44,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:43" (1/1) ... [2025-02-08 01:35:44,086 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:43" (1/1) ... [2025-02-08 01:35:44,125 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-02-08 01:35:44,125 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:43" (1/1) ... [2025-02-08 01:35:44,125 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:43" (1/1) ... [2025-02-08 01:35:44,149 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:43" (1/1) ... [2025-02-08 01:35:44,151 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:43" (1/1) ... [2025-02-08 01:35:44,155 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:43" (1/1) ... [2025-02-08 01:35:44,164 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:43" (1/1) ... [2025-02-08 01:35:44,174 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:35:44,174 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:35:44,176 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:35:44,176 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:35:44,177 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:43" (1/1) ... [2025-02-08 01:35:44,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:35:44,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:35:44,205 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 01:35:44,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 01:35:44,226 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-08 01:35:44,227 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-08 01:35:44,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:35:44,227 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:35:44,227 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:35:44,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-02-08 01:35:44,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-02-08 01:35:44,227 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-08 01:35:44,228 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-08 01:35:44,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:35:44,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:35:44,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:35:44,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:35:44,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-02-08 01:35:44,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:35:44,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:35:44,229 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:35:44,229 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:35:44,229 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2025-02-08 01:35:44,229 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2025-02-08 01:35:44,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-02-08 01:35:44,229 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-02-08 01:35:44,229 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-02-08 01:35:44,229 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:35:44,229 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:35:44,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:35:44,229 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-02-08 01:35:44,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-02-08 01:35:44,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-02-08 01:35:44,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-02-08 01:35:44,229 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:35:44,230 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:35:44,230 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-02-08 01:35:44,230 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-02-08 01:35:44,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-08 01:35:44,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-08 01:35:44,435 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:35:44,437 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:35:44,488 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6868: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 01:35:44,538 INFO L1324 $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; [2025-02-08 01:35:44,544 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:35:44,608 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6898: havoc #t~ret565#1.base, #t~ret565#1.offset; [2025-02-08 01:35:44,608 INFO L1324 $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; [2025-02-08 01:35:44,608 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L268: havoc nondet_voidp_#t~nondet11#1;#t~ret565#1.base, #t~ret565#1.offset := nondet_voidp_#res#1.base, nondet_voidp_#res#1.offset;havoc nondet_voidp_#t~nondet11#1;assume { :end_inline_nondet_voidp } true;#res#1.base, #res#1.offset := #t~ret565#1.base, #t~ret565#1.offset;havoc #t~ret565#1.base, #t~ret565#1.offset; [2025-02-08 01:35:44,624 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-02-08 01:35:51,255 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7856-2: havoc aws_byte_buf_reserve_relative_#t~ret912#1; [2025-02-08 01:35:51,256 INFO L1324 $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; [2025-02-08 01:35:51,256 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7857-2: havoc aws_byte_buf_reserve_relative_#t~ret914#1; [2025-02-08 01:35:51,256 INFO L1324 $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;aws_byte_buf_reserve_relative_harness_#t~ret1172#1 := aws_byte_buf_has_allocator_#res#1;havoc aws_byte_buf_has_allocator_#t~mem479#1.base, aws_byte_buf_has_allocator_#t~mem479#1.offset, aws_byte_buf_has_allocator_#t~ret478#1.base, aws_byte_buf_has_allocator_#t~ret478#1.offset, aws_byte_buf_has_allocator_~buf#1.base, aws_byte_buf_has_allocator_~buf#1.offset;havoc aws_byte_buf_has_allocator_#in~buf#1.base, aws_byte_buf_has_allocator_#in~buf#1.offset;assume { :end_inline_aws_byte_buf_has_allocator } true; [2025-02-08 01:35:51,256 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-02-08 01:35:51,256 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7076: havoc aws_mem_realloc_#t~ret593#1; [2025-02-08 01:35:51,256 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7836-2: havoc aws_byte_buf_reserve_#t~ret901#1; [2025-02-08 01:35:51,256 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8786: havoc aws_byte_buf_reserve_relative_harness_#t~ret1172#1; [2025-02-08 01:35:51,257 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8786-1: SUMMARY for call __VERIFIER_assert((if 0 == (if 0 == aws_byte_buf_reserve_relative_harness_#t~ret1172#1 % 256 then 1 else 0) then 0 else 1)); srcloc: null [2025-02-08 01:35:51,257 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7837-2: havoc aws_byte_buf_reserve_#t~ret903#1; [2025-02-08 01:35:51,462 INFO L? ?]: Removed 124 outVars from TransFormulas that were not future-live. [2025-02-08 01:35:51,462 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:35:51,471 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:35:51,471 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:35:51,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:35:51 BoogieIcfgContainer [2025-02-08 01:35:51,472 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:35:51,473 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:35:51,473 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:35:51,478 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:35:51,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:35:42" (1/3) ... [2025-02-08 01:35:51,479 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ca579d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:35:51, skipping insertion in model container [2025-02-08 01:35:51,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:35:43" (2/3) ... [2025-02-08 01:35:51,479 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ca579d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:35:51, skipping insertion in model container [2025-02-08 01:35:51,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:35:51" (3/3) ... [2025-02-08 01:35:51,480 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_relative_harness_negated.i [2025-02-08 01:35:51,490 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:35:51,492 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. [2025-02-08 01:35:51,528 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:35:51,536 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;@787684a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:35:51,537 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:35:51,541 INFO L276 IsEmpty]: Start isEmpty. Operand has 157 states, 101 states have (on average 1.3663366336633664) internal successors, (138), 108 states have internal predecessors, (138), 37 states have call successors, (37), 11 states have call predecessors, (37), 11 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2025-02-08 01:35:51,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-08 01:35:51,548 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:35:51,548 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] [2025-02-08 01:35:51,549 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:35:51,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:35:51,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1761188596, now seen corresponding path program 1 times [2025-02-08 01:35:51,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:35:51,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057875589] [2025-02-08 01:35:51,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:35:51,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:36:58,017 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 01:36:58,615 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 01:36:58,615 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:36:58,616 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:36:59,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 01:36:59,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:36:59,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057875589] [2025-02-08 01:36:59,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057875589] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:36:59,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054013388] [2025-02-08 01:36:59,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:36:59,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:36:59,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:36:59,344 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:36:59,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process