./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc 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_reset_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 213a189671075c0c13353e6cef2ff881190dbc59e085aa9fab998a3d426f19f8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 04:59:32,141 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 04:59:32,198 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 04:59:32,211 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 04:59:32,211 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 04:59:32,235 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 04:59:32,236 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 04:59:32,236 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 04:59:32,237 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 04:59:32,237 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 04:59:32,237 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 04:59:32,238 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 04:59:32,238 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 04:59:32,238 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 04:59:32,238 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 04:59:32,238 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 04:59:32,238 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 04:59:32,239 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 04:59:32,239 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 04:59:32,239 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 04:59:32,239 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 04:59:32,239 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 04:59:32,239 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 04:59:32,239 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 04:59:32,239 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 04:59:32,239 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 04:59:32,239 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 04:59:32,239 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 04:59:32,239 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 04:59:32,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:59:32,240 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 04:59:32,240 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 04:59:32,240 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 04:59:32,240 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 04:59:32,240 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 04:59:32,240 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 04:59:32,241 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 04:59:32,241 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 04:59:32,241 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 04:59:32,241 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 04:59:32,241 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 -> 213a189671075c0c13353e6cef2ff881190dbc59e085aa9fab998a3d426f19f8 [2025-02-06 04:59:32,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 04:59:32,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 04:59:32,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 04:59:32,480 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 04:59:32,480 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 04:59:32,481 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness_negated.i [2025-02-06 04:59:33,639 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/40060709e/3a63f79e820a484c8b6780086b685705/FLAGc2330d35a [2025-02-06 04:59:34,120 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 04:59:34,120 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness_negated.i [2025-02-06 04:59:34,149 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/40060709e/3a63f79e820a484c8b6780086b685705/FLAGc2330d35a [2025-02-06 04:59:34,160 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/40060709e/3a63f79e820a484c8b6780086b685705 [2025-02-06 04:59:34,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 04:59:34,162 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 04:59:34,163 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 04:59:34,163 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 04:59:34,166 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 04:59:34,167 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:59:34" (1/1) ... [2025-02-06 04:59:34,167 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11e2d96b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:34, skipping insertion in model container [2025-02-06 04:59:34,167 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:59:34" (1/1) ... [2025-02-06 04:59:34,233 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 04:59:34,426 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_reset_harness_negated.i[4492,4505] [2025-02-06 04:59:34,433 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_reset_harness_negated.i[4552,4565] [2025-02-06 04:59:34,899 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:34,900 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:34,900 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:34,900 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:34,901 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:34,912 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:34,913 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:34,914 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:34,914 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:35,313 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:35,314 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:35,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:59:35,448 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 04:59:35,459 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_reset_harness_negated.i[4492,4505] [2025-02-06 04:59:35,462 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_reset_harness_negated.i[4552,4565] [2025-02-06 04:59:35,489 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:35,490 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:35,491 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:35,491 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:35,492 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:35,499 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:35,500 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:35,501 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:35,501 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:35,594 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2025-02-06 04:59:35,595 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:35,595 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:35,605 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2025-02-06 04:59:35,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:59:35,772 INFO L204 MainTranslator]: Completed translation [2025-02-06 04:59:35,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:35 WrapperNode [2025-02-06 04:59:35,777 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 04:59:35,777 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 04:59:35,777 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 04:59:35,778 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 04:59:35,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:35" (1/1) ... [2025-02-06 04:59:35,834 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:35" (1/1) ... [2025-02-06 04:59:35,875 INFO L138 Inliner]: procedures = 680, calls = 2629, calls flagged for inlining = 59, calls inlined = 7, statements flattened = 822 [2025-02-06 04:59:35,876 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 04:59:35,876 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 04:59:35,877 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 04:59:35,877 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 04:59:35,884 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:35" (1/1) ... [2025-02-06 04:59:35,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:35" (1/1) ... [2025-02-06 04:59:35,891 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:35" (1/1) ... [2025-02-06 04:59:35,951 INFO L175 MemorySlicer]: Split 542 memory accesses to 6 slices as follows [2, 257, 238, 7, 31, 7]. 47 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 4, 4, 5]. The 494 writes are split as follows [0, 257, 232, 0, 4, 1]. [2025-02-06 04:59:35,951 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:35" (1/1) ... [2025-02-06 04:59:35,951 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:35" (1/1) ... [2025-02-06 04:59:35,970 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:35" (1/1) ... [2025-02-06 04:59:35,972 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:35" (1/1) ... [2025-02-06 04:59:35,977 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:35" (1/1) ... [2025-02-06 04:59:35,979 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:35" (1/1) ... [2025-02-06 04:59:35,984 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 04:59:35,985 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 04:59:35,985 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 04:59:35,985 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 04:59:35,986 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:35" (1/1) ... [2025-02-06 04:59:35,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:59:36,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:59:36,014 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) [2025-02-06 04:59:36,016 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 [2025-02-06 04:59:36,032 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-06 04:59:36,032 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-06 04:59:36,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 04:59:36,032 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 04:59:36,032 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 04:59:36,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 04:59:36,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 04:59:36,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 04:59:36,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 04:59:36,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 04:59:36,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 04:59:36,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 04:59:36,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 04:59:36,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 04:59:36,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 04:59:36,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 04:59:36,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 04:59:36,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 04:59:36,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 04:59:36,032 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2025-02-06 04:59:36,032 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2025-02-06 04:59:36,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 04:59:36,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 04:59:36,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 04:59:36,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 04:59:36,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 04:59:36,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 04:59:36,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 04:59:36,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 04:59:36,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 04:59:36,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 04:59:36,033 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 04:59:36,033 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 04:59:36,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 04:59:36,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 04:59:36,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 04:59:36,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 04:59:36,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 04:59:36,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 04:59:36,033 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 04:59:36,033 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 04:59:36,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 04:59:36,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 04:59:36,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 04:59:36,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 04:59:36,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 04:59:36,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 04:59:36,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 04:59:36,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 04:59:36,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 04:59:36,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 04:59:36,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 04:59:36,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 04:59:36,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 04:59:36,036 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 04:59:36,036 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 04:59:36,036 INFO L130 BoogieDeclarations]: Found specification of procedure assert_all_bytes_are [2025-02-06 04:59:36,036 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_all_bytes_are [2025-02-06 04:59:36,036 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 04:59:36,036 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 04:59:36,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 04:59:36,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 04:59:36,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 04:59:36,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 04:59:36,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 04:59:36,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 04:59:36,037 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2025-02-06 04:59:36,037 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2025-02-06 04:59:36,037 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-02-06 04:59:36,037 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-02-06 04:59:36,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 04:59:36,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 04:59:36,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 04:59:36,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 04:59:36,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 04:59:36,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 04:59:36,283 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 04:59:36,284 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 04:59:36,312 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 04:59:36,341 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 04:59:36,351 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7310: havoc #t~ret656.base, #t~ret656.offset; [2025-02-06 04:59:36,399 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7367: havoc #t~mem681;havoc #t~mem682;havoc #t~short683;havoc #t~mem684.base, #t~mem684.offset;havoc #t~short685;havoc #t~mem686;havoc #t~mem687;havoc #t~mem688;havoc #t~short689;havoc #t~mem690;havoc #t~mem691.base, #t~mem691.offset;havoc #t~short692;havoc #t~short693;havoc #t~short694;havoc #t~short695; [2025-02-06 04:59:36,411 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 04:59:43,130 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-02-06 04:59:43,163 INFO L? ?]: Removed 71 outVars from TransFormulas that were not future-live. [2025-02-06 04:59:43,163 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 04:59:43,171 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 04:59:43,173 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 04:59:43,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:59:43 BoogieIcfgContainer [2025-02-06 04:59:43,174 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 04:59:43,176 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 04:59:43,176 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 04:59:43,180 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 04:59:43,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 04:59:34" (1/3) ... [2025-02-06 04:59:43,180 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18e53ceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:59:43, skipping insertion in model container [2025-02-06 04:59:43,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:35" (2/3) ... [2025-02-06 04:59:43,181 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18e53ceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:59:43, skipping insertion in model container [2025-02-06 04:59:43,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:59:43" (3/3) ... [2025-02-06 04:59:43,182 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reset_harness_negated.i [2025-02-06 04:59:43,196 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 04:59:43,197 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_reset_harness_negated.i that has 12 procedures, 113 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 04:59:43,251 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 04:59:43,266 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;@513fa11f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 04:59:43,269 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 04:59:43,272 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 77 states have (on average 1.2207792207792207) internal successors, (94), 79 states have internal predecessors, (94), 23 states have call successors, (23), 11 states have call predecessors, (23), 11 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-06 04:59:43,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-02-06 04:59:43,284 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 04:59:43,285 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-02-06 04:59:43,285 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 04:59:43,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 04:59:43,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1195299708, now seen corresponding path program 1 times [2025-02-06 04:59:43,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 04:59:43,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360838638] [2025-02-06 04:59:43,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:59:43,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:00:55,138 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-06 05:00:55,663 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 05:00:55,664 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:00:55,664 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:00:56,330 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 05:00:56,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:00:56,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360838638] [2025-02-06 05:00:56,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360838638] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:00:56,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938634081] [2025-02-06 05:00:56,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:00:56,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:00:56,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:00:56,338 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) [2025-02-06 05:00:56,339 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