./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_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_write_u8_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 fbd83f7e524270f26b355be3b6fdf116e3fc11da746439b12c865fa2fec80a91 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:38:20,573 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:38:20,631 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:38:20,638 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:38:20,639 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:38:20,662 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:38:20,663 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:38:20,663 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:38:20,664 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:38:20,664 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:38:20,664 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:38:20,665 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:38:20,665 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:38:20,665 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:38:20,665 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:38:20,665 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:38:20,665 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:38:20,665 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:38:20,666 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:38:20,666 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:38:20,666 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:38:20,666 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:38:20,666 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:38:20,666 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:38:20,666 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:38:20,666 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:38:20,666 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:38:20,667 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:38:20,667 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:38:20,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:38:20,667 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:38:20,667 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:38:20,667 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:38:20,668 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:38:20,668 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:38:20,668 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:38:20,668 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:38:20,668 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:38:20,668 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:38:20,668 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:38:20,668 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 -> fbd83f7e524270f26b355be3b6fdf116e3fc11da746439b12c865fa2fec80a91 [2025-02-08 01:38:20,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:38:20,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:38:20,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:38:20,916 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:38:20,916 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:38:20,918 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness_negated.i [2025-02-08 01:38:22,082 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f82d6075a/396cc70cb75043ef8234ea96ad16a775/FLAGcd052c3bc [2025-02-08 01:38:22,602 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:38:22,602 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness_negated.i [2025-02-08 01:38:22,637 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f82d6075a/396cc70cb75043ef8234ea96ad16a775/FLAGcd052c3bc [2025-02-08 01:38:23,157 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f82d6075a/396cc70cb75043ef8234ea96ad16a775 [2025-02-08 01:38:23,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:38:23,160 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:38:23,161 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:38:23,161 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:38:23,164 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:38:23,165 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:38:23" (1/1) ... [2025-02-08 01:38:23,166 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5121a7b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:23, skipping insertion in model container [2025-02-08 01:38:23,166 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:38:23" (1/1) ... [2025-02-08 01:38:23,219 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:38:23,397 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_write_u8_harness_negated.i[4495,4508] [2025-02-08 01:38:23,404 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_write_u8_harness_negated.i[4555,4568] [2025-02-08 01:38:23,951 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:23,952 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:23,952 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:23,953 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:23,953 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:23,968 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:23,969 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:23,970 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:23,970 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:24,312 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:24,313 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:24,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:38:24,402 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:38:24,415 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_write_u8_harness_negated.i[4495,4508] [2025-02-08 01:38:24,415 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_write_u8_harness_negated.i[4555,4568] [2025-02-08 01:38:24,455 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:24,457 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:24,457 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:24,457 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:24,458 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:24,465 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:24,466 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:24,469 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:24,469 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:24,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2025-02-08 01:38:24,580 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:24,580 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:24,656 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2025-02-08 01:38:24,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:38:24,791 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:38:24,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:24 WrapperNode [2025-02-08 01:38:24,793 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:38:24,793 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:38:24,794 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:38:24,794 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:38:24,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:24" (1/1) ... [2025-02-08 01:38:24,852 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:24" (1/1) ... [2025-02-08 01:38:24,943 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 871 [2025-02-08 01:38:24,944 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:38:24,944 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:38:24,944 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:38:24,944 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:38:24,954 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:24" (1/1) ... [2025-02-08 01:38:24,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:24" (1/1) ... [2025-02-08 01:38:24,962 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:24" (1/1) ... [2025-02-08 01:38:25,018 INFO L175 MemorySlicer]: Split 560 memory accesses to 7 slices as follows [2, 257, 238, 8, 6, 47, 2]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 5, 0, 8, 0]. The 496 writes are split as follows [0, 257, 232, 1, 2, 3, 1]. [2025-02-08 01:38:25,018 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:24" (1/1) ... [2025-02-08 01:38:25,018 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:24" (1/1) ... [2025-02-08 01:38:25,055 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:24" (1/1) ... [2025-02-08 01:38:25,056 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:24" (1/1) ... [2025-02-08 01:38:25,067 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:24" (1/1) ... [2025-02-08 01:38:25,072 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:24" (1/1) ... [2025-02-08 01:38:25,084 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:38:25,087 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:38:25,087 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:38:25,087 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:38:25,088 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:24" (1/1) ... [2025-02-08 01:38:25,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:38:25,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:38:25,123 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 01:38:25,129 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 01:38:25,151 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-08 01:38:25,152 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-08 01:38:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:38:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:38:25,152 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:38:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:38:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:38:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:38:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:38:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:38:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 01:38:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-08 01:38:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:38:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:38:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:38:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:38:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:38:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 01:38:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-08 01:38:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:38:25,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:38:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:38:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:38:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:38:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:38:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:38:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:38:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:38:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 01:38:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-08 01:38:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-02-08 01:38:25,153 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-02-08 01:38:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:38:25,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:38:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:38:25,153 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:38:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-08 01:38:25,153 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-08 01:38:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:38:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:38:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:38:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:38:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:38:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 01:38:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-08 01:38:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:38:25,153 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:38:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-02-08 01:38:25,153 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-02-08 01:38:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:38:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:38:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:38:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:38:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:38:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:38:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 01:38:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-08 01:38:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2025-02-08 01:38:25,156 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2025-02-08 01:38:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:38:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:38:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:38:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:38:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:38:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 01:38:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-08 01:38:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:38:25,156 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:38:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:38:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:38:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:38:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:38:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:38:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 01:38:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-08 01:38:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:38:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:38:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:38:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:38:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:38:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 01:38:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-08 01:38:25,404 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:38:25,405 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:38:25,444 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 01:38:25,580 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7367: havoc #t~mem682;havoc #t~mem683;havoc #t~short684;havoc #t~mem685.base, #t~mem685.offset;havoc #t~short686;havoc #t~mem687;havoc #t~mem688;havoc #t~mem689;havoc #t~short690;havoc #t~mem691;havoc #t~mem692.base, #t~mem692.offset;havoc #t~short693;havoc #t~short694;havoc #t~short695;havoc #t~short696; [2025-02-08 01:38:25,594 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:38:25,605 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7310: havoc #t~ret657.base, #t~ret657.offset; [2025-02-08 01:38:32,551 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8545: havoc aws_byte_buf_write_u8_#t~ret1198#1;call ULTIMATE.dealloc(aws_byte_buf_write_u8_~#c#1.base, aws_byte_buf_write_u8_~#c#1.offset);havoc aws_byte_buf_write_u8_~#c#1.base, aws_byte_buf_write_u8_~#c#1.offset; [2025-02-08 01:38:32,551 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-02-08 01:38:32,552 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7125-1: SUMMARY for call assume_abort_if_not((if 0 == (if save_byte_from_array_#t~mem603#1 % 18446744073709551616 < save_byte_from_array_~size#1 % 18446744073709551616 then 1 else 0) then 0 else 1)); srcloc: null [2025-02-08 01:38:32,552 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7125: havoc save_byte_from_array_#t~mem603#1;call save_byte_from_array_#t~mem604#1 := read~int#4(save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8);call save_byte_from_array_#t~mem605#1 := read~int#3(save_byte_from_array_~array#1.base, save_byte_from_array_~array#1.offset + (if save_byte_from_array_#t~mem604#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then save_byte_from_array_#t~mem604#1 % 18446744073709551616 % 18446744073709551616 else save_byte_from_array_#t~mem604#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616), 1);call write~int#4(save_byte_from_array_#t~mem605#1, save_byte_from_array_~storage#1.base, 8 + save_byte_from_array_~storage#1.offset, 1);havoc save_byte_from_array_#t~mem604#1;havoc save_byte_from_array_#t~mem605#1; [2025-02-08 01:38:32,552 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L267: havoc nondet_uint8_t_#t~nondet10#1; [2025-02-08 01:38:32,552 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1;save_byte_from_array_#t~ret602#1 := nondet_size_t_#res#1;havoc nondet_size_t_#t~nondet6#1;assume { :end_inline_nondet_size_t } true;call write~int#4(save_byte_from_array_#t~ret602#1, save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8);havoc save_byte_from_array_#t~ret602#1;call save_byte_from_array_#t~mem603#1 := read~int#4(save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8); [2025-02-08 01:38:32,605 INFO L? ?]: Removed 100 outVars from TransFormulas that were not future-live. [2025-02-08 01:38:32,605 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:38:32,612 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:38:32,612 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:38:32,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:38:32 BoogieIcfgContainer [2025-02-08 01:38:32,616 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:38:32,618 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:38:32,618 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:38:32,621 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:38:32,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:38:23" (1/3) ... [2025-02-08 01:38:32,622 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fb614d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:38:32, skipping insertion in model container [2025-02-08 01:38:32,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:24" (2/3) ... [2025-02-08 01:38:32,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fb614d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:38:32, skipping insertion in model container [2025-02-08 01:38:32,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:38:32" (3/3) ... [2025-02-08 01:38:32,624 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_u8_harness_negated.i [2025-02-08 01:38:32,635 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:38:32,636 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_write_u8_harness_negated.i that has 11 procedures, 125 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-08 01:38:32,678 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:38:32,687 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;@57d8c5e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:38:32,688 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:38:32,691 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 78 states have (on average 1.2435897435897436) internal successors, (97), 81 states have internal predecessors, (97), 33 states have call successors, (33), 10 states have call predecessors, (33), 10 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-02-08 01:38:32,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-02-08 01:38:32,698 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:38:32,698 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:38:32,699 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:38:32,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:38:32,702 INFO L85 PathProgramCache]: Analyzing trace with hash -2116315724, now seen corresponding path program 1 times [2025-02-08 01:38:32,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:38:32,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741580599] [2025-02-08 01:38:32,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:38:32,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:39:58,326 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-02-08 01:39:58,788 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-02-08 01:39:58,789 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:39:58,789 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:39:59,445 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2025-02-08 01:39:59,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:39:59,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741580599] [2025-02-08 01:39:59,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741580599] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:39:59,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624408763] [2025-02-08 01:39:59,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:39:59,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:39:59,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:39:59,454 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 01:39:59,458 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