./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e8acf6765f11fcd1914a16b600f73d0dd655e8b1eed69990958acc7eadb94c2e --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 07:03:22,072 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:03:22,119 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:03:22,125 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:03:22,126 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:03:22,138 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:03:22,139 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:03:22,139 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:03:22,139 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:03:22,139 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:03:22,139 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:03:22,139 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:03:22,140 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:03:22,140 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:03:22,140 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:03:22,140 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:03:22,140 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:03:22,140 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:03:22,140 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:03:22,140 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:03:22,140 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:03:22,140 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:03:22,141 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:03:22,141 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:03:22,141 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:03:22,141 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:03:22,141 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:03:22,141 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:03:22,141 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:03:22,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:03:22,142 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:03:22,142 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:03:22,142 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:03:22,142 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:03:22,142 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:03:22,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:03:22,142 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:03:22,142 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:03:22,142 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:03:22,142 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:03:22,142 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8acf6765f11fcd1914a16b600f73d0dd655e8b1eed69990958acc7eadb94c2e [2025-03-17 07:03:22,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:03:22,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:03:22,383 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:03:22,384 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:03:22,384 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:03:22,385 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i [2025-03-17 07:03:23,540 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93a530cce/946edde3d0004ad79509935eac0e1cd4/FLAGcb6994220 [2025-03-17 07:03:23,957 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:03:23,958 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i [2025-03-17 07:03:23,987 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93a530cce/946edde3d0004ad79509935eac0e1cd4/FLAGcb6994220 [2025-03-17 07:03:24,107 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93a530cce/946edde3d0004ad79509935eac0e1cd4 [2025-03-17 07:03:24,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:03:24,109 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:03:24,110 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:03:24,110 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:03:24,114 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:03:24,114 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:03:24" (1/1) ... [2025-03-17 07:03:24,115 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d5be0a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:24, skipping insertion in model container [2025-03-17 07:03:24,116 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:03:24" (1/1) ... [2025-03-17 07:03:24,182 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:03:24,396 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i[4495,4508] [2025-03-17 07:03:24,405 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i[4555,4568] [2025-03-17 07:03:24,954 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:24,955 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:24,955 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:24,957 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:24,957 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:24,971 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:24,972 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:24,974 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:24,974 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:25,426 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:25,427 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:25,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:03:25,541 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:03:25,551 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i[4495,4508] [2025-03-17 07:03:25,551 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i[4555,4568] [2025-03-17 07:03:25,589 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:25,589 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:25,589 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:25,589 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:25,592 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:25,597 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:25,597 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:25,597 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:25,597 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:25,711 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2025-03-17 07:03:25,713 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:25,713 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:25,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2025-03-17 07:03:25,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:03:25,924 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:03:25,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:25 WrapperNode [2025-03-17 07:03:25,925 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:03:25,926 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:03:25,926 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:03:25,926 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:03:25,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:25" (1/1) ... [2025-03-17 07:03:25,998 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:25" (1/1) ... [2025-03-17 07:03:26,063 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 871 [2025-03-17 07:03:26,064 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:03:26,064 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:03:26,064 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:03:26,065 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:03:26,072 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:25" (1/1) ... [2025-03-17 07:03:26,073 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:25" (1/1) ... [2025-03-17 07:03:26,078 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:25" (1/1) ... [2025-03-17 07:03:26,135 INFO L175 MemorySlicer]: Split 560 memory accesses to 7 slices as follows [2, 257, 238, 47, 2, 8, 6]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 8, 0, 5, 0]. The 496 writes are split as follows [0, 257, 232, 3, 1, 1, 2]. [2025-03-17 07:03:26,136 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:25" (1/1) ... [2025-03-17 07:03:26,136 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:25" (1/1) ... [2025-03-17 07:03:26,175 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:25" (1/1) ... [2025-03-17 07:03:26,181 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:25" (1/1) ... [2025-03-17 07:03:26,189 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:25" (1/1) ... [2025-03-17 07:03:26,193 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:25" (1/1) ... [2025-03-17 07:03:26,205 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:03:26,206 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:03:26,206 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:03:26,206 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:03:26,207 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:25" (1/1) ... [2025-03-17 07:03:26,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:03:26,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:03:26,233 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 07:03:26,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 07:03:26,255 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-17 07:03:26,256 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-17 07:03:26,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:03:26,257 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 07:03:26,257 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 07:03:26,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:03:26,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:03:26,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:03:26,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:03:26,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:03:26,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 07:03:26,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 07:03:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:03:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:03:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:03:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:03:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:03:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 07:03:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 07:03:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:03:26,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:03:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:03:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:03:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:03:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:03:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:03:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:03:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:03:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 07:03:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 07:03:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-03-17 07:03:26,260 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-03-17 07:03:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:03:26,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:03:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:03:26,260 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:03:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-17 07:03:26,260 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-17 07:03:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:03:26,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:03:26,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:03:26,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:03:26,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:03:26,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 07:03:26,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 07:03:26,261 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:03:26,261 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:03:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-03-17 07:03:26,262 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-03-17 07:03:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:03:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 07:03:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 07:03:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 07:03:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 07:03:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 07:03:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 07:03:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 07:03:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2025-03-17 07:03:26,262 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2025-03-17 07:03:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:03:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:03:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:03:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:03:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:03:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 07:03:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-17 07:03:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-17 07:03:26,262 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-17 07:03:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:03:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:03:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:03:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:03:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:03:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 07:03:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 07:03:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:03:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:03:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:03:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:03:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:03:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 07:03:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 07:03:26,522 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:03:26,523 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:03:26,562 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-17 07:03:26,683 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7399: 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; [2025-03-17 07:03:26,694 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 07:03:26,701 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7342: havoc #t~ret657.base, #t~ret657.offset; [2025-03-17 07:03:33,792 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L267: havoc nondet_uint8_t_#t~nondet10#1; [2025-03-17 07:03:33,792 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-17 07:03:33,795 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L8577: 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; [2025-03-17 07:03:33,801 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-17 07:03:33,920 INFO L? ?]: Removed 100 outVars from TransFormulas that were not future-live. [2025-03-17 07:03:33,920 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:03:33,927 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:03:33,927 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:03:33,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:03:33 BoogieIcfgContainer [2025-03-17 07:03:33,927 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:03:33,929 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:03:33,929 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:03:33,932 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:03:33,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:03:24" (1/3) ... [2025-03-17 07:03:33,933 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb5fb50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:03:33, skipping insertion in model container [2025-03-17 07:03:33,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:25" (2/3) ... [2025-03-17 07:03:33,933 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb5fb50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:03:33, skipping insertion in model container [2025-03-17 07:03:33,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:03:33" (3/3) ... [2025-03-17 07:03:33,934 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_u8_harness.i [2025-03-17 07:03:33,953 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:03:33,955 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_write_u8_harness.i that has 11 procedures, 126 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-17 07:03:34,017 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:03:34,035 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;@35dc2d05, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:03:34,035 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:03:34,039 INFO L276 IsEmpty]: Start isEmpty. Operand has 126 states, 80 states have (on average 1.2375) internal successors, (99), 81 states have internal predecessors, (99), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-17 07:03:34,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-03-17 07:03:34,049 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:03:34,050 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] [2025-03-17 07:03:34,051 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:03:34,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:03:34,056 INFO L85 PathProgramCache]: Analyzing trace with hash -199279283, now seen corresponding path program 1 times [2025-03-17 07:03:34,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:03:34,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872851277] [2025-03-17 07:03:34,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:03:34,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:04:47,050 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-17 07:04:47,520 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-17 07:04:47,521 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:04:47,521 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:04:48,198 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2025-03-17 07:04:48,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:04:48,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872851277] [2025-03-17 07:04:48,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872851277] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:04:48,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628320268] [2025-03-17 07:04:48,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:04:48,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:04:48,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:04:48,202 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:04:48,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process