./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed 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_be32_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 08bedf130def9ff60f4cf2e9bb71ec26d1fb4e6ee787835be29e85d2a9a146c4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 17:54:08,862 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 17:54:08,920 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 17:54:08,924 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 17:54:08,925 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 17:54:08,937 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 17:54:08,938 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 17:54:08,938 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 17:54:08,939 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 17:54:08,939 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 17:54:08,940 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 17:54:08,940 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 17:54:08,940 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 17:54:08,940 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 17:54:08,940 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 17:54:08,940 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 17:54:08,941 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 17:54:08,941 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 17:54:08,941 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 17:54:08,941 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 17:54:08,941 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 17:54:08,941 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 17:54:08,941 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 17:54:08,941 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 17:54:08,941 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 17:54:08,941 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 17:54:08,942 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 17:54:08,942 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 17:54:08,942 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 17:54:08,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:54:08,942 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 17:54:08,942 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 17:54:08,942 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 17:54:08,943 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 17:54:08,943 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 17:54:08,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 17:54:08,943 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 17:54:08,943 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 17:54:08,943 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 17:54:08,943 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 17:54:08,943 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 -> 08bedf130def9ff60f4cf2e9bb71ec26d1fb4e6ee787835be29e85d2a9a146c4 [2025-03-08 17:54:09,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 17:54:09,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 17:54:09,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 17:54:09,163 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 17:54:09,163 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 17:54:09,164 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i [2025-03-08 17:54:10,264 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9675aa721/b1053e8c88844c38a25ef6107f26dd38/FLAGe111913e0 [2025-03-08 17:54:10,702 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 17:54:10,704 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i [2025-03-08 17:54:10,742 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9675aa721/b1053e8c88844c38a25ef6107f26dd38/FLAGe111913e0 [2025-03-08 17:54:10,837 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9675aa721/b1053e8c88844c38a25ef6107f26dd38 [2025-03-08 17:54:10,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 17:54:10,840 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 17:54:10,844 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 17:54:10,844 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 17:54:10,848 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 17:54:10,848 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:54:10" (1/1) ... [2025-03-08 17:54:10,849 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2478bcd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:10, skipping insertion in model container [2025-03-08 17:54:10,849 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:54:10" (1/1) ... [2025-03-08 17:54:10,916 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 17:54:11,129 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_be32_harness.i[4497,4510] [2025-03-08 17:54:11,136 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_be32_harness.i[4557,4570] [2025-03-08 17:54:11,618 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:11,618 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:11,619 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:11,619 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:11,620 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:11,628 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:11,628 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:11,629 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:11,630 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:12,003 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:12,004 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:12,047 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:54:12,085 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 17:54:12,096 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_be32_harness.i[4497,4510] [2025-03-08 17:54:12,097 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_be32_harness.i[4557,4570] [2025-03-08 17:54:12,136 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:12,137 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:12,137 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:12,138 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:12,139 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:12,144 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:12,144 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:12,144 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:12,144 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:12,276 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2025-03-08 17:54:12,278 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:12,278 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:12,290 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2025-03-08 17:54:12,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:54:12,470 INFO L204 MainTranslator]: Completed translation [2025-03-08 17:54:12,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:12 WrapperNode [2025-03-08 17:54:12,471 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 17:54:12,472 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 17:54:12,472 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 17:54:12,472 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 17:54:12,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:12" (1/1) ... [2025-03-08 17:54:12,530 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:12" (1/1) ... [2025-03-08 17:54:12,594 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 876 [2025-03-08 17:54:12,594 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 17:54:12,595 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 17:54:12,595 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 17:54:12,596 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 17:54:12,602 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:12" (1/1) ... [2025-03-08 17:54:12,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:12" (1/1) ... [2025-03-08 17:54:12,610 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:12" (1/1) ... [2025-03-08 17:54:12,670 INFO L175 MemorySlicer]: Split 562 memory accesses to 7 slices as follows [2, 8, 257, 238, 6, 4, 47]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 5, 0, 6, 0, 0, 8]. The 497 writes are split as follows [0, 1, 257, 232, 2, 2, 3]. [2025-03-08 17:54:12,670 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:12" (1/1) ... [2025-03-08 17:54:12,671 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:12" (1/1) ... [2025-03-08 17:54:12,726 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:12" (1/1) ... [2025-03-08 17:54:12,732 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:12" (1/1) ... [2025-03-08 17:54:12,736 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:12" (1/1) ... [2025-03-08 17:54:12,738 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:12" (1/1) ... [2025-03-08 17:54:12,743 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 17:54:12,743 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 17:54:12,743 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 17:54:12,743 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 17:54:12,747 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:12" (1/1) ... [2025-03-08 17:54:12,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:54:12,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:54:12,787 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) [2025-03-08 17:54:12,792 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 [2025-03-08 17:54:12,810 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-08 17:54:12,811 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-08 17:54:12,811 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hton32 [2025-03-08 17:54:12,811 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hton32 [2025-03-08 17:54:12,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 17:54:12,811 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 17:54:12,811 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 17:54:12,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 17:54:12,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 17:54:12,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 17:54:12,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 17:54:12,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 17:54:12,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 17:54:12,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 17:54:12,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 17:54:12,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 17:54:12,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 17:54:12,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 17:54:12,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 17:54:12,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 17:54:12,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 17:54:12,813 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 17:54:12,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 17:54:12,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 17:54:12,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 17:54:12,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 17:54:12,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 17:54:12,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 17:54:12,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 17:54:12,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 17:54:12,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 17:54:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 17:54:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-03-08 17:54:12,815 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-03-08 17:54:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 17:54:12,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 17:54:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 17:54:12,815 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 17:54:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-08 17:54:12,815 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-08 17:54:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 17:54:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 17:54:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 17:54:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 17:54:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 17:54:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 17:54:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 17:54:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 17:54:12,815 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 17:54:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-03-08 17:54:12,815 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-03-08 17:54:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 17:54:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 17:54:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 17:54:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 17:54:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 17:54:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 17:54:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 17:54:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 17:54:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2025-03-08 17:54:12,816 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2025-03-08 17:54:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 17:54:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 17:54:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 17:54:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 17:54:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 17:54:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 17:54:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 17:54:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 17:54:12,816 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 17:54:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 17:54:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 17:54:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 17:54:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 17:54:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 17:54:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 17:54:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 17:54:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 17:54:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 17:54:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 17:54:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 17:54:12,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 17:54:12,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 17:54:12,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 17:54:13,049 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 17:54:13,051 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 17:54:13,078 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-08 17:54:13,192 INFO L1307 $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; [2025-03-08 17:54:13,198 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3935: havoc #t~nondet243; [2025-03-08 17:54:13,201 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 17:54:13,207 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7342: havoc #t~ret657.base, #t~ret657.offset; [2025-03-08 17:54:20,025 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8591: havoc aws_byte_buf_write_be32_#t~ret1206#1;call ULTIMATE.dealloc(aws_byte_buf_write_be32_~#x#1.base, aws_byte_buf_write_be32_~#x#1.offset);havoc aws_byte_buf_write_be32_~#x#1.base, aws_byte_buf_write_be32_~#x#1.offset; [2025-03-08 17:54:20,025 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-08 17:54:20,025 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L265: havoc nondet_uint32_t_#t~nondet8#1; [2025-03-08 17:54:20,025 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-08 17:54:20,076 INFO L? ?]: Removed 103 outVars from TransFormulas that were not future-live. [2025-03-08 17:54:20,076 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 17:54:20,087 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 17:54:20,087 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 17:54:20,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:54:20 BoogieIcfgContainer [2025-03-08 17:54:20,087 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 17:54:20,089 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 17:54:20,089 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 17:54:20,092 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 17:54:20,092 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 05:54:10" (1/3) ... [2025-03-08 17:54:20,092 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27d92b20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:54:20, skipping insertion in model container [2025-03-08 17:54:20,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:12" (2/3) ... [2025-03-08 17:54:20,094 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27d92b20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:54:20, skipping insertion in model container [2025-03-08 17:54:20,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:54:20" (3/3) ... [2025-03-08 17:54:20,094 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be32_harness.i [2025-03-08 17:54:20,105 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 17:54:20,107 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_write_be32_harness.i that has 12 procedures, 135 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 17:54:20,149 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 17:54:20,158 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;@762d73c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 17:54:20,159 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 17:54:20,162 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 87 states have (on average 1.2183908045977012) internal successors, (106), 88 states have internal predecessors, (106), 35 states have call successors, (35), 11 states have call predecessors, (35), 11 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-03-08 17:54:20,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-03-08 17:54:20,167 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 17:54:20,168 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, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 17:54:20,168 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 17:54:20,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 17:54:20,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1314157148, now seen corresponding path program 1 times [2025-03-08 17:54:20,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 17:54:20,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249546053] [2025-03-08 17:54:20,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:54:20,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 17:55:24,180 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-08 17:55:24,664 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-08 17:55:24,664 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 17:55:24,664 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 17:55:25,368 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2025-03-08 17:55:25,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 17:55:25,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249546053] [2025-03-08 17:55:25,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249546053] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 17:55:25,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112048859] [2025-03-08 17:55:25,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:55:25,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 17:55:25,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:55:25,376 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) [2025-03-08 17:55:25,377 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process