./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 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_negated.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 a7f67f0b945b231903325b9d87712fabf07c1ed9b39f1b1898d1ef5cff9915d4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 02:43:07,988 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:43:08,040 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:43:08,045 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:43:08,046 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:43:08,059 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:43:08,059 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:43:08,059 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:43:08,060 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:43:08,060 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:43:08,060 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:43:08,060 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:43:08,060 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:43:08,060 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:43:08,060 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:43:08,060 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:43:08,061 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:43:08,061 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:43:08,061 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:43:08,061 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:43:08,061 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:43:08,061 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:43:08,061 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:43:08,061 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:43:08,061 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:43:08,061 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:43:08,061 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:43:08,062 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:43:08,062 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:43:08,062 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:43:08,062 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:43:08,062 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:43:08,062 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:43:08,062 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:43:08,062 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:43:08,062 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:43:08,062 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:43:08,062 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:43:08,062 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:43:08,063 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:43:08,063 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 -> a7f67f0b945b231903325b9d87712fabf07c1ed9b39f1b1898d1ef5cff9915d4 [2025-03-04 02:43:08,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:43:08,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:43:08,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:43:08,313 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:43:08,313 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:43:08,314 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness_negated.i [2025-03-04 02:43:09,480 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a31a5b99/eee8cfc966a34931abca3342bb5c7b2d/FLAG934120592 [2025-03-04 02:43:09,977 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:43:09,977 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness_negated.i [2025-03-04 02:43:10,020 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a31a5b99/eee8cfc966a34931abca3342bb5c7b2d/FLAG934120592 [2025-03-04 02:43:10,054 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a31a5b99/eee8cfc966a34931abca3342bb5c7b2d [2025-03-04 02:43:10,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:43:10,058 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:43:10,059 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:43:10,059 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:43:10,063 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:43:10,064 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:43:10" (1/1) ... [2025-03-04 02:43:10,065 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73f4b70a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:10, skipping insertion in model container [2025-03-04 02:43:10,065 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:43:10" (1/1) ... [2025-03-04 02:43:10,141 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:43:10,340 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_negated.i[4497,4510] [2025-03-04 02:43:10,347 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_negated.i[4557,4570] [2025-03-04 02:43:10,785 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:10,785 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:10,786 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:10,786 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:10,787 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:10,796 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:10,797 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:10,798 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:10,798 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:11,186 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:11,186 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:11,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:43:11,302 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:43:11,315 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_negated.i[4497,4510] [2025-03-04 02:43:11,315 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_negated.i[4557,4570] [2025-03-04 02:43:11,353 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:11,354 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:11,354 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:11,354 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:11,354 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:11,358 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:11,358 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:11,359 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:11,359 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:11,461 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2025-03-04 02:43:11,462 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:11,462 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:11,471 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2025-03-04 02:43:11,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:43:11,638 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:43:11,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:11 WrapperNode [2025-03-04 02:43:11,638 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:43:11,639 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:43:11,639 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:43:11,639 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:43:11,643 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:11" (1/1) ... [2025-03-04 02:43:11,684 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:11" (1/1) ... [2025-03-04 02:43:11,732 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 876 [2025-03-04 02:43:11,732 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:43:11,736 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:43:11,736 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:43:11,736 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:43:11,742 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:11" (1/1) ... [2025-03-04 02:43:11,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:11" (1/1) ... [2025-03-04 02:43:11,762 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:11" (1/1) ... [2025-03-04 02:43:11,822 INFO L175 MemorySlicer]: Split 562 memory accesses to 7 slices as follows [2, 47, 257, 238, 8, 4, 6]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 8, 0, 6, 5, 0, 0]. The 497 writes are split as follows [0, 3, 257, 232, 1, 2, 2]. [2025-03-04 02:43:11,822 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:11" (1/1) ... [2025-03-04 02:43:11,823 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:11" (1/1) ... [2025-03-04 02:43:11,849 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:11" (1/1) ... [2025-03-04 02:43:11,855 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:11" (1/1) ... [2025-03-04 02:43:11,860 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:11" (1/1) ... [2025-03-04 02:43:11,867 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:11" (1/1) ... [2025-03-04 02:43:11,875 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:43:11,879 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:43:11,879 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:43:11,879 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:43:11,879 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:11" (1/1) ... [2025-03-04 02:43:11,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:43:11,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:43:11,904 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) [2025-03-04 02:43:11,907 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 [2025-03-04 02:43:11,922 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-04 02:43:11,922 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-04 02:43:11,922 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hton32 [2025-03-04 02:43:11,923 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hton32 [2025-03-04 02:43:11,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:43:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 02:43:11,924 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 02:43:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 02:43:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 02:43:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 02:43:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 02:43:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 02:43:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 02:43:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 02:43:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 02:43:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 02:43:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 02:43:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 02:43:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 02:43:11,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 02:43:11,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 02:43:11,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:43:11,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:43:11,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:43:11,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:43:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 02:43:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 02:43:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 02:43:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 02:43:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 02:43:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 02:43:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 02:43:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-03-04 02:43:11,926 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-03-04 02:43:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:43:11,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:43:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:43:11,926 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:43:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-04 02:43:11,926 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-04 02:43:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 02:43:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 02:43:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 02:43:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 02:43:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 02:43:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 02:43:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 02:43:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:43:11,926 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:43:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-03-04 02:43:11,926 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-03-04 02:43:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:43:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 02:43:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 02:43:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 02:43:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 02:43:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 02:43:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 02:43:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 02:43:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2025-03-04 02:43:11,927 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2025-03-04 02:43:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 02:43:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 02:43:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 02:43:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 02:43:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 02:43:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 02:43:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 02:43:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 02:43:11,927 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 02:43:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 02:43:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 02:43:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 02:43:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 02:43:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 02:43:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 02:43:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 02:43:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 02:43:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 02:43:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 02:43:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 02:43:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 02:43:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 02:43:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 02:43:12,145 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:43:12,146 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:43:12,170 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 02:43:12,281 INFO L1325 $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; [2025-03-04 02:43:12,287 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3935: havoc #t~nondet243; [2025-03-04 02:43:12,291 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 02:43:12,297 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7310: havoc #t~ret657.base, #t~ret657.offset; [2025-03-04 02:43:19,165 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-04 02:43:19,165 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-04 02:43:19,165 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8559: 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; [2025-03-04 02:43:19,165 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L265: havoc nondet_uint32_t_#t~nondet8#1; [2025-03-04 02:43:19,209 INFO L? ?]: Removed 103 outVars from TransFormulas that were not future-live. [2025-03-04 02:43:19,209 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:43:19,221 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:43:19,221 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:43:19,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:43:19 BoogieIcfgContainer [2025-03-04 02:43:19,221 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:43:19,223 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:43:19,223 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:43:19,227 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:43:19,227 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:43:10" (1/3) ... [2025-03-04 02:43:19,227 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@581035e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:43:19, skipping insertion in model container [2025-03-04 02:43:19,227 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:11" (2/3) ... [2025-03-04 02:43:19,228 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@581035e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:43:19, skipping insertion in model container [2025-03-04 02:43:19,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:43:19" (3/3) ... [2025-03-04 02:43:19,229 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be32_harness_negated.i [2025-03-04 02:43:19,239 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:43:19,240 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_write_be32_harness_negated.i that has 12 procedures, 135 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-04 02:43:19,286 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:43:19,295 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;@7a8b1666, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:43:19,295 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:43:19,298 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) [2025-03-04 02:43:19,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-03-04 02:43:19,305 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:43:19,305 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] [2025-03-04 02:43:19,305 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:43:19,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:43:19,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1314157148, now seen corresponding path program 1 times [2025-03-04 02:43:19,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:43:19,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111167144] [2025-03-04 02:43:19,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:43:19,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:44:21,423 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-04 02:44:21,936 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-04 02:44:21,936 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:44:21,936 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:44:22,727 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2025-03-04 02:44:22,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:44:22,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111167144] [2025-03-04 02:44:22,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111167144] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:44:22,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404432139] [2025-03-04 02:44:22,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:44:22,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:44:22,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:44:22,730 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) [2025-03-04 02:44:22,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process