./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.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_from_whole_buffer_harness-1.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 cab1c092802d28f475b8a467f14dab6a3f796dc1a4441d8517361eeec98aa4cb --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 07:01:53,758 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:01:53,816 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:01:53,822 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:01:53,823 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:01:53,838 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:01:53,839 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:01:53,839 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:01:53,839 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:01:53,840 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:01:53,840 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:01:53,840 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:01:53,841 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:01:53,841 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:01:53,841 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:01:53,841 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:01:53,841 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:01:53,842 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:01:53,842 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:01:53,842 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:01:53,842 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:01:53,843 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:01:53,843 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:01:53,843 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:01:53,843 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:01:53,843 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:01:53,843 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:01:53,843 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:01:53,843 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:01:53,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:01:53,844 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:01:53,844 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:01:53,844 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:01:53,845 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:01:53,845 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:01:53,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:01:53,845 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:01:53,846 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:01:53,846 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:01:53,846 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:01:53,846 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 -> cab1c092802d28f475b8a467f14dab6a3f796dc1a4441d8517361eeec98aa4cb [2025-03-17 07:01:54,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:01:54,051 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:01:54,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:01:54,054 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:01:54,054 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:01:54,056 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i [2025-03-17 07:01:55,199 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e82016e6/b4c40caf0696415abc71faea4ee31683/FLAG93b1f7c74 [2025-03-17 07:01:55,644 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:01:55,645 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i [2025-03-17 07:01:55,676 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e82016e6/b4c40caf0696415abc71faea4ee31683/FLAG93b1f7c74 [2025-03-17 07:01:55,758 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e82016e6/b4c40caf0696415abc71faea4ee31683 [2025-03-17 07:01:55,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:01:55,762 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:01:55,763 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:01:55,763 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:01:55,766 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:01:55,767 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:01:55" (1/1) ... [2025-03-17 07:01:55,767 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@257b93be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:55, skipping insertion in model container [2025-03-17 07:01:55,767 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:01:55" (1/1) ... [2025-03-17 07:01:55,822 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:01:55,969 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_from_whole_buffer_harness-1.i[4510,4523] [2025-03-17 07:01:55,977 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_from_whole_buffer_harness-1.i[4570,4583] [2025-03-17 07:01:56,386 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:56,387 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:56,388 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:56,389 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:56,389 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:56,399 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:56,400 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:56,401 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:56,401 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:56,808 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:56,810 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:56,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:01:56,918 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:01:56,930 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_from_whole_buffer_harness-1.i[4510,4523] [2025-03-17 07:01:56,934 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_from_whole_buffer_harness-1.i[4570,4583] [2025-03-17 07:01:56,973 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:56,973 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:56,973 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:56,974 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:56,974 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:56,981 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:56,981 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:56,985 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:56,985 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:57,094 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2025-03-17 07:01:57,096 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:57,096 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:57,109 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2025-03-17 07:01:57,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:01:57,269 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:01:57,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:57 WrapperNode [2025-03-17 07:01:57,270 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:01:57,271 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:01:57,271 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:01:57,271 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:01:57,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:57" (1/1) ... [2025-03-17 07:01:57,321 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:57" (1/1) ... [2025-03-17 07:01:57,385 INFO L138 Inliner]: procedures = 680, calls = 2662, calls flagged for inlining = 58, calls inlined = 5, statements flattened = 900 [2025-03-17 07:01:57,386 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:01:57,386 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:01:57,386 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:01:57,386 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:01:57,393 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:57" (1/1) ... [2025-03-17 07:01:57,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:57" (1/1) ... [2025-03-17 07:01:57,399 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:57" (1/1) ... [2025-03-17 07:01:57,451 INFO L175 MemorySlicer]: Split 592 memory accesses to 5 slices as follows [257, 2, 6, 78, 249]. 43 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [0, 2, 0, 16, 11]. The 499 writes are split as follows [257, 0, 2, 7, 233]. [2025-03-17 07:01:57,452 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:57" (1/1) ... [2025-03-17 07:01:57,452 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:57" (1/1) ... [2025-03-17 07:01:57,485 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:57" (1/1) ... [2025-03-17 07:01:57,487 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:57" (1/1) ... [2025-03-17 07:01:57,495 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:57" (1/1) ... [2025-03-17 07:01:57,497 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:57" (1/1) ... [2025-03-17 07:01:57,512 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:01:57,512 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:01:57,512 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:01:57,513 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:01:57,513 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:57" (1/1) ... [2025-03-17 07:01:57,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:01:57,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:01:57,559 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 07:01:57,561 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 07:01:57,581 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-17 07:01:57,581 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-17 07:01:57,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:01:57,581 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 07:01:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 07:01:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:01:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:01:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:01:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:01:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:01:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:01:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:01:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:01:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:01:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:01:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:01:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:01:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:01:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:01:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-03-17 07:01:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-03-17 07:01:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:01:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:01:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:01:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:01:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:01:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-03-17 07:01:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-03-17 07:01:57,583 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2025-03-17 07:01:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2025-03-17 07:01:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:01:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:01:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:01:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:01:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-17 07:01:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-17 07:01:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-03-17 07:01:57,585 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-03-17 07:01:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:01:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:01:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:01:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:01:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:01:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:01:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:01:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-03-17 07:01:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-03-17 07:01:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:01:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 07:01:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 07:01:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 07:01:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 07:01:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 07:01:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2025-03-17 07:01:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2025-03-17 07:01:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:01:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:01:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:01:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:01:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:01:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-17 07:01:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-17 07:01:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-17 07:01:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-17 07:01:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2025-03-17 07:01:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2025-03-17 07:01:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:01:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:01:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:01:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:01:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:01:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2025-03-17 07:01:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2025-03-17 07:01:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:01:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:01:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:01:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:01:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:01:57,799 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:01:57,801 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:01:57,839 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-17 07:01:57,894 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-03-17 07:01:57,896 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-17 07:01:57,996 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 07:01:58,005 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 07:01:58,010 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc #t~mem477; [2025-03-17 07:01:58,035 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7342: havoc #t~ret657.base, #t~ret657.offset; [2025-03-17 07:02:04,597 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L8564: havoc aws_byte_buf_write_from_whole_buffer_#t~mem1189#1.base, aws_byte_buf_write_from_whole_buffer_#t~mem1189#1.offset;havoc aws_byte_buf_write_from_whole_buffer_#t~mem1190#1;havoc aws_byte_buf_write_from_whole_buffer_#t~ret1191#1;call ULTIMATE.dealloc(aws_byte_buf_write_from_whole_buffer_~#src#1.base, aws_byte_buf_write_from_whole_buffer_~#src#1.offset);havoc aws_byte_buf_write_from_whole_buffer_~#src#1.base, aws_byte_buf_write_from_whole_buffer_~#src#1.offset; [2025-03-17 07:02:04,658 INFO L? ?]: Removed 114 outVars from TransFormulas that were not future-live. [2025-03-17 07:02:04,659 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:02:04,670 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:02:04,670 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:02:04,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:02:04 BoogieIcfgContainer [2025-03-17 07:02:04,671 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:02:04,673 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:02:04,673 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:02:04,676 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:02:04,676 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:01:55" (1/3) ... [2025-03-17 07:02:04,677 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a5b8013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:02:04, skipping insertion in model container [2025-03-17 07:02:04,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:57" (2/3) ... [2025-03-17 07:02:04,677 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a5b8013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:02:04, skipping insertion in model container [2025-03-17 07:02:04,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:02:04" (3/3) ... [2025-03-17 07:02:04,678 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_from_whole_buffer_harness-1.i [2025-03-17 07:02:04,689 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:02:04,690 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_write_from_whole_buffer_harness-1.i that has 17 procedures, 182 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-17 07:02:04,735 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:02:04,745 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;@5c786f3e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:02:04,745 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:02:04,748 INFO L276 IsEmpty]: Start isEmpty. Operand has 182 states, 106 states have (on average 1.2075471698113207) internal successors, (128), 108 states have internal predecessors, (128), 58 states have call successors, (58), 16 states have call predecessors, (58), 16 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2025-03-17 07:02:04,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2025-03-17 07:02:04,758 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:02:04,758 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:02:04,759 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:02:04,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:02:04,762 INFO L85 PathProgramCache]: Analyzing trace with hash -666675449, now seen corresponding path program 1 times [2025-03-17 07:02:04,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:02:04,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864485188] [2025-03-17 07:02:04,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:02:04,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:03:24,899 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 175 statements into 1 equivalence classes. [2025-03-17 07:03:25,437 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 175 of 175 statements. [2025-03-17 07:03:25,437 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:03:25,437 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:03:26,223 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2025-03-17 07:03:26,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:03:26,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864485188] [2025-03-17 07:03:26,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864485188] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:03:26,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1630567317] [2025-03-17 07:03:26,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:03:26,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:03:26,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:03:26,226 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 07:03:26,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process