./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_u8_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 fbd83f7e524270f26b355be3b6fdf116e3fc11da746439b12c865fa2fec80a91 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 02:44:43,779 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:44:43,836 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:44:43,842 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:44:43,842 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:44:43,859 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:44:43,860 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:44:43,861 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:44:43,861 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:44:43,861 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:44:43,862 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:44:43,862 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:44:43,862 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:44:43,862 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:44:43,863 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:44:43,863 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:44:43,863 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:44:43,863 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:44:43,863 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:44:43,863 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:44:43,863 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:44:43,863 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:44:43,864 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:44:43,864 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:44:43,864 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:44:43,864 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:44:43,864 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:44:43,864 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:44:43,864 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:44:43,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:44:43,865 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:44:43,865 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:44:43,865 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:44:43,865 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:44:43,865 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:44:43,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:44:43,865 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:44:43,865 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:44:43,865 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:44:43,865 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:44:43,865 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 -> fbd83f7e524270f26b355be3b6fdf116e3fc11da746439b12c865fa2fec80a91 [2025-03-04 02:44:44,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:44:44,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:44:44,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:44:44,102 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:44:44,102 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:44:44,106 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness_negated.i [2025-03-04 02:44:45,214 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f382c7d0/8f8156eea6af43cca899a2631852c000/FLAGac12496b0 [2025-03-04 02:44:45,613 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:44:45,613 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness_negated.i [2025-03-04 02:44:45,641 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f382c7d0/8f8156eea6af43cca899a2631852c000/FLAGac12496b0 [2025-03-04 02:44:45,785 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f382c7d0/8f8156eea6af43cca899a2631852c000 [2025-03-04 02:44:45,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:44:45,788 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:44:45,789 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:44:45,790 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:44:45,793 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:44:45,794 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:44:45" (1/1) ... [2025-03-04 02:44:45,796 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79477ef3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:44:45, skipping insertion in model container [2025-03-04 02:44:45,796 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:44:45" (1/1) ... [2025-03-04 02:44:45,865 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:44:46,050 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness_negated.i[4495,4508] [2025-03-04 02:44:46,056 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness_negated.i[4555,4568] [2025-03-04 02:44:46,587 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:46,588 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:46,588 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:46,589 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:46,590 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:46,600 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:46,601 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:46,602 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:46,602 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:47,056 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:47,057 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:47,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:44:47,160 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:44:47,173 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness_negated.i[4495,4508] [2025-03-04 02:44:47,173 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness_negated.i[4555,4568] [2025-03-04 02:44:47,211 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:47,211 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:47,212 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:47,213 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:47,213 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:47,219 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:47,221 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:47,222 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:47,222 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:47,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2025-03-04 02:44:47,372 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:47,372 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:47,385 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2025-03-04 02:44:47,400 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:44:47,543 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:44:47,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:44:47 WrapperNode [2025-03-04 02:44:47,544 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:44:47,544 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:44:47,544 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:44:47,545 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:44:47,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:44:47" (1/1) ... [2025-03-04 02:44:47,615 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:44:47" (1/1) ... [2025-03-04 02:44:47,676 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 871 [2025-03-04 02:44:47,676 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:44:47,677 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:44:47,677 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:44:47,677 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:44:47,689 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:44:47" (1/1) ... [2025-03-04 02:44:47,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:44:47" (1/1) ... [2025-03-04 02:44:47,697 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:44:47" (1/1) ... [2025-03-04 02:44:47,741 INFO L175 MemorySlicer]: Split 560 memory accesses to 7 slices as follows [2, 257, 238, 6, 8, 47, 2]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 0, 5, 8, 0]. The 496 writes are split as follows [0, 257, 232, 2, 1, 3, 1]. [2025-03-04 02:44:47,742 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:44:47" (1/1) ... [2025-03-04 02:44:47,742 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:44:47" (1/1) ... [2025-03-04 02:44:47,768 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:44:47" (1/1) ... [2025-03-04 02:44:47,772 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:44:47" (1/1) ... [2025-03-04 02:44:47,778 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:44:47" (1/1) ... [2025-03-04 02:44:47,785 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:44:47" (1/1) ... [2025-03-04 02:44:47,791 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:44:47,792 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:44:47,792 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:44:47,792 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:44:47,793 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:44:47" (1/1) ... [2025-03-04 02:44:47,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:44:47,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:44:47,819 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 02:44:47,821 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 02:44:47,841 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-04 02:44:47,842 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-04 02:44:47,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:44:47,842 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 02:44:47,843 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 02:44:47,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 02:44:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 02:44:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 02:44:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 02:44:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 02:44:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 02:44:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 02:44:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 02:44:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 02:44:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 02:44:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 02:44:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 02:44:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 02:44:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 02:44:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:44:47,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:44:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:44:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:44:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 02:44:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 02:44:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 02:44:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 02:44:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 02:44:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 02:44:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 02:44:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-03-04 02:44:47,844 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-03-04 02:44:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:44:47,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:44:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:44:47,844 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:44:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-04 02:44:47,844 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-04 02:44:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 02:44:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 02:44:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 02:44:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 02:44:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 02:44:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 02:44:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 02:44:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:44:47,845 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:44:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-03-04 02:44:47,845 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-03-04 02:44:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:44:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 02:44:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 02:44:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 02:44:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 02:44:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 02:44:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 02:44:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 02:44:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2025-03-04 02:44:47,845 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2025-03-04 02:44:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 02:44:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 02:44:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 02:44:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 02:44:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 02:44:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 02:44:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 02:44:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 02:44:47,845 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 02:44:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 02:44:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 02:44:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 02:44:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 02:44:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 02:44:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 02:44:47,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 02:44:47,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 02:44:47,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 02:44:47,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 02:44:47,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 02:44:47,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 02:44:47,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 02:44:47,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 02:44:48,112 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:44:48,114 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:44:48,144 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 02:44:48,260 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 02:44:48,271 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 02:44:48,279 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7310: havoc #t~ret657.base, #t~ret657.offset; [2025-03-04 02:44:55,229 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8545: havoc aws_byte_buf_write_u8_#t~ret1198#1;call ULTIMATE.dealloc(aws_byte_buf_write_u8_~#c#1.base, aws_byte_buf_write_u8_~#c#1.offset);havoc aws_byte_buf_write_u8_~#c#1.base, aws_byte_buf_write_u8_~#c#1.offset; [2025-03-04 02:44:55,230 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-04 02:44:55,230 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L267: havoc nondet_uint8_t_#t~nondet10#1; [2025-03-04 02:44:55,230 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-04 02:44:55,286 INFO L? ?]: Removed 102 outVars from TransFormulas that were not future-live. [2025-03-04 02:44:55,286 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:44:55,295 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:44:55,295 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:44:55,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:44:55 BoogieIcfgContainer [2025-03-04 02:44:55,295 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:44:55,297 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:44:55,297 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:44:55,301 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:44:55,301 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:44:45" (1/3) ... [2025-03-04 02:44:55,301 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15824fff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:44:55, skipping insertion in model container [2025-03-04 02:44:55,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:44:47" (2/3) ... [2025-03-04 02:44:55,302 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15824fff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:44:55, skipping insertion in model container [2025-03-04 02:44:55,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:44:55" (3/3) ... [2025-03-04 02:44:55,303 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_u8_harness_negated.i [2025-03-04 02:44:55,314 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:44:55,316 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_write_u8_harness_negated.i that has 11 procedures, 130 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-04 02:44:55,358 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:44:55,366 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;@2b48e7fb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:44:55,367 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:44:55,371 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 84 states have (on average 1.2261904761904763) internal successors, (103), 85 states have internal predecessors, (103), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-04 02:44:55,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-03-04 02:44:55,378 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:44:55,379 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] [2025-03-04 02:44:55,379 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:44:55,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:44:55,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1124650777, now seen corresponding path program 1 times [2025-03-04 02:44:55,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:44:55,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160444499] [2025-03-04 02:44:55,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:44:55,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:46:04,094 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-04 02:46:04,622 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-04 02:46:04,623 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:46:04,623 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:46:05,375 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 02:46:05,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:46:05,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160444499] [2025-03-04 02:46:05,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160444499] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:46:05,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206946180] [2025-03-04 02:46:05,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:46:05,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:46:05,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:46:05,380 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 02:46:05,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process