./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 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/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-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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-?-551b009-m [2025-01-09 17:06:40,945 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:06:41,004 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:06:41,009 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:06:41,011 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:06:41,032 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:06:41,034 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:06:41,034 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:06:41,034 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:06:41,034 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:06:41,035 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:06:41,035 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:06:41,036 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:06:41,036 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:06:41,036 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:06:41,036 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:06:41,036 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:06:41,036 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:06:41,036 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:06:41,036 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:06:41,036 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:06:41,036 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:06:41,037 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:06:41,037 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:06:41,037 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:06:41,037 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:06:41,037 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:06:41,037 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:06:41,037 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:06:41,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:06:41,037 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:06:41,037 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:06:41,038 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:06:41,038 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:06:41,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:06:41,038 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:06:41,038 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:06:41,038 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:06:41,038 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:06:41,039 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:06:41,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:06:41,039 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:06:41,039 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:06:41,039 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:06:41,039 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:06:41,039 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-jdk21/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 [2025-01-09 17:06:41,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:06:41,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:06:41,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:06:41,257 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:06:41,257 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:06:41,258 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness_negated.i [2025-01-09 17:06:42,361 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/901e596a6/6f210ebe0f98401f86e2931983f68eb2/FLAG5c7c2ce69 [2025-01-09 17:06:42,769 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:06:42,771 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness_negated.i [2025-01-09 17:06:42,799 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/901e596a6/6f210ebe0f98401f86e2931983f68eb2/FLAG5c7c2ce69 [2025-01-09 17:06:42,920 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/901e596a6/6f210ebe0f98401f86e2931983f68eb2 [2025-01-09 17:06:42,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:06:42,923 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:06:42,924 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:06:42,924 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:06:42,927 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:06:42,927 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:06:42" (1/1) ... [2025-01-09 17:06:42,928 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1827a99e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:06:42, skipping insertion in model container [2025-01-09 17:06:42,928 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:06:42" (1/1) ... [2025-01-09 17:06:42,973 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:06:43,119 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness_negated.i[4495,4508] [2025-01-09 17:06:43,124 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness_negated.i[4555,4568] [2025-01-09 17:06:43,582 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:43,583 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:43,583 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:43,584 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:43,584 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:43,601 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:43,601 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:43,602 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:43,603 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:43,966 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:43,967 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:44,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:06:44,095 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:06:44,110 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness_negated.i[4495,4508] [2025-01-09 17:06:44,111 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness_negated.i[4555,4568] [2025-01-09 17:06:44,142 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:44,144 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:44,144 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:44,145 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:44,145 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:44,152 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:44,152 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:44,153 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:44,153 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:44,239 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2025-01-09 17:06:44,240 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:44,240 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:44,248 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2025-01-09 17:06:44,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:06:44,394 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:06:44,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:06:44 WrapperNode [2025-01-09 17:06:44,395 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:06:44,396 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:06:44,396 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:06:44,396 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:06:44,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:06:44" (1/1) ... [2025-01-09 17:06:44,443 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:06:44" (1/1) ... [2025-01-09 17:06:44,480 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 871 [2025-01-09 17:06:44,481 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:06:44,481 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:06:44,481 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:06:44,481 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:06:44,488 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:06:44" (1/1) ... [2025-01-09 17:06:44,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:06:44" (1/1) ... [2025-01-09 17:06:44,494 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:06:44" (1/1) ... [2025-01-09 17:06:44,555 INFO L175 MemorySlicer]: Split 560 memory accesses to 7 slices as follows [2, 257, 238, 6, 47, 2, 8]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 0, 8, 0, 5]. The 496 writes are split as follows [0, 257, 232, 2, 3, 1, 1]. [2025-01-09 17:06:44,556 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:06:44" (1/1) ... [2025-01-09 17:06:44,556 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:06:44" (1/1) ... [2025-01-09 17:06:44,575 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:06:44" (1/1) ... [2025-01-09 17:06:44,581 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:06:44" (1/1) ... [2025-01-09 17:06:44,583 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:06:44" (1/1) ... [2025-01-09 17:06:44,591 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:06:44" (1/1) ... [2025-01-09 17:06:44,598 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:06:44" (1/1) ... [2025-01-09 17:06:44,607 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:06:44,608 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:06:44,608 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:06:44,608 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:06:44,610 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:06:44" (1/1) ... [2025-01-09 17:06:44,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:06:44,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:06:44,635 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 17:06:44,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 17:06:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-01-09 17:06:44,656 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-01-09 17:06:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:06:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:06:44,656 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:06:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:06:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:06:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:06:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:06:44,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:06:44,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:06:44,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 17:06:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:06:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:06:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:06:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:06:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:06:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:06:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 17:06:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:06:44,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:06:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:06:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:06:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:06:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:06:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:06:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:06:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:06:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:06:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 17:06:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-01-09 17:06:44,658 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-01-09 17:06:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:06:44,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:06:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:06:44,658 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:06:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-01-09 17:06:44,658 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-01-09 17:06:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:06:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:06:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:06:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:06:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:06:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:06:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 17:06:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:06:44,659 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:06:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-01-09 17:06:44,660 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-01-09 17:06:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:06:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:06:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:06:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:06:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:06:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:06:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:06:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 17:06:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2025-01-09 17:06:44,661 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2025-01-09 17:06:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:06:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:06:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:06:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:06:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:06:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:06:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 17:06:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:06:44,661 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:06:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:06:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:06:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:06:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:06:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:06:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:06:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 17:06:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:06:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:06:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:06:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:06:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:06:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:06:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 17:06:44,899 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:06:44,901 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:06:52,114 INFO L? ?]: Removed 102 outVars from TransFormulas that were not future-live. [2025-01-09 17:06:52,115 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:06:52,127 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:06:52,128 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 17:06:52,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:06:52 BoogieIcfgContainer [2025-01-09 17:06:52,129 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:06:52,130 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:06:52,131 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:06:52,133 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:06:52,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:06:42" (1/3) ... [2025-01-09 17:06:52,134 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e6db2a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:06:52, skipping insertion in model container [2025-01-09 17:06:52,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:06:44" (2/3) ... [2025-01-09 17:06:52,134 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e6db2a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:06:52, skipping insertion in model container [2025-01-09 17:06:52,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:06:52" (3/3) ... [2025-01-09 17:06:52,136 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_u8_harness_negated.i [2025-01-09 17:06:52,146 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:06:52,147 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. [2025-01-09 17:06:52,186 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:06:52,196 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;@386a941b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:06:52,197 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:06:52,199 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) [2025-01-09 17:06:52,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-01-09 17:06:52,212 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:06:52,212 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] [2025-01-09 17:06:52,213 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:06:52,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:06:52,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1980080392, now seen corresponding path program 1 times [2025-01-09 17:06:52,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:06:52,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345553364] [2025-01-09 17:06:52,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:06:52,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:07:58,672 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-01-09 17:07:59,135 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-01-09 17:07:59,136 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:07:59,137 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:07:59,728 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2025-01-09 17:07:59,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:07:59,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345553364] [2025-01-09 17:07:59,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345553364] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:07:59,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1431526731] [2025-01-09 17:07:59,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:07:59,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:07:59,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:07:59,735 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:07:59,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process