./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 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_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-?-8fc3dc6-m [2025-03-17 07:03:27,126 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:03:27,183 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:03:27,188 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:03:27,188 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:03:27,207 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:03:27,207 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:03:27,207 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:03:27,208 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:03:27,208 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:03:27,208 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:03:27,208 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:03:27,209 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:03:27,209 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:03:27,209 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:03:27,209 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:03:27,209 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:03:27,210 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:03:27,210 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:03:27,210 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:03:27,210 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:03:27,210 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:03:27,210 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:03:27,210 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:03:27,210 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:03:27,210 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:03:27,211 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:03:27,211 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:03:27,211 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:03:27,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:03:27,211 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:03:27,211 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:03:27,211 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:03:27,211 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:03:27,211 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:03:27,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:03:27,211 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:03:27,211 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:03:27,211 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:03:27,211 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:03:27,211 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 [2025-03-17 07:03:27,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:03:27,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:03:27,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:03:27,429 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:03:27,429 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:03:27,430 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness_negated.i [2025-03-17 07:03:28,521 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01f633fc3/d93bcb634e3049d484f0a18083aa690c/FLAG61e31fe15 [2025-03-17 07:03:28,958 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:03:28,959 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness_negated.i [2025-03-17 07:03:28,991 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01f633fc3/d93bcb634e3049d484f0a18083aa690c/FLAG61e31fe15 [2025-03-17 07:03:29,109 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01f633fc3/d93bcb634e3049d484f0a18083aa690c [2025-03-17 07:03:29,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:03:29,113 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:03:29,114 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:03:29,114 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:03:29,117 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:03:29,118 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:03:29" (1/1) ... [2025-03-17 07:03:29,118 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1da30404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:29, skipping insertion in model container [2025-03-17 07:03:29,118 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:03:29" (1/1) ... [2025-03-17 07:03:29,171 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:03:29,342 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] [2025-03-17 07:03:29,351 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] [2025-03-17 07:03:29,806 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:29,806 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:29,806 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:29,807 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:29,809 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:29,818 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:29,818 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:29,819 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:29,819 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:30,211 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:30,212 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:30,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:03:30,297 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:03:30,306 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] [2025-03-17 07:03:30,307 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] [2025-03-17 07:03:30,343 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:30,343 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:30,344 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:30,344 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:30,344 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:30,349 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:30,350 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:30,351 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:30,351 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:30,465 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2025-03-17 07:03:30,466 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:30,467 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:30,476 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2025-03-17 07:03:30,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:03:30,646 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:03:30,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:30 WrapperNode [2025-03-17 07:03:30,646 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:03:30,647 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:03:30,647 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:03:30,647 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:03:30,651 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:30" (1/1) ... [2025-03-17 07:03:30,705 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:30" (1/1) ... [2025-03-17 07:03:30,743 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 871 [2025-03-17 07:03:30,744 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:03:30,744 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:03:30,744 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:03:30,744 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:03:30,753 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:30" (1/1) ... [2025-03-17 07:03:30,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:30" (1/1) ... [2025-03-17 07:03:30,766 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:30" (1/1) ... [2025-03-17 07:03:30,828 INFO L175 MemorySlicer]: Split 560 memory accesses to 7 slices as follows [2, 257, 238, 2, 8, 6, 47]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 0, 5, 0, 8]. The 496 writes are split as follows [0, 257, 232, 1, 1, 2, 3]. [2025-03-17 07:03:30,828 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:30" (1/1) ... [2025-03-17 07:03:30,828 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:30" (1/1) ... [2025-03-17 07:03:30,862 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:30" (1/1) ... [2025-03-17 07:03:30,870 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:30" (1/1) ... [2025-03-17 07:03:30,901 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:30" (1/1) ... [2025-03-17 07:03:30,906 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:30" (1/1) ... [2025-03-17 07:03:30,914 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:03:30,917 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:03:30,918 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:03:30,918 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:03:30,918 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:30" (1/1) ... [2025-03-17 07:03:30,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:03:30,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:03:30,945 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 07:03:30,948 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 07:03:30,970 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-17 07:03:30,971 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-17 07:03:30,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:03:30,971 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 07:03:30,971 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 07:03:30,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:03:30,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:03:30,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:03:30,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:03:30,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:03:30,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 07:03:30,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 07:03:30,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:03:30,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:03:30,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:03:30,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:03:30,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:03:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 07:03:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 07:03:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:03:30,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:03:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:03:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:03:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:03:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:03:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:03:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:03:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:03:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 07:03:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 07:03:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-03-17 07:03:30,973 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-03-17 07:03:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:03:30,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:03:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:03:30,974 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:03:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-17 07:03:30,975 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-17 07:03:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:03:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:03:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:03:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:03:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:03:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 07:03:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 07:03:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:03:30,975 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:03:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-03-17 07:03:30,975 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-03-17 07:03:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:03:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 07:03:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 07:03:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 07:03:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 07:03:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 07:03:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 07:03:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 07:03:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2025-03-17 07:03:30,975 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2025-03-17 07:03:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:03:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:03:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:03:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:03:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:03:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 07:03:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-17 07:03:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-17 07:03:30,975 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-17 07:03:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:03:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:03:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:03:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:03:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:03:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 07:03:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 07:03:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:03:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:03:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:03:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:03:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:03:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 07:03:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 07:03:31,217 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:03:31,220 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:03:31,259 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-17 07:03:31,385 INFO L1322 $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; [2025-03-17 07:03:31,393 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 07:03:31,403 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7310: havoc #t~ret657.base, #t~ret657.offset; [2025-03-17 07:03:38,347 INFO L1322 $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; [2025-03-17 07:03:38,347 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-17 07:03:38,347 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L267: havoc nondet_uint8_t_#t~nondet10#1; [2025-03-17 07:03:38,347 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-17 07:03:38,401 INFO L? ?]: Removed 100 outVars from TransFormulas that were not future-live. [2025-03-17 07:03:38,402 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:03:38,414 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:03:38,415 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:03:38,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:03:38 BoogieIcfgContainer [2025-03-17 07:03:38,416 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:03:38,417 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:03:38,417 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:03:38,421 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:03:38,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:03:29" (1/3) ... [2025-03-17 07:03:38,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5deafbfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:03:38, skipping insertion in model container [2025-03-17 07:03:38,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:30" (2/3) ... [2025-03-17 07:03:38,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5deafbfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:03:38, skipping insertion in model container [2025-03-17 07:03:38,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:03:38" (3/3) ... [2025-03-17 07:03:38,422 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_u8_harness_negated.i [2025-03-17 07:03:38,435 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:03:38,436 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_write_u8_harness_negated.i that has 11 procedures, 126 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-17 07:03:38,483 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:03:38,492 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;@5e4066c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:03:38,493 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:03:38,496 INFO L276 IsEmpty]: Start isEmpty. Operand has 126 states, 80 states have (on average 1.2375) internal successors, (99), 81 states have internal predecessors, (99), 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) [2025-03-17 07:03:38,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-03-17 07:03:38,503 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:03:38,505 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] [2025-03-17 07:03:38,505 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:03:38,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:03:38,510 INFO L85 PathProgramCache]: Analyzing trace with hash -199279283, now seen corresponding path program 1 times [2025-03-17 07:03:38,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:03:38,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881026542] [2025-03-17 07:03:38,516 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:03:38,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:04:46,573 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-17 07:04:47,074 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-17 07:04:47,074 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:04:47,074 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:04:47,743 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2025-03-17 07:04:47,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:04:47,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881026542] [2025-03-17 07:04:47,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881026542] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:04:47,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653588737] [2025-03-17 07:04:47,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:04:47,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:04:47,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:04:47,748 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 07:04:47,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process