./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa607d34-0aa3-4e4a-b4ff-f5e39a712b71/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa607d34-0aa3-4e4a-b4ff-f5e39a712b71/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa607d34-0aa3-4e4a-b4ff-f5e39a712b71/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa607d34-0aa3-4e4a-b4ff-f5e39a712b71/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa607d34-0aa3-4e4a-b4ff-f5e39a712b71/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa607d34-0aa3-4e4a-b4ff-f5e39a712b71/bin/uautomizer-verify-4GaUIPS5ZU --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 5ab09f6d00b35855a638bb480b97a9e37405f3b4b54804a74b9b206823c7f543 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:04:42,143 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:04:42,238 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa607d34-0aa3-4e4a-b4ff-f5e39a712b71/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:04:42,245 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:04:42,248 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:04:42,295 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:04:42,295 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:04:42,296 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:04:42,296 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:04:42,299 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:04:42,300 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:04:42,300 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:04:42,300 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:04:42,301 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:04:42,301 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:04:42,302 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:04:42,304 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:04:42,305 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:04:42,305 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:04:42,305 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:04:42,306 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:04:42,310 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:04:42,310 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:04:42,310 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:04:42,310 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:04:42,311 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:04:42,311 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:04:42,311 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:04:42,311 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:04:42,312 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:04:42,312 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:04:42,323 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:04:42,324 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:04:42,324 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:04:42,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:04:42,324 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:04:42,324 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:04:42,325 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:04:42,325 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:04:42,325 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa607d34-0aa3-4e4a-b4ff-f5e39a712b71/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa607d34-0aa3-4e4a-b4ff-f5e39a712b71/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ab09f6d00b35855a638bb480b97a9e37405f3b4b54804a74b9b206823c7f543 [2024-10-31 22:04:42,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:04:42,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:04:42,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:04:42,684 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:04:42,685 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:04:42,686 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa607d34-0aa3-4e4a-b4ff-f5e39a712b71/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness.i Unable to find full path for "g++" [2024-10-31 22:04:44,612 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:04:45,180 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:04:45,182 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa607d34-0aa3-4e4a-b4ff-f5e39a712b71/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness.i [2024-10-31 22:04:45,223 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa607d34-0aa3-4e4a-b4ff-f5e39a712b71/bin/uautomizer-verify-4GaUIPS5ZU/data/656710d55/67463effc4834c60a5514aadfc26cd36/FLAG5327f4c4d [2024-10-31 22:04:45,245 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa607d34-0aa3-4e4a-b4ff-f5e39a712b71/bin/uautomizer-verify-4GaUIPS5ZU/data/656710d55/67463effc4834c60a5514aadfc26cd36 [2024-10-31 22:04:45,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:04:45,252 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:04:45,254 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:04:45,254 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:04:45,260 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:04:45,262 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:04:45" (1/1) ... [2024-10-31 22:04:45,264 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2264198d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:45, skipping insertion in model container [2024-10-31 22:04:45,264 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:04:45" (1/1) ... [2024-10-31 22:04:45,399 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:04:45,752 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa607d34-0aa3-4e4a-b4ff-f5e39a712b71/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness.i[4489,4502] [2024-10-31 22:04:45,761 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa607d34-0aa3-4e4a-b4ff-f5e39a712b71/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness.i[4549,4562] [2024-10-31 22:04:46,874 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:46,875 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:46,876 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:46,877 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:46,878 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:46,895 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:46,896 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:46,898 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:46,899 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:47,823 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:47,824 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:47,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:04:47,957 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:04:47,972 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa607d34-0aa3-4e4a-b4ff-f5e39a712b71/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness.i[4489,4502] [2024-10-31 22:04:47,973 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa607d34-0aa3-4e4a-b4ff-f5e39a712b71/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness.i[4549,4562] [2024-10-31 22:04:48,013 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:48,013 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:48,014 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:48,014 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:48,015 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:48,022 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:48,023 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:48,024 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:48,025 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:48,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2024-10-31 22:04:48,198 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:48,198 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:48,220 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2024-10-31 22:04:48,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:04:48,583 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:04:48,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:48 WrapperNode [2024-10-31 22:04:48,585 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:04:48,586 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:04:48,586 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:04:48,586 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:04:48,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:48" (1/1) ... [2024-10-31 22:04:48,713 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:48" (1/1) ... [2024-10-31 22:04:48,825 INFO L138 Inliner]: procedures = 680, calls = 2668, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 902 [2024-10-31 22:04:48,826 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:04:48,827 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:04:48,827 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:04:48,827 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:04:48,840 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:48" (1/1) ... [2024-10-31 22:04:48,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:48" (1/1) ... [2024-10-31 22:04:48,849 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:48" (1/1) ... [2024-10-31 22:04:48,936 INFO L175 MemorySlicer]: Split 578 memory accesses to 6 slices as follows [2, 257, 238, 6, 66, 9]. 44 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [2, 0, 6, 0, 16, 5]. The 497 writes are split as follows [0, 257, 232, 2, 6, 0]. [2024-10-31 22:04:48,940 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:48" (1/1) ... [2024-10-31 22:04:48,941 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:48" (1/1) ... [2024-10-31 22:04:48,996 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:48" (1/1) ... [2024-10-31 22:04:48,999 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:48" (1/1) ... [2024-10-31 22:04:49,020 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:48" (1/1) ... [2024-10-31 22:04:49,027 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:48" (1/1) ... [2024-10-31 22:04:49,045 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:04:49,046 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:04:49,047 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:04:49,047 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:04:49,048 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:48" (1/1) ... [2024-10-31 22:04:49,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:04:49,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa607d34-0aa3-4e4a-b4ff-f5e39a712b71/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:04:49,085 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa607d34-0aa3-4e4a-b4ff-f5e39a712b71/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:04:49,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa607d34-0aa3-4e4a-b4ff-f5e39a712b71/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:04:49,120 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-10-31 22:04:49,121 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-10-31 22:04:49,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:04:49,122 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-31 22:04:49,122 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-31 22:04:49,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:04:49,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:04:49,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:04:49,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:04:49,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 22:04:49,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-31 22:04:49,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:04:49,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:04:49,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:04:49,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:04:49,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:04:49,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 22:04:49,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 22:04:49,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 22:04:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:04:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:04:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-10-31 22:04:49,126 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-10-31 22:04:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:04:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:04:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:04:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:04:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 22:04:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-31 22:04:49,128 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2024-10-31 22:04:49,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2024-10-31 22:04:49,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:04:49,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:04:49,128 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-31 22:04:49,128 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-31 22:04:49,129 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-10-31 22:04:49,129 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-10-31 22:04:49,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 22:04:49,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 22:04:49,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 22:04:49,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 22:04:49,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 22:04:49,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-31 22:04:49,130 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:04:49,130 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:04:49,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:04:49,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:04:49,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:04:49,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:04:49,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 22:04:49,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 22:04:49,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-31 22:04:49,131 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-10-31 22:04:49,131 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-10-31 22:04:49,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 22:04:49,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 22:04:49,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 22:04:49,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 22:04:49,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 22:04:49,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-31 22:04:49,134 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-31 22:04:49,134 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-31 22:04:49,134 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-10-31 22:04:49,135 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-10-31 22:04:49,135 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2024-10-31 22:04:49,135 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2024-10-31 22:04:49,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:04:49,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:04:49,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:04:49,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:04:49,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 22:04:49,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 22:04:49,137 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2024-10-31 22:04:49,137 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2024-10-31 22:04:49,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:04:49,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:04:49,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:04:49,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:04:49,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:04:49,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 22:04:49,507 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:04:49,510 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:04:59,537 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2024-10-31 22:04:59,537 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:04:59,559 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:04:59,559 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:04:59,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:04:59 BoogieIcfgContainer [2024-10-31 22:04:59,560 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:04:59,563 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:04:59,563 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:04:59,566 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:04:59,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:04:45" (1/3) ... [2024-10-31 22:04:59,567 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dde2c7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:04:59, skipping insertion in model container [2024-10-31 22:04:59,568 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:48" (2/3) ... [2024-10-31 22:04:59,568 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dde2c7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:04:59, skipping insertion in model container [2024-10-31 22:04:59,568 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:04:59" (3/3) ... [2024-10-31 22:04:59,570 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_eq_harness.i [2024-10-31 22:04:59,588 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:04:59,589 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:04:59,677 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:04:59,683 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;@9873804, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:04:59,684 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:04:59,690 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 92 states have (on average 1.2282608695652173) internal successors, (113), 93 states have internal predecessors, (113), 46 states have call successors, (46), 13 states have call predecessors, (46), 13 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-31 22:04:59,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-31 22:04:59,707 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:04:59,709 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:04:59,710 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:04:59,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:04:59,717 INFO L85 PathProgramCache]: Analyzing trace with hash 379353637, now seen corresponding path program 1 times [2024-10-31 22:04:59,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:04:59,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361878726] [2024-10-31 22:04:59,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:04:59,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms