./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a01f32-9e35-4b42-986f-e13378af1721/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a01f32-9e35-4b42-986f-e13378af1721/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_58a01f32-9e35-4b42-986f-e13378af1721/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a01f32-9e35-4b42-986f-e13378af1721/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a01f32-9e35-4b42-986f-e13378af1721/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_58a01f32-9e35-4b42-986f-e13378af1721/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 e55ac5434b951971879a153437b53000a6218e43a47ba6f85cc2dc8135a82b6f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:07:43,997 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:07:44,093 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a01f32-9e35-4b42-986f-e13378af1721/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:07:44,099 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:07:44,100 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:07:44,125 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:07:44,125 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:07:44,126 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:07:44,127 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:07:44,127 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:07:44,128 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:07:44,128 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:07:44,129 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:07:44,130 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:07:44,130 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:07:44,131 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:07:44,131 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:07:44,131 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:07:44,132 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:07:44,132 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:07:44,133 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:07:44,133 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:07:44,134 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:07:44,134 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:07:44,135 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:07:44,135 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:07:44,136 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:07:44,136 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:07:44,137 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:07:44,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:07:44,137 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:07:44,138 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:07:44,138 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:07:44,139 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:07:44,139 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:07:44,139 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:07:44,140 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:07:44,140 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:07:44,140 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:07:44,141 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_58a01f32-9e35-4b42-986f-e13378af1721/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a01f32-9e35-4b42-986f-e13378af1721/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e55ac5434b951971879a153437b53000a6218e43a47ba6f85cc2dc8135a82b6f [2024-10-31 22:07:44,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:07:44,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:07:44,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:07:44,549 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:07:44,549 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:07:44,551 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a01f32-9e35-4b42-986f-e13378af1721/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness_negated.i Unable to find full path for "g++" [2024-10-31 22:07:46,786 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:07:47,312 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:07:47,315 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a01f32-9e35-4b42-986f-e13378af1721/sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness_negated.i [2024-10-31 22:07:47,356 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a01f32-9e35-4b42-986f-e13378af1721/bin/uautomizer-verify-4GaUIPS5ZU/data/e451bc8a9/24f13b672f284e0b9d78ae50ae681514/FLAG206ad5492 [2024-10-31 22:07:47,376 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a01f32-9e35-4b42-986f-e13378af1721/bin/uautomizer-verify-4GaUIPS5ZU/data/e451bc8a9/24f13b672f284e0b9d78ae50ae681514 [2024-10-31 22:07:47,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:07:47,382 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:07:47,383 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:07:47,383 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:07:47,397 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:07:47,398 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:07:47" (1/1) ... [2024-10-31 22:07:47,399 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc40ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:47, skipping insertion in model container [2024-10-31 22:07:47,399 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:07:47" (1/1) ... [2024-10-31 22:07:47,543 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:07:47,922 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_58a01f32-9e35-4b42-986f-e13378af1721/sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness_negated.i[4494,4507] [2024-10-31 22:07:47,931 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_58a01f32-9e35-4b42-986f-e13378af1721/sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness_negated.i[4554,4567] [2024-10-31 22:07:48,961 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:07:48,962 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:07:48,963 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:07:48,964 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:07:48,965 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:07:48,983 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:07:48,984 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:07:48,987 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:07:48,988 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:07:49,971 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:07:49,972 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:07:50,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:07:50,162 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:07:50,189 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_58a01f32-9e35-4b42-986f-e13378af1721/sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness_negated.i[4494,4507] [2024-10-31 22:07:50,190 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_58a01f32-9e35-4b42-986f-e13378af1721/sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness_negated.i[4554,4567] [2024-10-31 22:07:50,263 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:07:50,263 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:07:50,265 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:07:50,265 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:07:50,266 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:07:50,283 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:07:50,284 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:07:50,286 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:07:50,286 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:07:50,467 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2024-10-31 22:07:50,469 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:07:50,470 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:07:50,491 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2024-10-31 22:07:50,520 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:07:50,806 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:07:50,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:50 WrapperNode [2024-10-31 22:07:50,806 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:07:50,807 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:07:50,808 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:07:50,808 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:07:50,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:50" (1/1) ... [2024-10-31 22:07:50,949 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:50" (1/1) ... [2024-10-31 22:07:51,050 INFO L138 Inliner]: procedures = 680, calls = 2671, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 975 [2024-10-31 22:07:51,050 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:07:51,051 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:07:51,051 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:07:51,052 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:07:51,064 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:50" (1/1) ... [2024-10-31 22:07:51,064 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:50" (1/1) ... [2024-10-31 22:07:51,078 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:50" (1/1) ... [2024-10-31 22:07:51,185 INFO L175 MemorySlicer]: Split 591 memory accesses to 5 slices as follows [2, 257, 245, 81, 6]. 43 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [2, 0, 11, 12, 0]. The 508 writes are split as follows [0, 257, 232, 17, 2]. [2024-10-31 22:07:51,186 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:50" (1/1) ... [2024-10-31 22:07:51,186 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:50" (1/1) ... [2024-10-31 22:07:51,236 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:50" (1/1) ... [2024-10-31 22:07:51,242 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:50" (1/1) ... [2024-10-31 22:07:51,256 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:50" (1/1) ... [2024-10-31 22:07:51,269 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:50" (1/1) ... [2024-10-31 22:07:51,285 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:07:51,286 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:07:51,286 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:07:51,286 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:07:51,287 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:50" (1/1) ... [2024-10-31 22:07:51,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:07:51,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a01f32-9e35-4b42-986f-e13378af1721/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:51,327 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a01f32-9e35-4b42-986f-e13378af1721/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:51,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a01f32-9e35-4b42-986f-e13378af1721/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:07:51,362 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-10-31 22:07:51,364 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-10-31 22:07:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:07:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-31 22:07:51,364 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-31 22:07:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:07:51,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:07:51,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:07:51,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:07:51,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 22:07:51,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:07:51,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:07:51,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:07:51,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:07:51,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:07:51,368 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 22:07:51,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 22:07:51,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:07:51,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:07:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:07:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:07:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:07:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:07:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 22:07:51,370 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2024-10-31 22:07:51,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2024-10-31 22:07:51,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:07:51,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:07:51,370 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-31 22:07:51,371 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-31 22:07:51,371 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-10-31 22:07:51,371 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-10-31 22:07:51,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 22:07:51,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 22:07:51,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 22:07:51,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 22:07:51,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 22:07:51,372 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:07:51,373 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:07:51,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:07:51,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:07:51,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:07:51,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:07:51,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 22:07:51,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 22:07:51,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 22:07:51,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 22:07:51,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 22:07:51,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 22:07:51,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 22:07:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-31 22:07:51,376 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-31 22:07:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2024-10-31 22:07:51,376 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2024-10-31 22:07:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:07:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:07:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:07:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:07:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 22:07:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-10-31 22:07:51,377 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-10-31 22:07:51,378 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-10-31 22:07:51,378 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-10-31 22:07:51,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:07:51,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:07:51,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:07:51,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:07:51,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:07:51,731 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:07:51,734 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:08:01,741 INFO L? ?]: Removed 110 outVars from TransFormulas that were not future-live. [2024-10-31 22:08:01,741 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:08:01,762 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:08:01,763 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-31 22:08:01,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:01 BoogieIcfgContainer [2024-10-31 22:08:01,764 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:08:01,767 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:08:01,767 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:08:01,770 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:08:01,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:07:47" (1/3) ... [2024-10-31 22:08:01,772 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f10ea44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:08:01, skipping insertion in model container [2024-10-31 22:08:01,772 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:50" (2/3) ... [2024-10-31 22:08:01,775 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f10ea44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:08:01, skipping insertion in model container [2024-10-31 22:08:01,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:01" (3/3) ... [2024-10-31 22:08:01,777 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_advance_harness_negated.i [2024-10-31 22:08:01,797 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:08:01,797 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:08:01,880 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:08:01,888 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;@2b829239, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:08:01,889 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:08:01,894 INFO L276 IsEmpty]: Start isEmpty. Operand has 172 states, 105 states have (on average 1.2190476190476192) internal successors, (128), 105 states have internal predecessors, (128), 55 states have call successors, (55), 11 states have call predecessors, (55), 11 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-10-31 22:08:01,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-31 22:08:01,910 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:08:01,911 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 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] [2024-10-31 22:08:01,912 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:08:01,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:01,918 INFO L85 PathProgramCache]: Analyzing trace with hash -613852057, now seen corresponding path program 1 times [2024-10-31 22:08:01,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:01,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647636730] [2024-10-31 22:08:01,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:01,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms