./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.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_50c99629-a5dd-481f-9fa5-8d484f61e1f3/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c99629-a5dd-481f-9fa5-8d484f61e1f3/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_50c99629-a5dd-481f-9fa5-8d484f61e1f3/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c99629-a5dd-481f-9fa5-8d484f61e1f3/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c99629-a5dd-481f-9fa5-8d484f61e1f3/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_50c99629-a5dd-481f-9fa5-8d484f61e1f3/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 57a18073b2c44f50c41075cb58c545f11651aa11bf22ee68e7e7b5aa1590e494 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:09:33,812 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:09:33,913 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c99629-a5dd-481f-9fa5-8d484f61e1f3/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:09:33,919 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:09:33,922 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:09:33,944 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:09:33,945 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:09:33,945 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:09:33,946 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:09:33,946 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:09:33,947 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:09:33,947 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:09:33,948 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:09:33,948 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:09:33,949 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:09:33,949 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:09:33,950 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:09:33,950 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:09:33,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:09:33,953 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:09:33,954 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:09:33,954 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:09:33,955 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:09:33,955 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:09:33,955 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:09:33,956 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:09:33,956 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:09:33,956 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:09:33,957 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:09:33,957 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:09:33,957 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:09:33,962 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:09:33,962 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:09:33,962 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:09:33,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:09:33,963 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:09:33,963 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:09:33,963 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:09:33,963 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:09:33,963 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_50c99629-a5dd-481f-9fa5-8d484f61e1f3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c99629-a5dd-481f-9fa5-8d484f61e1f3/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57a18073b2c44f50c41075cb58c545f11651aa11bf22ee68e7e7b5aa1590e494 [2024-10-31 22:09:34,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:09:34,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:09:34,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:09:34,292 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:09:34,293 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:09:34,294 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c99629-a5dd-481f-9fa5-8d484f61e1f3/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i Unable to find full path for "g++" [2024-10-31 22:09:36,306 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:09:36,870 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:09:36,870 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c99629-a5dd-481f-9fa5-8d484f61e1f3/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i [2024-10-31 22:09:36,915 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c99629-a5dd-481f-9fa5-8d484f61e1f3/bin/uautomizer-verify-4GaUIPS5ZU/data/9273e4fb6/1f1a1343b2f941ecb60e4221248169b3/FLAG244112c8f [2024-10-31 22:09:36,938 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c99629-a5dd-481f-9fa5-8d484f61e1f3/bin/uautomizer-verify-4GaUIPS5ZU/data/9273e4fb6/1f1a1343b2f941ecb60e4221248169b3 [2024-10-31 22:09:36,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:09:36,944 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:09:36,946 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:09:36,947 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:09:36,953 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:09:36,954 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:09:36" (1/1) ... [2024-10-31 22:09:36,957 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@770673b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:36, skipping insertion in model container [2024-10-31 22:09:36,957 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:09:36" (1/1) ... [2024-10-31 22:09:37,088 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:09:37,437 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_50c99629-a5dd-481f-9fa5-8d484f61e1f3/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i[4497,4510] [2024-10-31 22:09:37,447 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_50c99629-a5dd-481f-9fa5-8d484f61e1f3/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i[4557,4570] [2024-10-31 22:09:38,575 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:38,576 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:38,577 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:38,578 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:38,579 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:38,596 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:38,597 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:38,600 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:38,601 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:39,630 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:39,630 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:39,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:09:39,879 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:09:39,897 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_50c99629-a5dd-481f-9fa5-8d484f61e1f3/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i[4497,4510] [2024-10-31 22:09:39,897 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_50c99629-a5dd-481f-9fa5-8d484f61e1f3/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i[4557,4570] [2024-10-31 22:09:39,964 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:39,968 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:39,968 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:39,969 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:39,970 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:39,982 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:39,986 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:39,987 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:39,987 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:40,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2024-10-31 22:09:40,191 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:40,192 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:40,208 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2024-10-31 22:09:40,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:09:40,507 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:09:40,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:40 WrapperNode [2024-10-31 22:09:40,508 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:09:40,509 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:09:40,509 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:09:40,509 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:09:40,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:40" (1/1) ... [2024-10-31 22:09:40,631 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:40" (1/1) ... [2024-10-31 22:09:40,741 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 11, statements flattened = 882 [2024-10-31 22:09:40,742 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:09:40,743 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:09:40,744 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:09:40,744 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:09:40,758 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:40" (1/1) ... [2024-10-31 22:09:40,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:40" (1/1) ... [2024-10-31 22:09:40,770 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:40" (1/1) ... [2024-10-31 22:09:40,852 INFO L175 MemorySlicer]: Split 562 memory accesses to 7 slices as follows [2, 257, 6, 238, 4, 47, 8]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 0, 6, 0, 8, 5]. The 497 writes are split as follows [0, 257, 2, 232, 2, 3, 1]. [2024-10-31 22:09:40,853 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:40" (1/1) ... [2024-10-31 22:09:40,853 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:40" (1/1) ... [2024-10-31 22:09:40,894 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:40" (1/1) ... [2024-10-31 22:09:40,898 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:40" (1/1) ... [2024-10-31 22:09:40,907 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:40" (1/1) ... [2024-10-31 22:09:40,912 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:40" (1/1) ... [2024-10-31 22:09:40,923 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:09:40,924 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:09:40,924 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:09:40,925 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:09:40,925 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:40" (1/1) ... [2024-10-31 22:09:40,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:09:40,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c99629-a5dd-481f-9fa5-8d484f61e1f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:09:40,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c99629-a5dd-481f-9fa5-8d484f61e1f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:09:40,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c99629-a5dd-481f-9fa5-8d484f61e1f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:09:41,006 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-10-31 22:09:41,006 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-10-31 22:09:41,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:09:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-31 22:09:41,007 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-31 22:09:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:09:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:09:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:09:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:09:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 22:09:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-31 22:09:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-31 22:09:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:09:41,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:09:41,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:09:41,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:09:41,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:09:41,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 22:09:41,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-31 22:09:41,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 22:09:41,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 22:09:41,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:09:41,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:09:41,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:09:41,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:09:41,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:09:41,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:09:41,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 22:09:41,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-31 22:09:41,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-31 22:09:41,012 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-10-31 22:09:41,012 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-10-31 22:09:41,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:09:41,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:09:41,012 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-31 22:09:41,013 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-31 22:09:41,013 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-10-31 22:09:41,013 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-10-31 22:09:41,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 22:09:41,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 22:09:41,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 22:09:41,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 22:09:41,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 22:09:41,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-31 22:09:41,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-31 22:09:41,014 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:09:41,015 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:09:41,015 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-10-31 22:09:41,015 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-10-31 22:09:41,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:09:41,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:09:41,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:09:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:09:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 22:09:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 22:09:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-31 22:09:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-31 22:09:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-10-31 22:09:41,017 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-10-31 22:09:41,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 22:09:41,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 22:09:41,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 22:09:41,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 22:09:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 22:09:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-31 22:09:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-31 22:09:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-31 22:09:41,018 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-31 22:09:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:09:41,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:09:41,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:09:41,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:09:41,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 22:09:41,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 22:09:41,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-31 22:09:41,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:09:41,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:09:41,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:09:41,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:09:41,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:09:41,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 22:09:41,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-31 22:09:41,430 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:09:41,433 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:09:51,884 INFO L? ?]: Removed 107 outVars from TransFormulas that were not future-live. [2024-10-31 22:09:51,884 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:09:51,903 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:09:51,904 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:09:51,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:09:51 BoogieIcfgContainer [2024-10-31 22:09:51,904 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:09:51,909 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:09:51,909 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:09:51,912 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:09:51,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:09:36" (1/3) ... [2024-10-31 22:09:51,913 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@652a807d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:09:51, skipping insertion in model container [2024-10-31 22:09:51,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:40" (2/3) ... [2024-10-31 22:09:51,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@652a807d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:09:51, skipping insertion in model container [2024-10-31 22:09:51,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:09:51" (3/3) ... [2024-10-31 22:09:51,917 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be16_harness_negated.i [2024-10-31 22:09:51,937 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:09:51,937 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:09:52,014 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:09:52,021 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;@f9e944e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:09:52,022 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:09:52,026 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 87 states have (on average 1.2298850574712643) internal successors, (107), 88 states have internal predecessors, (107), 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) [2024-10-31 22:09:52,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-31 22:09:52,044 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:09:52,045 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:09:52,045 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:09:52,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:52,052 INFO L85 PathProgramCache]: Analyzing trace with hash 632268755, now seen corresponding path program 1 times [2024-10-31 22:09:52,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:52,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633788803] [2024-10-31 22:09:52,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:52,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms