./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 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 57a18073b2c44f50c41075cb58c545f11651aa11bf22ee68e7e7b5aa1590e494 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:09:28,913 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:09:28,983 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:09:28,988 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:09:28,990 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:09:29,012 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:09:29,013 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:09:29,013 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:09:29,014 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:09:29,017 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:09:29,017 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:09:29,017 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:09:29,017 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:09:29,018 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:09:29,018 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:09:29,018 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:09:29,018 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:09:29,018 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:09:29,018 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:09:29,018 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:09:29,019 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:09:29,021 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:09:29,021 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:09:29,021 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:09:29,021 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:09:29,021 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:09:29,022 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:09:29,022 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:09:29,022 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:09:29,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:09:29,022 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:09:29,023 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:09:29,023 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:09:29,023 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:09:29,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:09:29,024 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:09:29,024 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:09:29,024 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:09:29,024 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:09:29,024 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57a18073b2c44f50c41075cb58c545f11651aa11bf22ee68e7e7b5aa1590e494 [2024-11-19 02:09:29,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:09:29,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:09:29,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:09:29,241 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:09:29,242 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:09:29,243 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i [2024-11-19 02:09:30,459 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:09:30,819 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:09:30,820 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i [2024-11-19 02:09:30,853 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f56938ac/9bdd44be854f439a9defd83f66e2b9ca/FLAGd1ea3141f [2024-11-19 02:09:30,872 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f56938ac/9bdd44be854f439a9defd83f66e2b9ca [2024-11-19 02:09:30,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:09:30,876 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:09:30,877 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:09:30,878 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:09:30,882 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:09:30,883 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:09:30" (1/1) ... [2024-11-19 02:09:30,884 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21596b83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:09:30, skipping insertion in model container [2024-11-19 02:09:30,884 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:09:30" (1/1) ... [2024-11-19 02:09:30,995 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:09:31,224 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i[4497,4510] [2024-11-19 02:09:31,232 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i[4557,4570] [2024-11-19 02:09:31,814 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:31,815 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:31,815 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:31,816 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:31,821 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:31,833 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:31,833 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:31,834 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:31,835 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:32,288 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:32,289 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:32,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:09:32,494 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:09:32,510 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i[4497,4510] [2024-11-19 02:09:32,510 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i[4557,4570] [2024-11-19 02:09:32,548 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:32,549 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:32,550 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:32,550 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:32,551 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:32,555 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:32,555 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:32,556 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:32,556 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:32,654 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2024-11-19 02:09:32,655 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:32,656 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:32,667 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2024-11-19 02:09:32,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:09:32,896 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:09:32,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:09:32 WrapperNode [2024-11-19 02:09:32,897 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:09:32,898 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:09:32,898 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:09:32,898 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:09:32,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:09:32" (1/1) ... [2024-11-19 02:09:32,993 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:09:32" (1/1) ... [2024-11-19 02:09:33,063 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 11, statements flattened = 882 [2024-11-19 02:09:33,063 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:09:33,064 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:09:33,064 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:09:33,064 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:09:33,074 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:09:32" (1/1) ... [2024-11-19 02:09:33,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:09:32" (1/1) ... [2024-11-19 02:09:33,082 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:09:32" (1/1) ... [2024-11-19 02:09:33,139 INFO L175 MemorySlicer]: Split 562 memory accesses to 7 slices as follows [2, 47, 257, 238, 8, 6, 4]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 8, 0, 6, 5, 0, 0]. The 497 writes are split as follows [0, 3, 257, 232, 1, 2, 2]. [2024-11-19 02:09:33,140 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:09:32" (1/1) ... [2024-11-19 02:09:33,140 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:09:32" (1/1) ... [2024-11-19 02:09:33,181 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:09:32" (1/1) ... [2024-11-19 02:09:33,188 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:09:32" (1/1) ... [2024-11-19 02:09:33,206 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:09:32" (1/1) ... [2024-11-19 02:09:33,212 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:09:32" (1/1) ... [2024-11-19 02:09:33,227 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:09:33,229 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:09:33,229 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:09:33,229 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:09:33,231 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:09:32" (1/1) ... [2024-11-19 02:09:33,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:09:33,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:09:33,268 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 02:09:33,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 02:09:33,311 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-19 02:09:33,312 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-19 02:09:33,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:09:33,312 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:09:33,312 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:09:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:09:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:09:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:09:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:09:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:09:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 02:09:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 02:09:33,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:09:33,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:09:33,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:09:33,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:09:33,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:09:33,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 02:09:33,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 02:09:33,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:09:33,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:09:33,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:09:33,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:09:33,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:09:33,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:09:33,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:09:33,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:09:33,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:09:33,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 02:09:33,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 02:09:33,316 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-19 02:09:33,316 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-19 02:09:33,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:09:33,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:09:33,316 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:09:33,316 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:09:33,316 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-19 02:09:33,316 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-19 02:09:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:09:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:09:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:09:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:09:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:09:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 02:09:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 02:09:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:09:33,318 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:09:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-19 02:09:33,318 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-19 02:09:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:09:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:09:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:09:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:09:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:09:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:09:33,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 02:09:33,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 02:09:33,319 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-19 02:09:33,319 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-19 02:09:33,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:09:33,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:09:33,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:09:33,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:09:33,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:09:33,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 02:09:33,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 02:09:33,320 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-19 02:09:33,320 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-19 02:09:33,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:09:33,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:09:33,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:09:33,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:09:33,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:09:33,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 02:09:33,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 02:09:33,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:09:33,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:09:33,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:09:33,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:09:33,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:09:33,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 02:09:33,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 02:09:33,604 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:09:33,606 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:09:41,201 INFO L? ?]: Removed 107 outVars from TransFormulas that were not future-live. [2024-11-19 02:09:41,202 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:09:41,213 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:09:41,213 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 02:09:41,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:09:41 BoogieIcfgContainer [2024-11-19 02:09:41,214 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:09:41,215 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:09:41,216 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:09:41,218 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:09:41,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:09:30" (1/3) ... [2024-11-19 02:09:41,219 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@390bdee3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:09:41, skipping insertion in model container [2024-11-19 02:09:41,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:09:32" (2/3) ... [2024-11-19 02:09:41,219 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@390bdee3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:09:41, skipping insertion in model container [2024-11-19 02:09:41,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:09:41" (3/3) ... [2024-11-19 02:09:41,220 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be16_harness_negated.i [2024-11-19 02:09:41,234 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:09:41,234 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:09:41,290 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:09:41,298 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;@5655aae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:09:41,299 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:09:41,303 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) [2024-11-19 02:09:41,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-19 02:09:41,315 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:09:41,317 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] [2024-11-19 02:09:41,317 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:09:41,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:09:41,322 INFO L85 PathProgramCache]: Analyzing trace with hash 632268755, now seen corresponding path program 1 times [2024-11-19 02:09:41,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:09:41,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854662585] [2024-11-19 02:09:41,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:09:41,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:10:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:10:56,641 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-19 02:10:56,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:10:56,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854662585] [2024-11-19 02:10:56,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854662585] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:10:56,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1976232676] [2024-11-19 02:10:56,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:10:56,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:10:56,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:10:56,644 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 02:10:56,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process