./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_u8_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fbd83f7e524270f26b355be3b6fdf116e3fc11da746439b12c865fa2fec80a91 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:11:18,297 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:11:18,365 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:11:18,369 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:11:18,370 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:11:18,401 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:11:18,402 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:11:18,404 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:11:18,405 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:11:18,406 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:11:18,407 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:11:18,407 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:11:18,407 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:11:18,408 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:11:18,410 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:11:18,410 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:11:18,410 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:11:18,411 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:11:18,411 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:11:18,411 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:11:18,411 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:11:18,415 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:11:18,415 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:11:18,416 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:11:18,416 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:11:18,416 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:11:18,416 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:11:18,417 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:11:18,417 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:11:18,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:11:18,417 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:11:18,418 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:11:18,418 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:11:18,418 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:11:18,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:11:18,418 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:11:18,419 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:11:18,419 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:11:18,419 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:11:18,420 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fbd83f7e524270f26b355be3b6fdf116e3fc11da746439b12c865fa2fec80a91 [2024-11-19 02:11:18,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:11:18,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:11:18,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:11:18,691 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:11:18,692 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:11:18,693 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness_negated.i [2024-11-19 02:11:20,171 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:11:20,623 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:11:20,623 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness_negated.i [2024-11-19 02:11:20,660 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad80eb715/d52735017c0c406d8a7a358c36e27722/FLAG283d1ceff [2024-11-19 02:11:20,680 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad80eb715/d52735017c0c406d8a7a358c36e27722 [2024-11-19 02:11:20,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:11:20,685 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:11:20,688 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:11:20,688 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:11:20,694 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:11:20,695 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:11:20" (1/1) ... [2024-11-19 02:11:20,696 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76bb66b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:20, skipping insertion in model container [2024-11-19 02:11:20,696 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:11:20" (1/1) ... [2024-11-19 02:11:20,831 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:11:21,119 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness_negated.i[4495,4508] [2024-11-19 02:11:21,128 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness_negated.i[4555,4568] [2024-11-19 02:11:21,811 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:21,812 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:21,812 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:21,813 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:21,814 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:21,831 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:21,832 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:21,833 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:21,834 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:22,385 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:22,386 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:22,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:11:22,531 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:11:22,548 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness_negated.i[4495,4508] [2024-11-19 02:11:22,553 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness_negated.i[4555,4568] [2024-11-19 02:11:22,590 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:22,590 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:22,590 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:22,591 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:22,591 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:22,600 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:22,601 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:22,602 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:22,602 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:22,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2024-11-19 02:11:22,732 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:22,732 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:22,743 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2024-11-19 02:11:22,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:11:23,113 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:11:23,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:23 WrapperNode [2024-11-19 02:11:23,114 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:11:23,115 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:11:23,115 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:11:23,115 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:11:23,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:23" (1/1) ... [2024-11-19 02:11:23,211 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:23" (1/1) ... [2024-11-19 02:11:23,300 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 871 [2024-11-19 02:11:23,300 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:11:23,301 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:11:23,301 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:11:23,301 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:11:23,313 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:23" (1/1) ... [2024-11-19 02:11:23,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:23" (1/1) ... [2024-11-19 02:11:23,326 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:23" (1/1) ... [2024-11-19 02:11:23,437 INFO L175 MemorySlicer]: Split 560 memory accesses to 7 slices as follows [8, 2, 257, 47, 238, 6, 2]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [5, 2, 0, 8, 6, 0, 0]. The 496 writes are split as follows [1, 0, 257, 3, 232, 2, 1]. [2024-11-19 02:11:23,440 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:23" (1/1) ... [2024-11-19 02:11:23,440 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:23" (1/1) ... [2024-11-19 02:11:23,490 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:23" (1/1) ... [2024-11-19 02:11:23,499 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:23" (1/1) ... [2024-11-19 02:11:23,513 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:23" (1/1) ... [2024-11-19 02:11:23,524 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:23" (1/1) ... [2024-11-19 02:11:23,539 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:11:23,540 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:11:23,540 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:11:23,540 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:11:23,541 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:23" (1/1) ... [2024-11-19 02:11:23,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:11:23,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:11:23,575 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 02:11:23,577 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 02:11:23,619 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-19 02:11:23,621 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-19 02:11:23,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:11:23,622 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:11:23,622 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:11:23,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:11:23,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:11:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:11:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:11:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:11:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 02:11:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 02:11:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:11:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:11:23,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:11:23,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:11:23,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:11:23,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 02:11:23,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 02:11:23,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:11:23,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:11:23,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:11:23,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:11:23,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:11:23,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:11:23,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:11:23,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:11:23,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:11:23,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 02:11:23,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 02:11:23,625 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-19 02:11:23,626 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-19 02:11:23,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:11:23,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:11:23,626 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:11:23,626 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:11:23,626 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-19 02:11:23,627 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-19 02:11:23,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:11:23,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:11:23,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:11:23,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:11:23,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:11:23,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 02:11:23,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 02:11:23,628 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:11:23,628 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:11:23,628 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-19 02:11:23,628 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-19 02:11:23,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:11:23,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:11:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:11:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:11:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:11:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:11:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 02:11:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 02:11:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-19 02:11:23,630 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-19 02:11:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:11:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:11:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:11:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:11:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:11:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 02:11:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 02:11:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-19 02:11:23,631 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-19 02:11:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:11:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:11:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:11:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:11:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:11:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 02:11:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 02:11:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:11:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:11:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:11:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:11:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:11:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 02:11:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 02:11:23,948 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:11:23,951 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:11:32,577 INFO L? ?]: Removed 103 outVars from TransFormulas that were not future-live. [2024-11-19 02:11:32,577 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:11:32,595 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:11:32,596 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 02:11:32,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:11:32 BoogieIcfgContainer [2024-11-19 02:11:32,596 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:11:32,598 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:11:32,599 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:11:32,602 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:11:32,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:11:20" (1/3) ... [2024-11-19 02:11:32,602 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56de4c22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:11:32, skipping insertion in model container [2024-11-19 02:11:32,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:23" (2/3) ... [2024-11-19 02:11:32,603 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56de4c22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:11:32, skipping insertion in model container [2024-11-19 02:11:32,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:11:32" (3/3) ... [2024-11-19 02:11:32,605 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_u8_harness_negated.i [2024-11-19 02:11:32,620 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:11:32,621 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:11:32,683 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:11:32,689 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;@64bb4cdf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:11:32,690 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:11:32,694 INFO L276 IsEmpty]: Start isEmpty. Operand has 132 states, 86 states have (on average 1.2325581395348837) internal successors, (106), 87 states have internal predecessors, (106), 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 02:11:32,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-19 02:11:32,707 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:11:32,708 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] [2024-11-19 02:11:32,709 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:11:32,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:11:32,714 INFO L85 PathProgramCache]: Analyzing trace with hash -276254992, now seen corresponding path program 1 times [2024-11-19 02:11:32,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:11:32,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392850048] [2024-11-19 02:11:32,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:11:32,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:12:44,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:12:45,098 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 02:12:45,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:12:45,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392850048] [2024-11-19 02:12:45,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392850048] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:12:45,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880956706] [2024-11-19 02:12:45,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:12:45,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:12:45,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:12:45,105 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 02:12:45,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process