./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 c7c6ca5d 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-?-c7c6ca5-m [2024-11-09 03:07:02,213 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:07:02,309 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:07:02,315 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:07:02,317 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:07:02,350 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:07:02,352 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:07:02,352 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:07:02,353 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:07:02,354 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:07:02,354 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:07:02,355 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:07:02,356 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:07:02,356 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:07:02,358 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:07:02,358 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:07:02,358 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:07:02,359 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:07:02,359 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:07:02,362 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:07:02,362 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:07:02,362 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:07:02,363 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:07:02,363 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:07:02,363 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:07:02,363 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:07:02,363 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:07:02,364 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:07:02,364 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:07:02,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:07:02,364 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:07:02,364 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:07:02,364 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:07:02,365 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:07:02,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:07:02,365 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:07:02,365 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:07:02,365 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:07:02,366 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:07:02,366 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fbd83f7e524270f26b355be3b6fdf116e3fc11da746439b12c865fa2fec80a91 [2024-11-09 03:07:02,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:07:02,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:07:02,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:07:02,665 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:07:02,666 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:07:02,667 INFO L431 ainManager$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 [2024-11-09 03:07:04,157 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:07:04,641 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:07:04,642 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness_negated.i [2024-11-09 03:07:04,684 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/959cc439f/615f7b55951848c991ee05a4e9b576ef/FLAG893af963f [2024-11-09 03:07:04,700 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/959cc439f/615f7b55951848c991ee05a4e9b576ef [2024-11-09 03:07:04,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:07:04,705 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:07:04,707 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:07:04,707 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:07:04,712 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:07:04,713 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:07:04" (1/1) ... [2024-11-09 03:07:04,714 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29e9ea39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:04, skipping insertion in model container [2024-11-09 03:07:04,715 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:07:04" (1/1) ... [2024-11-09 03:07:04,862 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:07:05,178 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] [2024-11-09 03:07:05,190 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] [2024-11-09 03:07:05,858 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:05,860 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:05,860 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:05,861 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:05,862 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:05,876 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:05,881 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:05,883 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:05,885 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:06,479 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:06,480 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:06,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:07:06,602 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:07:06,624 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] [2024-11-09 03:07:06,624 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] [2024-11-09 03:07:06,670 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:06,672 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:06,675 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:06,676 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:06,676 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:06,681 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:06,685 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:06,687 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:06,690 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:06,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2024-11-09 03:07:06,950 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:06,951 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:06,968 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2024-11-09 03:07:06,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:07:07,224 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:07:07,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:07 WrapperNode [2024-11-09 03:07:07,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:07:07,226 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:07:07,226 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:07:07,226 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:07:07,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:07" (1/1) ... [2024-11-09 03:07:07,348 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:07" (1/1) ... [2024-11-09 03:07:07,442 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 871 [2024-11-09 03:07:07,445 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:07:07,446 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:07:07,446 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:07:07,446 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:07:07,459 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:07" (1/1) ... [2024-11-09 03:07:07,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:07" (1/1) ... [2024-11-09 03:07:07,471 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:07" (1/1) ... [2024-11-09 03:07:07,552 INFO L175 MemorySlicer]: Split 560 memory accesses to 7 slices as follows [2, 257, 2, 238, 6, 8, 47]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 0, 6, 0, 5, 8]. The 496 writes are split as follows [0, 257, 1, 232, 2, 1, 3]. [2024-11-09 03:07:07,556 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:07" (1/1) ... [2024-11-09 03:07:07,556 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:07" (1/1) ... [2024-11-09 03:07:07,598 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:07" (1/1) ... [2024-11-09 03:07:07,605 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:07" (1/1) ... [2024-11-09 03:07:07,617 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:07" (1/1) ... [2024-11-09 03:07:07,624 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:07" (1/1) ... [2024-11-09 03:07:07,635 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:07:07,636 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:07:07,637 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:07:07,637 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:07:07,638 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:07" (1/1) ... [2024-11-09 03:07:07,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:07:07,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:07:07,728 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) [2024-11-09 03:07:07,731 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 [2024-11-09 03:07:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-09 03:07:07,780 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-09 03:07:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:07:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:07:07,780 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:07:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:07:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:07:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:07:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:07:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:07:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 03:07:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-09 03:07:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:07:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:07:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:07:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:07:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:07:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 03:07:07,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-09 03:07:07,782 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:07:07,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:07:07,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:07:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:07:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:07:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:07:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:07:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:07:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:07:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 03:07:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-09 03:07:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-09 03:07:07,786 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-09 03:07:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:07:07,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:07:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:07:07,786 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:07:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-09 03:07:07,787 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-09 03:07:07,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:07:07,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:07:07,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:07:07,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:07:07,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:07:07,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 03:07:07,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-09 03:07:07,789 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:07:07,789 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:07:07,789 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-09 03:07:07,789 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-09 03:07:07,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:07:07,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:07:07,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:07:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:07:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:07:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:07:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 03:07:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-09 03:07:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-09 03:07:07,790 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-09 03:07:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:07:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:07:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:07:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:07:07,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:07:07,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 03:07:07,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-09 03:07:07,791 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:07:07,791 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:07:07,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:07:07,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:07:07,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:07:07,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:07:07,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:07:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 03:07:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-09 03:07:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:07:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:07:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:07:07,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:07:07,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:07:07,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 03:07:07,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 03:07:08,116 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:07:08,118 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:07:17,097 INFO L? ?]: Removed 103 outVars from TransFormulas that were not future-live. [2024-11-09 03:07:17,098 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:07:17,114 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:07:17,114 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 03:07:17,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:07:17 BoogieIcfgContainer [2024-11-09 03:07:17,115 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:07:17,119 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:07:17,119 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:07:17,122 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:07:17,122 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:07:04" (1/3) ... [2024-11-09 03:07:17,123 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13acbe11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:07:17, skipping insertion in model container [2024-11-09 03:07:17,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:07" (2/3) ... [2024-11-09 03:07:17,123 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13acbe11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:07:17, skipping insertion in model container [2024-11-09 03:07:17,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:07:17" (3/3) ... [2024-11-09 03:07:17,125 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_u8_harness_negated.i [2024-11-09 03:07:17,141 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:07:17,141 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:07:17,217 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:07:17,224 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;@1770bee5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:07:17,225 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:07:17,230 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) [2024-11-09 03:07:17,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-09 03:07:17,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:07:17,245 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] [2024-11-09 03:07:17,245 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:07:17,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:07:17,252 INFO L85 PathProgramCache]: Analyzing trace with hash -276254992, now seen corresponding path program 1 times [2024-11-09 03:07:17,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:07:17,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140158085] [2024-11-09 03:07:17,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:07:17,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:08:34,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:08:35,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 03:08:35,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:08:35,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 03:08:35,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:08:35,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 03:08:35,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:08:35,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:08:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:08:35,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 03:08:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:08:35,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 03:08:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:08:35,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 03:08:35,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:08:35,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 03:08:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:08:35,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 03:08:35,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:08:35,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 03:08:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:08:35,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 03:08:35,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:08:35,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-09 03:08:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:08:35,822 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-09 03:08:35,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:08:35,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140158085] [2024-11-09 03:08:35,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140158085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:08:35,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:08:35,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 03:08:35,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085555632] [2024-11-09 03:08:35,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:08:35,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 03:08:35,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:08:35,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 03:08:35,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 03:08:35,865 INFO L87 Difference]: Start difference. First 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) Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 03:08:40,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []