./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_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_reset_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 213a189671075c0c13353e6cef2ff881190dbc59e085aa9fab998a3d426f19f8 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:08:42,458 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:08:42,519 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:08:42,525 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:08:42,525 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:08:42,546 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:08:42,548 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:08:42,548 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:08:42,549 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:08:42,552 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:08:42,552 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:08:42,552 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:08:42,552 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:08:42,552 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:08:42,553 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:08:42,553 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:08:42,553 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:08:42,554 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:08:42,554 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:08:42,554 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:08:42,554 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:08:42,555 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:08:42,555 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:08:42,555 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:08:42,555 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:08:42,555 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:08:42,555 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:08:42,555 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:08:42,555 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:08:42,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:08:42,556 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:08:42,556 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:08:42,556 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:08:42,556 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:08:42,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:08:42,556 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:08:42,557 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:08:42,557 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:08:42,557 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:08:42,557 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 213a189671075c0c13353e6cef2ff881190dbc59e085aa9fab998a3d426f19f8 [2024-11-19 02:08:42,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:08:42,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:08:42,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:08:42,766 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:08:42,766 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:08:42,767 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness_negated.i [2024-11-19 02:08:44,022 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:08:44,351 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:08:44,352 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness_negated.i [2024-11-19 02:08:44,384 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6b18cf4e/eaa66e51d37d4f5e8af4f569a8a4578b/FLAG02e87513a [2024-11-19 02:08:44,572 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6b18cf4e/eaa66e51d37d4f5e8af4f569a8a4578b [2024-11-19 02:08:44,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:08:44,575 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:08:44,576 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:08:44,576 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:08:44,581 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:08:44,581 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:08:44" (1/1) ... [2024-11-19 02:08:44,582 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44dbbf17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:08:44, skipping insertion in model container [2024-11-19 02:08:44,582 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:08:44" (1/1) ... [2024-11-19 02:08:44,668 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:08:44,909 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_reset_harness_negated.i[4492,4505] [2024-11-19 02:08:44,917 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_reset_harness_negated.i[4552,4565] [2024-11-19 02:08:45,525 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:45,525 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:45,525 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:45,526 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:45,530 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:45,545 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:45,548 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:45,549 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:45,549 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:45,972 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:45,973 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:46,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:08:46,087 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:08:46,102 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_reset_harness_negated.i[4492,4505] [2024-11-19 02:08:46,103 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_reset_harness_negated.i[4552,4565] [2024-11-19 02:08:46,136 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:46,138 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:46,139 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:46,140 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:46,140 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:46,144 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:46,147 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:46,148 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:46,148 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:46,283 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2024-11-19 02:08:46,287 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:46,287 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:08:46,297 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2024-11-19 02:08:46,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:08:46,468 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:08:46,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:08:46 WrapperNode [2024-11-19 02:08:46,469 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:08:46,470 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:08:46,470 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:08:46,470 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:08:46,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:08:46" (1/1) ... [2024-11-19 02:08:46,567 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:08:46" (1/1) ... [2024-11-19 02:08:46,635 INFO L138 Inliner]: procedures = 680, calls = 2629, calls flagged for inlining = 59, calls inlined = 7, statements flattened = 822 [2024-11-19 02:08:46,636 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:08:46,638 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:08:46,638 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:08:46,638 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:08:46,647 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:08:46" (1/1) ... [2024-11-19 02:08:46,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:08:46" (1/1) ... [2024-11-19 02:08:46,657 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:08:46" (1/1) ... [2024-11-19 02:08:46,716 INFO L175 MemorySlicer]: Split 542 memory accesses to 6 slices as follows [2, 257, 238, 7, 31, 7]. 47 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 5, 4, 4]. The 494 writes are split as follows [0, 257, 232, 1, 4, 0]. [2024-11-19 02:08:46,717 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:08:46" (1/1) ... [2024-11-19 02:08:46,717 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:08:46" (1/1) ... [2024-11-19 02:08:46,738 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:08:46" (1/1) ... [2024-11-19 02:08:46,741 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:08:46" (1/1) ... [2024-11-19 02:08:46,753 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:08:46" (1/1) ... [2024-11-19 02:08:46,761 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:08:46" (1/1) ... [2024-11-19 02:08:46,776 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:08:46,778 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:08:46,778 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:08:46,778 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:08:46,779 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:08:46" (1/1) ... [2024-11-19 02:08:46,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:08:46,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:08:46,805 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 02:08:46,808 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 02:08:46,841 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-19 02:08:46,843 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-19 02:08:46,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:08:46,843 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:08:46,843 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:08:46,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:08:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:08:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:08:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:08:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:08:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 02:08:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:08:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:08:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:08:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:08:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:08:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 02:08:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:08:46,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:08:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2024-11-19 02:08:46,844 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2024-11-19 02:08:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:08:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:08:46,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:08:46,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:08:46,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:08:46,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:08:46,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:08:46,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 02:08:46,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:08:46,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:08:46,845 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:08:46,845 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:08:46,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:08:46,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:08:46,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:08:46,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:08:46,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:08:46,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 02:08:46,845 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:08:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:08:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:08:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:08:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:08:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:08:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:08:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:08:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 02:08:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:08:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:08:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:08:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:08:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:08:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 02:08:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-19 02:08:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-19 02:08:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure assert_all_bytes_are [2024-11-19 02:08:46,847 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_all_bytes_are [2024-11-19 02:08:46,847 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-19 02:08:46,847 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-19 02:08:46,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:08:46,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:08:46,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:08:46,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:08:46,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:08:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 02:08:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-19 02:08:46,851 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-19 02:08:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-19 02:08:46,851 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-19 02:08:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:08:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:08:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:08:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:08:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:08:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 02:08:47,108 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:08:47,110 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:08:53,989 INFO L? ?]: Removed 72 outVars from TransFormulas that were not future-live. [2024-11-19 02:08:53,990 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:08:54,000 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:08:54,000 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 02:08:54,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:08:54 BoogieIcfgContainer [2024-11-19 02:08:54,001 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:08:54,002 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:08:54,002 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:08:54,004 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:08:54,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:08:44" (1/3) ... [2024-11-19 02:08:54,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70ba185c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:08:54, skipping insertion in model container [2024-11-19 02:08:54,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:08:46" (2/3) ... [2024-11-19 02:08:54,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70ba185c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:08:54, skipping insertion in model container [2024-11-19 02:08:54,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:08:54" (3/3) ... [2024-11-19 02:08:54,007 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reset_harness_negated.i [2024-11-19 02:08:54,019 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:08:54,019 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:08:54,077 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:08:54,085 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;@57f8f8b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:08:54,085 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:08:54,090 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 81 states have internal predecessors, (97), 23 states have call successors, (23), 11 states have call predecessors, (23), 11 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-19 02:08:54,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-19 02:08:54,099 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:08:54,100 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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 02:08:54,100 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:08:54,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:08:54,105 INFO L85 PathProgramCache]: Analyzing trace with hash 153844194, now seen corresponding path program 1 times [2024-11-19 02:08:54,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:08:54,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428700634] [2024-11-19 02:08:54,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:08:54,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:10:07,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:10:08,331 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 02:10:08,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:10:08,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428700634] [2024-11-19 02:10:08,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428700634] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:10:08,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1630055634] [2024-11-19 02:10:08,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:10:08,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:10:08,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:10:08,336 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 02:10:08,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process