./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_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_append_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 689a562e38ace49351de33b47cbcb3c6d5f59acf10f911a7928d5d2dec3921f0 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:04:29,823 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:04:29,895 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:04:29,905 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:04:29,905 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:04:29,936 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:04:29,937 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:04:29,937 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:04:29,938 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:04:29,939 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:04:29,939 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:04:29,939 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:04:29,940 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:04:29,943 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:04:29,943 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:04:29,943 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:04:29,944 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:04:29,944 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:04:29,944 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:04:29,944 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:04:29,945 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:04:29,948 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:04:29,949 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:04:29,949 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:04:29,949 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:04:29,949 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:04:29,950 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:04:29,950 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:04:29,950 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:04:29,950 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:04:29,951 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:04:29,951 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:04:29,959 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:04:29,959 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:04:29,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:04:29,960 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:04:29,960 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:04:29,960 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:04:29,961 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:04:29,961 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 689a562e38ace49351de33b47cbcb3c6d5f59acf10f911a7928d5d2dec3921f0 [2024-11-19 02:04:30,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:04:30,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:04:30,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:04:30,258 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:04:30,258 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:04:30,259 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness_negated.i [2024-11-19 02:04:31,768 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:04:32,250 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:04:32,253 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness_negated.i [2024-11-19 02:04:32,298 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f091d3516/d4985847b5274bfb82882ddbad2fe9a9/FLAG9e8cb288f [2024-11-19 02:04:32,365 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f091d3516/d4985847b5274bfb82882ddbad2fe9a9 [2024-11-19 02:04:32,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:04:32,371 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:04:32,373 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:04:32,375 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:04:32,381 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:04:32,381 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:04:32" (1/1) ... [2024-11-19 02:04:32,382 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33c96078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:32, skipping insertion in model container [2024-11-19 02:04:32,383 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:04:32" (1/1) ... [2024-11-19 02:04:32,474 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:04:32,781 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_append_harness_negated.i[4493,4506] [2024-11-19 02:04:32,791 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_append_harness_negated.i[4553,4566] [2024-11-19 02:04:33,765 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:33,766 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:33,768 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:33,769 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:33,770 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:33,793 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:33,794 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:33,799 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:33,801 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:34,394 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:34,395 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:34,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:04:34,535 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:04:34,551 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_append_harness_negated.i[4493,4506] [2024-11-19 02:04:34,551 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_append_harness_negated.i[4553,4566] [2024-11-19 02:04:34,599 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:34,600 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:34,600 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:34,601 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:34,602 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:34,609 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:34,610 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:34,614 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:34,615 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:34,730 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2024-11-19 02:04:34,733 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:34,733 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:04:34,746 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2024-11-19 02:04:34,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:04:35,033 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:04:35,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:35 WrapperNode [2024-11-19 02:04:35,033 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:04:35,035 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:04:35,035 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:04:35,035 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:04:35,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:35" (1/1) ... [2024-11-19 02:04:35,156 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:35" (1/1) ... [2024-11-19 02:04:35,243 INFO L138 Inliner]: procedures = 680, calls = 2643, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 869 [2024-11-19 02:04:35,245 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:04:35,246 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:04:35,247 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:04:35,247 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:04:35,257 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:35" (1/1) ... [2024-11-19 02:04:35,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:35" (1/1) ... [2024-11-19 02:04:35,269 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:35" (1/1) ... [2024-11-19 02:04:35,356 INFO L175 MemorySlicer]: Split 574 memory accesses to 8 slices as follows [9, 257, 2, 238, 4, 9, 22, 33]. 45 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [5, 0, 2, 6, 2, 4, 2, 4]. The 494 writes are split as follows [1, 257, 0, 232, 0, 0, 1, 3]. [2024-11-19 02:04:35,356 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:35" (1/1) ... [2024-11-19 02:04:35,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:35" (1/1) ... [2024-11-19 02:04:35,389 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:35" (1/1) ... [2024-11-19 02:04:35,393 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:35" (1/1) ... [2024-11-19 02:04:35,407 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:35" (1/1) ... [2024-11-19 02:04:35,413 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:35" (1/1) ... [2024-11-19 02:04:35,436 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:04:35,437 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:04:35,437 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:04:35,437 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:04:35,438 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:35" (1/1) ... [2024-11-19 02:04:35,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:04:35,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:04:35,474 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 02:04:35,477 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 02:04:35,521 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-19 02:04:35,522 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-19 02:04:35,523 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-19 02:04:35,523 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-19 02:04:35,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:04:35,523 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:04:35,523 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:04:35,524 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_append [2024-11-19 02:04:35,524 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_append [2024-11-19 02:04:35,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:04:35,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:04:35,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:04:35,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:04:35,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:04:35,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 02:04:35,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 02:04:35,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-19 02:04:35,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:04:35,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:04:35,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:04:35,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:04:35,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:04:35,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 02:04:35,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 02:04:35,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 02:04:35,526 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-19 02:04:35,527 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-19 02:04:35,527 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:04:35,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:04:35,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:04:35,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:04:35,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:04:35,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:04:35,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:04:35,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:04:35,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:04:35,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 02:04:35,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 02:04:35,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 02:04:35,529 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-19 02:04:35,529 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-19 02:04:35,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:04:35,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:04:35,530 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:04:35,530 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:04:35,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:04:35,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:04:35,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:04:35,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:04:35,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:04:35,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 02:04:35,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 02:04:35,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-19 02:04:35,531 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:04:35,531 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:04:35,531 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-19 02:04:35,531 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-19 02:04:35,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:04:35,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:04:35,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:04:35,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:04:35,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:04:35,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:04:35,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 02:04:35,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 02:04:35,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 02:04:35,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:04:35,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:04:35,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:04:35,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:04:35,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:04:35,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 02:04:35,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 02:04:35,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-19 02:04:35,532 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-19 02:04:35,534 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-19 02:04:35,534 INFO L130 BoogieDeclarations]: Found specification of procedure assert_bytes_match [2024-11-19 02:04:35,534 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_bytes_match [2024-11-19 02:04:35,534 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-19 02:04:35,534 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-19 02:04:35,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:04:35,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:04:35,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:04:35,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:04:35,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:04:35,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 02:04:35,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 02:04:35,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 02:04:35,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:04:35,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:04:35,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:04:35,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:04:35,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:04:35,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 02:04:35,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 02:04:35,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 02:04:35,890 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:04:35,893 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:04:44,402 INFO L? ?]: Removed 97 outVars from TransFormulas that were not future-live. [2024-11-19 02:04:44,402 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:04:44,424 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:04:44,425 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 02:04:44,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:04:44 BoogieIcfgContainer [2024-11-19 02:04:44,425 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:04:44,428 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:04:44,428 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:04:44,431 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:04:44,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:04:32" (1/3) ... [2024-11-19 02:04:44,432 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7640d11c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:04:44, skipping insertion in model container [2024-11-19 02:04:44,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:04:35" (2/3) ... [2024-11-19 02:04:44,433 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7640d11c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:04:44, skipping insertion in model container [2024-11-19 02:04:44,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:04:44" (3/3) ... [2024-11-19 02:04:44,436 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_append_harness_negated.i [2024-11-19 02:04:44,454 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:04:44,454 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:04:44,533 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:04:44,539 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;@deb7ac3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:04:44,539 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:04:44,544 INFO L276 IsEmpty]: Start isEmpty. Operand has 170 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 108 states have internal predecessors, (130), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-19 02:04:44,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-19 02:04:44,560 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:04:44,561 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:04:44,562 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:04:44,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:04:44,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1551601725, now seen corresponding path program 1 times [2024-11-19 02:04:44,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:04:44,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192544974] [2024-11-19 02:04:44,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:04:44,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:06:05,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:06:05,989 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-19 02:06:05,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:06:05,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192544974] [2024-11-19 02:06:05,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192544974] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:06:05,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1467839384] [2024-11-19 02:06:05,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:06:05,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:06:05,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:06:05,993 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 02:06:05,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process