./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d 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_init_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 b821af0ce38cd94d2546ea5f369017836976e947e239c53cd008b4ecf58cc800 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 19:47:11,414 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 19:47:11,483 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 19:47:11,499 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 19:47:11,500 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 19:47:11,526 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 19:47:11,528 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 19:47:11,528 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 19:47:11,529 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 19:47:11,530 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 19:47:11,531 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 19:47:11,532 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 19:47:11,532 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 19:47:11,532 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 19:47:11,533 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 19:47:11,533 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 19:47:11,534 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 19:47:11,534 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 19:47:11,534 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 19:47:11,534 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 19:47:11,535 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 19:47:11,538 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 19:47:11,538 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 19:47:11,539 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 19:47:11,539 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 19:47:11,539 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 19:47:11,539 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 19:47:11,540 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 19:47:11,540 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 19:47:11,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:47:11,540 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 19:47:11,540 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 19:47:11,541 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 19:47:11,541 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 19:47:11,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 19:47:11,541 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 19:47:11,541 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 19:47:11,542 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 19:47:11,542 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 19:47:11,544 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b821af0ce38cd94d2546ea5f369017836976e947e239c53cd008b4ecf58cc800 [2024-11-16 19:47:11,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 19:47:11,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 19:47:11,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 19:47:11,817 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 19:47:11,817 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 19:47:11,818 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness_negated.i [2024-11-16 19:47:13,170 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 19:47:13,624 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 19:47:13,624 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness_negated.i [2024-11-16 19:47:13,670 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50282c741/c45ddf35817d4b99bd896d5467fd5e39/FLAG89fa46072 [2024-11-16 19:47:13,688 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50282c741/c45ddf35817d4b99bd896d5467fd5e39 [2024-11-16 19:47:13,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 19:47:13,693 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 19:47:13,694 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 19:47:13,695 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 19:47:13,700 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 19:47:13,700 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:47:13" (1/1) ... [2024-11-16 19:47:13,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1524279e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:13, skipping insertion in model container [2024-11-16 19:47:13,703 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:47:13" (1/1) ... [2024-11-16 19:47:13,815 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 19:47:14,109 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_init_harness_negated.i[4491,4504] [2024-11-16 19:47:14,118 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_init_harness_negated.i[4551,4564] [2024-11-16 19:47:14,722 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:14,724 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:14,725 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:14,726 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:14,727 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:14,739 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:14,740 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:14,741 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:14,742 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:15,231 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:15,235 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:15,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:47:15,359 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 19:47:15,375 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_init_harness_negated.i[4491,4504] [2024-11-16 19:47:15,379 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_init_harness_negated.i[4551,4564] [2024-11-16 19:47:15,453 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:15,453 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:15,454 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:15,454 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:15,454 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:15,459 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:15,460 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:15,460 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:15,461 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:15,591 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8039] [2024-11-16 19:47:15,593 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:15,593 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:15,606 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8525-8536] [2024-11-16 19:47:15,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:47:15,866 INFO L204 MainTranslator]: Completed translation [2024-11-16 19:47:15,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:15 WrapperNode [2024-11-16 19:47:15,867 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 19:47:15,868 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 19:47:15,869 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 19:47:15,869 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 19:47:15,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:15" (1/1) ... [2024-11-16 19:47:15,966 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:15" (1/1) ... [2024-11-16 19:47:16,048 INFO L138 Inliner]: procedures = 679, calls = 2495, calls flagged for inlining = 55, calls inlined = 6, statements flattened = 790 [2024-11-16 19:47:16,049 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 19:47:16,049 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 19:47:16,050 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 19:47:16,050 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 19:47:16,060 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:15" (1/1) ... [2024-11-16 19:47:16,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:15" (1/1) ... [2024-11-16 19:47:16,070 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:15" (1/1) ... [2024-11-16 19:47:16,149 INFO L175 MemorySlicer]: Split 522 memory accesses to 5 slices as follows [2, 257, 238, 5, 20]. 49 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 5, 4]. The 493 writes are split as follows [0, 257, 232, 0, 4]. [2024-11-16 19:47:16,152 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:15" (1/1) ... [2024-11-16 19:47:16,152 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:15" (1/1) ... [2024-11-16 19:47:16,190 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:15" (1/1) ... [2024-11-16 19:47:16,196 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:15" (1/1) ... [2024-11-16 19:47:16,206 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:15" (1/1) ... [2024-11-16 19:47:16,216 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:15" (1/1) ... [2024-11-16 19:47:16,227 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 19:47:16,228 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 19:47:16,228 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 19:47:16,228 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 19:47:16,229 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:15" (1/1) ... [2024-11-16 19:47:16,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:47:16,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:47:16,261 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) [2024-11-16 19:47:16,264 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 [2024-11-16 19:47:16,306 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-16 19:47:16,307 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-16 19:47:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 19:47:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 19:47:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 19:47:16,308 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-16 19:47:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-16 19:47:16,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 19:47:16,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 19:47:16,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 19:47:16,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 19:47:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 19:47:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 19:47:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 19:47:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 19:47:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 19:47:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 19:47:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-16 19:47:16,310 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-16 19:47:16,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 19:47:16,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 19:47:16,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 19:47:16,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 19:47:16,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 19:47:16,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 19:47:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 19:47:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 19:47:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 19:47:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 19:47:16,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 19:47:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 19:47:16,311 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 19:47:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 19:47:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 19:47:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 19:47:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 19:47:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 19:47:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-16 19:47:16,312 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-16 19:47:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 19:47:16,313 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 19:47:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-16 19:47:16,313 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-16 19:47:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 19:47:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 19:47:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 19:47:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 19:47:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 19:47:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 19:47:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 19:47:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 19:47:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 19:47:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 19:47:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 19:47:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-16 19:47:16,315 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-16 19:47:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 19:47:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 19:47:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 19:47:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 19:47:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 19:47:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 19:47:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 19:47:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 19:47:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 19:47:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 19:47:16,615 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 19:47:16,617 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 19:47:16,660 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6868: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-16 19:47:16,693 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6882: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2024-11-16 19:47:16,741 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7147: havoc #t~mem617;havoc #t~mem618;havoc #t~short619;havoc #t~mem620.base, #t~mem620.offset;havoc #t~short621;havoc #t~mem622;havoc #t~mem623;havoc #t~mem624;havoc #t~short625;havoc #t~mem626;havoc #t~mem627.base, #t~mem627.offset;havoc #t~short628;havoc #t~short629;havoc #t~short630;havoc #t~short631; [2024-11-16 19:47:16,759 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 19:47:16,766 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6907: havoc #t~ret569.base, #t~ret569.offset; [2024-11-16 19:47:24,300 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2024-11-16 19:47:24,327 INFO L? ?]: Removed 53 outVars from TransFormulas that were not future-live. [2024-11-16 19:47:24,328 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 19:47:24,342 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 19:47:24,343 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 19:47:24,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:47:24 BoogieIcfgContainer [2024-11-16 19:47:24,343 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 19:47:24,346 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 19:47:24,346 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 19:47:24,349 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 19:47:24,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:47:13" (1/3) ... [2024-11-16 19:47:24,351 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30d640bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:47:24, skipping insertion in model container [2024-11-16 19:47:24,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:15" (2/3) ... [2024-11-16 19:47:24,352 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30d640bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:47:24, skipping insertion in model container [2024-11-16 19:47:24,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:47:24" (3/3) ... [2024-11-16 19:47:24,353 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_init_harness_negated.i [2024-11-16 19:47:24,370 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 19:47:24,370 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 19:47:24,431 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 19:47:24,437 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;@c26d007, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 19:47:24,437 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 19:47:24,441 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 69 states have (on average 1.2318840579710144) internal successors, (85), 70 states have internal predecessors, (85), 20 states have call successors, (20), 10 states have call predecessors, (20), 10 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-16 19:47:24,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-16 19:47:24,449 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:47:24,450 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-16 19:47:24,450 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:47:24,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:47:24,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1171082476, now seen corresponding path program 1 times [2024-11-16 19:47:24,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:47:24,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690243035] [2024-11-16 19:47:24,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:47:24,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:48:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:48:42,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:48:42,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:48:42,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 19:48:42,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:48:42,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 19:48:42,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:48:42,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 19:48:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:48:42,345 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-16 19:48:42,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:48:42,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690243035] [2024-11-16 19:48:42,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690243035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:48:42,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 19:48:42,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 19:48:42,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870473752] [2024-11-16 19:48:42,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:48:42,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 19:48:42,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:48:42,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 19:48:42,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 19:48:42,382 INFO L87 Difference]: Start difference. First operand has 101 states, 69 states have (on average 1.2318840579710144) internal successors, (85), 70 states have internal predecessors, (85), 20 states have call successors, (20), 10 states have call predecessors, (20), 10 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-16 19:48:42,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 19:48:42,410 INFO L93 Difference]: Finished difference Result 195 states and 254 transitions. [2024-11-16 19:48:42,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 19:48:42,412 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 32 [2024-11-16 19:48:42,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 19:48:42,420 INFO L225 Difference]: With dead ends: 195 [2024-11-16 19:48:42,421 INFO L226 Difference]: Without dead ends: 94 [2024-11-16 19:48:42,424 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 19:48:42,429 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 19:48:42,430 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 19:48:42,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-16 19:48:42,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-16 19:48:42,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 63 states have (on average 1.2063492063492063) internal successors, (76), 64 states have internal predecessors, (76), 20 states have call successors, (20), 10 states have call predecessors, (20), 10 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-16 19:48:42,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 115 transitions. [2024-11-16 19:48:42,479 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 115 transitions. Word has length 32 [2024-11-16 19:48:42,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 19:48:42,480 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 115 transitions. [2024-11-16 19:48:42,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-16 19:48:42,481 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 115 transitions. [2024-11-16 19:48:42,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-16 19:48:42,484 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:48:42,484 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-16 19:48:42,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 19:48:42,485 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:48:42,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:48:42,486 INFO L85 PathProgramCache]: Analyzing trace with hash 486335884, now seen corresponding path program 1 times [2024-11-16 19:48:42,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:48:42,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288510648] [2024-11-16 19:48:42,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:48:42,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms