./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.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 e8acf6765f11fcd1914a16b600f73d0dd655e8b1eed69990958acc7eadb94c2e --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 08:45:45,659 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 08:45:45,726 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-12 08:45:45,733 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 08:45:45,733 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 08:45:45,762 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 08:45:45,763 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 08:45:45,763 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 08:45:45,764 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 08:45:45,764 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 08:45:45,765 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 08:45:45,765 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 08:45:45,766 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 08:45:45,768 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 08:45:45,769 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 08:45:45,769 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 08:45:45,769 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 08:45:45,770 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 08:45:45,770 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 08:45:45,770 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 08:45:45,770 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 08:45:45,774 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 08:45:45,774 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 08:45:45,775 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 08:45:45,775 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 08:45:45,775 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 08:45:45,775 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 08:45:45,775 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 08:45:45,776 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 08:45:45,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:45:45,776 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 08:45:45,776 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 08:45:45,776 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 08:45:45,777 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 08:45:45,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 08:45:45,777 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 08:45:45,777 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 08:45:45,778 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 08:45:45,778 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 08:45:45,778 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8acf6765f11fcd1914a16b600f73d0dd655e8b1eed69990958acc7eadb94c2e [2024-11-12 08:45:46,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 08:45:46,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 08:45:46,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 08:45:46,070 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 08:45:46,071 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 08:45:46,072 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i [2024-11-12 08:45:47,589 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 08:45:48,059 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 08:45:48,059 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i [2024-11-12 08:45:48,102 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/818922ef8/4083d2f9c74b4c65b9ccc28a29c7c648/FLAG5c29a01d9 [2024-11-12 08:45:48,161 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/818922ef8/4083d2f9c74b4c65b9ccc28a29c7c648 [2024-11-12 08:45:48,163 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 08:45:48,164 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 08:45:48,166 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 08:45:48,166 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 08:45:48,171 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 08:45:48,172 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:45:48" (1/1) ... [2024-11-12 08:45:48,175 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70934e8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:45:48, skipping insertion in model container [2024-11-12 08:45:48,175 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:45:48" (1/1) ... [2024-11-12 08:45:48,309 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 08:45:48,632 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i[4495,4508] [2024-11-12 08:45:48,644 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i[4555,4568] [2024-11-12 08:45:49,394 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:45:49,395 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:45:49,395 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:45:49,396 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:45:49,397 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:45:49,416 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:45:49,416 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:45:49,418 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:45:49,419 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:45:49,932 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:45:49,933 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:45:50,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:45:50,148 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 08:45:50,167 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i[4495,4508] [2024-11-12 08:45:50,168 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i[4555,4568] [2024-11-12 08:45:50,217 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:45:50,219 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:45:50,220 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:45:50,223 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:45:50,223 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:45:50,228 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:45:50,232 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:45:50,233 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:45:50,236 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:45:50,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2024-11-12 08:45:50,382 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:45:50,383 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:45:50,395 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2024-11-12 08:45:50,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:45:50,676 INFO L204 MainTranslator]: Completed translation [2024-11-12 08:45:50,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:45:50 WrapperNode [2024-11-12 08:45:50,677 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 08:45:50,679 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 08:45:50,679 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 08:45:50,679 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 08:45:50,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:45:50" (1/1) ... [2024-11-12 08:45:50,766 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:45:50" (1/1) ... [2024-11-12 08:45:50,844 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 871 [2024-11-12 08:45:50,845 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 08:45:50,845 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 08:45:50,846 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 08:45:50,846 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 08:45:50,861 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:45:50" (1/1) ... [2024-11-12 08:45:50,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:45:50" (1/1) ... [2024-11-12 08:45:50,924 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:45:50" (1/1) ... [2024-11-12 08:45:51,013 INFO L175 MemorySlicer]: Split 560 memory accesses to 7 slices as follows [2, 257, 238, 6, 2, 8, 47]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 0, 0, 5, 8]. The 496 writes are split as follows [0, 257, 232, 2, 1, 1, 3]. [2024-11-12 08:45:51,017 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:45:50" (1/1) ... [2024-11-12 08:45:51,017 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:45:50" (1/1) ... [2024-11-12 08:45:51,064 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:45:50" (1/1) ... [2024-11-12 08:45:51,071 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:45:50" (1/1) ... [2024-11-12 08:45:51,085 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:45:50" (1/1) ... [2024-11-12 08:45:51,099 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:45:50" (1/1) ... [2024-11-12 08:45:51,111 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 08:45:51,112 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 08:45:51,113 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 08:45:51,113 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 08:45:51,113 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:45:50" (1/1) ... [2024-11-12 08:45:51,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:45:51,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:45:51,157 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) [2024-11-12 08:45:51,162 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 [2024-11-12 08:45:51,208 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-12 08:45:51,210 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-12 08:45:51,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 08:45:51,211 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-12 08:45:51,211 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-12 08:45:51,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-12 08:45:51,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-12 08:45:51,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-12 08:45:51,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-12 08:45:51,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-12 08:45:51,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-12 08:45:51,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-12 08:45:51,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 08:45:51,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 08:45:51,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 08:45:51,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 08:45:51,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 08:45:51,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-12 08:45:51,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-12 08:45:51,214 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 08:45:51,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 08:45:51,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 08:45:51,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 08:45:51,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 08:45:51,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 08:45:51,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 08:45:51,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-12 08:45:51,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-12 08:45:51,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-12 08:45:51,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-12 08:45:51,215 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-12 08:45:51,216 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-12 08:45:51,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 08:45:51,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 08:45:51,216 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-12 08:45:51,216 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-12 08:45:51,216 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-12 08:45:51,217 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-12 08:45:51,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-12 08:45:51,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-12 08:45:51,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-12 08:45:51,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-12 08:45:51,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-12 08:45:51,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-12 08:45:51,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-12 08:45:51,219 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 08:45:51,219 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 08:45:51,219 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-12 08:45:51,219 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-12 08:45:51,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 08:45:51,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 08:45:51,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 08:45:51,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 08:45:51,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-12 08:45:51,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-12 08:45:51,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-12 08:45:51,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-12 08:45:51,221 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-12 08:45:51,221 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-12 08:45:51,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-12 08:45:51,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-12 08:45:51,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-12 08:45:51,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-12 08:45:51,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-12 08:45:51,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-12 08:45:51,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-12 08:45:51,222 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-12 08:45:51,222 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-12 08:45:51,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 08:45:51,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 08:45:51,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 08:45:51,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 08:45:51,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 08:45:51,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-12 08:45:51,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-12 08:45:51,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 08:45:51,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 08:45:51,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 08:45:51,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 08:45:51,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 08:45:51,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-12 08:45:51,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-12 08:45:51,576 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 08:45:51,583 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 08:46:00,363 INFO L? ?]: Removed 103 outVars from TransFormulas that were not future-live. [2024-11-12 08:46:00,367 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 08:46:00,396 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 08:46:00,399 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 08:46:00,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:46:00 BoogieIcfgContainer [2024-11-12 08:46:00,400 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 08:46:00,402 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 08:46:00,403 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 08:46:00,406 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 08:46:00,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:45:48" (1/3) ... [2024-11-12 08:46:00,407 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69389057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:46:00, skipping insertion in model container [2024-11-12 08:46:00,408 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:45:50" (2/3) ... [2024-11-12 08:46:00,408 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69389057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:46:00, skipping insertion in model container [2024-11-12 08:46:00,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:46:00" (3/3) ... [2024-11-12 08:46:00,411 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_u8_harness.i [2024-11-12 08:46:00,429 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 08:46:00,430 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 08:46:00,511 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 08:46:00,521 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;@687df3c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 08:46:00,521 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 08:46:00,526 INFO L276 IsEmpty]: Start isEmpty. Operand has 132 states, 86 states have (on average 1.2325581395348837) internal successors, (106), 87 states have internal predecessors, (106), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-12 08:46:00,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-12 08:46:00,543 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:46:00,544 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 08:46:00,545 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:46:00,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:46:00,552 INFO L85 PathProgramCache]: Analyzing trace with hash -276254992, now seen corresponding path program 1 times [2024-11-12 08:46:00,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:46:00,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615340712] [2024-11-12 08:46:00,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:46:00,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:47:18,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:47:19,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 08:47:19,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:47:19,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 08:47:19,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:47:19,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 08:47:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:47:19,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:47:19,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:47:19,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 08:47:19,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:47:19,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 08:47:19,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:47:19,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-12 08:47:19,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:47:19,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 08:47:19,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:47:19,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 08:47:19,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:47:19,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 08:47:19,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:47:19,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 08:47:19,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:47:19,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 08:47:19,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:47:19,930 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-12 08:47:19,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:47:19,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615340712] [2024-11-12 08:47:19,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615340712] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:47:19,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 08:47:19,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 08:47:19,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97563578] [2024-11-12 08:47:19,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:47:19,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 08:47:19,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:47:19,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 08:47:19,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 08:47:19,970 INFO L87 Difference]: Start difference. First operand has 132 states, 86 states have (on average 1.2325581395348837) internal successors, (106), 87 states have internal predecessors, (106), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-12 08:47:24,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []