./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_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 3d97d04097e42514d5700bbc256d61ac595fb6c5eca16e749be15c2d6158293f --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:10:02,262 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:10:02,323 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:10:02,330 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:10:02,331 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:10:02,361 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:10:02,362 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:10:02,362 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:10:02,363 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:10:02,363 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:10:02,363 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:10:02,364 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:10:02,364 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:10:02,364 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:10:02,365 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:10:02,365 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:10:02,366 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:10:02,366 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:10:02,369 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:10:02,369 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:10:02,373 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:10:02,373 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:10:02,374 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:10:02,374 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:10:02,374 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:10:02,375 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:10:02,375 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:10:02,375 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:10:02,375 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:10:02,376 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:10:02,376 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:10:02,376 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:10:02,376 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:10:02,377 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:10:02,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:10:02,377 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:10:02,381 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:10:02,381 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:10:02,382 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:10:02,382 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d97d04097e42514d5700bbc256d61ac595fb6c5eca16e749be15c2d6158293f [2024-11-09 03:10:02,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:10:02,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:10:02,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:10:02,673 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:10:02,673 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:10:02,675 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i [2024-11-09 03:10:04,221 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:10:04,699 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:10:04,700 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i [2024-11-09 03:10:04,749 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5978d5aee/3664f22d42d74de6aba6085a239117d2/FLAGd62f622b8 [2024-11-09 03:10:04,766 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5978d5aee/3664f22d42d74de6aba6085a239117d2 [2024-11-09 03:10:04,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:10:04,770 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:10:04,771 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:10:04,771 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:10:04,776 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:10:04,777 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:10:04" (1/1) ... [2024-11-09 03:10:04,777 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f3b0bad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:04, skipping insertion in model container [2024-11-09 03:10:04,778 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:10:04" (1/1) ... [2024-11-09 03:10:04,904 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:10:05,266 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_cursor_from_buf_harness_negated.i[4498,4511] [2024-11-09 03:10:05,278 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_cursor_from_buf_harness_negated.i[4558,4571] [2024-11-09 03:10:05,993 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:05,994 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:05,994 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:05,995 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:05,995 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:06,008 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:06,012 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:06,014 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:06,016 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:06,520 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:06,521 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:06,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:10:06,690 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:10:06,714 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_cursor_from_buf_harness_negated.i[4498,4511] [2024-11-09 03:10:06,715 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_cursor_from_buf_harness_negated.i[4558,4571] [2024-11-09 03:10:06,762 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:06,763 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:06,763 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:06,764 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:06,768 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:06,777 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:06,777 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:06,778 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:06,779 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:07,024 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-11-09 03:10:07,026 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:07,026 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:10:07,040 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2024-11-09 03:10:07,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:10:07,261 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:10:07,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:07 WrapperNode [2024-11-09 03:10:07,262 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:10:07,263 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:10:07,263 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:10:07,264 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:10:07,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:07" (1/1) ... [2024-11-09 03:10:07,370 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:07" (1/1) ... [2024-11-09 03:10:07,452 INFO L138 Inliner]: procedures = 679, calls = 2633, calls flagged for inlining = 61, calls inlined = 9, statements flattened = 870 [2024-11-09 03:10:07,453 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:10:07,453 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:10:07,454 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:10:07,454 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:10:07,468 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:07" (1/1) ... [2024-11-09 03:10:07,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:07" (1/1) ... [2024-11-09 03:10:07,507 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:07" (1/1) ... [2024-11-09 03:10:07,659 INFO L175 MemorySlicer]: Split 565 memory accesses to 6 slices as follows [2, 257, 39, 14, 247, 6]. 45 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 0, 8, 2, 11, 0]. The 495 writes are split as follows [0, 257, 2, 2, 232, 2]. [2024-11-09 03:10:07,663 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:07" (1/1) ... [2024-11-09 03:10:07,664 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:07" (1/1) ... [2024-11-09 03:10:07,700 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:07" (1/1) ... [2024-11-09 03:10:07,708 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:07" (1/1) ... [2024-11-09 03:10:07,722 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:07" (1/1) ... [2024-11-09 03:10:07,732 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:07" (1/1) ... [2024-11-09 03:10:07,753 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:10:07,755 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:10:07,755 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:10:07,755 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:10:07,756 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:07" (1/1) ... [2024-11-09 03:10:07,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:10:07,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:10:07,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 03:10:07,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 03:10:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-09 03:10:07,853 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-09 03:10:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-09 03:10:07,854 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-09 03:10:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:10:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:10:07,855 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:10:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:10:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:10:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:10:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:10:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:10:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 03:10:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:10:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:10:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:10:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:10:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:10:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 03:10:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:10:07,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:10:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_from_buf [2024-11-09 03:10:07,857 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_from_buf [2024-11-09 03:10:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:10:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:10:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:10:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:10:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:10:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:10:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:10:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 03:10:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:10:07,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:10:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:10:07,859 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:10:07,859 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-09 03:10:07,859 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-09 03:10:07,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:10:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:10:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:10:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:10:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:10:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 03:10:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:10:07,861 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:10:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:10:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:10:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:10:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:10:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:10:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:10:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 03:10:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:10:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:10:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:10:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:10:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:10:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 03:10:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:10:07,863 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:10:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 03:10:07,863 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 03:10:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:10:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:10:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:10:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:10:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:10:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 03:10:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:10:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:10:07,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:10:07,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:10:07,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:10:07,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 03:10:08,196 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:10:08,198 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:10:16,743 INFO L? ?]: Removed 125 outVars from TransFormulas that were not future-live. [2024-11-09 03:10:16,743 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:10:16,762 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:10:16,762 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 03:10:16,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:10:16 BoogieIcfgContainer [2024-11-09 03:10:16,762 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:10:16,765 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:10:16,766 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:10:16,769 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:10:16,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:10:04" (1/3) ... [2024-11-09 03:10:16,770 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cb3e6b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:10:16, skipping insertion in model container [2024-11-09 03:10:16,770 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:10:07" (2/3) ... [2024-11-09 03:10:16,772 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cb3e6b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:10:16, skipping insertion in model container [2024-11-09 03:10:16,772 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:10:16" (3/3) ... [2024-11-09 03:10:16,774 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_buf_harness_negated.i [2024-11-09 03:10:16,789 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:10:16,790 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:10:16,863 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:10:16,869 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;@2d2a75b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:10:16,869 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:10:16,872 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 88 states have (on average 1.25) internal successors, (110), 89 states have internal predecessors, (110), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-09 03:10:16,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 03:10:16,879 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:10:16,880 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-09 03:10:16,880 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:10:16,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:10:16,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1503850868, now seen corresponding path program 1 times [2024-11-09 03:10:16,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:10:16,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80242021] [2024-11-09 03:10:16,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:10:16,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:11:32,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:11:35,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:11:35,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:11:35,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:11:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:11:35,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 03:11:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:11:35,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:11:35,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:11:35,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 03:11:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:11:36,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 03:11:36,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:11:36,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 03:11:36,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:11:36,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 03:11:36,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:11:36,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 03:11:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:11:36,268 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 03:11:36,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:11:36,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80242021] [2024-11-09 03:11:36,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80242021] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 03:11:36,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2041605717] [2024-11-09 03:11:36,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:11:36,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 03:11:36,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:11:36,276 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) [2024-11-09 03:11:36,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process