./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/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 fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/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-wip.dd.update-z3-fca748b-m [2024-11-20 10:04:58,952 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 10:04:59,014 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 10:04:59,018 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 10:04:59,020 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 10:04:59,087 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 10:04:59,087 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 10:04:59,088 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 10:04:59,088 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 10:04:59,089 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 10:04:59,097 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 10:04:59,097 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 10:04:59,098 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 10:04:59,098 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 10:04:59,098 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 10:04:59,099 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 10:04:59,099 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 10:04:59,099 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 10:04:59,100 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 10:04:59,100 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 10:04:59,100 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 10:04:59,104 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 10:04:59,105 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 10:04:59,105 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 10:04:59,105 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 10:04:59,105 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 10:04:59,105 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 10:04:59,106 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 10:04:59,106 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 10:04:59,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:04:59,106 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 10:04:59,106 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 10:04:59,108 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 10:04:59,108 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 10:04:59,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 10:04:59,109 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 10:04:59,109 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 10:04:59,109 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 10:04:59,109 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 10:04:59,109 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d97d04097e42514d5700bbc256d61ac595fb6c5eca16e749be15c2d6158293f [2024-11-20 10:04:59,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 10:04:59,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 10:04:59,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 10:04:59,339 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 10:04:59,340 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 10:04:59,341 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i [2024-11-20 10:05:00,677 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 10:05:01,050 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 10:05:01,050 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i [2024-11-20 10:05:01,084 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b6cc9412/57bd6fab3cb14e01ba34be68332df7ad/FLAG677cb0a9a [2024-11-20 10:05:01,253 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b6cc9412/57bd6fab3cb14e01ba34be68332df7ad [2024-11-20 10:05:01,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 10:05:01,259 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 10:05:01,261 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 10:05:01,261 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 10:05:01,267 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 10:05:01,267 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:05:01" (1/1) ... [2024-11-20 10:05:01,268 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73f84539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:01, skipping insertion in model container [2024-11-20 10:05:01,268 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:05:01" (1/1) ... [2024-11-20 10:05:01,441 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 10:05:01,648 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] [2024-11-20 10:05:01,654 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] [2024-11-20 10:05:02,139 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:02,140 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:02,142 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:02,143 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:02,143 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:02,158 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:02,160 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:02,161 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:02,161 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:02,617 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:02,618 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:02,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:05:02,726 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 10:05:02,744 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] [2024-11-20 10:05:02,744 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] [2024-11-20 10:05:02,831 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:02,833 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:02,833 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:02,834 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:02,834 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:02,838 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:02,838 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:02,839 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:02,839 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:02,946 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-11-20 10:05:02,948 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:02,948 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:05:02,958 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2024-11-20 10:05:02,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:05:03,110 INFO L204 MainTranslator]: Completed translation [2024-11-20 10:05:03,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:03 WrapperNode [2024-11-20 10:05:03,111 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 10:05:03,112 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 10:05:03,112 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 10:05:03,112 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 10:05:03,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:03" (1/1) ... [2024-11-20 10:05:03,178 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:03" (1/1) ... [2024-11-20 10:05:03,240 INFO L138 Inliner]: procedures = 679, calls = 2633, calls flagged for inlining = 61, calls inlined = 9, statements flattened = 870 [2024-11-20 10:05:03,240 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 10:05:03,241 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 10:05:03,241 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 10:05:03,241 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 10:05:03,249 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:03" (1/1) ... [2024-11-20 10:05:03,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:03" (1/1) ... [2024-11-20 10:05:03,263 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:03" (1/1) ... [2024-11-20 10:05:03,329 INFO L175 MemorySlicer]: Split 565 memory accesses to 6 slices as follows [2, 257, 39, 14, 6, 247]. 45 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 0, 8, 2, 0, 11]. The 495 writes are split as follows [0, 257, 2, 2, 2, 232]. [2024-11-20 10:05:03,330 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:03" (1/1) ... [2024-11-20 10:05:03,330 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:03" (1/1) ... [2024-11-20 10:05:03,363 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:03" (1/1) ... [2024-11-20 10:05:03,369 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:03" (1/1) ... [2024-11-20 10:05:03,381 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:03" (1/1) ... [2024-11-20 10:05:03,384 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:03" (1/1) ... [2024-11-20 10:05:03,394 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 10:05:03,398 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 10:05:03,398 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 10:05:03,398 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 10:05:03,398 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:03" (1/1) ... [2024-11-20 10:05:03,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:05:03,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 10:05:03,425 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) [2024-11-20 10:05:03,431 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 [2024-11-20 10:05:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-20 10:05:03,463 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-20 10:05:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-20 10:05:03,464 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-20 10:05:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 10:05:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-20 10:05:03,464 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-20 10:05:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 10:05:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 10:05:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 10:05:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 10:05:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 10:05:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-20 10:05:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 10:05:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 10:05:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 10:05:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 10:05:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 10:05:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-20 10:05:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 10:05:03,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 10:05:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_from_buf [2024-11-20 10:05:03,465 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_from_buf [2024-11-20 10:05:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 10:05:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 10:05:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 10:05:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 10:05:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 10:05:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 10:05:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 10:05:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-20 10:05:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 10:05:03,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 10:05:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-20 10:05:03,467 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-20 10:05:03,467 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-20 10:05:03,467 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-20 10:05:03,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 10:05:03,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 10:05:03,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 10:05:03,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 10:05:03,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 10:05:03,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-20 10:05:03,467 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 10:05:03,468 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 10:05:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 10:05:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 10:05:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 10:05:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 10:05:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 10:05:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-20 10:05:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-20 10:05:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 10:05:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 10:05:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 10:05:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 10:05:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 10:05:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-20 10:05:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-20 10:05:03,469 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-20 10:05:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-20 10:05:03,469 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-20 10:05:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 10:05:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 10:05:03,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 10:05:03,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 10:05:03,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 10:05:03,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-20 10:05:03,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 10:05:03,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 10:05:03,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 10:05:03,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 10:05:03,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 10:05:03,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-20 10:05:03,689 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 10:05:03,692 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 10:05:11,368 INFO L? ?]: Removed 125 outVars from TransFormulas that were not future-live. [2024-11-20 10:05:11,368 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 10:05:11,381 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 10:05:11,382 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 10:05:11,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:05:11 BoogieIcfgContainer [2024-11-20 10:05:11,382 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 10:05:11,384 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 10:05:11,384 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 10:05:11,386 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 10:05:11,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:05:01" (1/3) ... [2024-11-20 10:05:11,387 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@de38782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:05:11, skipping insertion in model container [2024-11-20 10:05:11,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:03" (2/3) ... [2024-11-20 10:05:11,389 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@de38782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:05:11, skipping insertion in model container [2024-11-20 10:05:11,389 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:05:11" (3/3) ... [2024-11-20 10:05:11,390 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_buf_harness_negated.i [2024-11-20 10:05:11,401 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 10:05:11,402 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 10:05:11,453 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 10:05:11,459 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;@5d8883c7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 10:05:11,463 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 10:05:11,469 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) [2024-11-20 10:05:11,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-20 10:05:11,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:05:11,482 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] [2024-11-20 10:05:11,486 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:05:11,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:05:11,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1503850868, now seen corresponding path program 1 times [2024-11-20 10:05:11,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:05:11,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787242661] [2024-11-20 10:05:11,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:05:11,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:06:34,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:06:36,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 10:06:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:06:36,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 10:06:36,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:06:37,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 10:06:37,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:06:37,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:06:37,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:06:37,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 10:06:37,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:06:37,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 10:06:37,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:06:37,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 10:06:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:06:37,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 10:06:37,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:06:37,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-20 10:06:37,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:06:37,455 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-20 10:06:37,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:06:37,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787242661] [2024-11-20 10:06:37,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787242661] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 10:06:37,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108418761] [2024-11-20 10:06:37,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:06:37,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 10:06:37,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 10:06:37,463 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) [2024-11-20 10:06:37,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process