./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_buf_write_be16_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_buf_write_be16_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 57a18073b2c44f50c41075cb58c545f11651aa11bf22ee68e7e7b5aa1590e494 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 10:00:14,091 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 10:00:14,164 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 10:00:14,189 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 10:00:14,190 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 10:00:14,223 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 10:00:14,224 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 10:00:14,225 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 10:00:14,225 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 10:00:14,226 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 10:00:14,226 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 10:00:14,227 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 10:00:14,228 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 10:00:14,228 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 10:00:14,229 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 10:00:14,229 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 10:00:14,229 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 10:00:14,230 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 10:00:14,230 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 10:00:14,230 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 10:00:14,231 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 10:00:14,231 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 10:00:14,232 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 10:00:14,232 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 10:00:14,232 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 10:00:14,233 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 10:00:14,233 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 10:00:14,233 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 10:00:14,233 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 10:00:14,234 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:00:14,234 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 10:00:14,234 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 10:00:14,235 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 10:00:14,235 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 10:00:14,235 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 10:00:14,236 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 10:00:14,236 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 10:00:14,236 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 10:00:14,237 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 10:00:14,237 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57a18073b2c44f50c41075cb58c545f11651aa11bf22ee68e7e7b5aa1590e494 [2024-11-20 10:00:14,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 10:00:14,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 10:00:14,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 10:00:14,518 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 10:00:14,521 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 10:00:14,522 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i [2024-11-20 10:00:15,866 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 10:00:16,325 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 10:00:16,327 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i [2024-11-20 10:00:16,370 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/beef46be1/c29abe39d91549a0aa8c8505a6df4169/FLAGc5d44bb45 [2024-11-20 10:00:16,384 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/beef46be1/c29abe39d91549a0aa8c8505a6df4169 [2024-11-20 10:00:16,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 10:00:16,388 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 10:00:16,391 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 10:00:16,391 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 10:00:16,396 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 10:00:16,397 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:00:16" (1/1) ... [2024-11-20 10:00:16,398 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53b205d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:00:16, skipping insertion in model container [2024-11-20 10:00:16,398 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:00:16" (1/1) ... [2024-11-20 10:00:16,506 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 10:00:16,824 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_be16_harness_negated.i[4497,4510] [2024-11-20 10:00:16,837 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_be16_harness_negated.i[4557,4570] [2024-11-20 10:00:17,628 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:00:17,629 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:00:17,629 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:00:17,630 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:00:17,635 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:00:17,647 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:00:17,648 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:00:17,650 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:00:17,651 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:00:18,289 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:00:18,290 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:00:18,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:00:18,438 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 10:00:18,455 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_be16_harness_negated.i[4497,4510] [2024-11-20 10:00:18,456 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_be16_harness_negated.i[4557,4570] [2024-11-20 10:00:18,509 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:00:18,510 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:00:18,510 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:00:18,510 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:00:18,511 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:00:18,520 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:00:18,522 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:00:18,523 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:00:18,523 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:00:18,673 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2024-11-20 10:00:18,675 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:00:18,676 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:00:18,689 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2024-11-20 10:00:18,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:00:18,946 INFO L204 MainTranslator]: Completed translation [2024-11-20 10:00:18,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:00:18 WrapperNode [2024-11-20 10:00:18,947 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 10:00:18,953 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 10:00:18,953 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 10:00:18,953 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 10:00:18,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:00:18" (1/1) ... [2024-11-20 10:00:19,075 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:00:18" (1/1) ... [2024-11-20 10:00:19,174 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 11, statements flattened = 882 [2024-11-20 10:00:19,175 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 10:00:19,176 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 10:00:19,177 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 10:00:19,177 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 10:00:19,188 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:00:18" (1/1) ... [2024-11-20 10:00:19,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:00:18" (1/1) ... [2024-11-20 10:00:19,203 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:00:18" (1/1) ... [2024-11-20 10:00:19,287 INFO L175 MemorySlicer]: Split 562 memory accesses to 7 slices as follows [2, 257, 238, 6, 4, 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 497 writes are split as follows [0, 257, 232, 2, 2, 1, 3]. [2024-11-20 10:00:19,291 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:00:18" (1/1) ... [2024-11-20 10:00:19,291 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:00:18" (1/1) ... [2024-11-20 10:00:19,338 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:00:18" (1/1) ... [2024-11-20 10:00:19,345 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:00:18" (1/1) ... [2024-11-20 10:00:19,358 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:00:18" (1/1) ... [2024-11-20 10:00:19,370 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:00:18" (1/1) ... [2024-11-20 10:00:19,389 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 10:00:19,393 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 10:00:19,393 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 10:00:19,394 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 10:00:19,395 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:00:18" (1/1) ... [2024-11-20 10:00:19,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:00:19,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 10:00:19,429 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 10:00:19,434 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 10:00:19,476 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-20 10:00:19,477 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-20 10:00:19,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 10:00:19,478 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-20 10:00:19,478 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-20 10:00:19,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 10:00:19,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 10:00:19,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 10:00:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 10:00:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 10:00:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-20 10:00:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-20 10:00:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 10:00:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 10:00:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 10:00:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 10:00:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 10:00:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-20 10:00:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-20 10:00:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 10:00:19,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 10:00:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 10:00:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 10:00:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 10:00:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 10:00:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 10:00:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 10:00:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 10:00:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-20 10:00:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-20 10:00:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-20 10:00:19,483 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-20 10:00:19,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 10:00:19,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 10:00:19,483 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-20 10:00:19,483 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-20 10:00:19,483 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-20 10:00:19,483 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-20 10:00:19,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 10:00:19,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 10:00:19,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 10:00:19,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 10:00:19,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 10:00:19,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-20 10:00:19,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-20 10:00:19,485 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 10:00:19,485 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 10:00:19,485 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-20 10:00:19,485 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-20 10:00:19,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 10:00:19,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 10:00:19,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 10:00:19,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 10:00:19,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 10:00:19,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-20 10:00:19,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-20 10:00:19,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-20 10:00:19,487 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-20 10:00:19,488 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-20 10:00:19,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 10:00:19,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 10:00:19,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 10:00:19,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 10:00:19,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 10:00:19,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-20 10:00:19,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-20 10:00:19,488 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-20 10:00:19,488 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-20 10:00:19,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 10:00:19,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 10:00:19,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 10:00:19,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 10:00:19,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 10:00:19,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-20 10:00:19,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-20 10:00:19,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 10:00:19,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 10:00:19,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 10:00:19,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 10:00:19,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 10:00:19,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-20 10:00:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-20 10:00:19,834 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 10:00:19,837 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 10:00:28,331 INFO L? ?]: Removed 107 outVars from TransFormulas that were not future-live. [2024-11-20 10:00:28,331 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 10:00:28,344 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 10:00:28,344 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 10:00:28,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:00:28 BoogieIcfgContainer [2024-11-20 10:00:28,345 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 10:00:28,347 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 10:00:28,347 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 10:00:28,350 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 10:00:28,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:00:16" (1/3) ... [2024-11-20 10:00:28,350 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64d7f9cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:00:28, skipping insertion in model container [2024-11-20 10:00:28,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:00:18" (2/3) ... [2024-11-20 10:00:28,351 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64d7f9cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:00:28, skipping insertion in model container [2024-11-20 10:00:28,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:00:28" (3/3) ... [2024-11-20 10:00:28,352 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be16_harness_negated.i [2024-11-20 10:00:28,368 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 10:00:28,369 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 10:00:28,432 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 10:00:28,437 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@65243295, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 10:00:28,438 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 10:00:28,443 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 87 states have (on average 1.2298850574712643) internal successors, (107), 88 states have internal predecessors, (107), 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) [2024-11-20 10:00:28,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-20 10:00:28,455 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:00:28,456 INFO L215 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, 1] [2024-11-20 10:00:28,457 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:00:28,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:00:28,463 INFO L85 PathProgramCache]: Analyzing trace with hash 632268755, now seen corresponding path program 1 times [2024-11-20 10:00:28,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:00:28,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510597249] [2024-11-20 10:00:28,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:00:28,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:01:47,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:01:48,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-20 10:01:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:01:48,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 10:01:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:01:48,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 10:01:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:01:48,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:01:48,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:01:48,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 10:01:48,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:01:48,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 10:01:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:01:48,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-20 10:01:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:01:48,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 10:01:48,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:01:48,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-20 10:01:48,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:01:48,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-20 10:01:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:01:48,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-20 10:01:48,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:01:48,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 10:01:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:01:48,395 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-20 10:01:48,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:01:48,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510597249] [2024-11-20 10:01:48,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510597249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:01:48,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:01:48,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 10:01:48,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416772690] [2024-11-20 10:01:48,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:01:48,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 10:01:48,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:01:48,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 10:01:48,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 10:01:48,437 INFO L87 Difference]: Start difference. First operand has 133 states, 87 states have (on average 1.2298850574712643) internal successors, (107), 88 states have internal predecessors, (107), 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 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 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) [2024-11-20 10:01:52,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:01:54,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 10:01:54,751 INFO L93 Difference]: Finished difference Result 261 states and 370 transitions. [2024-11-20 10:01:54,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 10:01:54,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 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) Word has length 87 [2024-11-20 10:01:54,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 10:01:54,761 INFO L225 Difference]: With dead ends: 261 [2024-11-20 10:01:54,761 INFO L226 Difference]: Without dead ends: 128 [2024-11-20 10:01:54,764 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 10:01:54,767 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 75 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 21 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-11-20 10:01:54,769 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 119 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 114 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2024-11-20 10:01:54,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-20 10:01:54,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2024-11-20 10:01:54,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 83 states have (on average 1.2048192771084338) internal successors, (100), 84 states have internal predecessors, (100), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-20 10:01:54,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 167 transitions. [2024-11-20 10:01:54,818 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 167 transitions. Word has length 87 [2024-11-20 10:01:54,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 10:01:54,818 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 167 transitions. [2024-11-20 10:01:54,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 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) [2024-11-20 10:01:54,819 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 167 transitions. [2024-11-20 10:01:54,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-20 10:01:54,822 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:01:54,823 INFO L215 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, 1] [2024-11-20 10:01:54,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 10:01:54,823 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:01:54,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:01:54,824 INFO L85 PathProgramCache]: Analyzing trace with hash 481976023, now seen corresponding path program 1 times [2024-11-20 10:01:54,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:01:54,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012607080] [2024-11-20 10:01:54,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:01:54,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms