./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_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_priority_queue_remove_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 fafc38909a055846da1b41b1ae706143d92ef6bb742651c374b2236f4f92c5ee --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:18:21,113 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:18:21,189 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:18:21,197 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:18:21,197 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:18:21,227 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:18:21,228 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:18:21,229 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:18:21,229 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:18:21,230 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:18:21,230 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:18:21,231 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:18:21,231 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:18:21,234 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:18:21,234 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:18:21,234 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:18:21,235 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:18:21,235 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:18:21,235 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:18:21,236 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:18:21,236 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:18:21,241 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:18:21,242 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:18:21,242 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:18:21,242 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:18:21,243 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:18:21,243 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:18:21,243 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:18:21,244 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:18:21,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:18:21,244 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:18:21,245 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:18:21,245 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:18:21,245 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:18:21,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:18:21,246 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:18:21,246 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:18:21,246 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:18:21,247 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:18:21,247 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fafc38909a055846da1b41b1ae706143d92ef6bb742651c374b2236f4f92c5ee [2024-11-09 03:18:21,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:18:21,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:18:21,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:18:21,543 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:18:21,543 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:18:21,545 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness_negated.i [2024-11-09 03:18:23,027 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:18:23,448 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:18:23,449 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness_negated.i [2024-11-09 03:18:23,487 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d28c4269/5775b5430d674c3696f4a6e75a9f3c04/FLAG2f319e425 [2024-11-09 03:18:23,502 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d28c4269/5775b5430d674c3696f4a6e75a9f3c04 [2024-11-09 03:18:23,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:18:23,524 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:18:23,525 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:18:23,525 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:18:23,531 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:18:23,532 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:18:23" (1/1) ... [2024-11-09 03:18:23,534 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e242ef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:23, skipping insertion in model container [2024-11-09 03:18:23,535 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:18:23" (1/1) ... [2024-11-09 03:18:23,642 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:18:23,945 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_priority_queue_remove_harness_negated.i[4499,4512] [2024-11-09 03:18:23,955 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_priority_queue_remove_harness_negated.i[4559,4572] [2024-11-09 03:18:24,619 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:24,620 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:24,620 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:24,621 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:24,622 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:24,643 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:24,644 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:24,646 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:24,649 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:24,651 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:24,654 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:24,656 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:24,657 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,092 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,100 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,163 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,164 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,165 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,165 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,165 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,166 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,166 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,167 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,167 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,167 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,167 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,168 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,168 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,171 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,171 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,172 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,172 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,175 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,176 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,183 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,184 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,184 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,197 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,197 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,198 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,202 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:18:25,240 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:18:25,251 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_priority_queue_remove_harness_negated.i[4499,4512] [2024-11-09 03:18:25,252 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_priority_queue_remove_harness_negated.i[4559,4572] [2024-11-09 03:18:25,305 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,306 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,306 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,306 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,307 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,312 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,313 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,314 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,314 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,315 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,316 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,316 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,316 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,419 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,423 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7739-7750] [2024-11-09 03:18:25,505 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,506 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,506 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,506 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,507 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,507 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,507 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,508 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,508 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,508 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,508 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,509 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,509 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,510 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,510 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,510 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,511 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,512 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,513 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,516 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,517 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,517 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,527 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,527 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,528 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:25,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:18:25,817 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:18:25,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:25 WrapperNode [2024-11-09 03:18:25,818 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:18:25,819 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:18:25,819 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:18:25,819 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:18:25,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:25" (1/1) ... [2024-11-09 03:18:25,947 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:25" (1/1) ... [2024-11-09 03:18:26,031 INFO L138 Inliner]: procedures = 686, calls = 1933, calls flagged for inlining = 59, calls inlined = 15, statements flattened = 1090 [2024-11-09 03:18:26,035 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:18:26,036 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:18:26,036 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:18:26,036 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:18:26,047 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:25" (1/1) ... [2024-11-09 03:18:26,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:25" (1/1) ... [2024-11-09 03:18:26,057 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:25" (1/1) ... [2024-11-09 03:18:26,169 INFO L175 MemorySlicer]: Split 396 memory accesses to 6 slices as follows [2, 264, 97, 17, 13, 3]. 67 percent of accesses are in the largest equivalence class. The 30 initializations are split as follows [2, 12, 0, 4, 11, 1]. The 262 writes are split as follows [0, 240, 18, 3, 0, 1]. [2024-11-09 03:18:26,170 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:25" (1/1) ... [2024-11-09 03:18:26,172 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:25" (1/1) ... [2024-11-09 03:18:26,218 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:25" (1/1) ... [2024-11-09 03:18:26,225 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:25" (1/1) ... [2024-11-09 03:18:26,253 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:25" (1/1) ... [2024-11-09 03:18:26,264 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:25" (1/1) ... [2024-11-09 03:18:26,279 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:18:26,280 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:18:26,280 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:18:26,281 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:18:26,281 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:25" (1/1) ... [2024-11-09 03:18:26,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:18:26,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:18:26,317 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 03:18:26,319 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 03:18:26,364 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2024-11-09 03:18:26,365 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2024-11-09 03:18:26,365 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-09 03:18:26,365 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-09 03:18:26,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:18:26,366 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-09 03:18:26,366 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-09 03:18:26,366 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-09 03:18:26,366 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-09 03:18:26,366 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:18:26,366 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:18:26,366 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2024-11-09 03:18:26,367 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2024-11-09 03:18:26,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:18:26,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:18:26,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:18:26,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:18:26,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:18:26,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 03:18:26,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:18:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:18:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:18:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:18:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:18:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 03:18:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-09 03:18:26,368 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-09 03:18:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:18:26,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:18:26,369 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2024-11-09 03:18:26,369 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2024-11-09 03:18:26,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:18:26,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:18:26,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:18:26,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:18:26,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:18:26,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:18:26,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:18:26,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 03:18:26,370 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2024-11-09 03:18:26,370 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2024-11-09 03:18:26,370 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-09 03:18:26,371 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-09 03:18:26,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:18:26,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:18:26,371 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:18:26,371 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:18:26,371 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-09 03:18:26,371 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-09 03:18:26,371 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-09 03:18:26,371 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-09 03:18:26,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:18:26,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:18:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:18:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:18:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:18:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 03:18:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-09 03:18:26,372 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-09 03:18:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-09 03:18:26,372 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-09 03:18:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-09 03:18:26,372 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-09 03:18:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-09 03:18:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-09 03:18:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-09 03:18:26,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-09 03:18:26,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-09 03:18:26,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-09 03:18:26,373 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-09 03:18:26,373 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-09 03:18:26,373 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-09 03:18:26,373 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-09 03:18:26,373 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-09 03:18:26,373 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-09 03:18:26,373 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:18:26,373 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:18:26,374 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-09 03:18:26,374 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-09 03:18:26,374 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2024-11-09 03:18:26,374 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2024-11-09 03:18:26,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:18:26,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:18:26,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:18:26,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:18:26,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:18:26,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:18:26,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 03:18:26,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:18:26,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:18:26,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:18:26,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:18:26,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:18:26,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 03:18:26,376 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2024-11-09 03:18:26,376 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2024-11-09 03:18:26,376 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:18:26,376 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:18:26,377 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-09 03:18:26,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-09 03:18:26,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:18:26,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:18:26,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:18:26,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:18:26,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:18:26,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 03:18:26,377 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-09 03:18:26,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-09 03:18:26,378 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-11-09 03:18:26,378 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-11-09 03:18:26,378 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-09 03:18:26,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-09 03:18:26,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:18:26,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:18:26,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:18:26,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:18:26,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:18:26,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 03:18:26,379 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2024-11-09 03:18:26,379 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2024-11-09 03:18:26,795 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:18:26,799 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:18:33,450 INFO L? ?]: Removed 267 outVars from TransFormulas that were not future-live. [2024-11-09 03:18:33,451 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:18:33,483 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:18:33,487 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-09 03:18:33,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:18:33 BoogieIcfgContainer [2024-11-09 03:18:33,488 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:18:33,490 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:18:33,492 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:18:33,496 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:18:33,496 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:18:23" (1/3) ... [2024-11-09 03:18:33,497 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a8e4bba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:18:33, skipping insertion in model container [2024-11-09 03:18:33,497 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:25" (2/3) ... [2024-11-09 03:18:33,497 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a8e4bba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:18:33, skipping insertion in model container [2024-11-09 03:18:33,497 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:18:33" (3/3) ... [2024-11-09 03:18:33,498 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_remove_harness_negated.i [2024-11-09 03:18:33,517 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:18:33,518 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 03:18:33,611 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:18:33,622 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;@37f3da89, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:18:33,623 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 03:18:33,632 INFO L276 IsEmpty]: Start isEmpty. Operand has 469 states, 272 states have (on average 1.2536764705882353) internal successors, (341), 277 states have internal predecessors, (341), 166 states have call successors, (166), 28 states have call predecessors, (166), 28 states have return successors, (166), 166 states have call predecessors, (166), 166 states have call successors, (166) [2024-11-09 03:18:33,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-09 03:18:33,656 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:18:33,657 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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 03:18:33,659 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:18:33,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:18:33,666 INFO L85 PathProgramCache]: Analyzing trace with hash 243777549, now seen corresponding path program 1 times [2024-11-09 03:18:33,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:18:33,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229045891] [2024-11-09 03:18:33,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:18:33,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:18:39,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:40,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:18:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:40,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 03:18:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:40,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:18:40,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:40,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 03:18:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:40,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 03:18:40,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:40,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 03:18:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:40,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 03:18:40,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:40,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 03:18:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:40,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 03:18:40,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:40,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 03:18:40,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:40,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:18:40,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:40,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:18:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:40,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 03:18:40,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:40,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:18:40,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:40,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:18:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:41,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 03:18:41,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:41,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 03:18:41,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:41,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 03:18:41,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:41,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:18:41,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:41,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 03:18:41,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:41,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:18:41,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:41,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-09 03:18:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:41,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 03:18:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:41,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-09 03:18:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:41,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-09 03:18:41,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:41,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 03:18:41,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:41,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 03:18:41,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:41,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-09 03:18:41,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:41,416 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2024-11-09 03:18:41,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:18:41,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229045891] [2024-11-09 03:18:41,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229045891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:18:41,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:18:41,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 03:18:41,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991180993] [2024-11-09 03:18:41,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:18:41,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 03:18:41,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:18:41,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 03:18:41,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-09 03:18:41,463 INFO L87 Difference]: Start difference. First operand has 469 states, 272 states have (on average 1.2536764705882353) internal successors, (341), 277 states have internal predecessors, (341), 166 states have call successors, (166), 28 states have call predecessors, (166), 28 states have return successors, (166), 166 states have call predecessors, (166), 166 states have call successors, (166) Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-09 03:18:45,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:18:49,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:18:54,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:18:58,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:19:19,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:19:19,094 INFO L93 Difference]: Finished difference Result 1346 states and 2498 transitions. [2024-11-09 03:19:19,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 03:19:19,097 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 171 [2024-11-09 03:19:19,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:19:19,133 INFO L225 Difference]: With dead ends: 1346 [2024-11-09 03:19:19,133 INFO L226 Difference]: Without dead ends: 898 [2024-11-09 03:19:19,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-09 03:19:19,153 INFO L432 NwaCegarLoop]: 594 mSDtfsCounter, 866 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 975 mSolverCounterSat, 1332 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 938 SdHoareTripleChecker+Valid, 1207 SdHoareTripleChecker+Invalid, 2311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1332 IncrementalHoareTripleChecker+Valid, 975 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.2s IncrementalHoareTripleChecker+Time [2024-11-09 03:19:19,157 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [938 Valid, 1207 Invalid, 2311 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1332 Valid, 975 Invalid, 4 Unknown, 0 Unchecked, 36.2s Time] [2024-11-09 03:19:19,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2024-11-09 03:19:19,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 462. [2024-11-09 03:19:19,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 267 states have (on average 1.2172284644194757) internal successors, (325), 270 states have internal predecessors, (325), 166 states have call successors, (166), 28 states have call predecessors, (166), 27 states have return successors, (164), 164 states have call predecessors, (164), 164 states have call successors, (164) [2024-11-09 03:19:19,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 655 transitions. [2024-11-09 03:19:19,341 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 655 transitions. Word has length 171 [2024-11-09 03:19:19,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:19:19,351 INFO L471 AbstractCegarLoop]: Abstraction has 462 states and 655 transitions. [2024-11-09 03:19:19,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-09 03:19:19,351 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 655 transitions. [2024-11-09 03:19:19,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-09 03:19:19,364 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:19:19,367 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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 03:19:19,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 03:19:19,367 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:19:19,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:19:19,368 INFO L85 PathProgramCache]: Analyzing trace with hash 426920926, now seen corresponding path program 1 times [2024-11-09 03:19:19,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:19:19,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647372113] [2024-11-09 03:19:19,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:19:19,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:19:23,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:25,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:19:25,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:25,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 03:19:25,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:25,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:19:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:25,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 03:19:25,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:25,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 03:19:25,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:25,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 03:19:25,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:25,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 03:19:25,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:25,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 03:19:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:25,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 03:19:25,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:25,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 03:19:25,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:25,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:19:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:25,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:19:25,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:26,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 03:19:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:26,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:19:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:26,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:19:26,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:26,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 03:19:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:27,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 03:19:27,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:27,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 03:19:27,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:27,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:19:27,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:27,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 03:19:27,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:27,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:19:27,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:27,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-09 03:19:27,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:27,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 03:19:27,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:27,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-09 03:19:27,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:27,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-09 03:19:27,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:27,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 03:19:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:27,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 03:19:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:27,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-09 03:19:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:27,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-09 03:19:27,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:27,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-09 03:19:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:27,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-09 03:19:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:27,437 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2024-11-09 03:19:27,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:19:27,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647372113] [2024-11-09 03:19:27,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647372113] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 03:19:27,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [765416278] [2024-11-09 03:19:27,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:19:27,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 03:19:27,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:19:27,443 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 03:19:27,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 03:19:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:32,867 INFO L255 TraceCheckSpWp]: Trace formula consists of 4598 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 03:19:32,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 03:19:34,964 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-09 03:19:34,965 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 03:19:34,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [765416278] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:19:34,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 03:19:34,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-09 03:19:34,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888360058] [2024-11-09 03:19:34,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:19:34,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 03:19:34,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:19:34,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 03:19:34,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-09 03:19:34,974 INFO L87 Difference]: Start difference. First operand 462 states and 655 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-09 03:19:40,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:19:40,565 INFO L93 Difference]: Finished difference Result 875 states and 1259 transitions. [2024-11-09 03:19:40,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 03:19:40,566 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 186 [2024-11-09 03:19:40,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:19:40,572 INFO L225 Difference]: With dead ends: 875 [2024-11-09 03:19:40,572 INFO L226 Difference]: Without dead ends: 464 [2024-11-09 03:19:40,576 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-09 03:19:40,577 INFO L432 NwaCegarLoop]: 582 mSDtfsCounter, 663 mSDsluCounter, 1679 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 674 SdHoareTripleChecker+Valid, 2261 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-09 03:19:40,577 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [674 Valid, 2261 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2024-11-09 03:19:40,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2024-11-09 03:19:40,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464. [2024-11-09 03:19:40,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 268 states have (on average 1.2164179104477613) internal successors, (326), 272 states have internal predecessors, (326), 166 states have call successors, (166), 28 states have call predecessors, (166), 28 states have return successors, (177), 164 states have call predecessors, (177), 164 states have call successors, (177) [2024-11-09 03:19:40,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 669 transitions. [2024-11-09 03:19:40,691 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 669 transitions. Word has length 186 [2024-11-09 03:19:40,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:19:40,693 INFO L471 AbstractCegarLoop]: Abstraction has 464 states and 669 transitions. [2024-11-09 03:19:40,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-09 03:19:40,694 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 669 transitions. [2024-11-09 03:19:40,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-09 03:19:40,700 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:19:40,700 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2024-11-09 03:19:40,731 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 03:19:40,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 03:19:40,902 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:19:40,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:19:40,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1996843012, now seen corresponding path program 1 times [2024-11-09 03:19:40,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:19:40,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468241207] [2024-11-09 03:19:40,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:19:40,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:19:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:46,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:19:46,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:46,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 03:19:46,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:46,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:19:46,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:46,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 03:19:46,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:46,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 03:19:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:46,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 03:19:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:46,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 03:19:46,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:46,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 03:19:46,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:46,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 03:19:46,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat