./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 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_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-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 08:57:10,064 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 08:57:10,140 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-12 08:57:10,146 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 08:57:10,148 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 08:57:10,181 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 08:57:10,182 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 08:57:10,182 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 08:57:10,183 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 08:57:10,184 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 08:57:10,185 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 08:57:10,185 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 08:57:10,186 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 08:57:10,186 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 08:57:10,188 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 08:57:10,189 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 08:57:10,189 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 08:57:10,189 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 08:57:10,189 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 08:57:10,190 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 08:57:10,194 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 08:57:10,195 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 08:57:10,195 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 08:57:10,195 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 08:57:10,196 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 08:57:10,196 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 08:57:10,196 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 08:57:10,196 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 08:57:10,196 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 08:57:10,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:57:10,197 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 08:57:10,197 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 08:57:10,197 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 08:57:10,198 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 08:57:10,198 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 08:57:10,198 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 08:57:10,199 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 08:57:10,199 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 08:57:10,199 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 08:57:10,200 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fafc38909a055846da1b41b1ae706143d92ef6bb742651c374b2236f4f92c5ee [2024-11-12 08:57:10,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 08:57:10,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 08:57:10,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 08:57:10,531 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 08:57:10,532 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 08:57:10,533 INFO L431 ainManager$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 [2024-11-12 08:57:12,136 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 08:57:12,567 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 08:57:12,570 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness_negated.i [2024-11-12 08:57:12,608 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5d9b045b/f62dc1f5547b42ba975735e4ca88f18a/FLAGbd47659f8 [2024-11-12 08:57:12,625 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5d9b045b/f62dc1f5547b42ba975735e4ca88f18a [2024-11-12 08:57:12,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 08:57:12,630 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 08:57:12,633 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 08:57:12,633 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 08:57:12,640 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 08:57:12,640 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:57:12" (1/1) ... [2024-11-12 08:57:12,641 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3274a8e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:12, skipping insertion in model container [2024-11-12 08:57:12,641 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:57:12" (1/1) ... [2024-11-12 08:57:12,744 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 08:57:13,102 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] [2024-11-12 08:57:13,110 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] [2024-11-12 08:57:13,886 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:13,887 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:13,887 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:13,888 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:13,889 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:13,903 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:13,904 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:13,906 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:13,907 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:13,908 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:13,910 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:13,910 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:13,911 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,443 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,450 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,526 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,527 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,528 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,528 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,528 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,529 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,529 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,530 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,530 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,530 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,531 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,531 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,531 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,535 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,536 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,536 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,536 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,539 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,540 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,551 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,552 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,552 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,575 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,575 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,575 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:57:14,626 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 08:57:14,647 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] [2024-11-12 08:57:14,648 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness_negated.i[4559,4572] [2024-11-12 08:57:14,703 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,704 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,705 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,705 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,706 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,719 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,720 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,721 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,722 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,723 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,724 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,725 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,725 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,821 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,827 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7739-7750] [2024-11-12 08:57:14,865 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,866 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,867 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,867 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,868 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,868 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,869 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,869 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,870 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,870 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,873 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,873 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,874 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,874 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,875 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,875 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,875 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,880 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,881 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,886 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,888 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,888 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,899 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,899 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,899 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:14,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:57:15,162 INFO L204 MainTranslator]: Completed translation [2024-11-12 08:57:15,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:15 WrapperNode [2024-11-12 08:57:15,163 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 08:57:15,164 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 08:57:15,164 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 08:57:15,164 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 08:57:15,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:15" (1/1) ... [2024-11-12 08:57:15,261 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:15" (1/1) ... [2024-11-12 08:57:15,396 INFO L138 Inliner]: procedures = 686, calls = 1933, calls flagged for inlining = 59, calls inlined = 15, statements flattened = 1090 [2024-11-12 08:57:15,396 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 08:57:15,397 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 08:57:15,397 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 08:57:15,397 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 08:57:15,409 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:15" (1/1) ... [2024-11-12 08:57:15,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:15" (1/1) ... [2024-11-12 08:57:15,418 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:15" (1/1) ... [2024-11-12 08:57:15,536 INFO L175 MemorySlicer]: Split 396 memory accesses to 6 slices as follows [17, 2, 3, 264, 13, 97]. 67 percent of accesses are in the largest equivalence class. The 30 initializations are split as follows [4, 2, 1, 12, 11, 0]. The 262 writes are split as follows [3, 0, 1, 240, 0, 18]. [2024-11-12 08:57:15,539 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:15" (1/1) ... [2024-11-12 08:57:15,540 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:15" (1/1) ... [2024-11-12 08:57:15,593 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:15" (1/1) ... [2024-11-12 08:57:15,606 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:15" (1/1) ... [2024-11-12 08:57:15,624 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:15" (1/1) ... [2024-11-12 08:57:15,639 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:15" (1/1) ... [2024-11-12 08:57:15,661 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 08:57:15,663 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 08:57:15,664 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 08:57:15,664 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 08:57:15,665 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:15" (1/1) ... [2024-11-12 08:57:15,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:57:15,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:57:15,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 08:57:15,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 08:57:15,754 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2024-11-12 08:57:15,755 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2024-11-12 08:57:15,755 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-12 08:57:15,755 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-12 08:57:15,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 08:57:15,756 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-12 08:57:15,756 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-12 08:57:15,756 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-12 08:57:15,756 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-12 08:57:15,757 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-12 08:57:15,757 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-12 08:57:15,757 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2024-11-12 08:57:15,757 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2024-11-12 08:57:15,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-12 08:57:15,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-12 08:57:15,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-12 08:57:15,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-12 08:57:15,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-12 08:57:15,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-12 08:57:15,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 08:57:15,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 08:57:15,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 08:57:15,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 08:57:15,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 08:57:15,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-12 08:57:15,760 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-12 08:57:15,760 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-12 08:57:15,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 08:57:15,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 08:57:15,760 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2024-11-12 08:57:15,760 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2024-11-12 08:57:15,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 08:57:15,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 08:57:15,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 08:57:15,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 08:57:15,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 08:57:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-12 08:57:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-12 08:57:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-12 08:57:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2024-11-12 08:57:15,762 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2024-11-12 08:57:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-12 08:57:15,762 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-12 08:57:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 08:57:15,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 08:57:15,763 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-12 08:57:15,763 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-12 08:57:15,763 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-12 08:57:15,763 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-12 08:57:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-12 08:57:15,764 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-12 08:57:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-12 08:57:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-12 08:57:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-12 08:57:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-12 08:57:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-12 08:57:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-12 08:57:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-12 08:57:15,764 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-12 08:57:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-12 08:57:15,765 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-12 08:57:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-12 08:57:15,765 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-12 08:57:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-12 08:57:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-12 08:57:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-12 08:57:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-12 08:57:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-12 08:57:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-12 08:57:15,765 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-12 08:57:15,765 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-12 08:57:15,765 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-12 08:57:15,765 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-12 08:57:15,766 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-12 08:57:15,766 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-12 08:57:15,766 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 08:57:15,766 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 08:57:15,766 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-12 08:57:15,766 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-12 08:57:15,766 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2024-11-12 08:57:15,767 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2024-11-12 08:57:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 08:57:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 08:57:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 08:57:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 08:57:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-12 08:57:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-12 08:57:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-12 08:57:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-12 08:57:15,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-12 08:57:15,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-12 08:57:15,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-12 08:57:15,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-12 08:57:15,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-12 08:57:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2024-11-12 08:57:15,770 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2024-11-12 08:57:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-12 08:57:15,770 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-12 08:57:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-12 08:57:15,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-12 08:57:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 08:57:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 08:57:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 08:57:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 08:57:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 08:57:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-12 08:57:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-12 08:57:15,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-12 08:57:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-11-12 08:57:15,772 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-11-12 08:57:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-12 08:57:15,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-12 08:57:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 08:57:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 08:57:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 08:57:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 08:57:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 08:57:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-12 08:57:15,773 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2024-11-12 08:57:15,773 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2024-11-12 08:57:16,138 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 08:57:16,140 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 08:57:22,783 INFO L? ?]: Removed 267 outVars from TransFormulas that were not future-live. [2024-11-12 08:57:22,784 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 08:57:22,820 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 08:57:22,821 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-12 08:57:22,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:57:22 BoogieIcfgContainer [2024-11-12 08:57:22,821 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 08:57:22,823 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 08:57:22,824 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 08:57:22,829 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 08:57:22,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:57:12" (1/3) ... [2024-11-12 08:57:22,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8cb34db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:57:22, skipping insertion in model container [2024-11-12 08:57:22,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:15" (2/3) ... [2024-11-12 08:57:22,831 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8cb34db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:57:22, skipping insertion in model container [2024-11-12 08:57:22,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:57:22" (3/3) ... [2024-11-12 08:57:22,832 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_remove_harness_negated.i [2024-11-12 08:57:22,850 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 08:57:22,850 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-12 08:57:22,938 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 08:57:22,946 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;@7214eb61, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 08:57:22,947 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-12 08:57:22,954 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) [2024-11-12 08:57:22,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-12 08:57:22,976 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:57:22,978 INFO L218 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] [2024-11-12 08:57:22,978 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:57:23,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:57:23,011 INFO L85 PathProgramCache]: Analyzing trace with hash 243777549, now seen corresponding path program 1 times [2024-11-12 08:57:23,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:57:23,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711689159] [2024-11-12 08:57:23,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:57:23,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:57:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:29,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:57:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:29,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 08:57:29,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:29,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 08:57:29,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:29,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 08:57:29,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:29,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 08:57:29,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:29,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 08:57:29,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:29,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 08:57:29,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:29,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 08:57:29,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:29,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 08:57:29,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:30,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 08:57:30,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:30,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:57:30,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:30,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:57:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:30,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 08:57:30,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:30,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:57:30,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:30,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:57:30,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:30,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 08:57:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:30,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-12 08:57:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:30,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 08:57:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:30,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:57:30,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:30,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 08:57:30,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:30,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:57:30,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:30,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 08:57:30,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:30,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 08:57:30,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:30,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 08:57:30,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:30,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 08:57:30,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:30,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-12 08:57:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:30,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-12 08:57:30,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:30,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 08:57:30,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:30,944 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2024-11-12 08:57:30,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:57:30,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711689159] [2024-11-12 08:57:30,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711689159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:57:30,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 08:57:30,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 08:57:30,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283269179] [2024-11-12 08:57:30,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:57:30,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 08:57:30,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:57:30,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 08:57:30,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-12 08:57:30,995 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) [2024-11-12 08:57:35,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 08:57:39,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 08:57:43,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 08:57:48,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.47s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 08:58:09,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 08:58:09,442 INFO L93 Difference]: Finished difference Result 1346 states and 2498 transitions. [2024-11-12 08:58:09,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 08:58:09,446 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 [2024-11-12 08:58:09,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 08:58:09,484 INFO L225 Difference]: With dead ends: 1346 [2024-11-12 08:58:09,485 INFO L226 Difference]: Without dead ends: 898 [2024-11-12 08:58:09,498 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-12 08:58:09,503 INFO L435 NwaCegarLoop]: 575 mSDtfsCounter, 853 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 985 mSolverCounterSat, 1371 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 925 SdHoareTripleChecker+Valid, 1157 SdHoareTripleChecker+Invalid, 2360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1371 IncrementalHoareTripleChecker+Valid, 985 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.0s IncrementalHoareTripleChecker+Time [2024-11-12 08:58:09,504 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [925 Valid, 1157 Invalid, 2360 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1371 Valid, 985 Invalid, 4 Unknown, 0 Unchecked, 37.0s Time] [2024-11-12 08:58:09,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2024-11-12 08:58:09,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 462. [2024-11-12 08:58:09,667 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) [2024-11-12 08:58:09,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 655 transitions. [2024-11-12 08:58:09,685 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 655 transitions. Word has length 171 [2024-11-12 08:58:09,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 08:58:09,687 INFO L471 AbstractCegarLoop]: Abstraction has 462 states and 655 transitions. [2024-11-12 08:58:09,691 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) [2024-11-12 08:58:09,691 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 655 transitions. [2024-11-12 08:58:09,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-12 08:58:09,699 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:58:09,699 INFO L218 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] [2024-11-12 08:58:09,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 08:58:09,702 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:58:09,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:58:09,703 INFO L85 PathProgramCache]: Analyzing trace with hash 426920926, now seen corresponding path program 1 times [2024-11-12 08:58:09,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:58:09,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774127077] [2024-11-12 08:58:09,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:58:09,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:58:14,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:16,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:58:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:16,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 08:58:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:16,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 08:58:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:16,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 08:58:16,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:16,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 08:58:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:16,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 08:58:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:16,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 08:58:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:16,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 08:58:16,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:16,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 08:58:16,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:16,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 08:58:16,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:16,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:58:16,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:16,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:58:16,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:16,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 08:58:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:16,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:58:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:16,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:58:16,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:17,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 08:58:17,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:17,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-12 08:58:17,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:18,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 08:58:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:18,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:58:18,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:18,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-12 08:58:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:18,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:58:18,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:18,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 08:58:18,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:18,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 08:58:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:18,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 08:58:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:18,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 08:58:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:18,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-12 08:58:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:18,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-12 08:58:18,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:18,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 08:58:18,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:18,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 08:58:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:18,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 08:58:18,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:18,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-12 08:58:18,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:18,243 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2024-11-12 08:58:18,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:58:18,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774127077] [2024-11-12 08:58:18,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774127077] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 08:58:18,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [698893849] [2024-11-12 08:58:18,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:58:18,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 08:58:18,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:58:18,251 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) [2024-11-12 08:58:18,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 08:58:24,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:24,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 4598 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 08:58:24,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 08:58:27,245 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-12 08:58:27,249 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 08:58:27,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [698893849] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:58:27,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 08:58:27,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-12 08:58:27,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076192981] [2024-11-12 08:58:27,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:58:27,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 08:58:27,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:58:27,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 08:58:27,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-12 08:58:27,255 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) [2024-11-12 08:58:32,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 08:58:32,882 INFO L93 Difference]: Finished difference Result 875 states and 1259 transitions. [2024-11-12 08:58:32,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 08:58:32,884 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 [2024-11-12 08:58:32,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 08:58:32,892 INFO L225 Difference]: With dead ends: 875 [2024-11-12 08:58:32,893 INFO L226 Difference]: Without dead ends: 464 [2024-11-12 08:58:32,896 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-12 08:58:32,898 INFO L435 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 [2024-11-12 08:58:32,898 INFO L436 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] [2024-11-12 08:58:32,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2024-11-12 08:58:32,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464. [2024-11-12 08:58:32,935 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) [2024-11-12 08:58:32,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 669 transitions. [2024-11-12 08:58:32,941 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 669 transitions. Word has length 186 [2024-11-12 08:58:32,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 08:58:32,943 INFO L471 AbstractCegarLoop]: Abstraction has 464 states and 669 transitions. [2024-11-12 08:58:32,943 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) [2024-11-12 08:58:32,944 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 669 transitions. [2024-11-12 08:58:32,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-12 08:58:32,947 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:58:32,947 INFO L218 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]