./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.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 dfa651ad1a3815b71299318434192d50e4a949decdd541c310285fbc30ab43ee --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 14:21:55,414 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 14:21:55,478 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 14:21:55,485 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 14:21:55,487 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 14:21:55,509 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 14:21:55,509 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 14:21:55,510 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 14:21:55,510 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 14:21:55,511 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 14:21:55,511 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 14:21:55,513 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 14:21:55,514 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 14:21:55,516 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 14:21:55,516 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 14:21:55,516 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 14:21:55,517 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 14:21:55,517 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 14:21:55,517 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 14:21:55,518 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 14:21:55,521 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 14:21:55,522 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 14:21:55,522 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 14:21:55,522 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 14:21:55,522 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 14:21:55,523 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 14:21:55,523 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 14:21:55,523 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 14:21:55,523 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 14:21:55,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:21:55,524 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 14:21:55,524 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 14:21:55,524 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 14:21:55,524 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 14:21:55,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 14:21:55,525 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 14:21:55,528 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 14:21:55,528 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 14:21:55,529 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 14:21:55,529 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfa651ad1a3815b71299318434192d50e4a949decdd541c310285fbc30ab43ee [2024-11-22 14:21:55,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 14:21:55,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 14:21:55,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 14:21:55,860 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 14:21:55,861 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 14:21:55,862 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i [2024-11-22 14:21:57,215 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 14:21:57,704 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 14:21:57,705 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i [2024-11-22 14:21:57,742 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d45cd61f8/aa6b4d9c06e5421e9dbdbcea64792fc5/FLAG4a0c39e16 [2024-11-22 14:21:57,778 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d45cd61f8/aa6b4d9c06e5421e9dbdbcea64792fc5 [2024-11-22 14:21:57,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 14:21:57,783 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 14:21:57,785 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 14:21:57,787 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 14:21:57,792 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 14:21:57,792 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:21:57" (1/1) ... [2024-11-22 14:21:57,793 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@665662f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:21:57, skipping insertion in model container [2024-11-22 14:21:57,793 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:21:57" (1/1) ... [2024-11-22 14:21:57,873 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 14:21:58,149 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_push_ref_harness.i[4501,4514] [2024-11-22 14:21:58,158 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_push_ref_harness.i[4561,4574] [2024-11-22 14:21:58,803 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:58,804 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:58,804 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:58,805 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:58,806 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:58,825 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:58,826 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:58,828 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:58,828 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:58,830 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:58,831 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:58,831 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:58,832 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,249 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,255 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,327 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,328 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,329 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,329 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,329 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,329 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,330 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,331 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,331 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,331 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,331 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,332 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,332 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,337 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,338 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,338 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,338 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,343 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,344 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,354 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,359 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,359 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:21:59,435 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 14:21:59,452 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_push_ref_harness.i[4501,4514] [2024-11-22 14:21:59,457 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_push_ref_harness.i[4561,4574] [2024-11-22 14:21:59,534 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,535 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,535 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,536 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,536 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,541 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,542 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,542 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,543 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,543 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,544 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,544 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,545 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,605 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,609 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,614 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7771-7782] [2024-11-22 14:21:59,630 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,631 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,631 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,631 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,631 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,632 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,632 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,632 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,633 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,633 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,633 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,633 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,634 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,634 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,635 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,635 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,635 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,637 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,637 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,641 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,642 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,642 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:21:59,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:21:59,832 INFO L204 MainTranslator]: Completed translation [2024-11-22 14:21:59,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:21:59 WrapperNode [2024-11-22 14:21:59,833 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 14:21:59,834 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 14:21:59,834 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 14:21:59,834 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 14:21:59,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:21:59" (1/1) ... [2024-11-22 14:21:59,921 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:21:59" (1/1) ... [2024-11-22 14:22:00,010 INFO L138 Inliner]: procedures = 686, calls = 1892, calls flagged for inlining = 57, calls inlined = 17, statements flattened = 1177 [2024-11-22 14:22:00,010 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 14:22:00,012 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 14:22:00,012 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 14:22:00,012 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 14:22:00,024 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:21:59" (1/1) ... [2024-11-22 14:22:00,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:21:59" (1/1) ... [2024-11-22 14:22:00,039 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:21:59" (1/1) ... [2024-11-22 14:22:00,169 INFO L175 MemorySlicer]: Split 384 memory accesses to 6 slices as follows [24, 2, 238, 9, 7, 104]. 62 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [5, 2, 6, 1, 2, 0]. The 268 writes are split as follows [8, 0, 232, 1, 1, 26]. [2024-11-22 14:22:00,170 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:21:59" (1/1) ... [2024-11-22 14:22:00,170 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:21:59" (1/1) ... [2024-11-22 14:22:00,227 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:21:59" (1/1) ... [2024-11-22 14:22:00,238 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:21:59" (1/1) ... [2024-11-22 14:22:00,263 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:21:59" (1/1) ... [2024-11-22 14:22:00,273 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:21:59" (1/1) ... [2024-11-22 14:22:00,287 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 14:22:00,288 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 14:22:00,288 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 14:22:00,288 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 14:22:00,290 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:21:59" (1/1) ... [2024-11-22 14:22:00,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:22:00,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:22:00,331 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) [2024-11-22 14:22:00,337 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 [2024-11-22 14:22:00,385 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2024-11-22 14:22:00,386 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2024-11-22 14:22:00,386 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_init_dynamic [2024-11-22 14:22:00,386 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_init_dynamic [2024-11-22 14:22:00,386 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-22 14:22:00,386 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-22 14:22:00,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 14:22:00,387 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-22 14:22:00,387 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-22 14:22:00,387 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-22 14:22:00,387 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-22 14:22:00,387 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-22 14:22:00,388 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-22 14:22:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-22 14:22:00,388 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-22 14:22:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2024-11-22 14:22:00,389 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2024-11-22 14:22:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 14:22:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 14:22:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 14:22:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 14:22:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 14:22:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-22 14:22:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 14:22:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 14:22:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 14:22:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 14:22:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 14:22:00,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 14:22:00,392 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-22 14:22:00,392 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-22 14:22:00,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 14:22:00,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 14:22:00,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 14:22:00,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 14:22:00,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 14:22:00,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 14:22:00,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 14:22:00,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 14:22:00,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 14:22:00,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-22 14:22:00,393 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2024-11-22 14:22:00,393 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2024-11-22 14:22:00,393 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-22 14:22:00,393 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-22 14:22:00,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 14:22:00,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 14:22:00,393 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-22 14:22:00,394 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-22 14:22:00,394 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-22 14:22:00,394 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-22 14:22:00,394 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-22 14:22:00,394 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-22 14:22:00,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 14:22:00,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 14:22:00,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 14:22:00,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 14:22:00,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 14:22:00,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-22 14:22:00,395 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-22 14:22:00,395 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-22 14:22:00,397 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-22 14:22:00,397 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-22 14:22:00,397 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-22 14:22:00,397 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-22 14:22:00,397 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-22 14:22:00,397 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-22 14:22:00,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-22 14:22:00,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-22 14:22:00,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-22 14:22:00,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-22 14:22:00,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-22 14:22:00,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-22 14:22:00,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-22 14:22:00,401 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-22 14:22:00,401 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-22 14:22:00,401 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-22 14:22:00,401 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-22 14:22:00,402 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-22 14:22:00,402 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 14:22:00,402 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 14:22:00,402 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-22 14:22:00,402 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-22 14:22:00,402 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2024-11-22 14:22:00,402 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2024-11-22 14:22:00,402 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-22 14:22:00,402 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-22 14:22:00,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 14:22:00,403 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-22 14:22:00,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-22 14:22:00,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 14:22:00,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 14:22:00,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 14:22:00,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 14:22:00,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 14:22:00,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-22 14:22:00,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 14:22:00,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 14:22:00,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 14:22:00,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 14:22:00,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-22 14:22:00,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-22 14:22:00,405 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_push_ref [2024-11-22 14:22:00,406 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_push_ref [2024-11-22 14:22:00,406 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2024-11-22 14:22:00,406 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2024-11-22 14:22:00,406 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-22 14:22:00,406 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-22 14:22:00,406 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-22 14:22:00,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-22 14:22:00,407 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-22 14:22:00,407 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-22 14:22:00,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 14:22:00,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 14:22:00,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 14:22:00,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 14:22:00,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 14:22:00,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 14:22:00,409 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-22 14:22:00,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-22 14:22:00,409 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2024-11-22 14:22:00,409 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2024-11-22 14:22:00,409 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-11-22 14:22:00,409 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-11-22 14:22:00,409 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-22 14:22:00,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-22 14:22:00,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 14:22:00,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 14:22:00,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 14:22:00,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 14:22:00,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 14:22:00,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 14:22:00,817 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 14:22:00,821 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 14:22:07,336 INFO L? ?]: Removed 304 outVars from TransFormulas that were not future-live. [2024-11-22 14:22:07,336 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 14:22:07,368 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 14:22:07,368 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-22 14:22:07,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:22:07 BoogieIcfgContainer [2024-11-22 14:22:07,368 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 14:22:07,370 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 14:22:07,370 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 14:22:07,376 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 14:22:07,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:21:57" (1/3) ... [2024-11-22 14:22:07,377 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32e81d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:22:07, skipping insertion in model container [2024-11-22 14:22:07,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:21:59" (2/3) ... [2024-11-22 14:22:07,378 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32e81d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:22:07, skipping insertion in model container [2024-11-22 14:22:07,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:22:07" (3/3) ... [2024-11-22 14:22:07,379 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_push_ref_harness.i [2024-11-22 14:22:07,395 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 14:22:07,395 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-22 14:22:07,486 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 14:22:07,491 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;@45cffb27, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 14:22:07,491 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-22 14:22:07,499 INFO L276 IsEmpty]: Start isEmpty. Operand has 553 states, 317 states have (on average 1.2397476340694007) internal successors, (393), 320 states have internal predecessors, (393), 199 states have call successors, (199), 35 states have call predecessors, (199), 35 states have return successors, (199), 199 states have call predecessors, (199), 199 states have call successors, (199) [2024-11-22 14:22:07,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-22 14:22:07,521 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:22:07,522 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, 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] [2024-11-22 14:22:07,523 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:22:07,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:22:07,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1590182974, now seen corresponding path program 1 times [2024-11-22 14:22:07,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:22:07,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155224207] [2024-11-22 14:22:07,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:22:07,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:22:13,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:22:13,969 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2024-11-22 14:22:13,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:22:13,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155224207] [2024-11-22 14:22:13,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155224207] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:22:13,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [421519683] [2024-11-22 14:22:13,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:22:13,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:22:13,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:22:13,975 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) [2024-11-22 14:22:13,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 14:22:20,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:22:20,141 INFO L255 TraceCheckSpWp]: Trace formula consists of 4662 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 14:22:20,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 14:22:20,198 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2024-11-22 14:22:20,198 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 14:22:20,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [421519683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 14:22:20,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 14:22:20,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-22 14:22:20,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332071082] [2024-11-22 14:22:20,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 14:22:20,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 14:22:20,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 14:22:20,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 14:22:20,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 14:22:20,241 INFO L87 Difference]: Start difference. First operand has 553 states, 317 states have (on average 1.2397476340694007) internal successors, (393), 320 states have internal predecessors, (393), 199 states have call successors, (199), 35 states have call predecessors, (199), 35 states have return successors, (199), 199 states have call predecessors, (199), 199 states have call successors, (199) Second operand has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-22 14:22:20,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 14:22:20,356 INFO L93 Difference]: Finished difference Result 1078 states and 1682 transitions. [2024-11-22 14:22:20,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 14:22:20,359 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 192 [2024-11-22 14:22:20,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 14:22:20,377 INFO L225 Difference]: With dead ends: 1078 [2024-11-22 14:22:20,378 INFO L226 Difference]: Without dead ends: 546 [2024-11-22 14:22:20,394 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 14:22:20,398 INFO L432 NwaCegarLoop]: 781 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 14:22:20,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 14:22:20,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2024-11-22 14:22:20,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 546. [2024-11-22 14:22:20,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 311 states have (on average 1.2218649517684887) internal successors, (380), 313 states have internal predecessors, (380), 199 states have call successors, (199), 35 states have call predecessors, (199), 34 states have return successors, (197), 197 states have call predecessors, (197), 197 states have call successors, (197) [2024-11-22 14:22:20,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 776 transitions. [2024-11-22 14:22:20,503 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 776 transitions. Word has length 192 [2024-11-22 14:22:20,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 14:22:20,505 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 776 transitions. [2024-11-22 14:22:20,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-22 14:22:20,505 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 776 transitions. [2024-11-22 14:22:20,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-22 14:22:20,509 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:22:20,510 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, 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] [2024-11-22 14:22:20,530 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 14:22:20,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-22 14:22:20,711 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:22:20,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:22:20,712 INFO L85 PathProgramCache]: Analyzing trace with hash 783198340, now seen corresponding path program 1 times [2024-11-22 14:22:20,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:22:20,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369356942] [2024-11-22 14:22:20,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:22:20,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:22:25,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:22:27,169 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2024-11-22 14:22:27,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:22:27,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369356942] [2024-11-22 14:22:27,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369356942] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:22:27,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594722925] [2024-11-22 14:22:27,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:22:27,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:22:27,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:22:27,176 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 14:22:27,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 14:22:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:22:32,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 4662 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 14:22:32,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 14:22:33,882 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2024-11-22 14:22:33,882 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 14:22:33,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [594722925] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 14:22:33,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 14:22:33,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2024-11-22 14:22:33,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029986650] [2024-11-22 14:22:33,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 14:22:33,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 14:22:33,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 14:22:33,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 14:22:33,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-22 14:22:33,886 INFO L87 Difference]: Start difference. First operand 546 states and 776 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, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-11-22 14:22:36,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 14:22:36,620 INFO L93 Difference]: Finished difference Result 1046 states and 1498 transitions. [2024-11-22 14:22:36,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 14:22:36,621 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, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 192 [2024-11-22 14:22:36,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 14:22:36,629 INFO L225 Difference]: With dead ends: 1046 [2024-11-22 14:22:36,629 INFO L226 Difference]: Without dead ends: 548 [2024-11-22 14:22:36,632 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-22 14:22:36,634 INFO L432 NwaCegarLoop]: 727 mSDtfsCounter, 764 mSDsluCounter, 2149 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 772 SdHoareTripleChecker+Valid, 2876 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-22 14:22:36,634 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [772 Valid, 2876 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-22 14:22:36,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2024-11-22 14:22:36,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 548. [2024-11-22 14:22:36,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 548 states, 312 states have (on average 1.2211538461538463) internal successors, (381), 315 states have internal predecessors, (381), 199 states have call successors, (199), 35 states have call predecessors, (199), 35 states have return successors, (205), 197 states have call predecessors, (205), 197 states have call successors, (205) [2024-11-22 14:22:36,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 785 transitions. [2024-11-22 14:22:36,782 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 785 transitions. Word has length 192 [2024-11-22 14:22:36,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 14:22:36,784 INFO L471 AbstractCegarLoop]: Abstraction has 548 states and 785 transitions. [2024-11-22 14:22:36,784 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, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-11-22 14:22:36,784 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 785 transitions. [2024-11-22 14:22:36,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-22 14:22:36,791 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:22:36,791 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 4, 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, 1, 1, 1] [2024-11-22 14:22:36,813 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-22 14:22:36,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-22 14:22:36,993 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:22:36,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:22:36,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1731214896, now seen corresponding path program 1 times [2024-11-22 14:22:36,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:22:36,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066397682] [2024-11-22 14:22:36,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:22:36,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:22:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:22:43,538 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2024-11-22 14:22:43,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:22:43,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066397682] [2024-11-22 14:22:43,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066397682] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:22:43,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965475461] [2024-11-22 14:22:43,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:22:43,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:22:43,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:22:43,543 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 14:22:43,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 14:22:48,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:22:49,001 INFO L255 TraceCheckSpWp]: Trace formula consists of 4712 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 14:22:49,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 14:22:50,623 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2024-11-22 14:22:50,623 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 14:22:50,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965475461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 14:22:50,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 14:22:50,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2024-11-22 14:22:50,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583550082] [2024-11-22 14:22:50,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 14:22:50,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 14:22:50,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 14:22:50,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 14:22:50,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-22 14:22:50,629 INFO L87 Difference]: Start difference. First operand 548 states and 785 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2024-11-22 14:22:55,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 14:22:55,402 INFO L93 Difference]: Finished difference Result 1069 states and 1574 transitions. [2024-11-22 14:22:55,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 14:22:55,403 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 200 [2024-11-22 14:22:55,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 14:22:55,412 INFO L225 Difference]: With dead ends: 1069 [2024-11-22 14:22:55,412 INFO L226 Difference]: Without dead ends: 569 [2024-11-22 14:22:55,416 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-22 14:22:55,418 INFO L432 NwaCegarLoop]: 727 mSDtfsCounter, 35 mSDsluCounter, 3511 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 4238 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-22 14:22:55,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 4238 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-11-22 14:22:55,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2024-11-22 14:22:55,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 567. [2024-11-22 14:22:55,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 328 states have (on average 1.228658536585366) internal successors, (403), 331 states have internal predecessors, (403), 201 states have call successors, (201), 35 states have call predecessors, (201), 36 states have return successors, (239), 200 states have call predecessors, (239), 199 states have call successors, (239) [2024-11-22 14:22:55,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 843 transitions. [2024-11-22 14:22:55,462 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 843 transitions. Word has length 200 [2024-11-22 14:22:55,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 14:22:55,464 INFO L471 AbstractCegarLoop]: Abstraction has 567 states and 843 transitions. [2024-11-22 14:22:55,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2024-11-22 14:22:55,464 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 843 transitions. [2024-11-22 14:22:55,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-22 14:22:55,467 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:22:55,467 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 14:22:55,489 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 14:22:55,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:22:55,668 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:22:55,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:22:55,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1828542362, now seen corresponding path program 1 times [2024-11-22 14:22:55,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:22:55,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340843574] [2024-11-22 14:22:55,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:22:55,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:23:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:23:01,800 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2024-11-22 14:23:01,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:23:01,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340843574] [2024-11-22 14:23:01,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340843574] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:23:01,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1050754917] [2024-11-22 14:23:01,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:23:01,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:23:01,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:23:01,806 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 14:23:01,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 14:23:07,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:23:07,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 4839 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 14:23:07,683 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 14:23:09,077 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2024-11-22 14:23:09,077 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 14:23:09,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1050754917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 14:23:09,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 14:23:09,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-11-22 14:23:09,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730149387] [2024-11-22 14:23:09,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 14:23:09,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 14:23:09,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 14:23:09,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 14:23:09,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-22 14:23:09,080 INFO L87 Difference]: Start difference. First operand 567 states and 843 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-22 14:23:13,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 14:23:13,095 INFO L93 Difference]: Finished difference Result 1092 states and 1643 transitions. [2024-11-22 14:23:13,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 14:23:13,096 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 215 [2024-11-22 14:23:13,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 14:23:13,106 INFO L225 Difference]: With dead ends: 1092 [2024-11-22 14:23:13,106 INFO L226 Difference]: Without dead ends: 573 [2024-11-22 14:23:13,110 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-11-22 14:23:13,111 INFO L432 NwaCegarLoop]: 719 mSDtfsCounter, 780 mSDsluCounter, 2818 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 788 SdHoareTripleChecker+Valid, 3537 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-22 14:23:13,112 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [788 Valid, 3537 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-22 14:23:13,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2024-11-22 14:23:13,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 567. [2024-11-22 14:23:13,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 328 states have (on average 1.228658536585366) internal successors, (403), 331 states have internal predecessors, (403), 201 states have call successors, (201), 35 states have call predecessors, (201), 36 states have return successors, (239), 200 states have call predecessors, (239), 199 states have call successors, (239) [2024-11-22 14:23:13,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 843 transitions. [2024-11-22 14:23:13,149 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 843 transitions. Word has length 215 [2024-11-22 14:23:13,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 14:23:13,150 INFO L471 AbstractCegarLoop]: Abstraction has 567 states and 843 transitions. [2024-11-22 14:23:13,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-22 14:23:13,151 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 843 transitions. [2024-11-22 14:23:13,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-11-22 14:23:13,154 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:23:13,155 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 14:23:13,181 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-22 14:23:13,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:23:13,356 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:23:13,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:23:13,356 INFO L85 PathProgramCache]: Analyzing trace with hash -497043457, now seen corresponding path program 1 times [2024-11-22 14:23:13,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:23:13,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825311248] [2024-11-22 14:23:13,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:23:13,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:23:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:23:19,962 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2024-11-22 14:23:19,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:23:19,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825311248] [2024-11-22 14:23:19,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825311248] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:23:19,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1095560679] [2024-11-22 14:23:19,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:23:19,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:23:19,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:23:19,965 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 14:23:19,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process