./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc 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_pop_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 c5ce5ecaf845e6855240a1053cf9bb98448187512cca05d9c176538088e49244 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:21:11,198 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:21:11,285 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:21:11,293 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:21:11,294 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:21:11,330 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:21:11,332 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:21:11,332 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:21:11,333 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:21:11,333 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:21:11,334 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:21:11,334 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:21:11,335 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:21:11,335 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:21:11,336 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:21:11,336 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:21:11,336 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:21:11,337 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:21:11,337 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:21:11,337 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:21:11,338 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:21:11,341 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:21:11,342 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:21:11,342 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:21:11,342 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:21:11,343 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:21:11,343 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:21:11,343 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:21:11,344 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:21:11,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:21:11,344 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:21:11,344 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:21:11,345 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:21:11,345 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:21:11,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:21:11,346 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:21:11,346 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:21:11,346 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:21:11,347 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:21:11,347 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5ce5ecaf845e6855240a1053cf9bb98448187512cca05d9c176538088e49244 [2024-11-19 02:21:11,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:21:11,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:21:11,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:21:11,689 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:21:11,690 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:21:11,691 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.i [2024-11-19 02:21:13,254 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:21:13,703 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:21:13,704 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness_negated.i [2024-11-19 02:21:13,746 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cd09d4c6/f501cf27742d4a0ca627d3044a838418/FLAGbabdfc458 [2024-11-19 02:21:13,764 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cd09d4c6/f501cf27742d4a0ca627d3044a838418 [2024-11-19 02:21:13,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:21:13,768 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:21:13,770 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:21:13,771 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:21:13,776 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:21:13,777 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:21:13" (1/1) ... [2024-11-19 02:21:13,778 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@778ee43e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:13, skipping insertion in model container [2024-11-19 02:21:13,778 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:21:13" (1/1) ... [2024-11-19 02:21:13,898 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:21:14,220 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_pop_harness_negated.i[4496,4509] [2024-11-19 02:21:14,229 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_pop_harness_negated.i[4556,4569] [2024-11-19 02:21:14,920 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,921 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,921 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,922 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,923 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,938 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,939 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,941 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,942 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,947 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,948 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,949 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,951 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,392 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,403 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,493 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,494 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,495 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,495 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,495 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,496 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,496 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,497 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,497 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,497 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,498 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,498 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,498 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,503 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,505 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,506 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,506 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,513 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,514 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,523 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,525 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,526 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:21:15,592 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:21:15,606 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_pop_harness_negated.i[4496,4509] [2024-11-19 02:21:15,607 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_pop_harness_negated.i[4556,4569] [2024-11-19 02:21:15,668 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,669 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,671 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,672 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,672 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,682 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,685 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,685 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,686 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,687 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,687 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,688 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,688 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,808 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,812 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,822 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7739-7750] [2024-11-19 02:21:15,845 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,846 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,846 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,846 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,846 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,847 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,847 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,848 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,848 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,848 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,848 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,849 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,849 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,850 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,850 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,850 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,850 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,852 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,853 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,857 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,858 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,859 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:21:16,116 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:21:16,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:16 WrapperNode [2024-11-19 02:21:16,117 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:21:16,118 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:21:16,118 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:21:16,118 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:21:16,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:16" (1/1) ... [2024-11-19 02:21:16,206 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:16" (1/1) ... [2024-11-19 02:21:16,296 INFO L138 Inliner]: procedures = 686, calls = 1930, calls flagged for inlining = 59, calls inlined = 15, statements flattened = 1062 [2024-11-19 02:21:16,301 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:21:16,302 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:21:16,302 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:21:16,302 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:21:16,315 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:16" (1/1) ... [2024-11-19 02:21:16,315 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:16" (1/1) ... [2024-11-19 02:21:16,330 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:16" (1/1) ... [2024-11-19 02:21:16,472 INFO L175 MemorySlicer]: Split 392 memory accesses to 6 slices as follows [2, 17, 3, 13, 96, 261]. 67 percent of accesses are in the largest equivalence class. The 30 initializations are split as follows [2, 4, 1, 11, 0, 12]. The 262 writes are split as follows [0, 3, 1, 0, 18, 240]. [2024-11-19 02:21:16,473 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:16" (1/1) ... [2024-11-19 02:21:16,473 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:16" (1/1) ... [2024-11-19 02:21:16,542 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:16" (1/1) ... [2024-11-19 02:21:16,552 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:16" (1/1) ... [2024-11-19 02:21:16,576 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:16" (1/1) ... [2024-11-19 02:21:16,591 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:16" (1/1) ... [2024-11-19 02:21:16,615 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:21:16,616 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:21:16,617 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:21:16,617 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:21:16,618 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:16" (1/1) ... [2024-11-19 02:21:16,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:21:16,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:21:16,705 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) [2024-11-19 02:21:16,708 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 [2024-11-19 02:21:16,827 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2024-11-19 02:21:16,829 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2024-11-19 02:21:16,829 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-19 02:21:16,829 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-19 02:21:16,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:21:16,830 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-19 02:21:16,830 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-19 02:21:16,830 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-19 02:21:16,831 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-19 02:21:16,831 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:21:16,831 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:21:16,832 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2024-11-19 02:21:16,832 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2024-11-19 02:21:16,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:21:16,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:21:16,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:21:16,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:21:16,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:21:16,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 02:21:16,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:21:16,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:21:16,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:21:16,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:21:16,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:21:16,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 02:21:16,833 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-19 02:21:16,833 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-19 02:21:16,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:21:16,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:21:16,834 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2024-11-19 02:21:16,834 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2024-11-19 02:21:16,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:21:16,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:21:16,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:21:16,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:21:16,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:21:16,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:21:16,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:21:16,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 02:21:16,834 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2024-11-19 02:21:16,834 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2024-11-19 02:21:16,835 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-19 02:21:16,835 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-19 02:21:16,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:21:16,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:21:16,835 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:21:16,835 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:21:16,835 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-19 02:21:16,835 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-19 02:21:16,835 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-19 02:21:16,835 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-19 02:21:16,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:21:16,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:21:16,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:21:16,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:21:16,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:21:16,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 02:21:16,836 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-19 02:21:16,836 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-19 02:21:16,836 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-19 02:21:16,836 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-19 02:21:16,841 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-19 02:21:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-19 02:21:16,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-19 02:21:16,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-19 02:21:16,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-19 02:21:16,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-19 02:21:16,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-19 02:21:16,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-19 02:21:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-19 02:21:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-19 02:21:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-19 02:21:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-19 02:21:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-19 02:21:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-19 02:21:16,842 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:21:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:21:16,843 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-19 02:21:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-19 02:21:16,843 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2024-11-19 02:21:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2024-11-19 02:21:16,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:21:16,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:21:16,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:21:16,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:21:16,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:21:16,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:21:16,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 02:21:16,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:21:16,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:21:16,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:21:16,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:21:16,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:21:16,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 02:21:16,844 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2024-11-19 02:21:16,844 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2024-11-19 02:21:16,844 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-19 02:21:16,844 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-19 02:21:16,844 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-19 02:21:16,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-19 02:21:16,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:21:16,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:21:16,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:21:16,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:21:16,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:21:16,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 02:21:16,845 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-19 02:21:16,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-19 02:21:16,845 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-11-19 02:21:16,846 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-11-19 02:21:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-19 02:21:16,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-19 02:21:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:21:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:21:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:21:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:21:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:21:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 02:21:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2024-11-19 02:21:16,847 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2024-11-19 02:21:17,261 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:21:17,264 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:21:24,041 INFO L? ?]: Removed 258 outVars from TransFormulas that were not future-live. [2024-11-19 02:21:24,041 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:21:24,074 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:21:24,074 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-19 02:21:24,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:21:24 BoogieIcfgContainer [2024-11-19 02:21:24,075 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:21:24,082 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:21:24,082 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:21:24,087 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:21:24,087 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:21:13" (1/3) ... [2024-11-19 02:21:24,087 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3132dd35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:21:24, skipping insertion in model container [2024-11-19 02:21:24,088 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:16" (2/3) ... [2024-11-19 02:21:24,089 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3132dd35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:21:24, skipping insertion in model container [2024-11-19 02:21:24,089 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:21:24" (3/3) ... [2024-11-19 02:21:24,090 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_pop_harness_negated.i [2024-11-19 02:21:24,107 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:21:24,107 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 02:21:24,194 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:21:24,203 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;@747bce9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:21:24,203 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-19 02:21:24,209 INFO L276 IsEmpty]: Start isEmpty. Operand has 457 states, 265 states have (on average 1.2452830188679245) internal successors, (330), 268 states have internal predecessors, (330), 162 states have call successors, (162), 28 states have call predecessors, (162), 28 states have return successors, (162), 162 states have call predecessors, (162), 162 states have call successors, (162) [2024-11-19 02:21:24,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-19 02:21:24,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:21:24,231 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:21:24,231 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:21:24,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:21:24,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1039494375, now seen corresponding path program 1 times [2024-11-19 02:21:24,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:21:24,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252973361] [2024-11-19 02:21:24,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:21:24,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:21:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:21:30,108 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-11-19 02:21:30,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:21:30,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252973361] [2024-11-19 02:21:30,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252973361] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:21:30,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184739477] [2024-11-19 02:21:30,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:21:30,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:21:30,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:21:30,113 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) [2024-11-19 02:21:30,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 02:21:36,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:21:36,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 4537 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 02:21:36,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 02:21:36,265 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-11-19 02:21:36,265 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 02:21:36,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [184739477] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:21:36,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 02:21:36,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-19 02:21:36,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824673157] [2024-11-19 02:21:36,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:21:36,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 02:21:36,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:21:36,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 02:21:36,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 02:21:36,300 INFO L87 Difference]: Start difference. First operand has 457 states, 265 states have (on average 1.2452830188679245) internal successors, (330), 268 states have internal predecessors, (330), 162 states have call successors, (162), 28 states have call predecessors, (162), 28 states have return successors, (162), 162 states have call predecessors, (162), 162 states have call successors, (162) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-19 02:21:36,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:21:36,395 INFO L93 Difference]: Finished difference Result 886 states and 1399 transitions. [2024-11-19 02:21:36,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 02:21:36,398 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 163 [2024-11-19 02:21:36,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:21:36,414 INFO L225 Difference]: With dead ends: 886 [2024-11-19 02:21:36,414 INFO L226 Difference]: Without dead ends: 450 [2024-11-19 02:21:36,430 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 02:21:36,435 INFO L432 NwaCegarLoop]: 643 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, 643 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 [2024-11-19 02:21:36,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 643 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 02:21:36,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2024-11-19 02:21:36,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2024-11-19 02:21:36,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 259 states have (on average 1.22007722007722) internal successors, (316), 262 states have internal predecessors, (316), 162 states have call successors, (162), 28 states have call predecessors, (162), 27 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2024-11-19 02:21:36,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 638 transitions. [2024-11-19 02:21:36,554 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 638 transitions. Word has length 163 [2024-11-19 02:21:36,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:21:36,557 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 638 transitions. [2024-11-19 02:21:36,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-19 02:21:36,558 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 638 transitions. [2024-11-19 02:21:36,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-19 02:21:36,565 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:21:36,566 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:21:36,595 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 02:21:36,769 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 [2024-11-19 02:21:36,770 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:21:36,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:21:36,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1287744279, now seen corresponding path program 1 times [2024-11-19 02:21:36,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:21:36,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424636589] [2024-11-19 02:21:36,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:21:36,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:21:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:21:43,747 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2024-11-19 02:21:43,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:21:43,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424636589] [2024-11-19 02:21:43,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424636589] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:21:43,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1129268582] [2024-11-19 02:21:43,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:21:43,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:21:43,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:21:43,754 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) [2024-11-19 02:21:43,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 02:21:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:21:49,615 INFO L255 TraceCheckSpWp]: Trace formula consists of 4537 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 02:21:49,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 02:21:50,759 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-19 02:21:50,759 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 02:21:50,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1129268582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:21:50,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 02:21:50,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2024-11-19 02:21:50,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557613414] [2024-11-19 02:21:50,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:21:50,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 02:21:50,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:21:50,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 02:21:50,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-19 02:21:50,763 INFO L87 Difference]: Start difference. First operand 450 states and 638 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-19 02:21:54,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:21:54,627 INFO L93 Difference]: Finished difference Result 851 states and 1225 transitions. [2024-11-19 02:21:54,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 02:21:54,628 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 163 [2024-11-19 02:21:54,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:21:54,636 INFO L225 Difference]: With dead ends: 851 [2024-11-19 02:21:54,637 INFO L226 Difference]: Without dead ends: 452 [2024-11-19 02:21:54,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-19 02:21:54,640 INFO L432 NwaCegarLoop]: 569 mSDtfsCounter, 641 mSDsluCounter, 1649 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 652 SdHoareTripleChecker+Valid, 2218 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-19 02:21:54,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [652 Valid, 2218 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-19 02:21:54,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2024-11-19 02:21:54,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 452. [2024-11-19 02:21:54,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 260 states have (on average 1.2192307692307693) internal successors, (317), 264 states have internal predecessors, (317), 162 states have call successors, (162), 28 states have call predecessors, (162), 28 states have return successors, (173), 160 states have call predecessors, (173), 160 states have call successors, (173) [2024-11-19 02:21:54,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 652 transitions. [2024-11-19 02:21:54,685 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 652 transitions. Word has length 163 [2024-11-19 02:21:54,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:21:54,686 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 652 transitions. [2024-11-19 02:21:54,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-19 02:21:54,686 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 652 transitions. [2024-11-19 02:21:54,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-19 02:21:54,691 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:21:54,691 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 3, 3, 3, 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] [2024-11-19 02:21:54,723 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 02:21:54,892 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 [2024-11-19 02:21:54,893 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:21:54,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:21:54,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1058970457, now seen corresponding path program 1 times [2024-11-19 02:21:54,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:21:54,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271364551] [2024-11-19 02:21:54,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:21:54,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:21:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:22:01,000 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-11-19 02:22:01,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:22:01,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271364551] [2024-11-19 02:22:01,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271364551] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:22:01,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794303627] [2024-11-19 02:22:01,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:22:01,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:22:01,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:22:01,003 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) [2024-11-19 02:22:01,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 02:22:06,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:22:06,350 INFO L255 TraceCheckSpWp]: Trace formula consists of 4587 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 02:22:06,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 02:22:08,131 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-19 02:22:08,131 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 02:22:08,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794303627] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:22:08,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 02:22:08,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2024-11-19 02:22:08,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724071399] [2024-11-19 02:22:08,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:22:08,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 02:22:08,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:22:08,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 02:22:08,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-19 02:22:08,134 INFO L87 Difference]: Start difference. First operand 452 states and 652 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2024-11-19 02:22:15,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:22:15,364 INFO L93 Difference]: Finished difference Result 874 states and 1296 transitions. [2024-11-19 02:22:15,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 02:22:15,365 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 171 [2024-11-19 02:22:15,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:22:15,374 INFO L225 Difference]: With dead ends: 874 [2024-11-19 02:22:15,374 INFO L226 Difference]: Without dead ends: 473 [2024-11-19 02:22:15,377 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2024-11-19 02:22:15,378 INFO L432 NwaCegarLoop]: 546 mSDtfsCounter, 691 mSDsluCounter, 2634 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 717 SdHoareTripleChecker+Valid, 3180 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-11-19 02:22:15,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [717 Valid, 3180 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2024-11-19 02:22:15,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2024-11-19 02:22:15,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 471. [2024-11-19 02:22:15,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 276 states have (on average 1.2282608695652173) internal successors, (339), 280 states have internal predecessors, (339), 164 states have call successors, (164), 28 states have call predecessors, (164), 29 states have return successors, (192), 163 states have call predecessors, (192), 162 states have call successors, (192) [2024-11-19 02:22:15,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 695 transitions. [2024-11-19 02:22:15,423 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 695 transitions. Word has length 171 [2024-11-19 02:22:15,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:22:15,424 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 695 transitions. [2024-11-19 02:22:15,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2024-11-19 02:22:15,425 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 695 transitions. [2024-11-19 02:22:15,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-19 02:22:15,429 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:22:15,430 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 3, 3, 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] [2024-11-19 02:22:15,462 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-19 02:22:15,630 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 [2024-11-19 02:22:15,631 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:22:15,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:22:15,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1730757284, now seen corresponding path program 1 times [2024-11-19 02:22:15,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:22:15,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242723905] [2024-11-19 02:22:15,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:22:15,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:22:19,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:22:21,756 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2024-11-19 02:22:21,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:22:21,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242723905] [2024-11-19 02:22:21,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242723905] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:22:21,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600130963] [2024-11-19 02:22:21,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:22:21,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:22:21,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:22:21,761 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) [2024-11-19 02:22:21,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 02:22:27,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:22:27,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 4714 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 02:22:27,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 02:22:28,769 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-19 02:22:28,773 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 02:22:28,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [600130963] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:22:28,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 02:22:28,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-11-19 02:22:28,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854815743] [2024-11-19 02:22:28,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:22:28,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 02:22:28,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:22:28,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 02:22:28,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-19 02:22:28,776 INFO L87 Difference]: Start difference. First operand 471 states and 695 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-19 02:22:33,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:22:33,142 INFO L93 Difference]: Finished difference Result 897 states and 1355 transitions. [2024-11-19 02:22:33,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 02:22:33,143 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 186 [2024-11-19 02:22:33,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:22:33,150 INFO L225 Difference]: With dead ends: 897 [2024-11-19 02:22:33,151 INFO L226 Difference]: Without dead ends: 477 [2024-11-19 02:22:33,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-11-19 02:22:33,155 INFO L432 NwaCegarLoop]: 561 mSDtfsCounter, 657 mSDsluCounter, 2155 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 668 SdHoareTripleChecker+Valid, 2716 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-19 02:22:33,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [668 Valid, 2716 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-19 02:22:33,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2024-11-19 02:22:33,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 471. [2024-11-19 02:22:33,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 276 states have (on average 1.2282608695652173) internal successors, (339), 280 states have internal predecessors, (339), 164 states have call successors, (164), 28 states have call predecessors, (164), 29 states have return successors, (192), 163 states have call predecessors, (192), 162 states have call successors, (192) [2024-11-19 02:22:33,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 695 transitions. [2024-11-19 02:22:33,189 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 695 transitions. Word has length 186 [2024-11-19 02:22:33,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:22:33,190 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 695 transitions. [2024-11-19 02:22:33,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-19 02:22:33,191 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 695 transitions. [2024-11-19 02:22:33,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-19 02:22:33,195 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:22:33,195 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 4, 4, 3, 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] [2024-11-19 02:22:33,229 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-19 02:22:33,395 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 [2024-11-19 02:22:33,396 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:22:33,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:22:33,396 INFO L85 PathProgramCache]: Analyzing trace with hash 2126081529, now seen corresponding path program 1 times [2024-11-19 02:22:33,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:22:33,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833665954] [2024-11-19 02:22:33,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:22:33,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms