./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.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_remove_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 36677182f518398f01d85d4519b98c485dfbc69288769baae64c1b35fbac01e2 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:22:31,793 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:22:31,881 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:22:31,888 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:22:31,889 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:22:31,928 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:22:31,928 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:22:31,929 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:22:31,929 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:22:31,930 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:22:31,931 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:22:31,931 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:22:31,932 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:22:31,934 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:22:31,935 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:22:31,935 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:22:31,935 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:22:31,935 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:22:31,936 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:22:31,936 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:22:31,936 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:22:31,937 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:22:31,937 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:22:31,937 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:22:31,939 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:22:31,939 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:22:31,940 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:22:31,940 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:22:31,940 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:22:31,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:22:31,940 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:22:31,941 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:22:31,941 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:22:31,941 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:22:31,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:22:31,941 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:22:31,942 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:22:31,942 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:22:31,942 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:22:31,944 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36677182f518398f01d85d4519b98c485dfbc69288769baae64c1b35fbac01e2 [2024-11-19 02:22:32,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:22:32,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:22:32,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:22:32,223 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:22:32,223 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:22:32,225 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i [2024-11-19 02:22:33,762 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:22:34,284 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:22:34,285 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i [2024-11-19 02:22:34,339 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5485a5562/d3618a2c9c954986bacf8018f7ef4d0c/FLAG85ce781c8 [2024-11-19 02:22:34,356 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5485a5562/d3618a2c9c954986bacf8018f7ef4d0c [2024-11-19 02:22:34,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:22:34,362 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:22:34,363 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:22:34,364 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:22:34,369 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:22:34,370 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:22:34" (1/1) ... [2024-11-19 02:22:34,371 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a0bc7ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:22:34, skipping insertion in model container [2024-11-19 02:22:34,371 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:22:34" (1/1) ... [2024-11-19 02:22:34,498 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:22:34,814 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i[4499,4512] [2024-11-19 02:22:34,824 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i[4559,4572] [2024-11-19 02:22:35,574 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:35,575 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:35,575 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:35,576 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:35,577 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:35,589 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:35,589 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:35,591 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:35,591 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:35,593 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:35,594 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:35,595 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:35,595 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,073 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,079 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,153 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,154 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,154 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,155 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,155 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,155 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,156 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,157 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,157 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,157 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,157 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,158 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,158 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,161 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,162 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,162 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,162 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,165 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,166 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,173 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,174 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,174 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,191 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,192 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,192 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:22:36,236 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:22:36,253 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i[4499,4512] [2024-11-19 02:22:36,253 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i[4559,4572] [2024-11-19 02:22:36,308 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,310 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,311 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,311 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,312 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,323 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,325 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,326 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,326 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,327 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,328 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,328 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,329 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,477 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,485 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,492 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7771-7782] [2024-11-19 02:22:36,515 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,515 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,516 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,517 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,517 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,517 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,519 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,520 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,520 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,520 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,521 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,521 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,522 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,522 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,523 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,523 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,523 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,525 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,525 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,530 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,531 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,531 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,540 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,540 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,541 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:36,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:22:36,821 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:22:36,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:22:36 WrapperNode [2024-11-19 02:22:36,822 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:22:36,824 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:22:36,824 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:22:36,824 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:22:36,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:22:36" (1/1) ... [2024-11-19 02:22:36,932 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:22:36" (1/1) ... [2024-11-19 02:22:37,038 INFO L138 Inliner]: procedures = 686, calls = 1933, calls flagged for inlining = 59, calls inlined = 15, statements flattened = 1090 [2024-11-19 02:22:37,040 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:22:37,041 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:22:37,041 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:22:37,041 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:22:37,053 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:22:36" (1/1) ... [2024-11-19 02:22:37,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:22:36" (1/1) ... [2024-11-19 02:22:37,072 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:22:36" (1/1) ... [2024-11-19 02:22:37,189 INFO L175 MemorySlicer]: Split 396 memory accesses to 6 slices as follows [2, 3, 17, 97, 13, 264]. 67 percent of accesses are in the largest equivalence class. The 30 initializations are split as follows [2, 1, 4, 0, 11, 12]. The 262 writes are split as follows [0, 1, 3, 18, 0, 240]. [2024-11-19 02:22:37,190 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:22:36" (1/1) ... [2024-11-19 02:22:37,190 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:22:36" (1/1) ... [2024-11-19 02:22:37,252 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:22:36" (1/1) ... [2024-11-19 02:22:37,264 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:22:36" (1/1) ... [2024-11-19 02:22:37,283 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:22:36" (1/1) ... [2024-11-19 02:22:37,304 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:22:36" (1/1) ... [2024-11-19 02:22:37,325 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:22:37,327 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:22:37,327 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:22:37,327 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:22:37,328 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:22:36" (1/1) ... [2024-11-19 02:22:37,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:22:37,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:22:37,368 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 02:22:37,374 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 02:22:37,418 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2024-11-19 02:22:37,419 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2024-11-19 02:22:37,419 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-19 02:22:37,419 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-19 02:22:37,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:22:37,420 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-19 02:22:37,420 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-19 02:22:37,421 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-19 02:22:37,421 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-19 02:22:37,421 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:22:37,421 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:22:37,421 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2024-11-19 02:22:37,421 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2024-11-19 02:22:37,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:22:37,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:22:37,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:22:37,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:22:37,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:22:37,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 02:22:37,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:22:37,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:22:37,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:22:37,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:22:37,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:22:37,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 02:22:37,425 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-19 02:22:37,425 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-19 02:22:37,425 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:22:37,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:22:37,425 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2024-11-19 02:22:37,425 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2024-11-19 02:22:37,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:22:37,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:22:37,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:22:37,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:22:37,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:22:37,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:22:37,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:22:37,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 02:22:37,427 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2024-11-19 02:22:37,427 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2024-11-19 02:22:37,427 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-19 02:22:37,427 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-19 02:22:37,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:22:37,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:22:37,427 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:22:37,427 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:22:37,427 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-19 02:22:37,427 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-19 02:22:37,427 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-19 02:22:37,428 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-19 02:22:37,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:22:37,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:22:37,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:22:37,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:22:37,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:22:37,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 02:22:37,430 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-19 02:22:37,430 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-19 02:22:37,430 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-19 02:22:37,431 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-19 02:22:37,431 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-19 02:22:37,431 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-19 02:22:37,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-19 02:22:37,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-19 02:22:37,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-19 02:22:37,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-19 02:22:37,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-19 02:22:37,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-19 02:22:37,434 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-19 02:22:37,434 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-19 02:22:37,434 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-19 02:22:37,434 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-19 02:22:37,435 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-19 02:22:37,435 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-19 02:22:37,435 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:22:37,435 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:22:37,435 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-19 02:22:37,435 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-19 02:22:37,435 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2024-11-19 02:22:37,435 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2024-11-19 02:22:37,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:22:37,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:22:37,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:22:37,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:22:37,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:22:37,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:22:37,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 02:22:37,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:22:37,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:22:37,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:22:37,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:22:37,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:22:37,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 02:22:37,438 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2024-11-19 02:22:37,438 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2024-11-19 02:22:37,438 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-19 02:22:37,438 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-19 02:22:37,439 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-19 02:22:37,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-19 02:22:37,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:22:37,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:22:37,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:22:37,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:22:37,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:22:37,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 02:22:37,440 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-19 02:22:37,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-19 02:22:37,440 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-11-19 02:22:37,440 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-11-19 02:22:37,441 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-19 02:22:37,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-19 02:22:37,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:22:37,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:22:37,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:22:37,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:22:37,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:22:37,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 02:22:37,443 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2024-11-19 02:22:37,443 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2024-11-19 02:22:37,878 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:22:37,881 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:22:44,637 INFO L? ?]: Removed 267 outVars from TransFormulas that were not future-live. [2024-11-19 02:22:44,637 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:22:44,661 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:22:44,662 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-19 02:22:44,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:22:44 BoogieIcfgContainer [2024-11-19 02:22:44,662 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:22:44,664 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:22:44,665 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:22:44,668 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:22:44,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:22:34" (1/3) ... [2024-11-19 02:22:44,670 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e081f2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:22:44, skipping insertion in model container [2024-11-19 02:22:44,670 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:22:36" (2/3) ... [2024-11-19 02:22:44,670 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e081f2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:22:44, skipping insertion in model container [2024-11-19 02:22:44,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:22:44" (3/3) ... [2024-11-19 02:22:44,672 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_remove_harness.i [2024-11-19 02:22:44,689 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:22:44,690 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 02:22:44,781 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:22:44,789 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;@790907a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:22:44,791 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-19 02:22:44,796 INFO L276 IsEmpty]: Start isEmpty. Operand has 469 states, 272 states have (on average 1.2536764705882353) internal successors, (341), 277 states have internal predecessors, (341), 166 states have call successors, (166), 28 states have call predecessors, (166), 28 states have return successors, (166), 166 states have call predecessors, (166), 166 states have call successors, (166) [2024-11-19 02:22:44,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-19 02:22:44,816 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:22:44,817 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:22:44,817 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:22:44,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:22:44,824 INFO L85 PathProgramCache]: Analyzing trace with hash 243777549, now seen corresponding path program 1 times [2024-11-19 02:22:44,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:22:44,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887128890] [2024-11-19 02:22:44,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:22:44,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:22:50,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:22:51,255 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-11-19 02:22:51,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:22:51,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887128890] [2024-11-19 02:22:51,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887128890] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:22:51,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1633579422] [2024-11-19 02:22:51,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:22:51,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:22:51,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:22:51,260 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 02:22:51,262 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 02:22:57,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:22:57,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 4523 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 02:22:57,369 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 02:22:57,398 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-11-19 02:22:57,398 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 02:22:57,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1633579422] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:22:57,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 02:22:57,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-19 02:22:57,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289733638] [2024-11-19 02:22:57,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:22:57,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 02:22:57,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:22:57,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 02:22:57,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 02:22:57,443 INFO L87 Difference]: Start difference. First operand has 469 states, 272 states have (on average 1.2536764705882353) internal successors, (341), 277 states have internal predecessors, (341), 166 states have call successors, (166), 28 states have call predecessors, (166), 28 states have return successors, (166), 166 states have call predecessors, (166), 166 states have call successors, (166) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-19 02:22:57,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:22:57,532 INFO L93 Difference]: Finished difference Result 910 states and 1440 transitions. [2024-11-19 02:22:57,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 02:22:57,535 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 171 [2024-11-19 02:22:57,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:22:57,554 INFO L225 Difference]: With dead ends: 910 [2024-11-19 02:22:57,554 INFO L226 Difference]: Without dead ends: 462 [2024-11-19 02:22:57,564 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 172 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 02:22:57,568 INFO L432 NwaCegarLoop]: 660 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, 660 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 02:22:57,569 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 660 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 02:22:57,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2024-11-19 02:22:57,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 462. [2024-11-19 02:22:57,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 267 states have (on average 1.2172284644194757) internal successors, (325), 270 states have internal predecessors, (325), 166 states have call successors, (166), 28 states have call predecessors, (166), 27 states have return successors, (164), 164 states have call predecessors, (164), 164 states have call successors, (164) [2024-11-19 02:22:57,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 655 transitions. [2024-11-19 02:22:57,706 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 655 transitions. Word has length 171 [2024-11-19 02:22:57,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:22:57,709 INFO L471 AbstractCegarLoop]: Abstraction has 462 states and 655 transitions. [2024-11-19 02:22:57,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-19 02:22:57,710 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 655 transitions. [2024-11-19 02:22:57,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-19 02:22:57,719 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:22:57,720 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:22:57,747 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 02:22:57,921 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 02:22:57,922 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:22:57,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:22:57,922 INFO L85 PathProgramCache]: Analyzing trace with hash 426920926, now seen corresponding path program 1 times [2024-11-19 02:22:57,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:22:57,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705640555] [2024-11-19 02:22:57,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:22:57,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:23:03,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:23:04,655 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2024-11-19 02:23:04,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:23:04,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705640555] [2024-11-19 02:23:04,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705640555] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:23:04,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [53692184] [2024-11-19 02:23:04,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:23:04,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:23:04,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:23:04,659 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 02:23:04,660 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 02:23:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:23:10,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 4598 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 02:23:10,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 02:23:11,576 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-19 02:23:11,576 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 02:23:11,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [53692184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:23:11,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 02:23:11,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2024-11-19 02:23:11,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614049474] [2024-11-19 02:23:11,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:23:11,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 02:23:11,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:23:11,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 02:23:11,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-19 02:23:11,584 INFO L87 Difference]: Start difference. First operand 462 states and 655 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-19 02:23:15,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:23:15,427 INFO L93 Difference]: Finished difference Result 875 states and 1259 transitions. [2024-11-19 02:23:15,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 02:23:15,428 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 186 [2024-11-19 02:23:15,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:23:15,443 INFO L225 Difference]: With dead ends: 875 [2024-11-19 02:23:15,443 INFO L226 Difference]: Without dead ends: 464 [2024-11-19 02:23:15,447 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-19 02:23:15,451 INFO L432 NwaCegarLoop]: 582 mSDtfsCounter, 663 mSDsluCounter, 1679 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 674 SdHoareTripleChecker+Valid, 2261 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-19 02:23:15,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [674 Valid, 2261 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-19 02:23:15,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2024-11-19 02:23:15,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464. [2024-11-19 02:23:15,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 268 states have (on average 1.2164179104477613) internal successors, (326), 272 states have internal predecessors, (326), 166 states have call successors, (166), 28 states have call predecessors, (166), 28 states have return successors, (177), 164 states have call predecessors, (177), 164 states have call successors, (177) [2024-11-19 02:23:15,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 669 transitions. [2024-11-19 02:23:15,511 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 669 transitions. Word has length 186 [2024-11-19 02:23:15,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:23:15,512 INFO L471 AbstractCegarLoop]: Abstraction has 464 states and 669 transitions. [2024-11-19 02:23:15,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-19 02:23:15,513 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 669 transitions. [2024-11-19 02:23:15,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-19 02:23:15,516 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:23:15,516 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:23:15,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-19 02:23:15,717 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 02:23:15,718 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:23:15,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:23:15,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1996843012, now seen corresponding path program 1 times [2024-11-19 02:23:15,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:23:15,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253777949] [2024-11-19 02:23:15,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:23:15,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:23:19,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:23:21,789 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2024-11-19 02:23:21,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:23:21,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253777949] [2024-11-19 02:23:21,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253777949] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:23:21,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1706126125] [2024-11-19 02:23:21,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:23:21,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:23:21,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:23:21,793 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 02:23:21,794 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 02:23:27,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:23:27,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 4648 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 02:23:27,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 02:23:28,983 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-19 02:23:28,983 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 02:23:28,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1706126125] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:23:28,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 02:23:28,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2024-11-19 02:23:28,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624444731] [2024-11-19 02:23:28,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:23:28,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 02:23:28,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:23:28,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 02:23:28,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-19 02:23:28,986 INFO L87 Difference]: Start difference. First operand 464 states and 669 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2024-11-19 02:23:36,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:23:36,294 INFO L93 Difference]: Finished difference Result 898 states and 1330 transitions. [2024-11-19 02:23:36,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 02:23:36,295 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) Word has length 194 [2024-11-19 02:23:36,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:23:36,301 INFO L225 Difference]: With dead ends: 898 [2024-11-19 02:23:36,301 INFO L226 Difference]: Without dead ends: 485 [2024-11-19 02:23:36,304 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 189 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 02:23:36,305 INFO L432 NwaCegarLoop]: 576 mSDtfsCounter, 696 mSDsluCounter, 2759 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 722 SdHoareTripleChecker+Valid, 3335 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2024-11-19 02:23:36,305 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [722 Valid, 3335 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2024-11-19 02:23:36,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2024-11-19 02:23:36,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 483. [2024-11-19 02:23:36,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 284 states have (on average 1.2253521126760563) internal successors, (348), 288 states have internal predecessors, (348), 168 states have call successors, (168), 28 states have call predecessors, (168), 29 states have return successors, (196), 167 states have call predecessors, (196), 166 states have call successors, (196) [2024-11-19 02:23:36,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 712 transitions. [2024-11-19 02:23:36,342 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 712 transitions. Word has length 194 [2024-11-19 02:23:36,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:23:36,343 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 712 transitions. [2024-11-19 02:23:36,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2024-11-19 02:23:36,344 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 712 transitions. [2024-11-19 02:23:36,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-19 02:23:36,348 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:23:36,348 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:23:36,383 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 02:23:36,549 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 02:23:36,549 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:23:36,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:23:36,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1833641163, now seen corresponding path program 1 times [2024-11-19 02:23:36,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:23:36,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939021389] [2024-11-19 02:23:36,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:23:36,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:23:40,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:23:42,439 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2024-11-19 02:23:42,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:23:42,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939021389] [2024-11-19 02:23:42,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939021389] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:23:42,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1192999820] [2024-11-19 02:23:42,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:23:42,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:23:42,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:23:42,443 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 02:23:42,446 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 02:23:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:23:48,100 INFO L255 TraceCheckSpWp]: Trace formula consists of 4775 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 02:23:48,110 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 02:23:49,604 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-19 02:23:49,604 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 02:23:49,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1192999820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:23:49,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 02:23:49,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-11-19 02:23:49,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072072684] [2024-11-19 02:23:49,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:23:49,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 02:23:49,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:23:49,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 02:23:49,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-19 02:23:49,607 INFO L87 Difference]: Start difference. First operand 483 states and 712 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, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-19 02:23:54,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:23:54,488 INFO L93 Difference]: Finished difference Result 921 states and 1389 transitions. [2024-11-19 02:23:54,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 02:23:54,489 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, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 209 [2024-11-19 02:23:54,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:23:54,495 INFO L225 Difference]: With dead ends: 921 [2024-11-19 02:23:54,496 INFO L226 Difference]: Without dead ends: 489 [2024-11-19 02:23:54,499 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-11-19 02:23:54,500 INFO L432 NwaCegarLoop]: 574 mSDtfsCounter, 679 mSDsluCounter, 2198 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 690 SdHoareTripleChecker+Valid, 2772 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-19 02:23:54,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [690 Valid, 2772 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-11-19 02:23:54,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2024-11-19 02:23:54,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 483. [2024-11-19 02:23:54,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 284 states have (on average 1.2253521126760563) internal successors, (348), 288 states have internal predecessors, (348), 168 states have call successors, (168), 28 states have call predecessors, (168), 29 states have return successors, (196), 167 states have call predecessors, (196), 166 states have call successors, (196) [2024-11-19 02:23:54,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 712 transitions. [2024-11-19 02:23:54,541 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 712 transitions. Word has length 209 [2024-11-19 02:23:54,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:23:54,541 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 712 transitions. [2024-11-19 02:23:54,543 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, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-19 02:23:54,543 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 712 transitions. [2024-11-19 02:23:54,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-19 02:23:54,547 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:23:54,547 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:23:54,583 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 02:23:54,747 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 02:23:54,748 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:23:54,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:23:54,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1308470230, now seen corresponding path program 1 times [2024-11-19 02:23:54,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:23:54,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626213965] [2024-11-19 02:23:54,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:23:54,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms