./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_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_pop_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 215e983f1a4d8fc7cc2a4702392b572c8acf5b74a884ac30ea5939c84fb288fd --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:21:10,849 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:21:10,890 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:21:10,894 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:21:10,895 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:21:10,911 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:21:10,911 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:21:10,911 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:21:10,912 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:21:10,912 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:21:10,913 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:21:10,913 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:21:10,913 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:21:10,914 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:21:10,914 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:21:10,914 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:21:10,915 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:21:10,915 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:21:10,915 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:21:10,916 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:21:10,916 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:21:10,916 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:21:10,917 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:21:10,917 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:21:10,917 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:21:10,918 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:21:10,918 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:21:10,918 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:21:10,918 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:21:10,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:21:10,919 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:21:10,919 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:21:10,919 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:21:10,920 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:21:10,920 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:21:10,920 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:21:10,920 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:21:10,921 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:21:10,921 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:21:10,921 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 215e983f1a4d8fc7cc2a4702392b572c8acf5b74a884ac30ea5939c84fb288fd [2024-11-19 02:21:11,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:21:11,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:21:11,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:21:11,241 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:21:11,242 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:21:11,244 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i [2024-11-19 02:21:12,899 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:21:13,362 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:21:13,362 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i [2024-11-19 02:21:13,390 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e43e4529/2f807b6fe3794ba4bfd3b61ece5dd09c/FLAGcc4c51b63 [2024-11-19 02:21:13,404 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e43e4529/2f807b6fe3794ba4bfd3b61ece5dd09c [2024-11-19 02:21:13,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:21:13,408 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:21:13,409 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:21:13,409 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:21:13,414 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:21:13,415 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:21:13" (1/1) ... [2024-11-19 02:21:13,415 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63131ce9 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 02:21:13,415 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:21:13" (1/1) ... [2024-11-19 02:21:13,516 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:21:14,025 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.i[4496,4509] [2024-11-19 02:21:14,040 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.i[4556,4569] [2024-11-19 02:21:14,718 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,719 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,719 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,720 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,724 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,748 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,748 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,750 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,750 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,753 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,754 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,755 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,755 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,130 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,135 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,199 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,200 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,200 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,201 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,201 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,201 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,201 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,202 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,202 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,202 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,203 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,203 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,203 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,206 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,207 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,207 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,208 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,211 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,213 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,223 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,224 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,225 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:21:15,263 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:21:15,279 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.i[4496,4509] [2024-11-19 02:21:15,279 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.i[4556,4569] [2024-11-19 02:21:15,318 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,320 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,320 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,320 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,322 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,330 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,331 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,333 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,333 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,334 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,334 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,334 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,335 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,404 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,408 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7771-7782] [2024-11-19 02:21:15,425 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,426 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,426 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,427 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,427 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,427 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,428 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,429 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,429 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,429 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,430 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,430 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,431 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,435 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,435 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,435 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,436 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,438 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,438 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,448 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,449 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,449 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:21:15,679 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:21:15,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15 WrapperNode [2024-11-19 02:21:15,680 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:21:15,681 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:21:15,681 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:21:15,681 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:21:15,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,754 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,836 INFO L138 Inliner]: procedures = 686, calls = 1930, calls flagged for inlining = 59, calls inlined = 15, statements flattened = 1062 [2024-11-19 02:21:15,837 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:21:15,838 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:21:15,838 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:21:15,838 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:21:15,847 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,863 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,958 INFO L175 MemorySlicer]: Split 392 memory accesses to 6 slices as follows [2, 96, 13, 261, 17, 3]. 67 percent of accesses are in the largest equivalence class. The 30 initializations are split as follows [2, 0, 11, 12, 4, 1]. The 262 writes are split as follows [0, 18, 0, 240, 3, 1]. [2024-11-19 02:21:15,958 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,959 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,994 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,999 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:16,007 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:16,012 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:16,021 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:21:16,022 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:21:16,022 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:21:16,022 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:21:16,023 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:16,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:21:16,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:21:16,119 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 02:21:16,125 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 02:21:16,207 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2024-11-19 02:21:16,208 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2024-11-19 02:21:16,208 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-19 02:21:16,208 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-19 02:21:16,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:21:16,208 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-19 02:21:16,208 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-19 02:21:16,212 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-19 02:21:16,212 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-19 02:21:16,212 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:21:16,212 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:21:16,212 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2024-11-19 02:21:16,212 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2024-11-19 02:21:16,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:21:16,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:21:16,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:21:16,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:21:16,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:21:16,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 02:21:16,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:21:16,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:21:16,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:21:16,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:21:16,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:21:16,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 02:21:16,213 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-19 02:21:16,213 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-19 02:21:16,214 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:21:16,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:21:16,214 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2024-11-19 02:21:16,214 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2024-11-19 02:21:16,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:21:16,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:21:16,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:21:16,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:21:16,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:21:16,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:21:16,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:21:16,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 02:21:16,214 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2024-11-19 02:21:16,214 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2024-11-19 02:21:16,215 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-19 02:21:16,215 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-19 02:21:16,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:21:16,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:21:16,215 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:21:16,215 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:21:16,215 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-19 02:21:16,216 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-19 02:21:16,217 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-19 02:21:16,217 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-19 02:21:16,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:21:16,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:21:16,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:21:16,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:21:16,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:21:16,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 02:21:16,217 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-19 02:21:16,217 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-19 02:21:16,221 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-19 02:21:16,221 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-19 02:21:16,221 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-19 02:21:16,221 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-19 02:21:16,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-19 02:21:16,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-19 02:21:16,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-19 02:21:16,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-19 02:21:16,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-19 02:21:16,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-19 02:21:16,222 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-19 02:21:16,222 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-19 02:21:16,222 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-19 02:21:16,222 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-19 02:21:16,222 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-19 02:21:16,222 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-19 02:21:16,222 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:21:16,222 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:21:16,222 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-19 02:21:16,222 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-19 02:21:16,223 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2024-11-19 02:21:16,223 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2024-11-19 02:21:16,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:21:16,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:21:16,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:21:16,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:21:16,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:21:16,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:21:16,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 02:21:16,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:21:16,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:21:16,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:21:16,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:21:16,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:21:16,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 02:21:16,224 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2024-11-19 02:21:16,224 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2024-11-19 02:21:16,224 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-19 02:21:16,224 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-19 02:21:16,224 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-19 02:21:16,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-19 02:21:16,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:21:16,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:21:16,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:21:16,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:21:16,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:21:16,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 02:21:16,226 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-19 02:21:16,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-19 02:21:16,226 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-11-19 02:21:16,226 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-11-19 02:21:16,226 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-19 02:21:16,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-19 02:21:16,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:21:16,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:21:16,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:21:16,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:21:16,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:21:16,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 02:21:16,230 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2024-11-19 02:21:16,230 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2024-11-19 02:21:16,782 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:21:16,784 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:21:23,242 INFO L? ?]: Removed 258 outVars from TransFormulas that were not future-live. [2024-11-19 02:21:23,242 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:21:23,262 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:21:23,262 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-19 02:21:23,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:21:23 BoogieIcfgContainer [2024-11-19 02:21:23,263 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:21:23,265 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:21:23,265 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:21:23,268 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:21:23,268 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:21:13" (1/3) ... [2024-11-19 02:21:23,269 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a2a68a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:21:23, skipping insertion in model container [2024-11-19 02:21:23,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (2/3) ... [2024-11-19 02:21:23,269 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a2a68a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:21:23, skipping insertion in model container [2024-11-19 02:21:23,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:21:23" (3/3) ... [2024-11-19 02:21:23,270 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_pop_harness.i [2024-11-19 02:21:23,286 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:21:23,287 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 02:21:23,385 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:21:23,392 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;@56a47040, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:21:23,393 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-19 02:21:23,400 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 02:21:23,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-19 02:21:23,421 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:21:23,422 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 02:21:23,422 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:21:23,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:21:23,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1039494375, now seen corresponding path program 1 times [2024-11-19 02:21:23,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:21:23,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213589779] [2024-11-19 02:21:23,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:21:23,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:21:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:21:29,746 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 02:21:29,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:21:29,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213589779] [2024-11-19 02:21:29,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213589779] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:21:29,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683655566] [2024-11-19 02:21:29,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:21:29,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:21:29,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:21:29,750 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 02:21:29,751 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 02:21:35,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:21:36,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 4537 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 02:21:36,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 02:21:36,037 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 02:21:36,037 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 02:21:36,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [683655566] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:21:36,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 02:21:36,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-19 02:21:36,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437045458] [2024-11-19 02:21:36,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:21:36,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 02:21:36,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:21:36,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 02:21:36,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 02:21:36,092 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 02:21:36,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:21:36,183 INFO L93 Difference]: Finished difference Result 886 states and 1399 transitions. [2024-11-19 02:21:36,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 02:21:36,190 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 02:21:36,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:21:36,206 INFO L225 Difference]: With dead ends: 886 [2024-11-19 02:21:36,206 INFO L226 Difference]: Without dead ends: 450 [2024-11-19 02:21:36,218 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 02:21:36,225 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 02:21:36,225 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 02:21:36,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2024-11-19 02:21:36,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2024-11-19 02:21:36,303 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 02:21:36,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 638 transitions. [2024-11-19 02:21:36,315 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 638 transitions. Word has length 163 [2024-11-19 02:21:36,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:21:36,318 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 638 transitions. [2024-11-19 02:21:36,318 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 02:21:36,318 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 638 transitions. [2024-11-19 02:21:36,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-19 02:21:36,325 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:21:36,325 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 02:21:36,394 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 02:21:36,526 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 02:21:36,527 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:21:36,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:21:36,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1287744279, now seen corresponding path program 1 times [2024-11-19 02:21:36,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:21:36,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804628178] [2024-11-19 02:21:36,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:21:36,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:21:42,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:21:44,216 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 02:21:44,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:21:44,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804628178] [2024-11-19 02:21:44,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804628178] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:21:44,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1378986874] [2024-11-19 02:21:44,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:21:44,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:21:44,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:21:44,223 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 02:21:44,228 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 02:21:50,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:21:50,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 4537 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 02:21:50,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 02:21:51,836 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 02:21:51,836 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 02:21:51,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1378986874] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:21:51,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 02:21:51,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2024-11-19 02:21:51,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269271698] [2024-11-19 02:21:51,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:21:51,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 02:21:51,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:21:51,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 02:21:51,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-19 02:21:51,847 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 02:21:56,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:21:56,520 INFO L93 Difference]: Finished difference Result 851 states and 1225 transitions. [2024-11-19 02:21:56,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 02:21:56,521 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 02:21:56,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:21:56,528 INFO L225 Difference]: With dead ends: 851 [2024-11-19 02:21:56,528 INFO L226 Difference]: Without dead ends: 452 [2024-11-19 02:21:56,530 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-19 02:21:56,531 INFO L432 NwaCegarLoop]: 569 mSDtfsCounter, 641 mSDsluCounter, 1649 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s 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, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 02:21:56,532 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [652 Valid, 2218 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 02:21:56,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2024-11-19 02:21:56,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 452. [2024-11-19 02:21:56,558 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 02:21:56,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 652 transitions. [2024-11-19 02:21:56,562 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 652 transitions. Word has length 163 [2024-11-19 02:21:56,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:21:56,563 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 652 transitions. [2024-11-19 02:21:56,563 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 02:21:56,563 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 652 transitions. [2024-11-19 02:21:56,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-19 02:21:56,565 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:21:56,565 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 02:21:56,589 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 02:21:56,766 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 02:21:56,767 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:21:56,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:21:56,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1058970457, now seen corresponding path program 1 times [2024-11-19 02:21:56,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:21:56,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412898995] [2024-11-19 02:21:56,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:21:56,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:22:01,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:22:03,505 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 02:22:03,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:22:03,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412898995] [2024-11-19 02:22:03,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412898995] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:22:03,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511193903] [2024-11-19 02:22:03,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:22:03,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:22:03,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:22:03,510 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 02:22:03,512 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 02:22:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:22:08,900 INFO L255 TraceCheckSpWp]: Trace formula consists of 4587 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 02:22:08,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 02:22:11,100 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 02:22:11,101 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 02:22:11,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [511193903] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:22:11,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 02:22:11,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2024-11-19 02:22:11,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556639300] [2024-11-19 02:22:11,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:22:11,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 02:22:11,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:22:11,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 02:22:11,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-19 02:22:11,103 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 02:22:20,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:22:20,431 INFO L93 Difference]: Finished difference Result 874 states and 1296 transitions. [2024-11-19 02:22:20,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 02:22:20,432 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 02:22:20,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:22:20,440 INFO L225 Difference]: With dead ends: 874 [2024-11-19 02:22:20,440 INFO L226 Difference]: Without dead ends: 473 [2024-11-19 02:22:20,444 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2024-11-19 02:22:20,445 INFO L432 NwaCegarLoop]: 546 mSDtfsCounter, 691 mSDsluCounter, 2634 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s 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, 8.2s IncrementalHoareTripleChecker+Time [2024-11-19 02:22:20,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [717 Valid, 3180 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2024-11-19 02:22:20,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2024-11-19 02:22:20,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 471. [2024-11-19 02:22:20,482 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 02:22:20,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 695 transitions. [2024-11-19 02:22:20,488 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 695 transitions. Word has length 171 [2024-11-19 02:22:20,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:22:20,491 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 695 transitions. [2024-11-19 02:22:20,492 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 02:22:20,492 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 695 transitions. [2024-11-19 02:22:20,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-19 02:22:20,498 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:22:20,499 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 02:22:20,541 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 02:22:20,699 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 02:22:20,700 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:22:20,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:22:20,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1730757284, now seen corresponding path program 1 times [2024-11-19 02:22:20,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:22:20,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005703069] [2024-11-19 02:22:20,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:22:20,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:22:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:22:27,554 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 02:22:27,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:22:27,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005703069] [2024-11-19 02:22:27,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005703069] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:22:27,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [379310671] [2024-11-19 02:22:27,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:22:27,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:22:27,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:22:27,560 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 02:22:27,562 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 02:22:33,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:22:33,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 4714 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 02:22:33,355 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 02:22:35,102 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 02:22:35,106 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 02:22:35,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [379310671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:22:35,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 02:22:35,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-11-19 02:22:35,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949649866] [2024-11-19 02:22:35,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:22:35,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 02:22:35,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:22:35,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 02:22:35,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-19 02:22:35,112 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 02:22:40,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:22:40,133 INFO L93 Difference]: Finished difference Result 897 states and 1355 transitions. [2024-11-19 02:22:40,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 02:22:40,134 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 02:22:40,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:22:40,141 INFO L225 Difference]: With dead ends: 897 [2024-11-19 02:22:40,143 INFO L226 Difference]: Without dead ends: 477 [2024-11-19 02:22:40,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-11-19 02:22:40,148 INFO L432 NwaCegarLoop]: 561 mSDtfsCounter, 657 mSDsluCounter, 2155 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s 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, 4.4s IncrementalHoareTripleChecker+Time [2024-11-19 02:22:40,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [668 Valid, 2716 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-19 02:22:40,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2024-11-19 02:22:40,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 471. [2024-11-19 02:22:40,182 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 02:22:40,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 695 transitions. [2024-11-19 02:22:40,186 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 695 transitions. Word has length 186 [2024-11-19 02:22:40,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:22:40,188 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 695 transitions. [2024-11-19 02:22:40,188 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 02:22:40,190 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 695 transitions. [2024-11-19 02:22:40,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-19 02:22:40,194 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:22:40,194 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 02:22:40,228 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-19 02:22:40,394 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 02:22:40,395 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:22:40,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:22:40,396 INFO L85 PathProgramCache]: Analyzing trace with hash 2126081529, now seen corresponding path program 1 times [2024-11-19 02:22:40,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:22:40,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831835739] [2024-11-19 02:22:40,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:22:40,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms