./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_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 9f01133064e8d36e68b9f85134d72a09d965175ad33f2003b7d0ebb14c50d01e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 14:22:11,894 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 14:22:11,953 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 14:22:11,957 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 14:22:11,957 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 14:22:11,972 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 14:22:11,973 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 14:22:11,973 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 14:22:11,974 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 14:22:11,974 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 14:22:11,974 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 14:22:11,975 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 14:22:11,975 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 14:22:11,975 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 14:22:11,976 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 14:22:11,976 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 14:22:11,976 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 14:22:11,977 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 14:22:11,977 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 14:22:11,977 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 14:22:11,978 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 14:22:11,978 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 14:22:11,978 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 14:22:11,978 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 14:22:11,979 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 14:22:11,979 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 14:22:11,979 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 14:22:11,979 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 14:22:11,980 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 14:22:11,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:22:11,983 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 14:22:11,983 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 14:22:11,983 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 14:22:11,983 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 14:22:11,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 14:22:11,984 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 14:22:11,984 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 14:22:11,984 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 14:22:11,984 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 14:22:11,984 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f01133064e8d36e68b9f85134d72a09d965175ad33f2003b7d0ebb14c50d01e [2024-11-22 14:22:12,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 14:22:12,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 14:22:12,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 14:22:12,243 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 14:22:12,243 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 14:22:12,244 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i [2024-11-22 14:22:13,621 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 14:22:14,006 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 14:22:14,009 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i [2024-11-22 14:22:14,063 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e7c39579/ae3a106bffa04fdc8d91a2a29a842d6e/FLAG80a2e2583 [2024-11-22 14:22:14,078 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e7c39579/ae3a106bffa04fdc8d91a2a29a842d6e [2024-11-22 14:22:14,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 14:22:14,082 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 14:22:14,083 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 14:22:14,083 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 14:22:14,087 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 14:22:14,088 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:22:14" (1/1) ... [2024-11-22 14:22:14,090 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dd50023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:14, skipping insertion in model container [2024-11-22 14:22:14,090 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:22:14" (1/1) ... [2024-11-22 14:22:14,171 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 14:22:14,423 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_s_sift_up_harness.i[4502,4515] [2024-11-22 14:22:14,429 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_s_sift_up_harness.i[4562,4575] [2024-11-22 14:22:14,997 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,001 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,002 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,003 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,004 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,013 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,014 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,015 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,016 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,017 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,017 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,018 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,018 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,362 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,362 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,366 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,370 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,414 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,415 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,415 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,416 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,416 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,416 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,417 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,417 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,417 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,418 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,418 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,418 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,418 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,421 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,421 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,421 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,421 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,423 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,424 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,428 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,429 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,429 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:22:15,574 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 14:22:15,586 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_s_sift_up_harness.i[4502,4515] [2024-11-22 14:22:15,587 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_s_sift_up_harness.i[4562,4575] [2024-11-22 14:22:15,611 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,613 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,614 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,614 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,614 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,621 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,621 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,622 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,622 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,623 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,623 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,623 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,623 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,696 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,696 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,696 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,701 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,706 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7776-7787] [2024-11-22 14:22:15,727 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,728 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,728 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,728 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,729 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,729 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,729 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,729 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,730 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,730 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,730 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,730 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,730 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,731 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,731 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,731 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,732 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,733 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,733 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,737 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,738 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,740 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:22:15,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:22:15,944 INFO L204 MainTranslator]: Completed translation [2024-11-22 14:22:15,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:15 WrapperNode [2024-11-22 14:22:15,945 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 14:22:15,946 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 14:22:15,946 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 14:22:15,946 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 14:22:15,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:15" (1/1) ... [2024-11-22 14:22:16,010 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:15" (1/1) ... [2024-11-22 14:22:16,090 INFO L138 Inliner]: procedures = 686, calls = 1900, calls flagged for inlining = 60, calls inlined = 14, statements flattened = 850 [2024-11-22 14:22:16,091 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 14:22:16,092 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 14:22:16,092 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 14:22:16,092 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 14:22:16,101 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:15" (1/1) ... [2024-11-22 14:22:16,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:15" (1/1) ... [2024-11-22 14:22:16,112 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:15" (1/1) ... [2024-11-22 14:22:16,190 INFO L175 MemorySlicer]: Split 333 memory accesses to 6 slices as follows [238, 2, 7, 18, 65, 3]. 71 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [6, 2, 2, 5, 0, 1]. The 257 writes are split as follows [232, 0, 1, 6, 17, 1]. [2024-11-22 14:22:16,194 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:15" (1/1) ... [2024-11-22 14:22:16,194 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:15" (1/1) ... [2024-11-22 14:22:16,237 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:15" (1/1) ... [2024-11-22 14:22:16,245 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:15" (1/1) ... [2024-11-22 14:22:16,261 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:15" (1/1) ... [2024-11-22 14:22:16,271 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:15" (1/1) ... [2024-11-22 14:22:16,292 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 14:22:16,293 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 14:22:16,293 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 14:22:16,294 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 14:22:16,299 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:15" (1/1) ... [2024-11-22 14:22:16,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:22:16,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:22:16,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 14:22:16,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 14:22:16,391 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2024-11-22 14:22:16,392 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2024-11-22 14:22:16,392 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-22 14:22:16,392 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-22 14:22:16,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 14:22:16,392 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-22 14:22:16,392 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-22 14:22:16,392 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-22 14:22:16,393 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-22 14:22:16,393 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-22 14:22:16,393 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-22 14:22:16,394 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2024-11-22 14:22:16,394 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2024-11-22 14:22:16,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 14:22:16,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 14:22:16,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 14:22:16,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 14:22:16,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 14:22:16,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-22 14:22:16,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 14:22:16,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 14:22:16,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 14:22:16,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 14:22:16,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 14:22:16,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 14:22:16,396 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-22 14:22:16,397 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-22 14:22:16,397 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 14:22:16,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 14:22:16,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 14:22:16,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 14:22:16,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 14:22:16,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 14:22:16,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 14:22:16,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 14:22:16,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 14:22:16,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-22 14:22:16,398 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2024-11-22 14:22:16,399 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2024-11-22 14:22:16,399 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-22 14:22:16,399 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-22 14:22:16,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 14:22:16,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 14:22:16,399 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-22 14:22:16,399 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-22 14:22:16,399 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-22 14:22:16,399 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-22 14:22:16,400 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-22 14:22:16,400 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-22 14:22:16,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 14:22:16,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 14:22:16,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 14:22:16,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 14:22:16,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 14:22:16,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-22 14:22:16,400 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-22 14:22:16,401 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-22 14:22:16,401 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-22 14:22:16,401 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-22 14:22:16,401 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-22 14:22:16,401 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-22 14:22:16,401 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 14:22:16,401 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 14:22:16,401 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-22 14:22:16,401 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-22 14:22:16,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 14:22:16,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 14:22:16,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 14:22:16,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 14:22:16,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 14:22:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 14:22:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-22 14:22:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 14:22:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 14:22:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 14:22:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 14:22:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-22 14:22:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-22 14:22:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2024-11-22 14:22:16,402 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2024-11-22 14:22:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-22 14:22:16,402 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-22 14:22:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-22 14:22:16,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-22 14:22:16,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 14:22:16,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 14:22:16,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 14:22:16,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 14:22:16,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 14:22:16,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 14:22:16,403 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-22 14:22:16,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-22 14:22:16,404 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-11-22 14:22:16,405 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-11-22 14:22:16,405 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-22 14:22:16,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-22 14:22:16,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 14:22:16,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 14:22:16,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 14:22:16,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 14:22:16,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 14:22:16,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 14:22:16,737 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 14:22:16,740 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 14:22:22,862 INFO L? ?]: Removed 197 outVars from TransFormulas that were not future-live. [2024-11-22 14:22:22,863 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 14:22:22,882 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 14:22:22,883 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-22 14:22:22,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:22:22 BoogieIcfgContainer [2024-11-22 14:22:22,883 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 14:22:22,885 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 14:22:22,885 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 14:22:22,887 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 14:22:22,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:22:14" (1/3) ... [2024-11-22 14:22:22,888 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fb1f881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:22:22, skipping insertion in model container [2024-11-22 14:22:22,888 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:22:15" (2/3) ... [2024-11-22 14:22:22,888 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fb1f881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:22:22, skipping insertion in model container [2024-11-22 14:22:22,888 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:22:22" (3/3) ... [2024-11-22 14:22:22,889 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_sift_up_harness.i [2024-11-22 14:22:22,901 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 14:22:22,901 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-22 14:22:22,950 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 14:22:22,955 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;@5157ef8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 14:22:22,956 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-22 14:22:22,960 INFO L276 IsEmpty]: Start isEmpty. Operand has 326 states, 197 states have (on average 1.233502538071066) internal successors, (243), 200 states have internal predecessors, (243), 102 states have call successors, (102), 24 states have call predecessors, (102), 24 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-22 14:22:22,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-22 14:22:22,974 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:22:22,975 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 3, 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] [2024-11-22 14:22:22,976 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:22:22,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:22:22,981 INFO L85 PathProgramCache]: Analyzing trace with hash -816215905, now seen corresponding path program 1 times [2024-11-22 14:22:22,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:22:22,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366882133] [2024-11-22 14:22:22,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:22:22,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:22:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:22:28,814 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-22 14:22:28,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:22:28,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366882133] [2024-11-22 14:22:28,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366882133] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:22:28,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641649138] [2024-11-22 14:22:28,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:22:28,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:22:28,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:22:28,824 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 14:22:28,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 14:22:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:22:34,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 4433 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 14:22:34,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 14:22:34,199 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-22 14:22:34,199 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 14:22:34,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1641649138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 14:22:34,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 14:22:34,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-22 14:22:34,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340822378] [2024-11-22 14:22:34,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 14:22:34,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 14:22:34,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 14:22:34,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 14:22:34,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 14:22:34,231 INFO L87 Difference]: Start difference. First operand has 326 states, 197 states have (on average 1.233502538071066) internal successors, (243), 200 states have internal predecessors, (243), 102 states have call successors, (102), 24 states have call predecessors, (102), 24 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-22 14:22:34,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 14:22:34,289 INFO L93 Difference]: Finished difference Result 627 states and 936 transitions. [2024-11-22 14:22:34,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 14:22:34,291 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 137 [2024-11-22 14:22:34,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 14:22:34,301 INFO L225 Difference]: With dead ends: 627 [2024-11-22 14:22:34,302 INFO L226 Difference]: Without dead ends: 319 [2024-11-22 14:22:34,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 14:22:34,309 INFO L432 NwaCegarLoop]: 437 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, 437 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 14:22:34,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 14:22:34,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-22 14:22:34,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2024-11-22 14:22:34,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 192 states have (on average 1.1979166666666667) internal successors, (230), 194 states have internal predecessors, (230), 102 states have call successors, (102), 24 states have call predecessors, (102), 23 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-22 14:22:34,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 432 transitions. [2024-11-22 14:22:34,364 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 432 transitions. Word has length 137 [2024-11-22 14:22:34,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 14:22:34,365 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 432 transitions. [2024-11-22 14:22:34,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-22 14:22:34,365 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 432 transitions. [2024-11-22 14:22:34,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-22 14:22:34,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:22:34,369 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 3, 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] [2024-11-22 14:22:34,387 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 14:22:34,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-22 14:22:34,574 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:22:34,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:22:34,575 INFO L85 PathProgramCache]: Analyzing trace with hash 151566553, now seen corresponding path program 1 times [2024-11-22 14:22:34,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:22:34,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997132507] [2024-11-22 14:22:34,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:22:34,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:22:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:22:40,342 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-22 14:22:40,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:22:40,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997132507] [2024-11-22 14:22:40,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997132507] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:22:40,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [962279430] [2024-11-22 14:22:40,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:22:40,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:22:40,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:22:40,346 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 14:22:40,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 14:22:45,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:22:45,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 4433 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 14:22:45,704 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 14:22:46,740 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-22 14:22:46,744 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 14:22:46,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [962279430] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 14:22:46,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 14:22:46,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2024-11-22 14:22:46,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846003538] [2024-11-22 14:22:46,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 14:22:46,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 14:22:46,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 14:22:46,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 14:22:46,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-22 14:22:46,746 INFO L87 Difference]: Start difference. First operand 319 states and 432 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-22 14:22:48,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 14:22:48,937 INFO L93 Difference]: Finished difference Result 592 states and 806 transitions. [2024-11-22 14:22:48,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 14:22:48,941 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 137 [2024-11-22 14:22:48,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 14:22:48,945 INFO L225 Difference]: With dead ends: 592 [2024-11-22 14:22:48,945 INFO L226 Difference]: Without dead ends: 321 [2024-11-22 14:22:48,946 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-22 14:22:48,947 INFO L432 NwaCegarLoop]: 386 mSDtfsCounter, 434 mSDsluCounter, 1121 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 1507 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-22 14:22:48,948 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [438 Valid, 1507 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-22 14:22:48,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-22 14:22:48,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2024-11-22 14:22:48,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 193 states have (on average 1.1968911917098446) internal successors, (231), 196 states have internal predecessors, (231), 102 states have call successors, (102), 24 states have call predecessors, (102), 24 states have return successors, (104), 100 states have call predecessors, (104), 100 states have call successors, (104) [2024-11-22 14:22:48,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 437 transitions. [2024-11-22 14:22:48,969 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 437 transitions. Word has length 137 [2024-11-22 14:22:48,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 14:22:48,969 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 437 transitions. [2024-11-22 14:22:48,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-22 14:22:48,970 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 437 transitions. [2024-11-22 14:22:48,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-22 14:22:48,974 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:22:48,974 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 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] [2024-11-22 14:22:48,989 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 14:22:49,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-22 14:22:49,175 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:22:49,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:22:49,175 INFO L85 PathProgramCache]: Analyzing trace with hash 2041471789, now seen corresponding path program 1 times [2024-11-22 14:22:49,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:22:49,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664405067] [2024-11-22 14:22:49,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:22:49,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:22:53,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:22:54,826 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-22 14:22:54,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:22:54,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664405067] [2024-11-22 14:22:54,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664405067] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:22:54,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1944844119] [2024-11-22 14:22:54,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:22:54,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:22:54,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:22:54,830 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 14:22:54,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 14:22:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:22:59,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 4483 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 14:22:59,902 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 14:23:01,615 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-22 14:23:01,615 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 14:23:01,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1944844119] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 14:23:01,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 14:23:01,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2024-11-22 14:23:01,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146302730] [2024-11-22 14:23:01,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 14:23:01,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 14:23:01,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 14:23:01,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 14:23:01,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-22 14:23:01,617 INFO L87 Difference]: Start difference. First operand 321 states and 437 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-22 14:23:06,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 14:23:06,297 INFO L93 Difference]: Finished difference Result 615 states and 853 transitions. [2024-11-22 14:23:06,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 14:23:06,298 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 145 [2024-11-22 14:23:06,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 14:23:06,303 INFO L225 Difference]: With dead ends: 615 [2024-11-22 14:23:06,304 INFO L226 Difference]: Without dead ends: 342 [2024-11-22 14:23:06,305 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2024-11-22 14:23:06,311 INFO L432 NwaCegarLoop]: 388 mSDtfsCounter, 465 mSDsluCounter, 1859 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 2247 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-22 14:23:06,312 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [478 Valid, 2247 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-22 14:23:06,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2024-11-22 14:23:06,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 340. [2024-11-22 14:23:06,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 209 states have (on average 1.2105263157894737) internal successors, (253), 212 states have internal predecessors, (253), 104 states have call successors, (104), 24 states have call predecessors, (104), 25 states have return successors, (117), 103 states have call predecessors, (117), 102 states have call successors, (117) [2024-11-22 14:23:06,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 474 transitions. [2024-11-22 14:23:06,352 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 474 transitions. Word has length 145 [2024-11-22 14:23:06,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 14:23:06,354 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 474 transitions. [2024-11-22 14:23:06,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-22 14:23:06,354 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 474 transitions. [2024-11-22 14:23:06,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-22 14:23:06,360 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:23:06,360 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 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] [2024-11-22 14:23:06,380 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 14:23:06,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:23:06,564 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:23:06,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:23:06,565 INFO L85 PathProgramCache]: Analyzing trace with hash -183154586, now seen corresponding path program 1 times [2024-11-22 14:23:06,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:23:06,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853882911] [2024-11-22 14:23:06,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:23:06,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:23:10,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:23:12,087 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-22 14:23:12,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:23:12,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853882911] [2024-11-22 14:23:12,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853882911] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:23:12,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [631545399] [2024-11-22 14:23:12,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:23:12,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:23:12,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:23:12,090 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 14:23:12,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 14:23:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:23:17,346 INFO L255 TraceCheckSpWp]: Trace formula consists of 4610 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 14:23:17,353 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 14:23:18,637 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-22 14:23:18,638 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 14:23:18,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [631545399] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 14:23:18,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 14:23:18,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-11-22 14:23:18,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289349344] [2024-11-22 14:23:18,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 14:23:18,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 14:23:18,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 14:23:18,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 14:23:18,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-22 14:23:18,642 INFO L87 Difference]: Start difference. First operand 340 states and 474 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-22 14:23:21,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 14:23:21,671 INFO L93 Difference]: Finished difference Result 638 states and 897 transitions. [2024-11-22 14:23:21,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 14:23:21,672 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 160 [2024-11-22 14:23:21,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 14:23:21,675 INFO L225 Difference]: With dead ends: 638 [2024-11-22 14:23:21,675 INFO L226 Difference]: Without dead ends: 346 [2024-11-22 14:23:21,676 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-11-22 14:23:21,677 INFO L432 NwaCegarLoop]: 378 mSDtfsCounter, 450 mSDsluCounter, 1453 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 1831 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-22 14:23:21,677 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [454 Valid, 1831 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-22 14:23:21,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-22 14:23:21,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 340. [2024-11-22 14:23:21,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 209 states have (on average 1.2105263157894737) internal successors, (253), 212 states have internal predecessors, (253), 104 states have call successors, (104), 24 states have call predecessors, (104), 25 states have return successors, (117), 103 states have call predecessors, (117), 102 states have call successors, (117) [2024-11-22 14:23:21,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 474 transitions. [2024-11-22 14:23:21,695 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 474 transitions. Word has length 160 [2024-11-22 14:23:21,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 14:23:21,696 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 474 transitions. [2024-11-22 14:23:21,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-22 14:23:21,698 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 474 transitions. [2024-11-22 14:23:21,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-22 14:23:21,700 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:23:21,701 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 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] [2024-11-22 14:23:21,721 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-22 14:23:21,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:23:21,901 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:23:21,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:23:21,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1326850465, now seen corresponding path program 1 times [2024-11-22 14:23:21,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:23:21,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415817145] [2024-11-22 14:23:21,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:23:21,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:23:26,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:23:27,716 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2024-11-22 14:23:27,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:23:27,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415817145] [2024-11-22 14:23:27,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415817145] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:23:27,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524521610] [2024-11-22 14:23:27,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:23:27,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:23:27,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:23:27,719 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 14:23:27,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 14:23:33,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:23:33,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 4682 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 14:23:33,121 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 14:23:35,042 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-11-22 14:23:35,042 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 14:23:35,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [524521610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 14:23:35,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 14:23:35,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2024-11-22 14:23:35,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011581072] [2024-11-22 14:23:35,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 14:23:35,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 14:23:35,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 14:23:35,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 14:23:35,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-22 14:23:35,045 INFO L87 Difference]: Start difference. First operand 340 states and 474 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 9 states have internal predecessors, (82), 5 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) [2024-11-22 14:23:40,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 14:23:40,791 INFO L93 Difference]: Finished difference Result 649 states and 911 transitions. [2024-11-22 14:23:40,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-22 14:23:40,792 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 9 states have internal predecessors, (82), 5 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) Word has length 176 [2024-11-22 14:23:40,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 14:23:40,805 INFO L225 Difference]: With dead ends: 649 [2024-11-22 14:23:40,805 INFO L226 Difference]: Without dead ends: 357 [2024-11-22 14:23:40,807 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2024-11-22 14:23:40,808 INFO L432 NwaCegarLoop]: 363 mSDtfsCounter, 507 mSDsluCounter, 2092 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 2455 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-22 14:23:40,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 2455 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-11-22 14:23:40,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2024-11-22 14:23:40,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 340. [2024-11-22 14:23:40,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 209 states have (on average 1.2105263157894737) internal successors, (253), 212 states have internal predecessors, (253), 104 states have call successors, (104), 24 states have call predecessors, (104), 25 states have return successors, (117), 103 states have call predecessors, (117), 102 states have call successors, (117) [2024-11-22 14:23:40,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 474 transitions. [2024-11-22 14:23:40,851 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 474 transitions. Word has length 176 [2024-11-22 14:23:40,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 14:23:40,853 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 474 transitions. [2024-11-22 14:23:40,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 9 states have internal predecessors, (82), 5 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) [2024-11-22 14:23:40,853 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 474 transitions. [2024-11-22 14:23:40,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-22 14:23:40,859 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:23:40,859 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 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, 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] [2024-11-22 14:23:40,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-22 14:23:41,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:23:41,060 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:23:41,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:23:41,060 INFO L85 PathProgramCache]: Analyzing trace with hash 817227494, now seen corresponding path program 1 times [2024-11-22 14:23:41,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:23:41,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374428373] [2024-11-22 14:23:41,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:23:41,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:23:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:23:46,330 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-11-22 14:23:46,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:23:46,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374428373] [2024-11-22 14:23:46,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374428373] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:23:46,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2121581497] [2024-11-22 14:23:46,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:23:46,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:23:46,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:23:46,333 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 14:23:46,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process