./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 c7c6ca5d 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_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-?-c7c6ca5-m [2024-11-09 03:18:26,399 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:18:26,464 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:18:26,470 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:18:26,471 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:18:26,502 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:18:26,502 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:18:26,503 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:18:26,503 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:18:26,504 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:18:26,504 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:18:26,504 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:18:26,505 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:18:26,505 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:18:26,505 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:18:26,505 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:18:26,506 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:18:26,506 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:18:26,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:18:26,507 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:18:26,507 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:18:26,507 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:18:26,508 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:18:26,508 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:18:26,508 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:18:26,508 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:18:26,509 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:18:26,509 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:18:26,509 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:18:26,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:18:26,510 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:18:26,510 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:18:26,510 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:18:26,510 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:18:26,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:18:26,511 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:18:26,511 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:18:26,511 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:18:26,512 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:18:26,512 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f01133064e8d36e68b9f85134d72a09d965175ad33f2003b7d0ebb14c50d01e [2024-11-09 03:18:26,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:18:26,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:18:26,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:18:26,833 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:18:26,834 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:18:26,835 INFO L431 ainManager$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 [2024-11-09 03:18:28,187 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:18:28,545 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:18:28,545 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i [2024-11-09 03:18:28,580 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/438e09a72/8fe2ccfe2692438cbd84f3dd33550c24/FLAGcc32dca35 [2024-11-09 03:18:28,592 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/438e09a72/8fe2ccfe2692438cbd84f3dd33550c24 [2024-11-09 03:18:28,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:18:28,596 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:18:28,599 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:18:28,599 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:18:28,604 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:18:28,604 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:18:28" (1/1) ... [2024-11-09 03:18:28,605 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72cf7973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:28, skipping insertion in model container [2024-11-09 03:18:28,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:18:28" (1/1) ... [2024-11-09 03:18:28,694 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:18:28,951 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] [2024-11-09 03:18:28,959 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] [2024-11-09 03:18:29,502 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:29,503 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:29,503 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:29,504 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:29,504 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:29,517 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:29,522 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:29,524 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:29,525 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:29,526 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:29,532 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:29,533 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:29,533 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:29,912 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:29,913 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:29,919 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:29,923 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:29,966 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:29,967 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:29,967 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:29,967 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:29,967 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:29,968 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:29,968 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:29,969 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:29,969 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:29,969 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:29,969 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:29,969 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:29,970 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:29,973 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:29,973 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:29,974 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:29,975 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:29,978 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:29,979 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:29,984 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:29,985 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:29,985 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,012 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:18:30,046 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:18:30,059 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] [2024-11-09 03:18:30,061 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] [2024-11-09 03:18:30,095 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,097 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,097 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,098 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,098 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,105 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,105 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,106 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,106 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,107 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,107 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,107 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,108 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,192 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,193 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,193 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,197 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7776-7787] [2024-11-09 03:18:30,228 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,229 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,229 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,229 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,229 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,230 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,230 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,230 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,230 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,230 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,231 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,231 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,231 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,232 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,232 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,232 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,233 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,234 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,235 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,238 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,240 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,241 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:18:30,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:18:30,420 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:18:30,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:30 WrapperNode [2024-11-09 03:18:30,420 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:18:30,422 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:18:30,422 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:18:30,422 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:18:30,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:30" (1/1) ... [2024-11-09 03:18:30,514 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:30" (1/1) ... [2024-11-09 03:18:30,584 INFO L138 Inliner]: procedures = 686, calls = 1900, calls flagged for inlining = 60, calls inlined = 14, statements flattened = 850 [2024-11-09 03:18:30,585 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:18:30,586 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:18:30,586 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:18:30,586 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:18:30,596 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:30" (1/1) ... [2024-11-09 03:18:30,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:30" (1/1) ... [2024-11-09 03:18:30,604 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:30" (1/1) ... [2024-11-09 03:18:30,702 INFO L175 MemorySlicer]: Split 333 memory accesses to 6 slices as follows [238, 2, 7, 65, 18, 3]. 71 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [6, 2, 2, 0, 5, 1]. The 257 writes are split as follows [232, 0, 1, 17, 6, 1]. [2024-11-09 03:18:30,703 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:30" (1/1) ... [2024-11-09 03:18:30,703 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:30" (1/1) ... [2024-11-09 03:18:30,759 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:30" (1/1) ... [2024-11-09 03:18:30,777 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:30" (1/1) ... [2024-11-09 03:18:30,793 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:30" (1/1) ... [2024-11-09 03:18:30,809 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:30" (1/1) ... [2024-11-09 03:18:30,827 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:18:30,828 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:18:30,829 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:18:30,829 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:18:30,830 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:30" (1/1) ... [2024-11-09 03:18:30,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:18:30,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:18:30,862 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) [2024-11-09 03:18:30,864 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 [2024-11-09 03:18:30,903 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2024-11-09 03:18:30,904 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2024-11-09 03:18:30,904 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-09 03:18:30,904 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-09 03:18:30,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:18:30,905 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-09 03:18:30,905 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-09 03:18:30,905 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-09 03:18:30,905 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-09 03:18:30,905 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:18:30,906 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:18:30,906 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2024-11-09 03:18:30,906 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2024-11-09 03:18:30,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:18:30,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:18:30,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:18:30,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:18:30,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:18:30,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 03:18:30,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:18:30,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:18:30,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:18:30,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:18:30,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:18:30,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 03:18:30,909 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-09 03:18:30,909 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-09 03:18:30,909 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:18:30,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:18:30,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:18:30,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:18:30,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:18:30,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:18:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:18:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:18:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:18:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 03:18:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2024-11-09 03:18:30,910 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2024-11-09 03:18:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-09 03:18:30,910 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-09 03:18:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:18:30,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:18:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:18:30,910 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:18:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-09 03:18:30,910 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-09 03:18:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-09 03:18:30,911 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-09 03:18:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:18:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:18:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:18:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:18:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:18:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 03:18:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-09 03:18:30,911 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-09 03:18:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-09 03:18:30,911 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-09 03:18:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-09 03:18:30,911 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-09 03:18:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:18:30,911 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:18:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-09 03:18:30,912 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-09 03:18:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:18:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:18:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:18:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:18:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:18:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:18:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 03:18:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:18:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:18:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:18:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:18:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:18:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 03:18:30,914 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2024-11-09 03:18:30,915 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2024-11-09 03:18:30,916 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:18:30,916 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:18:30,916 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-09 03:18:30,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-09 03:18:30,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:18:30,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:18:30,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:18:30,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:18:30,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:18:30,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 03:18:30,916 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-09 03:18:30,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-09 03:18:30,916 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-11-09 03:18:30,916 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-11-09 03:18:30,916 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-09 03:18:30,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-09 03:18:30,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:18:30,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:18:30,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:18:30,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:18:30,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:18:30,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 03:18:31,221 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:18:31,225 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:18:37,479 INFO L? ?]: Removed 197 outVars from TransFormulas that were not future-live. [2024-11-09 03:18:37,480 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:18:37,501 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:18:37,505 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-09 03:18:37,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:18:37 BoogieIcfgContainer [2024-11-09 03:18:37,505 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:18:37,507 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:18:37,507 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:18:37,511 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:18:37,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:18:28" (1/3) ... [2024-11-09 03:18:37,512 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@237e09f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:18:37, skipping insertion in model container [2024-11-09 03:18:37,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:30" (2/3) ... [2024-11-09 03:18:37,513 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@237e09f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:18:37, skipping insertion in model container [2024-11-09 03:18:37,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:18:37" (3/3) ... [2024-11-09 03:18:37,515 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_sift_up_harness.i [2024-11-09 03:18:37,531 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:18:37,531 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 03:18:37,607 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:18:37,615 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;@7802e967, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:18:37,615 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 03:18:37,620 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) [2024-11-09 03:18:37,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 03:18:37,635 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:18:37,636 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] [2024-11-09 03:18:37,636 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:18:37,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:18:37,642 INFO L85 PathProgramCache]: Analyzing trace with hash -816215905, now seen corresponding path program 1 times [2024-11-09 03:18:37,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:18:37,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659340117] [2024-11-09 03:18:37,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:18:37,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:18:42,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:42,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:18:42,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:42,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 03:18:42,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:42,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:18:42,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:42,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 03:18:42,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:43,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 03:18:43,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:43,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 03:18:43,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:43,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 03:18:43,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:43,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 03:18:43,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:43,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 03:18:43,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:43,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 03:18:43,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:43,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:18:43,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:43,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:18:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:43,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 03:18:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:43,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:18:43,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:43,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:18:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:43,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 03:18:43,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:43,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 03:18:43,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:43,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 03:18:43,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:43,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 03:18:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:43,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 03:18:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:43,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 03:18:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:43,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-09 03:18:43,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:43,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 03:18:43,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:18:43,657 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2024-11-09 03:18:43,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:18:43,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659340117] [2024-11-09 03:18:43,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659340117] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:18:43,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:18:43,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 03:18:43,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258820697] [2024-11-09 03:18:43,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:18:43,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 03:18:43,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:18:43,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 03:18:43,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 03:18:43,697 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 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-09 03:18:47,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:18:52,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:19:04,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:19:04,243 INFO L93 Difference]: Finished difference Result 743 states and 1177 transitions. [2024-11-09 03:19:04,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 03:19:04,246 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (23), 4 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 [2024-11-09 03:19:04,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:19:04,261 INFO L225 Difference]: With dead ends: 743 [2024-11-09 03:19:04,261 INFO L226 Difference]: Without dead ends: 435 [2024-11-09 03:19:04,268 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 03:19:04,271 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 275 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 390 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 1020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 390 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.8s IncrementalHoareTripleChecker+Time [2024-11-09 03:19:04,272 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 356 Invalid, 1020 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [390 Valid, 628 Invalid, 2 Unknown, 0 Unchecked, 19.8s Time] [2024-11-09 03:19:04,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2024-11-09 03:19:04,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 319. [2024-11-09 03:19:04,358 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) [2024-11-09 03:19:04,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 432 transitions. [2024-11-09 03:19:04,364 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 432 transitions. Word has length 137 [2024-11-09 03:19:04,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:19:04,365 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 432 transitions. [2024-11-09 03:19:04,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-09 03:19:04,366 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 432 transitions. [2024-11-09 03:19:04,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 03:19:04,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:19:04,370 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] [2024-11-09 03:19:04,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 03:19:04,370 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:19:04,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:19:04,371 INFO L85 PathProgramCache]: Analyzing trace with hash 151566553, now seen corresponding path program 1 times [2024-11-09 03:19:04,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:19:04,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007975411] [2024-11-09 03:19:04,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:19:04,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:19:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:10,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:19:10,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:10,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 03:19:10,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:10,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:19:10,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:10,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 03:19:10,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:10,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 03:19:10,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:10,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 03:19:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:10,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 03:19:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:10,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 03:19:10,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:10,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 03:19:10,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:10,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 03:19:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:10,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:19:10,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:10,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:19:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:10,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 03:19:10,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:10,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:19:10,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:10,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:19:10,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:11,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 03:19:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:11,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 03:19:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:11,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 03:19:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:11,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 03:19:11,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:11,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 03:19:11,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:11,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 03:19:11,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:11,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-09 03:19:11,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:11,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 03:19:11,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:11,580 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-09 03:19:11,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:19:11,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007975411] [2024-11-09 03:19:11,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007975411] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 03:19:11,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [369088103] [2024-11-09 03:19:11,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:19:11,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 03:19:11,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:19:11,584 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) [2024-11-09 03:19:11,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 03:19:17,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:17,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 4433 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 03:19:17,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 03:19:18,748 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-09 03:19:18,748 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 03:19:18,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [369088103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:19:18,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 03:19:18,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2024-11-09 03:19:18,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747222403] [2024-11-09 03:19:18,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:19:18,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 03:19:18,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:19:18,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 03:19:18,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-09 03:19:18,753 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) [2024-11-09 03:19:21,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:19:21,741 INFO L93 Difference]: Finished difference Result 592 states and 806 transitions. [2024-11-09 03:19:21,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 03:19:21,742 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 [2024-11-09 03:19:21,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:19:21,746 INFO L225 Difference]: With dead ends: 592 [2024-11-09 03:19:21,746 INFO L226 Difference]: Without dead ends: 321 [2024-11-09 03:19:21,747 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-09 03:19:21,748 INFO L432 NwaCegarLoop]: 386 mSDtfsCounter, 434 mSDsluCounter, 1121 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s 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, 2.4s IncrementalHoareTripleChecker+Time [2024-11-09 03:19:21,749 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [438 Valid, 1507 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-09 03:19:21,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-09 03:19:21,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2024-11-09 03:19:21,782 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) [2024-11-09 03:19:21,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 437 transitions. [2024-11-09 03:19:21,785 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 437 transitions. Word has length 137 [2024-11-09 03:19:21,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:19:21,785 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 437 transitions. [2024-11-09 03:19:21,787 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) [2024-11-09 03:19:21,787 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 437 transitions. [2024-11-09 03:19:21,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-09 03:19:21,791 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:19:21,791 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] [2024-11-09 03:19:21,817 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 03:19:21,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 03:19:21,993 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:19:21,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:19:21,993 INFO L85 PathProgramCache]: Analyzing trace with hash 2041471789, now seen corresponding path program 1 times [2024-11-09 03:19:21,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:19:21,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86611316] [2024-11-09 03:19:21,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:19:21,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:19:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:27,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:19:27,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:27,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 03:19:27,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:27,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:19:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:27,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 03:19:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:27,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 03:19:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:27,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 03:19:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:27,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 03:19:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:27,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 03:19:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:27,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 03:19:27,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:28,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 03:19:28,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:28,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:19:28,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:28,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:19:28,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:28,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 03:19:28,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:28,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:19:28,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:28,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:19:28,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:28,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 03:19:28,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:28,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:19:28,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:29,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-09 03:19:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:29,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 03:19:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:29,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 03:19:29,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:29,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 03:19:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:29,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-09 03:19:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:29,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-09 03:19:29,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:29,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-09 03:19:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:29,365 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-09 03:19:29,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:19:29,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86611316] [2024-11-09 03:19:29,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86611316] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 03:19:29,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799714454] [2024-11-09 03:19:29,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:19:29,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 03:19:29,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:19:29,369 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) [2024-11-09 03:19:29,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 03:19:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:34,857 INFO L255 TraceCheckSpWp]: Trace formula consists of 4483 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 03:19:34,868 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 03:19:37,657 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-09 03:19:37,658 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 03:19:37,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1799714454] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:19:37,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 03:19:37,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2024-11-09 03:19:37,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923251503] [2024-11-09 03:19:37,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:19:37,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 03:19:37,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:19:37,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 03:19:37,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2024-11-09 03:19:37,660 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) [2024-11-09 03:19:44,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:19:44,190 INFO L93 Difference]: Finished difference Result 615 states and 853 transitions. [2024-11-09 03:19:44,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 03:19:44,191 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 [2024-11-09 03:19:44,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:19:44,196 INFO L225 Difference]: With dead ends: 615 [2024-11-09 03:19:44,196 INFO L226 Difference]: Without dead ends: 342 [2024-11-09 03:19:44,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2024-11-09 03:19:44,200 INFO L432 NwaCegarLoop]: 371 mSDtfsCounter, 482 mSDsluCounter, 1790 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 495 SdHoareTripleChecker+Valid, 2161 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-11-09 03:19:44,202 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [495 Valid, 2161 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2024-11-09 03:19:44,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2024-11-09 03:19:44,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 340. [2024-11-09 03:19:44,233 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) [2024-11-09 03:19:44,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 474 transitions. [2024-11-09 03:19:44,239 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 474 transitions. Word has length 145 [2024-11-09 03:19:44,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:19:44,239 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 474 transitions. [2024-11-09 03:19:44,239 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) [2024-11-09 03:19:44,240 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 474 transitions. [2024-11-09 03:19:44,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-09 03:19:44,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:19:44,243 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] [2024-11-09 03:19:44,272 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 03:19:44,443 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,SelfDestructingSolverStorable2 [2024-11-09 03:19:44,445 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:19:44,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:19:44,445 INFO L85 PathProgramCache]: Analyzing trace with hash -183154586, now seen corresponding path program 1 times [2024-11-09 03:19:44,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:19:44,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299434919] [2024-11-09 03:19:44,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:19:44,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:19:48,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:49,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:19:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:49,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 03:19:49,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:49,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:19:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:49,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 03:19:49,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:49,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 03:19:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:49,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 03:19:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:49,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 03:19:49,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:49,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 03:19:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:49,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 03:19:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:50,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 03:19:50,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:50,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:19:50,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:50,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:19:50,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:50,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 03:19:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:50,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:19:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:50,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:19:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:50,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 03:19:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:51,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:19:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:51,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:19:51,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:51,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:19:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:51,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 03:19:51,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:51,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 03:19:51,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:51,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 03:19:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:51,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-09 03:19:51,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:51,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-09 03:19:51,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:51,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-09 03:19:51,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:51,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 03:19:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:51,448 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-09 03:19:51,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:19:51,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299434919] [2024-11-09 03:19:51,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299434919] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 03:19:51,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664299837] [2024-11-09 03:19:51,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:19:51,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 03:19:51,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:19:51,452 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) [2024-11-09 03:19:51,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 03:19:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:19:56,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 4610 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 03:19:56,584 INFO L278 TraceCheckSpWp]: Computing forward predicates...