./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/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 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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-dev-84cfde4 [2024-10-11 14:48:26,039 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 14:48:26,120 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-11 14:48:26,125 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 14:48:26,127 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 14:48:26,149 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 14:48:26,150 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 14:48:26,150 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 14:48:26,151 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 14:48:26,151 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 14:48:26,152 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 14:48:26,152 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 14:48:26,153 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 14:48:26,153 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 14:48:26,153 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 14:48:26,154 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 14:48:26,154 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 14:48:26,154 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 14:48:26,154 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 14:48:26,155 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 14:48:26,155 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 14:48:26,160 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 14:48:26,160 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 14:48:26,161 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 14:48:26,161 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 14:48:26,161 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 14:48:26,161 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 14:48:26,162 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 14:48:26,162 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 14:48:26,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 14:48:26,162 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 14:48:26,162 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 14:48:26,163 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 14:48:26,163 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 14:48:26,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 14:48:26,164 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 14:48:26,165 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 14:48:26,165 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 14:48:26,165 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 14:48:26,166 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f01133064e8d36e68b9f85134d72a09d965175ad33f2003b7d0ebb14c50d01e [2024-10-11 14:48:26,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 14:48:26,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 14:48:26,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 14:48:26,454 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 14:48:26,455 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 14:48:26,456 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i [2024-10-11 14:48:27,905 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 14:48:28,354 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 14:48:28,354 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i [2024-10-11 14:48:28,391 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/96000c700/5ad576f2bd314c1bbb4efa7104f4223d/FLAG0dd2a7756 [2024-10-11 14:48:28,412 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/96000c700/5ad576f2bd314c1bbb4efa7104f4223d [2024-10-11 14:48:28,415 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 14:48:28,416 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 14:48:28,419 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 14:48:28,419 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 14:48:28,426 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 14:48:28,427 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:48:28" (1/1) ... [2024-10-11 14:48:28,428 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@406f4a3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:28, skipping insertion in model container [2024-10-11 14:48:28,429 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:48:28" (1/1) ... [2024-10-11 14:48:28,532 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 14:48:28,878 WARN L248 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] [2024-10-11 14:48:28,885 WARN L248 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] [2024-10-11 14:48:29,542 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:29,543 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:29,543 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:29,544 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:29,545 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:29,556 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:29,557 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:29,559 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:29,559 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:29,561 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:29,562 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:29,563 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:29,563 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:29,989 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:29,990 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:29,996 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,004 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,061 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,062 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,063 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,063 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,063 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,064 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,064 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,065 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,065 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,065 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,066 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,066 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,066 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,069 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,070 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,070 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,070 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,073 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,074 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,079 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,080 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,080 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 14:48:30,130 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 14:48:30,142 WARN L248 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] [2024-10-11 14:48:30,147 WARN L248 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] [2024-10-11 14:48:30,175 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,176 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,176 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,176 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,177 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,182 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,182 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,183 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,183 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,184 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,184 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,185 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,185 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,264 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,308 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,309 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,319 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,331 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7776-7787] [2024-10-11 14:48:30,361 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,362 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,363 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,364 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,365 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,365 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,365 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,366 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,366 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,366 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,367 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,367 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,367 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,369 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,396 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,396 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,397 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,398 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,399 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,407 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,408 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,408 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:30,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 14:48:30,615 INFO L204 MainTranslator]: Completed translation [2024-10-11 14:48:30,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:30 WrapperNode [2024-10-11 14:48:30,616 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 14:48:30,617 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 14:48:30,617 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 14:48:30,617 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 14:48:30,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:30" (1/1) ... [2024-10-11 14:48:30,710 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:30" (1/1) ... [2024-10-11 14:48:30,809 INFO L138 Inliner]: procedures = 686, calls = 1894, calls flagged for inlining = 60, calls inlined = 14, statements flattened = 846 [2024-10-11 14:48:30,809 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 14:48:30,810 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 14:48:30,810 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 14:48:30,810 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 14:48:30,827 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:30" (1/1) ... [2024-10-11 14:48:30,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:30" (1/1) ... [2024-10-11 14:48:30,844 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:30" (1/1) ... [2024-10-11 14:48:30,939 INFO L175 MemorySlicer]: Split 329 memory accesses to 6 slices as follows [236, 2, 18, 7, 63, 3]. 72 percent of accesses are in the largest equivalence class. The 257 initializations are split as follows [236, 2, 5, 2, 11, 1]. The 12 writes are split as follows [0, 0, 6, 1, 4, 1]. [2024-10-11 14:48:30,939 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:30" (1/1) ... [2024-10-11 14:48:30,939 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:30" (1/1) ... [2024-10-11 14:48:30,983 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:30" (1/1) ... [2024-10-11 14:48:30,991 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:30" (1/1) ... [2024-10-11 14:48:31,007 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:30" (1/1) ... [2024-10-11 14:48:31,021 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:30" (1/1) ... [2024-10-11 14:48:31,037 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 14:48:31,038 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 14:48:31,038 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 14:48:31,038 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 14:48:31,039 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:30" (1/1) ... [2024-10-11 14:48:31,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 14:48:31,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:48:31,084 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 14:48:31,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 14:48:31,132 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2024-10-11 14:48:31,132 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2024-10-11 14:48:31,132 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-10-11 14:48:31,132 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-10-11 14:48:31,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 14:48:31,133 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-10-11 14:48:31,133 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-10-11 14:48:31,133 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-10-11 14:48:31,133 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-10-11 14:48:31,134 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-11 14:48:31,134 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-11 14:48:31,134 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2024-10-11 14:48:31,134 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2024-10-11 14:48:31,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 14:48:31,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 14:48:31,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 14:48:31,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 14:48:31,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 14:48:31,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 14:48:31,135 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-10-11 14:48:31,136 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-10-11 14:48:31,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 14:48:31,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 14:48:31,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 14:48:31,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 14:48:31,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 14:48:31,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 14:48:31,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 14:48:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-11 14:48:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-11 14:48:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-11 14:48:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2024-10-11 14:48:31,138 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2024-10-11 14:48:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-10-11 14:48:31,138 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-10-11 14:48:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 14:48:31,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 14:48:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-11 14:48:31,139 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-11 14:48:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-10-11 14:48:31,139 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-10-11 14:48:31,140 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-10-11 14:48:31,140 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-10-11 14:48:31,140 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-10-11 14:48:31,140 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-10-11 14:48:31,140 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-10-11 14:48:31,140 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-10-11 14:48:31,140 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-10-11 14:48:31,140 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-10-11 14:48:31,141 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 14:48:31,141 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 14:48:31,141 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-10-11 14:48:31,141 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-10-11 14:48:31,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 14:48:31,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 14:48:31,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 14:48:31,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 14:48:31,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-11 14:48:31,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-11 14:48:31,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-11 14:48:31,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-11 14:48:31,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-11 14:48:31,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-11 14:48:31,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-11 14:48:31,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-11 14:48:31,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-11 14:48:31,144 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2024-10-11 14:48:31,144 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2024-10-11 14:48:31,144 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-11 14:48:31,144 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-11 14:48:31,144 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-10-11 14:48:31,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-10-11 14:48:31,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 14:48:31,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 14:48:31,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 14:48:31,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 14:48:31,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 14:48:31,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 14:48:31,146 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-10-11 14:48:31,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-10-11 14:48:31,146 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-10-11 14:48:31,146 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-10-11 14:48:31,146 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-10-11 14:48:31,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-10-11 14:48:31,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 14:48:31,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 14:48:31,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 14:48:31,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 14:48:31,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 14:48:31,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 14:48:31,484 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 14:48:31,486 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 14:48:32,515 INFO L? ?]: Removed 196 outVars from TransFormulas that were not future-live. [2024-10-11 14:48:32,515 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 14:48:32,664 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 14:48:32,664 INFO L314 CfgBuilder]: Removed 5 assume(true) statements. [2024-10-11 14:48:32,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:48:32 BoogieIcfgContainer [2024-10-11 14:48:32,665 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 14:48:32,669 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 14:48:32,669 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 14:48:32,672 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 14:48:32,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:48:28" (1/3) ... [2024-10-11 14:48:32,673 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@235af8df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:48:32, skipping insertion in model container [2024-10-11 14:48:32,674 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:30" (2/3) ... [2024-10-11 14:48:32,674 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@235af8df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:48:32, skipping insertion in model container [2024-10-11 14:48:32,674 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:48:32" (3/3) ... [2024-10-11 14:48:32,675 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_sift_up_harness.i [2024-10-11 14:48:32,693 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 14:48:32,693 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-11 14:48:32,767 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 14:48:32,772 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;@2d9b8739, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 14:48:32,772 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-11 14:48:32,777 INFO L276 IsEmpty]: Start isEmpty. Operand has 295 states, 166 states have (on average 1.2771084337349397) internal successors, (212), 169 states have internal predecessors, (212), 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) [2024-10-11 14:48:32,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-11 14:48:32,797 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:48:32,798 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 3, 3, 3, 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] [2024-10-11 14:48:32,799 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:48:32,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:48:32,805 INFO L85 PathProgramCache]: Analyzing trace with hash 122849333, now seen corresponding path program 1 times [2024-10-11 14:48:32,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:48:32,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891029823] [2024-10-11 14:48:32,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:48:32,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:48:33,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:33,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:33,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:48:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:33,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:33,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:33,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:48:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:33,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:48:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:33,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:48:33,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:33,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:48:33,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:33,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:48:33,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:33,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:48:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:33,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:48:33,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:33,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:33,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:33,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:33,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:33,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:48:33,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:33,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:33,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:33,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:33,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:33,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:48:33,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:33,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 14:48:33,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:33,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 14:48:33,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:33,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 14:48:33,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:33,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 14:48:33,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:33,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 14:48:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:33,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 14:48:33,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:33,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 14:48:33,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:33,833 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-10-11 14:48:33,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:48:33,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891029823] [2024-10-11 14:48:33,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891029823] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:48:33,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 14:48:33,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 14:48:33,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135234419] [2024-10-11 14:48:33,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:48:33,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 14:48:33,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:48:33,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 14:48:33,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 14:48:33,871 INFO L87 Difference]: Start difference. First operand has 295 states, 166 states have (on average 1.2771084337349397) internal successors, (212), 169 states have internal predecessors, (212), 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 9.25) internal successors, (37), 2 states have internal predecessors, (37), 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) [2024-10-11 14:48:35,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:48:35,815 INFO L93 Difference]: Finished difference Result 679 states and 1113 transitions. [2024-10-11 14:48:35,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 14:48:35,818 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 2 states have internal predecessors, (37), 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 123 [2024-10-11 14:48:35,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:48:35,839 INFO L225 Difference]: With dead ends: 679 [2024-10-11 14:48:35,839 INFO L226 Difference]: Without dead ends: 402 [2024-10-11 14:48:35,847 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 14:48:35,850 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 232 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 385 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 385 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-11 14:48:35,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 334 Invalid, 995 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [385 Valid, 610 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-11 14:48:35,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2024-10-11 14:48:35,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 292. [2024-10-11 14:48:35,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 165 states have (on average 1.2303030303030302) internal successors, (203), 167 states have internal predecessors, (203), 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) [2024-10-11 14:48:35,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 405 transitions. [2024-10-11 14:48:35,949 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 405 transitions. Word has length 123 [2024-10-11 14:48:35,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:48:35,950 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 405 transitions. [2024-10-11 14:48:35,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 2 states have internal predecessors, (37), 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) [2024-10-11 14:48:35,950 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 405 transitions. [2024-10-11 14:48:35,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-11 14:48:35,955 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:48:35,955 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 3, 3, 3, 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] [2024-10-11 14:48:35,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 14:48:35,955 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:48:35,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:48:35,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1180707993, now seen corresponding path program 1 times [2024-10-11 14:48:35,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:48:35,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256094133] [2024-10-11 14:48:35,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:48:35,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:48:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:36,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:48:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:36,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:48:36,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:48:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:48:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:48:36,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:48:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:48:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:48:36,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:48:36,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:36,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:36,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:48:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 14:48:36,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 14:48:36,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 14:48:36,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 14:48:36,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 14:48:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 14:48:36,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 14:48:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:36,849 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-10-11 14:48:36,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:48:36,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256094133] [2024-10-11 14:48:36,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256094133] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:48:36,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752646334] [2024-10-11 14:48:36,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:48:36,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:48:36,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:48:36,854 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:48:36,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 14:48:37,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:37,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 2237 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 14:48:37,363 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:48:37,470 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-10-11 14:48:37,471 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:48:37,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752646334] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:48:37,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:48:37,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2024-10-11 14:48:37,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72790792] [2024-10-11 14:48:37,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:48:37,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 14:48:37,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:48:37,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 14:48:37,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-11 14:48:37,475 INFO L87 Difference]: Start difference. First operand 292 states and 405 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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) [2024-10-11 14:48:37,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:48:37,798 INFO L93 Difference]: Finished difference Result 543 states and 757 transitions. [2024-10-11 14:48:37,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 14:48:37,799 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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 123 [2024-10-11 14:48:37,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:48:37,803 INFO L225 Difference]: With dead ends: 543 [2024-10-11 14:48:37,803 INFO L226 Difference]: Without dead ends: 294 [2024-10-11 14:48:37,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-11 14:48:37,806 INFO L432 NwaCegarLoop]: 362 mSDtfsCounter, 22 mSDsluCounter, 1035 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 1397 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 14:48:37,806 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 1397 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 14:48:37,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-10-11 14:48:37,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2024-10-11 14:48:37,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 166 states have (on average 1.2289156626506024) internal successors, (204), 169 states have internal predecessors, (204), 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) [2024-10-11 14:48:37,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 410 transitions. [2024-10-11 14:48:37,851 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 410 transitions. Word has length 123 [2024-10-11 14:48:37,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:48:37,852 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 410 transitions. [2024-10-11 14:48:37,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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) [2024-10-11 14:48:37,853 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 410 transitions. [2024-10-11 14:48:37,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-10-11 14:48:37,857 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:48:37,857 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 3, 3, 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] [2024-10-11 14:48:37,880 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 14:48:38,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:48:38,059 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:48:38,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:48:38,059 INFO L85 PathProgramCache]: Analyzing trace with hash 190238355, now seen corresponding path program 1 times [2024-10-11 14:48:38,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:48:38,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114677088] [2024-10-11 14:48:38,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:48:38,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:48:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:38,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:48:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:38,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:48:38,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:48:38,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:48:38,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:48:38,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:48:38,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:48:38,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:48:38,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:38,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:48:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:38,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:48:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 14:48:38,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 14:48:38,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 14:48:38,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 14:48:38,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 14:48:38,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 14:48:38,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 14:48:38,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:38,945 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-10-11 14:48:38,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:48:38,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114677088] [2024-10-11 14:48:38,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114677088] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:48:38,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731306553] [2024-10-11 14:48:38,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:48:38,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:48:38,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:48:38,950 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:48:38,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 14:48:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:39,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 2287 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 14:48:39,448 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:48:39,569 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-10-11 14:48:39,570 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:48:39,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [731306553] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:48:39,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:48:39,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2024-10-11 14:48:39,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594173605] [2024-10-11 14:48:39,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:48:39,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 14:48:39,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:48:39,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 14:48:39,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-10-11 14:48:39,573 INFO L87 Difference]: Start difference. First operand 294 states and 410 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 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) [2024-10-11 14:48:40,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:48:40,053 INFO L93 Difference]: Finished difference Result 566 states and 804 transitions. [2024-10-11 14:48:40,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 14:48:40,053 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 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 131 [2024-10-11 14:48:40,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:48:40,057 INFO L225 Difference]: With dead ends: 566 [2024-10-11 14:48:40,057 INFO L226 Difference]: Without dead ends: 315 [2024-10-11 14:48:40,058 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-10-11 14:48:40,059 INFO L432 NwaCegarLoop]: 362 mSDtfsCounter, 49 mSDsluCounter, 1715 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 2077 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 14:48:40,060 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 2077 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 14:48:40,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-10-11 14:48:40,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 313. [2024-10-11 14:48:40,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 182 states have (on average 1.2417582417582418) internal successors, (226), 185 states have internal predecessors, (226), 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) [2024-10-11 14:48:40,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 447 transitions. [2024-10-11 14:48:40,084 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 447 transitions. Word has length 131 [2024-10-11 14:48:40,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:48:40,085 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 447 transitions. [2024-10-11 14:48:40,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 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) [2024-10-11 14:48:40,085 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 447 transitions. [2024-10-11 14:48:40,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-10-11 14:48:40,087 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:48:40,088 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 3, 3, 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] [2024-10-11 14:48:40,110 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-11 14:48:40,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:48:40,292 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:48:40,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:48:40,292 INFO L85 PathProgramCache]: Analyzing trace with hash 695428913, now seen corresponding path program 1 times [2024-10-11 14:48:40,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:48:40,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175511053] [2024-10-11 14:48:40,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:48:40,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:48:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:40,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:40,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:40,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:48:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:40,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:40,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:40,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:48:40,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:40,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:48:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:40,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:48:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:40,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:48:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:40,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:48:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:40,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:48:40,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:40,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:48:40,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:40,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:40,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:40,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:40,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:48:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:48:41,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:41,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:41,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:41,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 14:48:41,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 14:48:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 14:48:41,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 14:48:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 14:48:41,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 14:48:41,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 14:48:41,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,309 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-10-11 14:48:41,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:48:41,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175511053] [2024-10-11 14:48:41,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175511053] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:48:41,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802031311] [2024-10-11 14:48:41,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:48:41,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:48:41,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:48:41,312 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:48:41,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 14:48:41,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 2422 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 14:48:41,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:48:41,929 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-10-11 14:48:41,931 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:48:41,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1802031311] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:48:41,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:48:41,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2024-10-11 14:48:41,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656861504] [2024-10-11 14:48:41,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:48:41,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 14:48:41,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:48:41,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 14:48:41,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-10-11 14:48:41,935 INFO L87 Difference]: Start difference. First operand 313 states and 447 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 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) [2024-10-11 14:48:42,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:48:42,302 INFO L93 Difference]: Finished difference Result 589 states and 848 transitions. [2024-10-11 14:48:42,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 14:48:42,303 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 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 144 [2024-10-11 14:48:42,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:48:42,310 INFO L225 Difference]: With dead ends: 589 [2024-10-11 14:48:42,310 INFO L226 Difference]: Without dead ends: 319 [2024-10-11 14:48:42,312 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-10-11 14:48:42,313 INFO L432 NwaCegarLoop]: 356 mSDtfsCounter, 39 mSDsluCounter, 1344 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 1700 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 14:48:42,314 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 1700 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 14:48:42,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-10-11 14:48:42,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 313. [2024-10-11 14:48:42,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 182 states have (on average 1.2417582417582418) internal successors, (226), 185 states have internal predecessors, (226), 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) [2024-10-11 14:48:42,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 447 transitions. [2024-10-11 14:48:42,348 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 447 transitions. Word has length 144 [2024-10-11 14:48:42,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:48:42,350 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 447 transitions. [2024-10-11 14:48:42,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 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) [2024-10-11 14:48:42,351 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 447 transitions. [2024-10-11 14:48:42,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-10-11 14:48:42,353 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:48:42,353 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:48:42,375 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 14:48:42,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:48:42,554 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:48:42,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:48:42,554 INFO L85 PathProgramCache]: Analyzing trace with hash -637227882, now seen corresponding path program 1 times [2024-10-11 14:48:42,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:48:42,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548177079] [2024-10-11 14:48:42,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:48:42,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:48:42,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:43,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:48:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:43,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:48:43,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:48:43,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:48:43,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:48:43,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:48:43,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:48:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:48:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:43,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:43,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:48:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:43,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:48:43,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:43,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:43,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:43,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:48:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 14:48:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 14:48:43,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 14:48:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 14:48:43,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-11 14:48:43,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 14:48:43,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 14:48:43,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,650 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-10-11 14:48:43,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:48:43,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548177079] [2024-10-11 14:48:43,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548177079] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:48:43,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571166258] [2024-10-11 14:48:43,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:48:43,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:48:43,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:48:43,653 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:48:43,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 14:48:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:44,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 2494 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 14:48:44,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:48:44,351 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 14:48:44,351 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:48:44,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [571166258] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:48:44,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:48:44,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2024-10-11 14:48:44,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560970943] [2024-10-11 14:48:44,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:48:44,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 14:48:44,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:48:44,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 14:48:44,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2024-10-11 14:48:44,355 INFO L87 Difference]: Start difference. First operand 313 states and 447 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 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) [2024-10-11 14:48:44,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:48:44,980 INFO L93 Difference]: Finished difference Result 600 states and 862 transitions. [2024-10-11 14:48:44,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 14:48:44,981 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 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 160 [2024-10-11 14:48:44,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:48:44,985 INFO L225 Difference]: With dead ends: 600 [2024-10-11 14:48:44,988 INFO L226 Difference]: Without dead ends: 330 [2024-10-11 14:48:44,990 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2024-10-11 14:48:44,990 INFO L432 NwaCegarLoop]: 339 mSDtfsCounter, 74 mSDsluCounter, 1931 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 2270 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 14:48:44,991 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 2270 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 14:48:44,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-10-11 14:48:45,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 313. [2024-10-11 14:48:45,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 182 states have (on average 1.2417582417582418) internal successors, (226), 185 states have internal predecessors, (226), 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) [2024-10-11 14:48:45,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 447 transitions. [2024-10-11 14:48:45,039 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 447 transitions. Word has length 160 [2024-10-11 14:48:45,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:48:45,039 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 447 transitions. [2024-10-11 14:48:45,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 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) [2024-10-11 14:48:45,040 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 447 transitions. [2024-10-11 14:48:45,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-10-11 14:48:45,043 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:48:45,043 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:48:45,065 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-11 14:48:45,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:48:45,248 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:48:45,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:48:45,249 INFO L85 PathProgramCache]: Analyzing trace with hash 686263372, now seen corresponding path program 1 times [2024-10-11 14:48:45,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:48:45,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296342403] [2024-10-11 14:48:45,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:48:45,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:48:45,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:48:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:48:45,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:48:45,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:48:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:48:45,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:48:45,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:48:45,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:48:45,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:48:45,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:45,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:45,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:48:45,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:48:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:46,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:46,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:46,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 14:48:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:46,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 14:48:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:46,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 14:48:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:46,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 14:48:46,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:46,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 14:48:46,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:46,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 14:48:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:46,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 14:48:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:46,134 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-10-11 14:48:46,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:48:46,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296342403] [2024-10-11 14:48:46,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296342403] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:48:46,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889461724] [2024-10-11 14:48:46,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:48:46,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:48:46,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:48:46,137 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:48:46,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 14:48:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:46,676 INFO L255 TraceCheckSpWp]: Trace formula consists of 2629 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 14:48:46,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:48:46,793 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-10-11 14:48:46,793 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:48:46,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889461724] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:48:46,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:48:46,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2024-10-11 14:48:46,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295695845] [2024-10-11 14:48:46,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:48:46,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 14:48:46,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:48:46,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 14:48:46,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-10-11 14:48:46,795 INFO L87 Difference]: Start difference. First operand 313 states and 447 transitions. Second operand has 7 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 4 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) [2024-10-11 14:48:47,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:48:47,186 INFO L93 Difference]: Finished difference Result 555 states and 801 transitions. [2024-10-11 14:48:47,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 14:48:47,186 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 4 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) Word has length 173 [2024-10-11 14:48:47,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:48:47,189 INFO L225 Difference]: With dead ends: 555 [2024-10-11 14:48:47,189 INFO L226 Difference]: Without dead ends: 315 [2024-10-11 14:48:47,191 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2024-10-11 14:48:47,192 INFO L432 NwaCegarLoop]: 360 mSDtfsCounter, 51 mSDsluCounter, 1705 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 2065 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 14:48:47,192 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 2065 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 14:48:47,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-10-11 14:48:47,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 315. [2024-10-11 14:48:47,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 183 states have (on average 1.2404371584699454) internal successors, (227), 187 states have internal predecessors, (227), 104 states have call successors, (104), 24 states have call predecessors, (104), 26 states have return successors, (119), 103 states have call predecessors, (119), 102 states have call successors, (119) [2024-10-11 14:48:47,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 450 transitions. [2024-10-11 14:48:47,211 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 450 transitions. Word has length 173 [2024-10-11 14:48:47,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:48:47,212 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 450 transitions. [2024-10-11 14:48:47,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 4 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) [2024-10-11 14:48:47,212 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 450 transitions. [2024-10-11 14:48:47,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-10-11 14:48:47,215 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:48:47,215 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2024-10-11 14:48:47,237 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 14:48:47,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:48:47,416 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:48:47,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:48:47,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1457538526, now seen corresponding path program 1 times [2024-10-11 14:48:47,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:48:47,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080403669] [2024-10-11 14:48:47,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:48:47,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:48:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:48:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:48,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:48:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:48:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:48:48,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:48:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:48:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:48:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:48:48,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:48,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:48:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:48:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:48,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:48,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:48:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 14:48:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 14:48:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 14:48:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 14:48:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:48,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:48,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 14:48:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 14:48:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 14:48:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:48,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:48,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,583 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2024-10-11 14:48:48,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:48:48,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080403669] [2024-10-11 14:48:48,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080403669] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:48:48,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48325947] [2024-10-11 14:48:48,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:48:48,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:48:48,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:48:48,586 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:48:48,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 14:48:49,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:49,211 INFO L255 TraceCheckSpWp]: Trace formula consists of 2999 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 14:48:49,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:48:49,348 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-10-11 14:48:49,349 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:48:49,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48325947] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:48:49,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:48:49,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2024-10-11 14:48:49,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327171110] [2024-10-11 14:48:49,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:48:49,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 14:48:49,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:48:49,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 14:48:49,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2024-10-11 14:48:49,352 INFO L87 Difference]: Start difference. First operand 315 states and 450 transitions. Second operand has 8 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 5 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) [2024-10-11 14:48:49,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:48:49,749 INFO L93 Difference]: Finished difference Result 560 states and 808 transitions. [2024-10-11 14:48:49,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 14:48:49,750 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 5 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) Word has length 215 [2024-10-11 14:48:49,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:48:49,753 INFO L225 Difference]: With dead ends: 560 [2024-10-11 14:48:49,753 INFO L226 Difference]: Without dead ends: 318 [2024-10-11 14:48:49,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2024-10-11 14:48:49,755 INFO L432 NwaCegarLoop]: 354 mSDtfsCounter, 68 mSDsluCounter, 2000 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 2354 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 14:48:49,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 2354 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 14:48:49,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-10-11 14:48:49,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 316. [2024-10-11 14:48:49,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 184 states have (on average 1.2391304347826086) internal successors, (228), 188 states have internal predecessors, (228), 104 states have call successors, (104), 24 states have call predecessors, (104), 26 states have return successors, (119), 103 states have call predecessors, (119), 102 states have call successors, (119) [2024-10-11 14:48:49,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 451 transitions. [2024-10-11 14:48:49,777 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 451 transitions. Word has length 215 [2024-10-11 14:48:49,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:48:49,778 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 451 transitions. [2024-10-11 14:48:49,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 5 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) [2024-10-11 14:48:49,778 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 451 transitions. [2024-10-11 14:48:49,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-10-11 14:48:49,781 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:48:49,781 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-11 14:48:49,805 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 14:48:49,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-10-11 14:48:49,982 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:48:49,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:48:49,982 INFO L85 PathProgramCache]: Analyzing trace with hash 180104622, now seen corresponding path program 1 times [2024-10-11 14:48:49,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:48:49,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206862451] [2024-10-11 14:48:49,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:48:49,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:48:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:50,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:50,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:50,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:48:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:50,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:50,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:50,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:48:50,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:50,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:48:50,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:50,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:48:50,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:50,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:48:50,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:50,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:48:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:50,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:48:50,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:50,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:48:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:50,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:50,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:50,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:50,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:50,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:48:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:50,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:50,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:50,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:50,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:48:50,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:50,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:50,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:50,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:50,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:50,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:48:50,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:50,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:50,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 14:48:51,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 14:48:51,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 14:48:51,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 14:48:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:51,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 14:48:51,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 14:48:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 14:48:51,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:51,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:51,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,318 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 25 proven. 28 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2024-10-11 14:48:51,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:48:51,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206862451] [2024-10-11 14:48:51,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206862451] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:48:51,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712331876] [2024-10-11 14:48:51,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:48:51,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:48:51,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:48:51,322 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:48:51,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 14:48:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:51,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 2873 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 14:48:51,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:48:52,107 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 137 proven. 3 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-10-11 14:48:52,107 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 14:48:52,540 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 25 proven. 28 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2024-10-11 14:48:52,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1712331876] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 14:48:52,541 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 14:48:52,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 9] total 24 [2024-10-11 14:48:52,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125702666] [2024-10-11 14:48:52,541 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 14:48:52,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-11 14:48:52,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:48:52,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-11 14:48:52,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=484, Unknown=0, NotChecked=0, Total=552 [2024-10-11 14:48:52,544 INFO L87 Difference]: Start difference. First operand 316 states and 451 transitions. Second operand has 24 states, 21 states have (on average 8.0) internal successors, (168), 18 states have internal predecessors, (168), 13 states have call successors, (76), 8 states have call predecessors, (76), 6 states have return successors, (67), 7 states have call predecessors, (67), 13 states have call successors, (67) [2024-10-11 14:48:55,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:48:55,966 INFO L93 Difference]: Finished difference Result 679 states and 1015 transitions. [2024-10-11 14:48:55,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-11 14:48:55,967 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 21 states have (on average 8.0) internal successors, (168), 18 states have internal predecessors, (168), 13 states have call successors, (76), 8 states have call predecessors, (76), 6 states have return successors, (67), 7 states have call predecessors, (67), 13 states have call successors, (67) Word has length 221 [2024-10-11 14:48:55,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:48:55,971 INFO L225 Difference]: With dead ends: 679 [2024-10-11 14:48:55,971 INFO L226 Difference]: Without dead ends: 436 [2024-10-11 14:48:55,973 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 523 GetRequests, 490 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=153, Invalid=903, Unknown=0, NotChecked=0, Total=1056 [2024-10-11 14:48:55,974 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 394 mSDsluCounter, 1506 mSDsCounter, 0 mSdLazyCounter, 3699 mSolverCounterSat, 431 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 1682 SdHoareTripleChecker+Invalid, 4130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 431 IncrementalHoareTripleChecker+Valid, 3699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-10-11 14:48:55,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 1682 Invalid, 4130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [431 Valid, 3699 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-10-11 14:48:55,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-10-11 14:48:55,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 329. [2024-10-11 14:48:55,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 196 states have (on average 1.25) internal successors, (245), 199 states have internal predecessors, (245), 105 states have call successors, (105), 24 states have call predecessors, (105), 26 states have return successors, (120), 105 states have call predecessors, (120), 103 states have call successors, (120) [2024-10-11 14:48:55,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 470 transitions. [2024-10-11 14:48:56,000 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 470 transitions. Word has length 221 [2024-10-11 14:48:56,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:48:56,003 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 470 transitions. [2024-10-11 14:48:56,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 21 states have (on average 8.0) internal successors, (168), 18 states have internal predecessors, (168), 13 states have call successors, (76), 8 states have call predecessors, (76), 6 states have return successors, (67), 7 states have call predecessors, (67), 13 states have call successors, (67) [2024-10-11 14:48:56,003 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 470 transitions. [2024-10-11 14:48:56,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-10-11 14:48:56,006 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:48:56,006 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-10-11 14:48:56,030 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-11 14:48:56,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:48:56,207 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:48:56,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:48:56,207 INFO L85 PathProgramCache]: Analyzing trace with hash -324694398, now seen corresponding path program 2 times [2024-10-11 14:48:56,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:48:56,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409210100] [2024-10-11 14:48:56,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:48:56,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:48:56,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:56,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:56,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:48:56,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:56,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:56,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:56,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:48:56,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:56,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:48:56,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:56,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:48:56,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:56,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:48:56,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:56,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:48:56,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:56,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:48:56,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:56,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:48:56,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:57,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:57,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:57,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:57,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:48:57,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:57,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:57,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:57,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:57,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:57,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:48:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:57,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:57,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:57,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:57,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:57,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:57,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:48:57,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:57,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:57,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:57,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:57,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 14:48:57,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:57,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 14:48:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:57,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 14:48:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:57,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 14:48:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:57,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:57,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:57,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:57,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:57,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:57,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:57,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:48:57,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:57,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 14:48:57,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:57,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 14:48:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:57,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-11 14:48:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:57,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:57,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:57,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:57,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:57,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:57,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:48:57,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:57,625 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 28 proven. 25 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2024-10-11 14:48:57,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:48:57,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409210100] [2024-10-11 14:48:57,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409210100] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:48:57,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648883166] [2024-10-11 14:48:57,625 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 14:48:57,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:48:57,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:48:57,627 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:48:57,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-11 14:48:58,209 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-11 14:48:58,210 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 14:48:58,218 INFO L255 TraceCheckSpWp]: Trace formula consists of 1868 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 14:48:58,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:48:58,278 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2024-10-11 14:48:58,279 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:48:58,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1648883166] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:48:58,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:48:58,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2024-10-11 14:48:58,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16762350] [2024-10-11 14:48:58,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:48:58,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 14:48:58,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:48:58,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 14:48:58,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2024-10-11 14:48:58,283 INFO L87 Difference]: Start difference. First operand 329 states and 470 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (26), 3 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-11 14:48:58,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:48:58,604 INFO L93 Difference]: Finished difference Result 589 states and 854 transitions. [2024-10-11 14:48:58,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 14:48:58,605 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (26), 3 states have call predecessors, (26), 1 states have call successors, (26) Word has length 247 [2024-10-11 14:48:58,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:48:58,608 INFO L225 Difference]: With dead ends: 589 [2024-10-11 14:48:58,608 INFO L226 Difference]: Without dead ends: 333 [2024-10-11 14:48:58,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2024-10-11 14:48:58,611 INFO L432 NwaCegarLoop]: 378 mSDtfsCounter, 1 mSDsluCounter, 1125 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1503 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 14:48:58,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1503 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 14:48:58,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2024-10-11 14:48:58,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 331. [2024-10-11 14:48:58,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 198 states have (on average 1.2424242424242424) internal successors, (246), 200 states have internal predecessors, (246), 105 states have call successors, (105), 24 states have call predecessors, (105), 26 states have return successors, (120), 106 states have call predecessors, (120), 103 states have call successors, (120) [2024-10-11 14:48:58,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 471 transitions. [2024-10-11 14:48:58,631 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 471 transitions. Word has length 247 [2024-10-11 14:48:58,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:48:58,631 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 471 transitions. [2024-10-11 14:48:58,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (26), 3 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-11 14:48:58,632 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 471 transitions. [2024-10-11 14:48:58,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-10-11 14:48:58,635 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:48:58,635 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-10-11 14:48:58,656 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-11 14:48:58,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:48:58,836 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:48:58,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:48:58,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1836141502, now seen corresponding path program 1 times [2024-10-11 14:48:58,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:48:58,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164870588] [2024-10-11 14:48:58,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:48:58,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:48:58,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:59,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:59,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:59,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:48:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:59,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:59,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:48:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:59,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:48:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:59,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:48:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:59,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:48:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:59,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:48:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:59,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:48:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:59,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:48:59,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:59,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:59,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:59,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:59,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:48:59,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:59,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:59,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:59,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:59,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:48:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:59,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:59,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:59,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:59,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:59,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:59,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:48:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:59,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:59,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:59,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:59,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:59,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 14:48:59,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:59,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 14:48:59,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:59,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 14:48:59,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:59,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 14:48:59,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:59,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:59,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:59,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:59,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:59,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:59,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:48:59,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:00,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 14:49:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:00,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 14:49:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:00,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-11 14:49:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:00,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:00,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:00,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:00,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:00,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:00,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:49:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:00,131 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 28 proven. 25 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2024-10-11 14:49:00,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:49:00,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164870588] [2024-10-11 14:49:00,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164870588] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:49:00,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476963306] [2024-10-11 14:49:00,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:49:00,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:49:00,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:49:00,134 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:49:00,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-11 14:49:00,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:00,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 3137 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 14:49:00,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:49:00,958 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-10-11 14:49:00,958 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:49:00,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476963306] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:49:00,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:49:00,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [13] total 15 [2024-10-11 14:49:00,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782189436] [2024-10-11 14:49:00,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:49:00,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 14:49:00,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:49:00,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 14:49:00,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2024-10-11 14:49:00,962 INFO L87 Difference]: Start difference. First operand 331 states and 471 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-10-11 14:49:01,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:49:01,152 INFO L93 Difference]: Finished difference Result 625 states and 904 transitions. [2024-10-11 14:49:01,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 14:49:01,152 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 247 [2024-10-11 14:49:01,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:49:01,156 INFO L225 Difference]: With dead ends: 625 [2024-10-11 14:49:01,156 INFO L226 Difference]: Without dead ends: 337 [2024-10-11 14:49:01,158 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2024-10-11 14:49:01,159 INFO L432 NwaCegarLoop]: 378 mSDtfsCounter, 1 mSDsluCounter, 748 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1126 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 14:49:01,159 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1126 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 14:49:01,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-10-11 14:49:01,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 335. [2024-10-11 14:49:01,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 202 states have (on average 1.2326732673267327) internal successors, (249), 204 states have internal predecessors, (249), 105 states have call successors, (105), 24 states have call predecessors, (105), 26 states have return successors, (120), 106 states have call predecessors, (120), 103 states have call successors, (120) [2024-10-11 14:49:01,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 474 transitions. [2024-10-11 14:49:01,179 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 474 transitions. Word has length 247 [2024-10-11 14:49:01,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:49:01,179 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 474 transitions. [2024-10-11 14:49:01,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-10-11 14:49:01,180 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 474 transitions. [2024-10-11 14:49:01,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-10-11 14:49:01,183 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:49:01,183 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-10-11 14:49:01,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-11 14:49:01,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:49:01,384 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:49:01,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:49:01,385 INFO L85 PathProgramCache]: Analyzing trace with hash -434396586, now seen corresponding path program 1 times [2024-10-11 14:49:01,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:49:01,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493397428] [2024-10-11 14:49:01,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:49:01,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:49:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:04,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:04,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:04,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:49:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:04,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:49:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:04,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:49:04,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:04,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:49:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:04,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:49:04,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:04,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:49:04,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:04,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:49:04,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:04,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:49:04,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:04,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:49:04,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:04,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:49:04,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:04,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:49:04,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:04,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:49:04,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:04,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:49:04,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:04,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:49:04,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:04,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:49:04,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:05,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:05,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:05,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:05,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:05,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:05,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:05,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:49:05,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:05,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:05,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:05,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:05,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 14:49:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:05,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 14:49:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:05,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 14:49:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:05,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 14:49:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:05,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:05,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:05,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:05,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:05,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:49:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:05,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:05,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:05,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:05,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:05,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-11 14:49:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:05,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 14:49:05,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:05,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-11 14:49:05,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:05,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:05,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:05,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:05,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:05,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:05,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:49:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:05,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:05,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:05,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:05,541 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 430 trivial. 0 not checked. [2024-10-11 14:49:05,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:49:05,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493397428] [2024-10-11 14:49:05,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493397428] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:49:05,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1627161060] [2024-10-11 14:49:05,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:49:05,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:49:05,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:49:05,544 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:49:05,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-11 14:49:06,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:06,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 3413 conjuncts, 70 conjuncts are in the unsatisfiable core [2024-10-11 14:49:06,429 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:49:06,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-10-11 14:49:06,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-10-11 14:49:06,875 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2024-10-11 14:49:06,875 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:49:06,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1627161060] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:49:06,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:49:06,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [9] total 20 [2024-10-11 14:49:06,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520590171] [2024-10-11 14:49:06,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:49:06,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 14:49:06,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:49:06,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 14:49:06,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2024-10-11 14:49:06,877 INFO L87 Difference]: Start difference. First operand 335 states and 474 transitions. Second operand has 13 states, 13 states have (on average 7.769230769230769) internal successors, (101), 13 states have internal predecessors, (101), 6 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 6 states have call predecessors, (30), 6 states have call successors, (30) [2024-10-11 14:49:08,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:49:08,913 INFO L93 Difference]: Finished difference Result 665 states and 959 transitions. [2024-10-11 14:49:08,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 14:49:08,914 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.769230769230769) internal successors, (101), 13 states have internal predecessors, (101), 6 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 6 states have call predecessors, (30), 6 states have call successors, (30) Word has length 273 [2024-10-11 14:49:08,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:49:08,918 INFO L225 Difference]: With dead ends: 665 [2024-10-11 14:49:08,918 INFO L226 Difference]: Without dead ends: 373 [2024-10-11 14:49:08,921 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=76, Invalid=574, Unknown=0, NotChecked=0, Total=650 [2024-10-11 14:49:08,921 INFO L432 NwaCegarLoop]: 376 mSDtfsCounter, 45 mSDsluCounter, 3515 mSDsCounter, 0 mSdLazyCounter, 838 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 3891 SdHoareTripleChecker+Invalid, 839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-11 14:49:08,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 3891 Invalid, 839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 838 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-11 14:49:08,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-10-11 14:49:08,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 364. [2024-10-11 14:49:08,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 230 states have (on average 1.2434782608695651) internal successors, (286), 231 states have internal predecessors, (286), 105 states have call successors, (105), 24 states have call predecessors, (105), 27 states have return successors, (131), 108 states have call predecessors, (131), 103 states have call successors, (131) [2024-10-11 14:49:08,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 522 transitions. [2024-10-11 14:49:08,943 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 522 transitions. Word has length 273 [2024-10-11 14:49:08,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:49:08,943 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 522 transitions. [2024-10-11 14:49:08,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.769230769230769) internal successors, (101), 13 states have internal predecessors, (101), 6 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 6 states have call predecessors, (30), 6 states have call successors, (30) [2024-10-11 14:49:08,943 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 522 transitions. [2024-10-11 14:49:08,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-10-11 14:49:08,946 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:49:08,946 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-10-11 14:49:08,972 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-11 14:49:09,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-11 14:49:09,147 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:49:09,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:49:09,147 INFO L85 PathProgramCache]: Analyzing trace with hash -796937024, now seen corresponding path program 1 times [2024-10-11 14:49:09,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:49:09,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242204213] [2024-10-11 14:49:09,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:49:09,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:49:09,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:09,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:09,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:09,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:49:09,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:09,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:49:09,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:09,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:49:09,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:09,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:49:09,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:09,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:49:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:09,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:49:09,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:09,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:49:09,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:09,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:49:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:09,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:49:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:09,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:49:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:09,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:49:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:09,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:49:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:09,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:49:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:09,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:49:09,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:09,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:49:09,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:09,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:10,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:49:10,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:10,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 14:49:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 14:49:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 14:49:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 14:49:10,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:49:10,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 14:49:10,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 14:49:10,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-11 14:49:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:10,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:10,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:49:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:10,383 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 28 proven. 25 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2024-10-11 14:49:10,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:49:10,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242204213] [2024-10-11 14:49:10,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242204213] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:49:10,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [682588713] [2024-10-11 14:49:10,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:49:10,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:49:10,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:49:10,386 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:49:10,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-11 14:49:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:11,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 3122 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 14:49:11,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:49:11,231 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-10-11 14:49:11,231 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:49:11,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [682588713] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:49:11,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:49:11,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [13] total 15 [2024-10-11 14:49:11,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691976780] [2024-10-11 14:49:11,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:49:11,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 14:49:11,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:49:11,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 14:49:11,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2024-10-11 14:49:11,233 INFO L87 Difference]: Start difference. First operand 364 states and 522 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-10-11 14:49:11,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:49:11,460 INFO L93 Difference]: Finished difference Result 685 states and 1014 transitions. [2024-10-11 14:49:11,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 14:49:11,460 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 247 [2024-10-11 14:49:11,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:49:11,464 INFO L225 Difference]: With dead ends: 685 [2024-10-11 14:49:11,464 INFO L226 Difference]: Without dead ends: 364 [2024-10-11 14:49:11,466 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2024-10-11 14:49:11,467 INFO L432 NwaCegarLoop]: 381 mSDtfsCounter, 0 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1133 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 14:49:11,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1133 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 14:49:11,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-10-11 14:49:11,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 364. [2024-10-11 14:49:11,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 230 states have (on average 1.2391304347826086) internal successors, (285), 231 states have internal predecessors, (285), 105 states have call successors, (105), 24 states have call predecessors, (105), 27 states have return successors, (131), 108 states have call predecessors, (131), 103 states have call successors, (131) [2024-10-11 14:49:11,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 521 transitions. [2024-10-11 14:49:11,486 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 521 transitions. Word has length 247 [2024-10-11 14:49:11,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:49:11,486 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 521 transitions. [2024-10-11 14:49:11,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-10-11 14:49:11,486 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 521 transitions. [2024-10-11 14:49:11,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-10-11 14:49:11,488 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:49:11,488 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-10-11 14:49:11,512 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-11 14:49:11,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-11 14:49:11,689 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:49:11,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:49:11,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1856131018, now seen corresponding path program 1 times [2024-10-11 14:49:11,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:49:11,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871584226] [2024-10-11 14:49:11,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:49:11,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:49:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:49:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:49:15,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:49:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:49:15,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:49:15,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:49:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:49:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:49:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:49:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:49:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:49:15,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:49:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:49:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:49:15,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:49:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:15,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:15,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:49:15,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:15,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:15,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:16,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 14:49:16,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:16,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 14:49:16,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:16,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 14:49:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:16,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 14:49:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:16,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:16,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:16,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:16,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:16,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:49:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:16,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:16,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:16,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:16,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 14:49:16,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:16,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 14:49:16,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:16,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-11 14:49:16,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:16,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:16,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:16,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:16,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:16,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:49:16,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:16,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:16,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:16,246 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 6 proven. 56 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2024-10-11 14:49:16,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:49:16,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871584226] [2024-10-11 14:49:16,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871584226] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:49:16,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007755726] [2024-10-11 14:49:16,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:49:16,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:49:16,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:49:16,249 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:49:16,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-11 14:49:17,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:17,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 3443 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-11 14:49:17,157 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:49:17,340 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2024-10-11 14:49:17,340 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:49:17,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007755726] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:49:17,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:49:17,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2024-10-11 14:49:17,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387751112] [2024-10-11 14:49:17,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:49:17,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 14:49:17,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:49:17,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 14:49:17,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-10-11 14:49:17,344 INFO L87 Difference]: Start difference. First operand 364 states and 521 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 4 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2024-10-11 14:49:18,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:49:18,378 INFO L93 Difference]: Finished difference Result 722 states and 1041 transitions. [2024-10-11 14:49:18,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 14:49:18,379 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 4 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) Word has length 279 [2024-10-11 14:49:18,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:49:18,384 INFO L225 Difference]: With dead ends: 722 [2024-10-11 14:49:18,384 INFO L226 Difference]: Without dead ends: 401 [2024-10-11 14:49:18,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 355 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2024-10-11 14:49:18,388 INFO L432 NwaCegarLoop]: 381 mSDtfsCounter, 26 mSDsluCounter, 1724 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 2105 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 14:49:18,389 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 2105 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 14:49:18,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2024-10-11 14:49:18,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 372. [2024-10-11 14:49:18,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 238 states have (on average 1.23109243697479) internal successors, (293), 239 states have internal predecessors, (293), 105 states have call successors, (105), 24 states have call predecessors, (105), 27 states have return successors, (131), 108 states have call predecessors, (131), 103 states have call successors, (131) [2024-10-11 14:49:18,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 529 transitions. [2024-10-11 14:49:18,416 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 529 transitions. Word has length 279 [2024-10-11 14:49:18,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:49:18,417 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 529 transitions. [2024-10-11 14:49:18,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 4 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2024-10-11 14:49:18,418 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 529 transitions. [2024-10-11 14:49:18,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2024-10-11 14:49:18,420 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:49:18,420 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:49:18,446 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-11 14:49:18,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-11 14:49:18,621 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:49:18,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:49:18,622 INFO L85 PathProgramCache]: Analyzing trace with hash -2086375552, now seen corresponding path program 1 times [2024-10-11 14:49:18,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:49:18,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254359307] [2024-10-11 14:49:18,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:49:18,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:49:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:19,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:19,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:49:19,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:19,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:49:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:19,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:49:19,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:19,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:49:19,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:19,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:49:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:19,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:49:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:19,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:49:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:19,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:49:19,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:19,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:49:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:19,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:49:19,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:19,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:49:19,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:19,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:49:19,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:19,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:49:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:19,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:49:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:19,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:49:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:19,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:19,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:19,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:19,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:19,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:19,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:49:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:19,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:19,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:19,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 14:49:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:19,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 14:49:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:19,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 14:49:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:19,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 14:49:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:19,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:19,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:19,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:19,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:19,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:19,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:19,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:49:19,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:19,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-11 14:49:19,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:19,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-11 14:49:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:19,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 14:49:19,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:19,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:19,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:19,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:19,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:19,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:49:19,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:19,768 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 28 proven. 25 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2024-10-11 14:49:19,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:49:19,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254359307] [2024-10-11 14:49:19,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254359307] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:49:19,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [147009647] [2024-10-11 14:49:19,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:49:19,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:49:19,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:49:19,770 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:49:19,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-11 14:49:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:20,602 INFO L255 TraceCheckSpWp]: Trace formula consists of 3134 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 14:49:20,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:49:20,632 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-10-11 14:49:20,632 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:49:20,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [147009647] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:49:20,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:49:20,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [13] total 15 [2024-10-11 14:49:20,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731898402] [2024-10-11 14:49:20,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:49:20,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 14:49:20,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:49:20,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 14:49:20,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2024-10-11 14:49:20,634 INFO L87 Difference]: Start difference. First operand 372 states and 529 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-10-11 14:49:20,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:49:20,860 INFO L93 Difference]: Finished difference Result 716 states and 1032 transitions. [2024-10-11 14:49:20,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 14:49:20,860 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 249 [2024-10-11 14:49:20,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:49:20,865 INFO L225 Difference]: With dead ends: 716 [2024-10-11 14:49:20,865 INFO L226 Difference]: Without dead ends: 387 [2024-10-11 14:49:20,867 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2024-10-11 14:49:20,868 INFO L432 NwaCegarLoop]: 381 mSDtfsCounter, 0 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1130 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 14:49:20,868 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1130 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 14:49:20,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2024-10-11 14:49:20,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 382. [2024-10-11 14:49:20,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 248 states have (on average 1.221774193548387) internal successors, (303), 249 states have internal predecessors, (303), 105 states have call successors, (105), 24 states have call predecessors, (105), 27 states have return successors, (131), 108 states have call predecessors, (131), 103 states have call successors, (131) [2024-10-11 14:49:20,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 539 transitions. [2024-10-11 14:49:20,894 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 539 transitions. Word has length 249 [2024-10-11 14:49:20,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:49:20,919 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 539 transitions. [2024-10-11 14:49:20,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-10-11 14:49:20,919 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 539 transitions. [2024-10-11 14:49:20,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2024-10-11 14:49:20,921 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:49:20,921 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-10-11 14:49:20,947 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-11 14:49:21,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,14 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:49:21,129 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:49:21,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:49:21,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1774086146, now seen corresponding path program 1 times [2024-10-11 14:49:21,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:49:21,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060471438] [2024-10-11 14:49:21,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:49:21,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:49:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:21,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:21,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:21,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:49:21,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:21,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:49:21,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:21,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:49:21,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:21,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:49:21,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:21,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:49:21,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:21,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:49:21,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:21,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:49:21,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:21,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:49:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:21,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:49:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:21,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:49:21,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:21,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:49:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:21,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:49:21,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:21,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:49:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:21,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:49:21,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:21,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:49:21,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:21,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:21,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:21,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:21,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:21,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:21,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:49:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:21,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:21,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:21,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:21,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 14:49:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:21,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 14:49:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:21,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 14:49:21,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:21,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 14:49:21,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:21,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:21,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:21,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:21,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:21,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:49:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:21,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-11 14:49:21,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:21,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-11 14:49:21,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:21,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 14:49:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:21,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:21,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:21,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:21,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:21,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:21,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:21,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:49:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:21,991 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 28 proven. 25 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2024-10-11 14:49:21,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:49:21,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060471438] [2024-10-11 14:49:21,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060471438] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:49:21,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379457776] [2024-10-11 14:49:21,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:49:21,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:49:21,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:49:21,994 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:49:21,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-11 14:49:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:22,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 3129 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-11 14:49:22,793 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:49:22,953 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-10-11 14:49:22,953 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:49:22,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1379457776] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:49:22,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:49:22,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [13] total 21 [2024-10-11 14:49:22,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313302207] [2024-10-11 14:49:22,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:49:22,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 14:49:22,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:49:22,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 14:49:22,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2024-10-11 14:49:22,956 INFO L87 Difference]: Start difference. First operand 382 states and 539 transitions. Second operand has 10 states, 9 states have (on average 13.222222222222221) internal successors, (119), 9 states have internal predecessors, (119), 6 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (31), 5 states have call predecessors, (31), 6 states have call successors, (31) [2024-10-11 14:49:23,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:49:23,571 INFO L93 Difference]: Finished difference Result 692 states and 981 transitions. [2024-10-11 14:49:23,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 14:49:23,572 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.222222222222221) internal successors, (119), 9 states have internal predecessors, (119), 6 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (31), 5 states have call predecessors, (31), 6 states have call successors, (31) Word has length 249 [2024-10-11 14:49:23,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:49:23,575 INFO L225 Difference]: With dead ends: 692 [2024-10-11 14:49:23,575 INFO L226 Difference]: Without dead ends: 383 [2024-10-11 14:49:23,577 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=489, Unknown=0, NotChecked=0, Total=552 [2024-10-11 14:49:23,578 INFO L432 NwaCegarLoop]: 337 mSDtfsCounter, 101 mSDsluCounter, 2549 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 2886 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 14:49:23,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 2886 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 14:49:23,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2024-10-11 14:49:23,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 364. [2024-10-11 14:49:23,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 232 states have (on average 1.2241379310344827) internal successors, (284), 233 states have internal predecessors, (284), 104 states have call successors, (104), 24 states have call predecessors, (104), 26 states have return successors, (126), 106 states have call predecessors, (126), 102 states have call successors, (126) [2024-10-11 14:49:23,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 514 transitions. [2024-10-11 14:49:23,597 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 514 transitions. Word has length 249 [2024-10-11 14:49:23,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:49:23,598 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 514 transitions. [2024-10-11 14:49:23,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.222222222222221) internal successors, (119), 9 states have internal predecessors, (119), 6 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (31), 5 states have call predecessors, (31), 6 states have call successors, (31) [2024-10-11 14:49:23,598 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 514 transitions. [2024-10-11 14:49:23,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-10-11 14:49:23,599 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:49:23,600 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-10-11 14:49:23,627 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-11 14:49:23,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-11 14:49:23,801 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:49:23,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:49:23,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1045349546, now seen corresponding path program 1 times [2024-10-11 14:49:23,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:49:23,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025818557] [2024-10-11 14:49:23,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:49:23,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:49:25,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:25,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:25,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:49:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:25,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:49:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:25,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:49:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:25,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:49:25,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:25,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:49:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:26,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:49:26,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:26,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:49:26,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:26,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:49:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:26,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:49:26,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:26,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:49:26,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:26,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:49:26,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:26,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:49:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:26,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:49:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:26,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:49:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:26,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:49:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:26,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:26,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:26,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:26,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:26,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:26,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:49:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:26,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:26,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:26,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:26,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 14:49:26,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:26,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 14:49:26,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:26,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 14:49:26,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:26,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 14:49:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:26,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:26,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:26,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:26,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:26,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:26,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:26,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:49:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:26,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:26,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:26,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:26,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 14:49:26,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:26,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 14:49:26,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:26,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-11 14:49:26,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:26,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:26,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:26,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:26,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:26,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:49:26,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:26,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:26,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:26,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:26,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:26,567 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 6 proven. 56 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2024-10-11 14:49:26,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:49:26,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025818557] [2024-10-11 14:49:26,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025818557] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:49:26,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [797750845] [2024-10-11 14:49:26,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:49:26,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:49:26,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:49:26,568 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:49:26,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-11 14:49:27,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:27,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 3419 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-11 14:49:27,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:49:27,641 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-10-11 14:49:27,641 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:49:27,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [797750845] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:49:27,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:49:27,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [8] total 16 [2024-10-11 14:49:27,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886479288] [2024-10-11 14:49:27,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:49:27,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 14:49:27,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:49:27,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 14:49:27,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2024-10-11 14:49:27,644 INFO L87 Difference]: Start difference. First operand 364 states and 514 transitions. Second operand has 10 states, 10 states have (on average 10.0) internal successors, (100), 10 states have internal predecessors, (100), 5 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 5 states have call predecessors, (30), 5 states have call successors, (30) [2024-10-11 14:49:29,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:49:29,091 INFO L93 Difference]: Finished difference Result 723 states and 1039 transitions. [2024-10-11 14:49:29,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 14:49:29,092 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.0) internal successors, (100), 10 states have internal predecessors, (100), 5 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 5 states have call predecessors, (30), 5 states have call successors, (30) Word has length 279 [2024-10-11 14:49:29,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:49:29,096 INFO L225 Difference]: With dead ends: 723 [2024-10-11 14:49:29,096 INFO L226 Difference]: Without dead ends: 402 [2024-10-11 14:49:29,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 355 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2024-10-11 14:49:29,098 INFO L432 NwaCegarLoop]: 378 mSDtfsCounter, 50 mSDsluCounter, 2727 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 3105 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-11 14:49:29,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 3105 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 738 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-11 14:49:29,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2024-10-11 14:49:29,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 365. [2024-10-11 14:49:29,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 232 states have (on average 1.228448275862069) internal successors, (285), 232 states have internal predecessors, (285), 104 states have call successors, (104), 24 states have call predecessors, (104), 27 states have return successors, (137), 108 states have call predecessors, (137), 102 states have call successors, (137) [2024-10-11 14:49:29,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 526 transitions. [2024-10-11 14:49:29,118 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 526 transitions. Word has length 279 [2024-10-11 14:49:29,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:49:29,119 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 526 transitions. [2024-10-11 14:49:29,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.0) internal successors, (100), 10 states have internal predecessors, (100), 5 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 5 states have call predecessors, (30), 5 states have call successors, (30) [2024-10-11 14:49:29,119 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 526 transitions. [2024-10-11 14:49:29,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-10-11 14:49:29,121 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:49:29,121 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-10-11 14:49:29,148 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-10-11 14:49:29,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-11 14:49:29,322 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:49:29,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:49:29,322 INFO L85 PathProgramCache]: Analyzing trace with hash -438347952, now seen corresponding path program 1 times [2024-10-11 14:49:29,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:49:29,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191156898] [2024-10-11 14:49:29,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:49:29,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:49:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:30,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:30,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:49:30,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:30,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:49:30,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:30,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:49:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:30,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:49:30,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:30,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:49:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:30,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:49:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:30,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:49:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:30,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:49:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:30,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:49:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:30,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:49:30,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:30,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:49:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:30,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:49:30,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:30,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:49:30,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:30,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:49:30,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:30,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:49:31,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:31,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:31,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:31,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:31,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:31,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:49:31,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:31,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:31,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:31,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:31,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 14:49:31,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:31,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 14:49:31,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:31,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 14:49:31,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:31,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 14:49:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:31,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:31,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:31,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:31,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:31,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:31,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:31,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:49:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:31,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:31,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:31,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 14:49:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:31,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 14:49:31,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:31,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-11 14:49:31,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:31,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:31,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:31,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:31,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:31,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:31,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 14:49:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:31,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:49:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:31,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:49:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:31,454 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2024-10-11 14:49:31,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:49:31,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191156898] [2024-10-11 14:49:31,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191156898] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:49:31,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1429090091] [2024-10-11 14:49:31,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:49:31,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:49:31,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:49:31,457 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:49:31,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-11 14:49:32,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:49:32,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 3428 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-10-11 14:49:32,514 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:49:32,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-10-11 14:49:32,533 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1